A control device is provided in an access point including an input/output interface connected to a communication bus using a communication protocol, a transmitting stage for converting a first signal from the input/output interface into a transmitted light signal, and a receiving stage for converting a received light signal into a second signal passed on to the input/output interface. This control device is arranged either to disable the receiving stage when the input/output interface receives a first signal from the communication bus, and to enable the receiving stage when the input/output interface no longer receives a first signal from the communication bus, or to disable the transmitting stage when the receiving stage receives a light signal, and to enable the transmitting stage when the receiving stage no longer receives a light signal.
A method coordinates access points having coverage areas each subdivided into an exclusive sub-area supplemented by an interference sub-area where they overlap and forming part of an optical wireless network. The method includes a procedure including, for each time channel, a first sub-procedure wherein each interface device located in an exclusive sub-area of an access point is allocated an authorized free time slot in the time channel, a second sub-procedure wherein, as long as there remains an interface device without an allocated time slot in an interference sub-area, for each free time slot: a set of interface devices compatible with it is determined, if this set is not empty, an interface device is allocated this free time slot which is compatible with an available access point according to a chosen heuristic, otherwise the time slot is not free, the second sub-step is performed again.
Optical device for orienting in space a radiation pattern for transmission and/or a radiation pattern for reception of light waves of wide spectral band
An optical device equips a piece of communication equipment of an optical wireless communication network, and includes a monolithic optical element including at least one ruled optical surface having a curved generatrix selected to present an orientation that varies harmonically as a function of angular position, so as to spatially orient a radiation pattern for transmission and/or a radiation pattern for reception of light waves.
An optoelectronic device equips an access point of an optical wireless communication system and includes a transmitting optoelectronic module converting a digital signal into a light signal to be transmitted, a receiving optoelectronic module converting a received light signal into a digital signal, a control module controlling the transmitting optoelectronic module and the receiving optoelectronic module, and a power supply module supplying the transmitting optoelectronic module with a current selected by the control module, and the receiving optoelectronic module and the control module with voltages selected by the control module.
A compound parabolic concentrator includes a coupling surface for positioning on a sensitive surface of a photodetector of a receiving device, a collecting surface for receiving optical signals, and a side surface located between the coupling surface and the collecting surface, the side surface including two inclined and symmetrical parabolic portions when viewed in a cross-sectional plane passing through a reference axis of the compound parabolic concentrator, wherein the side surface is defined by an equation using input parameters including a dimension of the sensitive surface of the photodetector, an acceptance angle, a first refractive index of a medium in which the compound parabolic concentrator is to be immersed, a second refractive index of a material used to manufacture the compound parabolic concentrator, and a diametrical expansion factor.
09 - Appareils et instruments scientifiques et électriques
11 - Appareils de contrôle de l'environnement
38 - Services de télécommunications
Produits et services
Apparatus for recording, transmission or reproduction of sound or images; magnetic and electronic recording media, namely, dongle receivers, receivers for wireless communication; calculating machines, data processing equipment, computers; Recorded and downloadable software, namely, computer operating software; Recorded and downloadable software for the collection, editing, organizing, modifying, transmission, storage and sharing of data and information; Recorded and downloadable communications software for connecting computer network users; Amplifiers; Personal stereos; Portable media players; Batteries, electric; Computer terminals, namely, tablets, tablet computers, and tablet computers for wireless communication; Integrated circuit cards; Battery chargers; Projection screens; Transmitting sets, namely, USB dongles, photonic antennas, access points for connecting network computer users, access points for connecting wireless communication terminals, computer chips and point to point computer interface for wireless communication; Signs, luminous; Optical fibres; Global Positioning System apparatus; Optical lanterns; Readers, namely, optical readers, electronic card readers, smart card readers, USB card readers; Optical character readers; Computer peripheral devices; signalling lights; Spectrograph apparatus; Spectroscopes; Telephone apparatus; Telephone transmitters; Transponders; Transmitting tubes, namely, apparatus for transmitting sound and images; Digital optical transmission apparatus, namely, apparatus for transmitting images; Apparatus for the transmission of data; Apparatus for transmission of communication; Electronic units for transmitting audio signals Light bulbs; Light bulbs, electric; Light diffusers; Light emitting diodes lighting apparatus; Lamps; Electric lamps; Lamp reflectors; Lamp chimneys; Lamp glasses; Luminous tubes for lighting; Discharge tubes, electric, for lighting; lighting reflectors; Lighting tracks; Outdoor electrical lighting fixtures; LED light bulbs; Overhead lamps; Lighting devices for showcases; Diffusers being parts of lighting installations Telecommunications routing and junction services; Communications by fibre optic networks; Wireless broadcasting; Information about telecommunication; Computer aided transmission of messages and images; Communications services, namely, transmitting streamed sound and audiovisual recordings via the Internet; Telecommunication services, namely, transmission of voice, data, graphics, images, audio and video by means of wireless communication networks; Data communication services, namely, electronic data transmission; Communication services between data banks, namely, electronic data transmission; Providing telecommunications connections to a global computer network; Information services relating to electronic communication networks; Telecommunications services for the distribution of data, namely, electronic data transmission; Telecommunications services for aircraft passengers, namely, providing internet access via wireless networks; Providing telecommunications connections to a global computer network; Data transmission and reception services via telecommunication means; Providing telecommunications connections to the internet or databases; Telecommunications services to obtain information from data banks, namely, electronic data transmission; Provision of telecommunications access to databases and the internet
7.
Insