A wireless communication electronic device includes an antenna, a radio frequency unit, a power supply unit and a processor. The processor is configured to: when the wireless communication electronic device operates in a first operating frequency band, control the power supply unit to drive the radio frequency unit with a first driving voltage; and when the wireless communication electronic device operates in a second operating frequency band, control the power supply unit to drive the radio frequency unit with a second driving voltage. The second driving voltage is different from the first driving voltage. As a result, the wireless communication electronic device can drive the radio frequency unit with a suitable driving voltage in different working frequency bands, so that the expected communication quality can be obtained in each working frequency band and unnecessary power consumption can be avoided.
H04B 1/00 - Détails des systèmes de transmission, non couverts par l'un des groupes Détails des systèmes de transmission non caractérisés par le milieu utilisé pour la transmission
H04W 64/00 - Localisation d'utilisateurs ou de terminaux pour la gestion du réseau, p. ex. gestion de la mobilité
H04W 88/06 - Dispositifs terminaux adapté au fonctionnement dans des réseaux multiples, p. ex. terminaux multi-mode
A data management method and device are provided. The method includes: in response to a first data type of first data to be written into a memory medium, obtaining a space size of a first write space of the first data; in response to determining that the space size is not less than or equal to a total free space of the memory medium, determining whether there is an excess data type among the data types; in response to determining that there is the excess data type, deleting at least part of second data belonging to the excess data type, updating the total free space, and determining whether the space size is less than or equal to the updated total free space; and in response to determining that the space size is less than or equal to the updated total free space, writing the first data into the memory medium.
An antenna module and a related network communication device are provided in this disclosure. A network communication device includes a circuit board, a network communication chip, an antenna, a signal line, and an antenna bracket. The network communication chip is disposed on the circuit board. The antenna bracket has a first antenna slot, a circuit board slot, a circuit board hook and an opposite supporting part. The first antenna slot is configured to carry the antenna. The circuit board hook and the opposite supporting part are respectively located on opposing first surface and second surface of the circuit board. The circuit board slot is located between the circuit board hook and the opposite supporting part to accommodate the circuit board. The circuit board hook is buckled to a first buckle hole of the circuit board.
Provided in the embodiments of the disclosure are a method for updating an embedded subscriber identity module (eSIM) configuration profile and a related customer premise equipment. The method includes: transmitting a Bluetooth identification signal corresponding to the customer premise equipment; in response to a Bluetooth pairing operation initiated by a mobile device, establishing a Bluetooth connection with the mobile device; visiting a subscription manager data preparation server by using a transmission control protocol/Internet protocol (TCP/IP) network provided by the mobile device through the Bluetooth connection, and obtaining a configuration profile corresponding to an eSIM chip from the subscription manager data preparation server; and updating the eSIM chip based on the configuration profile of the eSIM chip. This provides a more convenient management operation method for management personnel.
Disclosed is a bandwidth selection method and a base station for a citizens broadband radio service. The bandwidth selection method includes the following steps. A spectrum resource configuration is received from a spectrum access system. The spectrum resource configuration indicates at least one available frequency band, and the at least one available frequency band includes a priority access licensed frequency band or a general authorized access frequency band. A selected bandwidth in a spectrum of the citizens broadband radio service is determined as a working bandwidth of the base station. The selected bandwidth includes a part or all of the available frequency band. A candidate frequency band is selected from the available frequency band in the selected bandwidth. The candidate frequency band is configured to activate a bandwidth part.
The invention provides a heat dissipation module and an electronic device. The heat dissipation module includes a thermally conductive plastic member and a metal member. The thermally conductive plastic member includes a base and a plurality of heat dissipation fins. The base includes an upper surface and a lower surface opposite to each other, and the heat dissipation fins are arranged at intervals at the upper surface. The metal member is disposed at the lower surface of the base. The thermally conductive plastic member and the metal member are combined via insert molding. One of the thermally conductive plastic member and the metal member includes a plurality of heat dissipation bosses separated from each other, and the heat dissipation bosses are located at the lower surface of the base of the thermally conductive plastic member or at a surface of the metal member relatively far away from the base.
A signal conversion circuit including a voltage adjustment circuit and a control circuit is provided. An input terminal and an output terminal of the voltage adjustment circuit are respectively coupled to a power voltage and an output terminal of the signal conversion circuit. The control circuit provides a control signal to a control terminal of the voltage adjustment circuit, controls the control signal to change between a first control voltage level and a second control voltage level according to a signal level of an input data signal, or decides whether to provide a default voltage to the output terminal of the voltage adjustment circuit according to the input data signal.
H04B 3/54 - Systèmes de transmission par lignes de réseau de distribution d'énergie
G05F 1/56 - Régulation de la tension ou de l'intensité là où la variable effectivement régulée par le dispositif de réglage final est du type continu utilisant des dispositifs à semi-conducteurs en série avec la charge comme dispositifs de réglage final
The disclosure provides a universal platform including a bottom base, an upper cover, a fixed base, a rotating base, at least one locking member, and at least one elastic member. The upper cover is disposed on the bottom base and has a through hole. The fixed base is disposed between the upper cover and has a concave. The concave is aligned to the through hole to form a receiving space. The rotating base is disposed in the receiving space and partially protrudes outside of the through hole. The at least one locking member is connected to the upper cover through the fixed base. The at least one elastic member is disposed between the fixed base and the at least one locking member.
F16M 11/14 - Moyens pour la fixation des appareilsMoyens permettant le réglage des appareils par rapport au banc permettant la rotation dans plus d'une direction avec articulation à rotule
F16M 11/04 - Moyens pour la fixation des appareilsMoyens permettant le réglage des appareils par rapport au banc
F16M 11/22 - Infrastructure avec ou sans roues à hauteur sensiblement constante, p. ex. avec colonne ou pieds de longueur constante
9.
Network communication device having electromagnetic shielding function
A network communication device has a circuit board, a network communication chip, an antenna, and a metal cover. The circuit board has a first surface and a second surface opposite to each other. An interior of the circuit board has a ground layer. An edge of the first surface has a ground ring. The ground ring surrounds the first surface and is electrically connected to the ground layer. The network communication chip is disposed on the first surface. The antenna is electrically connected to the circuit board. The metal cover has an annular support rib. The circuit board is disposed on the annular support rib with the first surface facing the metal cover. The ground ring is in physical contact with and electrically connected to the annular support rib.
A network communication device having an antenna frame includes a circuit board, a network communication chip, an antenna, a signal cable and an antenna frame. The network communication chip is disposed on the circuit board. The signal cable is electrically connected to the antenna and the circuit board. The antenna frame is assembled on the circuit board. The antenna frame has a slot. The antenna is engaged in the slot. The antenna is directly fixed on the circuit board through the antenna frame, and the assembling of the antenna is easy to complete.
A streaming media processing method, a transmitting device and a receiving device are provided. The streaming media processing method includes the following steps: encoding original media data into encoded streaming media; adding metadata to a media frame in the encoded streaming media to generate a padded streaming media, and the metadata serves as a payload data of the media frame; and encapsulating the padded streaming media into a streaming media packet. In this way, it is possible to satisfy the requirement of compatibility without affecting codec and communication protocols.
H04L 65/70 - Mise en paquets adaptés au réseau des données multimédias
H04L 65/65 - Protocoles de diffusion en flux de paquets multimédias, p. ex. protocole de transport en temps réel [RTP] ou protocole de commande en temps réel [RTCP]
H04L 65/75 - Gestion des paquets du réseau multimédia
H04L 69/04 - Protocoles de compression de données, p. ex. ROHC
A communication apparatus disposed outdoors, comprises the following elements. A first communication module performing a Low-Power Wide-Area-Network (LPWAN) communication with at least one end device in a first frequency band. A second communication module coupled to the first communication module, comprising a signal processor, a chime module; and a wireless communication circuit. The wireless communication circuit performs at least one wireless communication in a second frequency band. The first communication module is communicatively coupled to a network server through the second communication module, the first communication module transmits and/or receives a LPWAN package in a first timeslot, the wireless communication circuit of the second communication module transmits and/or receives a wireless package in a second timeslot, and the signal processor configures the wireless communication circuit to have a higher priority than the first communication module when transmitting and/or receiving the wireless package.
A video doorbell and an automatic setting method thereof are provided. The video doorbell includes a bridge rectifying unit, a switch unit, and a processing unit. The bridge rectifying unit is configured to output a DC voltage when receiving an AC power from a transformer. During a chime type detection mode, the switch unit is configured to switch a path of the AC power for generating a short-circuit current to trigger a chime. After the short-circuit current is kept for a detection time, the short-circuit current is terminated. During the chime type detection mode, when the short-circuit current is terminated, the processing unit detects a rising time of the DC voltage rising from a first level to a second level, and determine whether the chime is an analog chime or a digital chime according to the rising time.
G08B 3/10 - Systèmes de signalisation audibleSystèmes d'appel sonore de personnes utilisant une transmission électriqueSystèmes de signalisation audibleSystèmes d'appel sonore de personnes utilisant une transmission électromagnétique
14.
Internet of things device and battery power supply circuit thereof
The disclosure provides an Internet of things device and a battery power supply circuit thereof. A voltage of a battery is compared with a predetermined over-discharge voltage to generate a comparison signal. A battery protection circuit serves as a power supply path from the battery to a load and determines whether to cut off the power supply path according to the comparison signal. The battery protection circuit cuts off the power supply path when the voltage of the battery decreases from a value greater than the predetermined over-discharge voltage to a value less than the predetermined over-discharge voltage, but does not turn on the power supply path when the voltage of the battery increases from a value less than the predetermined over-discharge voltage to a value greater than the predetermined over-discharge voltage.
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
H02H 1/00 - Détails de circuits de protection de sécurité
H02H 3/06 - Circuits de protection de sécurité pour déconnexion automatique due directement à un changement indésirable des conditions électriques normales de travail avec ou sans reconnexion Détails avec reconnexion automatique
H02H 3/24 - Circuits de protection de sécurité pour déconnexion automatique due directement à un changement indésirable des conditions électriques normales de travail avec ou sans reconnexion sensibles à une baisse ou un manque de tension
H02H 7/18 - Circuits de protection de sécurité spécialement adaptés aux machines ou aux appareils électriques de types particuliers ou pour la protection sectionnelle de systèmes de câble ou de ligne, et effectuant une commutation automatique dans le cas d'un changement indésirable des conditions normales de travail pour pilesCircuits de protection de sécurité spécialement adaptés aux machines ou aux appareils électriques de types particuliers ou pour la protection sectionnelle de systèmes de câble ou de ligne, et effectuant une commutation automatique dans le cas d'un changement indésirable des conditions normales de travail pour accumulateurs
15.
Positioning tag operation method and positioning system operation method
The present invention discloses a positioning tag operation method includes the steps outlined below. The positioning tag is set in an initializing state to select an available positioning time interval within each positioning periods as a selected positioning time interval and broadcast a connection request signal therein. A time synchronization signal is received from a base station of the positioning system. The time synchronization signal includes information of an assigned positioning time interval corresponding to the positioning tag within each of the positioning periods is determined by the positioning tag, so as to set the positioning tag in a positioning state accordingly and stop receiving the time synchronization signal. The positioning signal is broadcasted in the assigned positioning time interval within each of the positioning periods in the positioning state, and the positioning signal is stopped to be broadcasted in the time other than the assigned positioning time interval within each of the positioning periods.
G01S 5/06 - Position de source déterminée par coordination d'un ensemble de lignes de position définies par des mesures de différence de parcours
G01S 5/02 - Localisation par coordination de plusieurs déterminations de direction ou de ligne de positionLocalisation par coordination de plusieurs déterminations de distance utilisant les ondes radioélectriques
09 - Appareils et instruments scientifiques et électriques
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
LAN (local area network) access points for connecting network computer users; Computer hardware, namely, wireless access point (WAP) devices; Computer network adapters, switches, routers and hubs; Computer hardware, namely, wireless network extenders; Wireless routers; Liquid level sensors; Proximity sensors; Temperature sensors; Encoded micro particulates, tags and taggants of plastic, metal or silicate for use in the field of passive labeling, tracing or tracking of persons, animals, vehicles or goods of any kind; Safety sensors, namely, carbon monoxide detectors, smoke detectors, and combination carbon monoxide and smoke detectors; Security and fire alarms; Electronic video surveillance products, namely, electronic components of security systems; Security alarm controllers; Computer hardware for IP video surveillance; Security control panels and motion detectors; Downloadable digital video recording software for IP (Internet protocol) video surveillance; Camera hardware systems for IP (Internet protocol) video surveillance; GPS tracking devices; Motion sensors; Home and office automation systems comprised of computer hardware, wireless and wired controllers, and downloadable software for automating appliances, lighting, HVAC, security, surveillance, electrical power, asset-tracking; Home automation systems comprised of computer hardware, wireless and wired controllers, and downloadable software for automating appliances, lighting, HVAC, security, surveillance, electrical power, asset-tracking; Vehicle locating, tracking and security system comprised of an antenna and radio transmitter to be placed in a vehicle; Telecommunication base stations; Mobile hotspot devices; Downloadable facilities management software to control building environment, access and security systems; Telecommunications hardware and recorded software for monitoring and alerting remote sensor status via the Internet sold as a unit; Downloadable network video recording software for IP (Internet Protocol) video surveillance; Downloadable computer programs for network management; Downloadable mobile applications using artificial intelligence for home automation Engineering and system analysis in the field of home security systems; Design and development of automated home controller systems, namely, temperature, humidity, and electrical controllers; Design and development of home security systems; Platform as a service (PAAS) featuring computer software platforms for automating appliances, lighting, HVAC, security, surveillance, electrical power, asset-tracking; Providing a website featuring technology enabling users to remotely view, monitor, program, operate and control large and small appliances, electrical systems and security systems in homes, offices and vehicles; Providing temporary use of non-downloadable cloud-based software for connecting, operating, and managing networked appliances, lighting, HVAC, security, surveillance, electrical power, asset-tracking in the internet of things (IoT); Providing temporary use of non-downloadable computer software for tracking freight over computer networks, intranets and the internet
17.
Green bridge circuit for adjusting direct current power source and alternating current power source
A green bridge circuit for adjusting a DC power source and an AC power source is provided. The green bridge circuit includes a bridge circuit and a bias adjustment circuit. The bridge circuit includes four transistors connected to a first power terminal, a system load, and a second power terminal. The bias adjustment circuit has an input terminal coupled to an output terminal of the bridge circuit and an output terminal coupled to control terminals of the transistors. The bias adjustment circuit changes bias voltages of the control terminals of the transistors according to a rectified voltage outputted by the bridge circuit. In this way, loss is reduced, heat generation is prevented, and transmission loss is addressed.
H02M 7/219 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs dans une configuration en pont
H02M 1/00 - Détails d'appareils pour transformation
H03K 5/24 - Circuits présentant plusieurs entrées et une sortie pour comparer des impulsions ou des trains d'impulsions entre eux en ce qui concerne certaines caractéristiques du signal d'entrée, p. ex. la pente, l'intégrale la caractéristique étant l'amplitude
G05F 3/18 - Régulation de la tension ou du courant là où la tension ou le courant sont continus utilisant des dispositifs non commandés à caractéristiques non linéaires consistant en des dispositifs à semi-conducteurs en utilisant des diodes Zener
G01R 19/165 - Indication de ce qu'un courant ou une tension est, soit supérieur ou inférieur à une valeur prédéterminée, soit à l'intérieur ou à l'extérieur d'une plage de valeurs prédéterminée
18.
Reconfigurable data transmission system with terminal devices of different data transmission modes
A data transmission coordination system and a method thereof are provided. In the method, multiple terminal devices are grouped into a first sub-group and a second sub-group. The first and the second sub-groups respectively include at least one of the terminal devices and have different data transmission modes for uploading data. The power consumption of the data transmission mode of the first sub-group is higher than that of the second sub-group. In response to the first terminal device of the sub-group conforming to a replacement condition, a second terminal device of the second sub-group replaces the first terminal device, so that the first sub-group includes the second terminal device. The replaced first terminal device is associated to the second sub-group or not able to transmit depending on an operation situation. Accordingly, a whole lifetime of the system is increased.
A base station and an adjustment method for data transmission are provided. User equipment is selectively connected to two base stations at the same time. In the method, a remaining load amount is determined. A load demand amount required for a to-be-transmitted data bearer in the data bearer is determined. It is determined that a portion of the data packets corresponding to the to-be-transmitted data bearer is split, according to a comparison result between the remaining load amount and the load demand amount, to the second base station for transmission. A transmission ratio of the data packets split to the base station to those split to the second base station is determined according to a ratio of packet loss of the base station to the second base station. Accordingly, electric power of the user equipment can be saved, data loss can be reduced, and data can be converged effectively.
The invention provides a base station and an automatic retransmission scheduling method thereof. The automatic retransmission scheduling method includes the following steps: when at least one first layer of protocol data unit of a first protocol layer constitutes a second layer PDU of a second protocol layer, assigning a retransmission serial number of the second layer PDU according to a serial number of the first layer PDU; sending the second layer PDU to a user equipment; receiving a status report of a first retransmission mechanism of the first protocol layer, and an acknowledgement serial number indicates that receiving of multiple PDUs of the first protocol layer by the UE is acknowledged; comparing the retransmission serial number of the second layer PDU with the ACK serial number, and determining whether to disable retransmission of the second layer PDU based on a second retransmission mechanism.
A heat dissipation housing includes an outer casing and the heat conduction block. The heat dissipation housing includes a thickness portion and at least one first tenon extending towards the inner direction of the outer casing from the inner surface of the thickness portion. Heat conduction block includes a base and at least one second tenon extending towards the outer direction of the outer casing from the base. The first tenon and the second tenon are combined, such that the first tenon, the second tenon, and the base together form a column extending towards the inner direction of the outer casing from the inner surface of the thickness portion. The outer casing and the heat conduction block both have a thermal conductivity greater than 0.5 W/m-k.
A master base station and a resource allocation indicating method are provided. The master base station and a distributed base station are based on a layer 1-layer 2 split technology. A bandwidth part (BWP) configuration is enabled. Different BWP configurations have different configurations in a frequency domain. The BWP configuration corresponds to continuous and part of the common resource units, and corresponds to a common configuration to generate a corresponding relation, which is related to a corresponding situation between identifications of the local resource units and the common resource units. The identifications of the local resource units are used in the BWP configuration to identify the local resource units, and the identifications of the common resource units are used in the common configuration to identify the common resource units. The corresponding relation is transmitted. Accordingly, the BWP can be applied to a transmission interface of layer 1-layer 2 split technology.
An integrated communication system and a service provisioning method thereof are provided. The integrated communication system includes a core network entity, a service provisioning system and an intermediary apparatus. The core network entity is resided in the mobile network. The service provisioning system is conformed to a wired network other than the mobile network. The intermediary apparatus is connected between the core network entity and the service provisioning system. The intermediary apparatus receives a configuration data with a first format conformed to the wired network from the service provisioning system, and transforms the configuration data into a configuration command with a second format conformed to the mobile network. The core network entity operates according to the configuration command. Accordingly, an operator of the wired network can manage network entities and network devices in the mobile network without knowledge of operation support system (OSS) platform of the mobile network.
A digital pre-distortion circuit and a digital pre-distortion method are provided. In the method, pre-distortion, digital-to-analog conversion and an amplifying process are performed on an input signal in sequence, to generate an output signal. A first bandwidth of the input signal after the pre-distortion is greater than a second bandwidth of the input signal after the digital-to-analog conversion. Signals outside the second bandwidth are filtered out from the output signal, to generate a second output signal. A third output signal, which is a signal after a pre-distorted signal is amplified, is estimated according to the pre-distorted signal and the second output signal. The pre-distorted signal is a signal after the pre-distortion is performed on the input signal. A third bandwidth of the third output signal is greater than the second bandwidth. Parameters of the pre-distortion can be determined according to the third output signal and the pre-distorted signal.
A network system comprising: a control node; a first head node, comprising a first head forward port, a first head backward port and a first head backup port, wherein the first head forward port is connected to the control node; a first ordinary node, comprising a first forward port, a first backward port and a first backup port, wherein the first forward port is connected to the first head backward port; a second ordinary node, comprising a second forward port, a second backward port and a second backup port, wherein the second forward port is connected to the first backward port; and a third ordinary node, comprising a third forward port, a third backward port and a third backup port, wherein the third forward port is connected to the second backward port, wherein the third backup port is connected to the first head backup port.
The disclosure provides a communication device including a ground plane, an antenna and an extended grounding structure. The ground plane has a first side and a second side opposite to each other. The antenna is disposed at the first side and has a first feeding end. The extended grounding structure is disposed at the second side and includes a connection portion and a symmetrical structure. The symmetrical structure is electrically connected to the ground plane via the connection portion, wherein the symmetrical structure is symmetrical along a symmetry axis, and an extension line of the symmetry axis passes through the first side and the second side. The disclosure can effectively prevent antenna efficiency from being degraded due to an insufficient size of the ground plane, so as to significantly enhance communication quality.
A smoke detector comprising: a first light source, configured to generate first light beam; a second light source, configured to generate second light beam; a light receiver, configured to respectively generate a first and a second original light detecting signal in response to the first light beam and the second light beam, wherein an energy conversion efficiency of the light receiver at the first wavelength is different from an energy conversion efficiency of the light receiver at the second wavelength; a signal adjusting circuit, configured to amplify the second original light detecting signal to generate a second light detecting signal; and a driving and determining circuit, configured to determine signal intensities of the first original light detecting signal and the second light detecting signal.
G08B 17/00 - Alarmes d'incendieAlarmes réagissant à une explosion
G08B 17/107 - Déclenchement par la présence de fumée ou de gaz utilisant un dispositif émetteur et récepteur de lumière pour détecter une diffusion de lumière due à de la fumée
G01N 21/3504 - CouleurPropriétés spectrales, c.-à-d. comparaison de l'effet du matériau sur la lumière pour plusieurs longueurs d'ondes ou plusieurs bandes de longueurs d'ondes différentes en recherchant l'effet relatif du matériau pour les longueurs d'ondes caractéristiques d'éléments ou de molécules spécifiques, p. ex. spectrométrie d'absorption atomique en utilisant la lumière infrarouge pour l'analyse des gaz, p. ex. analyse de mélanges de gaz
G08B 17/117 - Déclenchement par la présence de fumée ou de gaz en utilisant un dispositif de détection pour des gaz spécifiques, p. ex. des produits de combustion, produits par l'incendie
G01N 33/00 - Recherche ou analyse des matériaux par des méthodes spécifiques non couvertes par les groupes
28.
Multi-cell coordination system and channel calibration method thereof
A multi-cell coordination system and a channel calibration method thereof are provided. A reference apparatus receives a beam-precoding downlink reference signal via a directional beam from a base station. The base station receives a beam-precoding uplink reference signal via the directional beam from the reference apparatus. The server receives uplink and downlink channel information, where the uplink channel information is generated based on the uplink reference signal, and the downlink channel information is generated based on the downlink reference signal. The server obtains a channel calibration coefficient according to the uplink and downlink channel information. The channel calibration coefficient is used for estimating a downlink channel. Accordingly, the problem of conventional coordination system can be solved, and the embodiment can be implemented in multi-beam base station.
A base station and a handover control method thereof are provided. The base station supports dual connectivity (DC) technology. The method includes the following steps. A handover request is transmitted, and a handover request response corresponding to the handover request is received. Whether the handover request response includes DC information is determined. In response to the handover request response not including the DC information, the DC information related to releasing a DC configuration is generated, and a handover command including the DC information is transmitted. The handover command corresponds to the handover request response. Accordingly, user equipment can be informed to release the DC configuration, so as to reduce power. In addition, a proper resource configuration would be provided.
An electronic device that can detect and report tampering, comprising: a case, comprising an installation surface, wherein the electronic device is for being installed to an installation position via the installation surface; a battery, located inside the case, configured to provide battery power; a temporary power storage circuit, located in the case; a power off switch, located on the case and coupled between the battery and the temporary power storage circuit, configured to operate in a conductive state while the electronic device is installed at the installation position, and configured to automatically operate in a power off state after the electronic device being removed from the installation position; and a wireless communication circuit, located in the case and coupled to the power off switch and the temporary power storage circuit.
H02J 9/06 - Circuits pour alimentation de puissance de secours ou de réserve, p. ex. pour éclairage de secours dans lesquels le système de distribution est déconnecté de la source normale et connecté à une source de réserve avec commutation automatique
H05K 5/02 - Enveloppes, coffrets ou tiroirs pour appareils électriques Détails
A handover parameter setting method, which comprises: (a) a BS measuring a neighboring BS signal intensity by the BS itself; (b) the BS calculating a specific region signal intensity according to the neighboring BS signal intensity, wherein the specific region signal intensity is an expected signal intensity of the BS or the neighboring BS in a specific region; and (c) the BS setting a handover parameter according to the specific region signal intensity. By this way, the BS can measure the signal intensities of the neighboring BSes by itself, and controls the UE to handover at an appropriate neighboring BS signal intensity.
H04W 36/30 - La resélection étant déclenchée par des paramètres spécifiques par des données de mesure ou d’estimation de la qualité des liaisons
H04W 36/32 - La resélection étant déclenchée par des paramètres spécifiques par des données de localisation ou de mobilité, p. ex. des données de vitesse
H04W 92/20 - Interfaces entre des dispositifs hiérarchiquement similaires entre des points d'accès
32.
Video doorbell system compatible with various accessories
A video doorbell system comprising a video doorbell device, which comprises a chime trigger device, a first battery, an AC power receiving interface, an AC to DC circuit, a charging circuit, a DC power receiving interface and an image capture circuit. The first battery provides an internal DC voltage. The AC power receiving interface receives an AC voltage. The AC to DC circuit converts the AC voltage to a second DC voltage. The charging circuit drains the second DC voltage to charge the first battery. The DC power receiving interface receives a first DC voltage. The image capture circuit selectively drains the internal DC voltage, or the first DC voltage to operate.
H04N 5/232 - Dispositifs pour la commande des caméras de télévision, p.ex. commande à distance
H04N 7/18 - Systèmes de télévision en circuit fermé [CCTV], c.-à-d. systèmes dans lesquels le signal vidéo n'est pas diffusé
G08B 3/10 - Systèmes de signalisation audibleSystèmes d'appel sonore de personnes utilisant une transmission électriqueSystèmes de signalisation audibleSystèmes d'appel sonore de personnes utilisant une transmission électromagnétique
G08B 13/196 - Déclenchement influencé par la chaleur, la lumière, ou les radiations de longueur d'onde plus courteDéclenchement par introduction de sources de chaleur, de lumière, ou de radiations de longueur d'onde plus courte utilisant des systèmes détecteurs de radiations passifs utilisant des systèmes de balayage et de comparaison d'image utilisant des caméras de télévision
An antenna system is configured to transceive a wireless signal. The antenna system includes a first dipole antenna and a second dipole antenna. The first dipole antenna includes a first radiator, a second radiator, and a first feeding point. The second dipole antenna includes a third radiator, a fourth radiator, and a second feeding point. The first radiator and the third radiator have a notch facing towards a first direction. The second radiator and the fourth radiator have a notch facing towards a second direction inverse to the first direction. The first feeding point, disposed between the first radiator and the second radiator, is located on one side of the first dipole antenna adjacent to the second dipole antenna. The second feeding point, disposed between the third radiator and the fourth radiator, is located on one side of the second dipole antenna adjacent to the first dipole antenna.
H01Q 5/48 - Combinaisons de plusieurs antennes de type dipôle
H01Q 21/30 - Combinaisons d'unités d'antennes séparées, fonctionnant sur des bandes d'ondes différentes et connectées à un système d'alimentation commun
H01Q 9/26 - Antennes résonnantes avec alimentation intermédiaire entre les extrémités de l'antenne, p. ex. dipôle alimenté par le centre avec élément replié ou éléments repliés, les parties repliées étant espacées l'une de l'autre d'une petite fraction de la longueur d'onde émise
34.
Transceiving apparatus and spectrum access controlling method thereof
A transceiving apparatus and a spectrum access controlling method thereof are provided. The transceiving apparatus may utilize an unlicensed spectrum. In the method, feedback information related to accessing the unlicensed spectrum is received. An energy detection threshold is modified according to the feedback information. Whether to access the unlicensed spectrum is determined according to the modified energy detection threshold. If a signal strength detected on the unlicensed spectrum is greater than the energy detection threshold, an access to the unlicensed spectrum is disabled. If the signal strength detected on the unlicensed spectrum is not greater than the energy detection threshold, the access to the unlicensed spectrum is performed. Accordingly, the chance that a data transmission collision occurs is decreased, and a utilization rate of the unlicensed spectrum is improved.
An IP Camera includes a heat-generating element, a lens holder, a lens assembly and a heat-conducting element. The lens assembly includes a lens, a front portion and a rear portion opposite to the front portion. The front portion surrounds the lens. The lens assembly is disposed on the lens holder with the rear portion. The heat-conducting element has a thermal conductivity greater than 5 W/mK. The heat-conducting element is in contact with the heat-generating element, and a portion of the heat-conducting element surrounds the front portion.
H05B 3/84 - Dispositions pour le chauffage spécialement adaptées à des surfaces transparentes ou réfléchissantes, p. ex. pour désembuer ou dégivrer des fenêtres, des miroirs ou des pare-brise de véhicules
G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,
36.
IP camera having cover for blocking entrance path to memory card receiving slot
An IP camera including a camera body and a cover is provided. The camera body includes an engaging face arranged on a side contoured surface surrounding the camera body and has a receiving slot being concave inwards the camera body from the engaging face for insertion of a memory card. The cover has an opening and an internal surface surrounding the opening. The internal surface of the cover is configured to surround and engage with the engaging face of the camera body. The cover is configured to block an entrance path to the receiving slot when the internal surface of the cover surrounds and engages with the engaging face of the camera body.
A doorbell device has a first power input terminal and a second power input terminal. The doorbell device is coupled to a chime device. The doorbell device includes a current sensing circuit, a switch circuit, and a processing circuit. The current sensing circuit is coupled to the first power input terminal, and generates a sensing voltage according to a current flowing through the current sensing circuit. The switch circuit is coupled between the current sensing circuit and the second power input terminal. The switch circuit changes the conducting state in response to a control signal. The processing circuit is configured to provide the control signal and determine the type of the chime device according to the sensing voltage.
G08B 3/10 - Systèmes de signalisation audibleSystèmes d'appel sonore de personnes utilisant une transmission électriqueSystèmes de signalisation audibleSystèmes d'appel sonore de personnes utilisant une transmission électromagnétique
G01K 7/02 - Mesure de la température basée sur l'utilisation d'éléments électriques ou magnétiques directement sensibles à la chaleur utilisant des éléments thermo-électriques, p. ex. des thermocouples
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
H02J 7/02 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries pour la charge des batteries par réseaux à courant alternatif au moyen de convertisseurs
H04M 1/02 - Caractéristiques de structure des appareils téléphoniques
H04M 11/02 - Systèmes de communication téléphonique spécialement adaptés pour être combinés avec d'autres systèmes électriques avec sonnerie ou systèmes annonciateurs
G01R 19/165 - Indication de ce qu'un courant ou une tension est, soit supérieur ou inférieur à une valeur prédéterminée, soit à l'intérieur ou à l'extérieur d'une plage de valeurs prédéterminée
38.
Internet protocol camera with efficient heat conduction path
The IP Camera of the present invention includes a housing, a heat conducting component, a base and a supporting structure. The heat conducting component is disposed inside the housing to directly contact a heat generating component. The base can be put on or fixed onto a supporting plane, so as to hold a weight of the IP Camera by the supporting plane. An end of the supporting structure extends through the housing to directly contact the heat generating component, and the other end of the supporting structure extends into the base. The heat conducting component and the supporting structure are used to be an uninterrupted heat conduction path between the heat generating component and the base, and a coefficient of heat conductivity of the uninterrupted heat conduction path is greater than 5W/m*K, so that the IP Camera has preferred heat dissipating efficiency.
A power sourcing equipment is provided. The power sourcing equipment is connected to an Ethernet cable. The power sourcing equipment includes a switching circuit, a power circuit, and a detection circuit. The power circuit is coupled to a power supply output terminal via the switching circuit. The detection circuit is configured to control a state of the switching circuit according to a first resistance between a first pin and a second pin of the Ethernet cable.
A dipole array antenna includes a plurality of antenna units including a first radiator and a second radiator. The first radiator includes first and second arms extending toward a first direction, the second radiator includes third and fourth arms extending toward an opposite of the first direction. A first current route of the first radiator includes a first direct trace extending from the first transmission line toward at least a quarter of the first arm and the second arm, and a first meandering trace extending from the first direct trace to at most three quarters of the first arm and the second arm. A second current route of the second radiator includes a second direct trace and a second meandering trace with similar layout as the first current route of the first radiator.
H01Q 9/28 - Éléments coniques, cylindriques, en cage, en ruban, en treillis ou éléments analogues ayant une surface de rayonnement étendueÉléments comportant deux surfaces coniques ayant le même axe et opposées par leurs sommets et alimentés par des lignes de transmission à deux conducteurs
41.
Method for peer to peer communication and related communication device
A method for P2P communication, for a first base station of a mobile communication system, where a base station interface is established between the first base station and a second base station of the mobile communication system is disclosed. The method comprises obtaining an IP address of a first user equipment and a TEID corresponding to a radio bearer established between the first user equipment and the first base station, and transmitting first routing information to the second base station via the base station interface, wherein the first routing information includes the IP address of the first user equipment, the TEID corresponding to the radio bearer between the first user equipment and the first base station, and an IP address of the first base station, wherein the base station interface does not pass through a core network of the mobile communication system.
The present invention discloses how a small cell accesses a local network via the LIPA technique and discloses a data transmission path and data transmission protection of a local service. A method for network traffic routing for a user equipment of a wireless communication system is disclosed. The method comprises connecting to a small cell of the wireless communication system, transmitting an user identity information to the small cell, receiving an authentication result of an authentication procedure from the small cell, and obtaining a local service via the small cell and a local network connecting to the small cell without going through a core network connecting to the small cell when the authentication result indicates that the user equipment passes the authentication procedure.
H04W 40/20 - Sélection d'itinéraire ou de voie de communication, p. ex. routage basé sur l'énergie disponible ou le chemin le plus court sur la base de la position ou de la localisation géographique
An automatic pairing method and a server are provided. The automatic pairing method is performed by the server for automatically pairing a first device with a second device. The automatic pairing method includes following steps. A user account associated with the first device is stored. An association request for associating the second device with the user account is received. A first security configuration parameter of the first device is transmitted to the second device. A second security configuration parameter of the second device is transmitted to the first device.
H04L 12/28 - Réseaux de données à commutation caractérisés par la configuration des liaisons, p. ex. réseaux locaux [LAN Local Area Networks] ou réseaux étendus [WAN Wide Area Networks]
H04W 12/04 - Gestion des clés, p. ex. par architecture d’amorçage générique [GBA]
H04L 29/06 - Commande de la communication; Traitement de la communication caractérisés par un protocole
H04W 8/20 - Transfert de données utilisateur ou abonné
H04W 4/80 - Services utilisant la communication de courte portée, p. ex. la communication en champ proche, l'identification par radiofréquence ou la communication à faible consommation d’énergie
H04W 76/16 - Établissement de connexions à liens multiples sans fil utilisant des technologies de réseaux centraux différentes, p. ex. une voie de commutation de paquets combinée à une voie de commutation de circuits
H04L 29/08 - Procédure de commande de la transmission, p.ex. procédure de commande du niveau de la liaison
A reflective type passive infrared motion detection system includes a housing, a sensor element and a reflecting element. The sensor element is disposed on the housing. The reflecting element is disposed on the housing and has a plurality of reflecting tiers. Each reflecting tier has a plurality of reflecting curved surfaces, the reflecting curved surfaces are arranged along a first axial direction in sequence, and the reflecting tiers are arranged along a second axial direction in sequence. The reflecting curved surfaces respectively have different azimuth angles. An aperture width of each reflecting curved surface along a direction perpendicular to the second axial direction is positively correlated with a reciprocal of a cosine value of the corresponding azimuth angle. An aperture length of the reflecting curved surfaces of each tier along a direction of the second axial direction is positively correlated with square of a distance of the corresponding infrared source.
An image capturing device includes a main body, at least one light source, a lens, and at least one first light shielding structure. The light source disposed at the main body is suitable for providing a light beam to an outside of the main body. The lens disposed at the main body is suitable for capturing a light entering the lens from the outside of the main body. The first light shielding structure is disposed at the main body. The light beam turns into an actual output light beam after being shielded by the first light shielding structure. The first light shielding structure shields the light beam in a vertical direction more than it shields the light beam in a horizontal direction, so an actual vertical light emitting angle of the actual output light beam is smaller than an actual horizontal light emitting angle of the actual output light beam.
An image processing method and an image processing system are provided. A plurality of image detections are performed on the regions, such that the detections on the image data can adequately meet the variety of needs.
A doorbell system and a doorbell control device are provided. The doorbell system includes a doorbell control device, a transformer, a doorbell interface device, and a chime device. The doorbell control device has a first pin, a second pin, a third pin, and a fourth pin. The doorbell control device is configured to control a conducting state between the first pin and the third pin according to a current or a voltage of the second pin. The first pin is coupled to the second pin. The transformer outputs an AC voltage to the first pin and the fourth pin of the doorbell control device. The doorbell interface device is coupled to the second pin and the fourth pin of the doorbell control device. The chime device is coupled to the third pin and the fourth pin of the doorbell control device.
G08B 3/00 - Systèmes de signalisation audibleSystèmes d'appel sonore de personnes
G08B 3/10 - Systèmes de signalisation audibleSystèmes d'appel sonore de personnes utilisant une transmission électriqueSystèmes de signalisation audibleSystèmes d'appel sonore de personnes utilisant une transmission électromagnétique
H01H 13/52 - Interrupteurs ayant un organe moteur à mouvement rectiligne ou des organes adaptés pour pousser ou tirer dans une seule direction, p. ex. interrupteur à bouton-poussoir ayant un seul élément d'actionnement le contact retournant immédiatement à son état initial après suppression de la force motrice, p. ex. bouton-poussoir de sonnerie
A doorbell system and a doorbell control device are provided. The doorbell system includes a doorbell control device, a transformer, and a doorbell interface device. The doorbell control device has a first pin, a second pin, and a third pin. The doorbell control device includes a speaker unit and a control unit. The control unit is configured to control whether or not the speaker unit produces sound according to a current or a voltage of the second pin. The first pin is coupled to the second pin. The transformer outputs an AC voltage to the first pin and the third pin of the doorbell control device. The doorbell interface device is coupled to the second pin and the third pin of the doorbell control device.
G08B 3/10 - Systèmes de signalisation audibleSystèmes d'appel sonore de personnes utilisant une transmission électriqueSystèmes de signalisation audibleSystèmes d'appel sonore de personnes utilisant une transmission électromagnétique
H02J 3/12 - Circuits pour réseaux principaux ou de distribution, à courant alternatif pour règler la tension dans des réseaux à courant alternatif par changement d'une caractéristique de la charge du réseau
49.
Method for transmitting uplink grant and base station
A method for transmitting an uplink grant message and a base station are provided. The method includes the following steps. Calculate a downlink speed currently used by a user equipment. Obtain a service type currently used by the user equipment. Determine whether to assign an uplink grant to the user equipment according to the downlink speed and the service type.
A dual-band antenna including a ground element, a short-circuit element, a feed element and a radiator is provided. The radiator includes a first connection segment, a first radiation element, a second radiation element, a third radiation element and a fourth radiation element. The dual-band antenna covers a first frequency band a second frequency band through the symmetrical first radiation element and second radiation element and the symmetrical third radiation element and fourth radiation element, so as to effectively decrease an antenna volume, and satisfy the requirement of a signal coverage range of a communication device.
A broadband antenna is provided. In the broadband antenna, the first end of a first radiation member is connected to the first end of a second radiation member to form a first commonly-connected end, and the second end of the first radiation member is connected to the second end of the second radiation member to form a second commonly-connected end, wherein the first commonly-connected end has a feed point, the second commonly-connected end is connected to a ground member, and the first radiation member is surrounded by the second radiation member and is spaced apart from the second radiation member by a gap. As a result, the broadband antenna can provide 2 frequency bands, each having ½ wavelength resonant mode in a frequency range less than 1 GHz, without the occurrence of resonant mode degradation.
A method for controlling transmission rate and a wireless local area network (WLAN) device are provided. The method for controlling transmission rate includes the following steps. Calculate a bandwidth requirement of the WLAN device according to a network application service provided by the WLAN device in an application layer. Determine a WLAN data transmission rate of the WLAN device in a physical layer according to the bandwidth requirement.
A smallcell and an operating method thereof are provided. The operating method of the small cell includes the following steps: a signal status is acquired from a set of user equipments (UEs) in the coverage area of the smallcell; at least one target UE is selected from the set of UEs according to the signal status.
H04W 36/30 - La resélection étant déclenchée par des paramètres spécifiques par des données de mesure ou d’estimation de la qualité des liaisons
H04W 48/02 - Restriction d'accès effectuée dans des conditions spécifiques
H04W 8/18 - Traitement de données utilisateur ou abonné, p. ex. services faisant l'objet d'un abonnement, préférences utilisateur ou profils utilisateurTransfert de données utilisateur ou abonné
H04W 52/04 - Commande de puissance d'émission [TPC Transmission power control]
H04W 84/04 - Réseaux à grande échelleRéseaux fortement hiérarchisés
55.
Method for measurement control and base station using the same
A method for measurement control and a base station using the same are provided. The method includes the following steps. Divide a coverage range of the base station into multiple coverage areas according to a signal coverage state. Each coverage area has at least one signal state threshold value. Receive a signal state report from a user equipment to determine a current coverage area where the user equipment is located.
A heating device is provided. A temperature sensing unit is configured to sense an ambient temperature and accordingly output a temperature sensing voltage. A driving unit is coupled to a heating transistor unit and the temperature sensing unit, and configured to drive the heating transistor unit for performing heating based on the temperature sensing voltage. An activating unit is coupled to the temperature sensing unit, configured to output an activating signal based on the temperature sensing voltage when a temperature of the printed circuit board has risen up to a preset temperature. The heating device as provided can assure that the activating signal can be normally outputted by the heating device under an ambient at an extremely low temperature.
A power sourcing equipment is provided. The power sourcing equipment is connected to an Ethernet cable. The power sourcing equipment includes a switching circuit, a power circuit, and a detection circuit. The power circuit is coupled to a power supply output terminal via the switching circuit. The detection circuit is configured to control a state of the switching circuit according to a first resistance between a first pin and a second pin of the Ethernet cable.
A video encoding device is provided. The video encoding device includes an encoding unit, a transmission unit, and a calculating unit. The encoding unit generates an encoded video with an encoding frame rate. The transmission unit provides a video stream to a client terminal via network according to the encoded video. The calculating unit calculates an encoding rate in a first detection period according to the encoded video, and calculates a transmission rate in a second detection period according to the video stream. The encoding unit adjusts the encoding frame rate according to the encoding rate and the transmission rate.
H04N 7/173 - Systèmes à secret analogiquesSystèmes à abonnement analogiques à deux voies, p. ex. l'abonné envoyant un signal de sélection du programme
H04N 21/2343 - Traitement de flux vidéo élémentaires, p. ex. raccordement de flux vidéo ou transformation de graphes de scènes du flux vidéo codé impliquant des opérations de reformatage de signaux vidéo pour la distribution ou la mise en conformité avec les requêtes des utilisateurs finaux ou les exigences des dispositifs des utilisateurs finaux
H04N 21/238 - Interfaçage de la voie descendante du réseau de transmission, p. ex. adaptation du débit de transmission d'un flux vidéo à la bande passante du réseauTraitement de flux multiplexés
H04N 21/24 - Surveillance de procédés ou de ressources, p. ex. surveillance de la charge du serveur, de la bande passante disponible ou des requêtes effectuées sur la voie montante
59.
Wireless communication device for transceiving heterogeneous radio-frequency signals
A wireless communication device for transceiving heterogeneous radio-frequency (RF) signals is provided. The wireless communication device includes a first antenna, a second antenna, a first transceiver, a second transceiver and a controller. The first transceiver controls the first antenna through a first transceiving path to transceive a first RF signal according to a first wireless communication standard. The second transceiver controls the second antenna through a second transceiving path to transceive a second RF signal according to a second wireless communication standard. In a joining process when the wireless communication device establishes connection to an end device according to the second wireless communication standard, the controller reduces transmission power for transmitting the first RF signal, or reduces sensitivity for receiving the second RF signal.
H04B 1/525 - Dispositions hybrides, c.-à-d. dispositions pour la transition d’une transmission bilatérale sur une voie à une transmission unidirectionnelle sur chacune des deux voies ou vice versa avec des moyens de réduction de la fuite du signal de l’émetteur vers le récepteur
H04W 52/38 - Commande de puissance d'émission [TPC Transmission power control] le TPC étant effectué dans des situations particulières
H04W 88/06 - Dispositifs terminaux adapté au fonctionnement dans des réseaux multiples, p. ex. terminaux multi-mode
H04W 52/42 - Commande de puissance d'émission [TPC Transmission power control] le TPC étant effectué dans des situations particulières dans des systèmes à diversité de temps, d'espace, de fréquence ou de polarisation
60.
Motion detection device and motion detection method
A motion detection device is provided. The motion detection device includes a first image recording unit, a first storage unit, a motion detection unit, a depth calculation unit, and a determination unit. The first image recording unit is configured to record a first video. The first storage unit is configured to store the first video. The motion detection unit is configured to detect a moving object in the first video. The depth calculation unit is configured to calculate a depth of the moving object. The determination unit is configured to determine whether or not the moving object is a concerned event according to the depth of the moving object.
H04N 13/239 - Générateurs de signaux d’images utilisant des caméras à images stéréoscopiques utilisant deux capteurs d’images 2D dont la position relative est égale ou en correspondance à l’intervalle oculaire
Disclosed herein is a microstrip line filter including a dielectric substrate, a first hairpin resonator, and a metal ground layer. The first hairpin resonator is disposed on a first layer of the dielectric substrate. The metal ground layer is disposed on a second layer of the dielectric substrate. The metal ground layer includes a first defected ground structure. The first defected ground structure includes a first defected area, a second defected area, and a third defected area. The projection of the first defected area on the first layer is located inside the hairpin structure of the first hairpin resonator. The projection of the second defected area on the first layer is located in a direction opposite to an opening direction of the first hairpin resonator. The third defected area connects the first defected area and the second defected area.
An automatic frequency calibration method and a small cell using the same are provided. The automatic frequency calibration method comprises the following steps. A set of at least one broadcasting message in a surrounding environment is received. Whether part of the at least one broadcasting message is transmitted from at least one first type base station is determined. If part of the at least one broadcasting message is transmitted from the first type base station, then a frequency of the small cell is calibrated according to one of the at least one first type base station whose signal strength is maximum among all of the at least one first type base station. If all of the at least one broadcasting message are not transmitted from the first type base station, the frequency of the small cell is calibrated according to at least one second type base station.
A doorbell device is provided. The doorbell device includes a user interface, a control circuit, a power switching circuit, a first capacitor, a second capacitor, and a charge/discharge control circuit. The user interface includes a button. The control circuit is coupled to the user interface and generates a power control signal according to a state of the button. The power switching circuit is coupled to the control circuit and outputs a first voltage signal at a first node to supply power to the control circuit according to the power control signal. The first capacitor is coupled to the first node. The charge/discharge control circuit is coupled between the first node and the second capacitor and controls whether the second capacitor is charged or discharged according to the first voltage signal.
G08B 3/00 - Systèmes de signalisation audibleSystèmes d'appel sonore de personnes
G08B 3/10 - Systèmes de signalisation audibleSystèmes d'appel sonore de personnes utilisant une transmission électriqueSystèmes de signalisation audibleSystèmes d'appel sonore de personnes utilisant une transmission électromagnétique
G10K 1/064 - Mécanismes d'actionnement ou de frappe à cet effet
64.
Patch antenna and wireless communication device using the same
A patch antenna includes an irradiation plate, a grounding point and a feeding point. The irradiation plate has a long edge. The grounding point is located at the long edge. The feeding point is located at the long edge. The grounding point and the feeding point are symmetrical with respect to a center of the long edge.
A method for maintaining network connection of a network device includes the following steps. Firstly, a step (a) is performed to determine whether a connection status between the network device and a remote device is disconnected. An application layer is automatically restarted if the connection status is determined to be disconnected. Then, a step (b) is performed to determine whether the connection status is still disconnected after the application layer is automatically restarted. If the connection status is still disconnected after the application layer is automatically restarted, a network protocol layer is automatically restarted. Then, a step (c) is performed to determine whether the connection status is still disconnected after the network protocol layer is automatically restarted. If the connection status is still disconnected after the network protocol layer is automatically restarted, the network device is automatically rebooted.
A security device comprises a mounting plate and a mounting device. The mounting plate, for being fixed to a surface, comprises a first electrical contact point and a second electrical contact point electrically connecting to the first electrical contact point. The mounting device is to be assembled to the mounting plate and comprises a third electrical contact point, a fourth electrical contact point and a detection circuit. The third electrical contact point is for contacting the first electrical contact point when the mounting device is assembled to the mounting plate. The fourth electrical contact point is for contacting the second electrical contact point when the mounting device is assembled to the mounting plate. The detection circuit is electrically connected to the fourth electrical contact point, for determining whether the fourth electrical contact point is electrically connected to the third electrical contact point.
A method for measuring network throughput is provided. The method comprises the following steps: exchanging messages with a time synchronization protocol server in compliance with a time synchronization protocol, synchronizing a slave clock with a master clock of the time synchronization protocol server according to time information related to the messages, and calculating at least one network throughput according to the time information and size information related to the messages.
A motion detection method is provided. The method includes steps of: recording an input video, extracting a reference frame from the input video in every reference updating cycle, extracting a target frame from the input video and determining whether an event occurs by comparing the target frame with the reference frame in every checking cycle, and comparing the number of events accumulated in every observation cycle with a threshold to determine whether the input video contains a motion during the observation cycle.
G08B 13/196 - Déclenchement influencé par la chaleur, la lumière, ou les radiations de longueur d'onde plus courteDéclenchement par introduction de sources de chaleur, de lumière, ou de radiations de longueur d'onde plus courte utilisant des systèmes détecteurs de radiations passifs utilisant des systèmes de balayage et de comparaison d'image utilisant des caméras de télévision
A motion detection method is provided. The method includes steps of: recording an input video having a plurality of windows of interest (WOIs), extracting a reference frame from the input video in every reference updating cycle, extracting a target frame from the input video and determining whether an event occurs in each of the WOIs by comparing the target frame with the reference frame in every checking cycle, and comparing the number of WOIs in which the event occurs in every observation cycle with a threshold to determine whether the input video contains a motion during the observation cycle.
H04N 5/91 - Traitement du signal de télévision pour l'enregistrement
H04N 9/79 - Traitement des signaux de télévision en couleurs en combinaison avec l'enregistrement
H04N 5/14 - Circuits de signal d'image pour le domaine des fréquences vidéo
H04N 5/76 - Enregistrement du signal de télévision
G08B 13/196 - Déclenchement influencé par la chaleur, la lumière, ou les radiations de longueur d'onde plus courteDéclenchement par introduction de sources de chaleur, de lumière, ou de radiations de longueur d'onde plus courte utilisant des systèmes détecteurs de radiations passifs utilisant des systèmes de balayage et de comparaison d'image utilisant des caméras de télévision
72.
Data stream generation and transmission system and method therefor
A data stream generation and transmission system is provided. The system includes a cable, a data stream generation device, and a wireless transmission device connected to the data stream generation device through the cable. The data stream generation device includes a storage component and a data stream generation module. The storage component stores wireless network configuration data. The data stream generation module generates a data stream. The wireless transmission device includes a wireless module, wherein the data stream generation device is adapted to send the wireless network configuration data and the data stream to the wireless transmission device through the cable, and the wireless transmission device is adapted to use the wireless network configuration data to configure the wireless module and use the wireless module to transmit the data stream wirelessly.
A network device is provided. The network device is connected to a number of slave network devices. Each slave network device communicates with the network device by using an Internet protocol (IP) address. The network device includes an Internet protocol security (IPsec) module and a network address translation (NAT) module. The IPsec module establishes an IPsec tunnel to a network gateway in the Internet and retrieves an IPsec IP address corresponding to the IPsec tunnel. The NAT module converts the IP addresses of the slave network devices to the IPsec IP address, such that the slave network devices use the IPsec IP address to communicate with the network gateway through the IPsec tunnel.
H04L 9/32 - Dispositions pour les communications secrètes ou protégéesProtocoles réseaux de sécurité comprenant des moyens pour vérifier l'identité ou l'autorisation d'un utilisateur du système
H04L 29/06 - Commande de la communication; Traitement de la communication caractérisés par un protocole
H04L 29/12 - Dispositions, appareils, circuits ou systèmes non couverts par un seul des groupes caractérisés par le terminal de données
An electronic device, including a circuit board, a communication chip, a first heat sink, a fixer and a shielding mask, is provided. The circuit board has a frame having an opening and several rims surrounding the opening. The communication chip, disposed on the circuit board, is located in the opening of the frame. The first heat sink, disposed on the communication chip, has a first surface facing and contacting the communication chip. The fixer is fixed into the circuit board and the first heat sink, such that the first heat sink remains contacting the communication chip. The shielding mask, disposed on the circuit board, includes a cover and several side boards. The cover covers the communication chip and the first heat sink, such that the cover contacts a second surface of the first heat sink. The side boards are opposite and connected to the rims in parallel.
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
Produits et services
Assembly of computer components under customer consignment and specifications; Custom manufacture of electronic parts; Assembly and fabrication of electronic parts for computers or machines under customer consignment and specifications
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
Produits et services
Assembly of computer components under customer consignment and specifications; Custom manufacture of electronic parts; Assembly and fabrication of electronic parts for computers or machines under customer consignment and specifications
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Computer software design; [ Updating of computer software; ] Maintenance of computer software; [ Rental of computer software; ] Consultancy on computer software design; Installation of computer software; [ Computer systems analysis; Computer systems design; Duplication of computer programs; Computer program consultancy; Recovery of computer data; Digitization of images; Conversion of data or documents from physical to electronic media; Data conversion of computer programs and data, not physical conversion; Rental of network server space; Website design consultancy; Design, creation, hosting, maintenance of websites for others; Maintenance of websites and hosting on-line web facilities for others; Planning, design, development, maintenance and optimization of online websites for third parties; Design and testing of new products for others; ] Design of computer hardware [ ; Consultancy in the design and development of computer hardware; Design of semiconductor chips ]
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Computer software design; updating of computer software; maintenance of computer software; rental of computer software; consultancy on computer software design; installation of computer software; computer systems analysis; computer system design; duplication of computer programs; computer programs consultancy; recovery of computer data; digitization of images; conversion of data or documents from physical to electronic media; data conversion of computer programs and data [not physical conversion]; rental of network server space; website design consultancy; design, creation, hosting, maintenance of websites for others; maintenance of websites and hosting on-line web facilities for others; planning, design, development, maintenance and optimization of online websites for third parties; design and testing of new products for others; design of computer hardware; consultancy in the design and development of computer hardware; design of semiconductor chips.
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
Produits et services
Assembly of computer components under customer consignment and specifications; custom manufacture of electronic parts; assembly and manufacturing of electronic parts for computers or machines under customer consignment and specifications.
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
Produits et services
Assembly of computer components under customer consignment and specifications; custom manufacture of electronic parts; assembly and manufacturing of electronic parts for computers or machines under customer consignment and specifications.
86.
Locating apparatus, locating method and computer program storage product thereof for a mobile device
A locating apparatus, a locating method and a computer program storage product thereof for a mobile device are provided. The mobile device has an initial speed. The locating apparatus comprises a sensing unit, a calculation unit and a processing unit. The sensing unit is configured to sense acceleration information and height displacement information. The calculation unit is configured to calculate angle information according to the initial speed, the acceleration information, the height displacement information and a predetermined time interval, is configured to calculate modified acceleration information according to the acceleration information and the angle information, and is configured to calculate composite displacement information according to the initial speed, the modified acceleration information and the predetermined time interval, so that the processing unit is able to generate more accurate location information according to the composite displacement information and the height displacement information.
A base station includes an interface for providing communication with at least one other base station and communication with a network server in a communication system, a processor coupled to the interface, and a memory coupled to the processor. The memory stores program instructions executable by the processor to connect to the network server using the interface, send information to the network server regarding femtocell capability, configure operating parameters of the base station based on the information, including to configure transmission power of the base station, and operate the base station based on the operating parameters.
H04M 3/00 - Centraux automatiques ou semi-automatiques
H04W 4/00 - Services spécialement adaptés aux réseaux de télécommunications sans filLeurs installations
H04W 40/00 - Acheminement ou recherche d'itinéraire pour la communication
H04B 1/38 - Émetteurs-récepteurs, c.-à-d. dispositifs dans lesquels l'émetteur et le récepteur forment un ensemble structural et dans lesquels au moins une partie est utilisée pour des fonctions d'émission et de réception
A transmitting power level control method and system are provided, whereby the power of a terminal device in a wireless sensor network is saved and the lifetime thereof is extended. The control method includes the steps of: (A) broadcasting a plurality of transmitting power level (TPL) messages, each of which represents a respective TPL and the respective TPLs are different from one another, wherein each of the plurality of TPL messages is broadcasted at the respective TPL thereof; and (B) setting a TPL for the terminal device at a minimum one of the TPLs represented by the TPL messages received by the terminal device.
An inverse F antenna (IFA) antenna is provided. The IFA antenna includes a ground portion, a radiation portion, a short-circuit portion and a feed-in portion. The width of the radiation portion is larger than the width of the ground portion, such that the operating band of the IFA antenna covers at least a first band and a second band at the same time. The short-circuit portion is disposed on the ground portion and is connected to the radiation portion. The feed-in portion is connected to the radiation portion.
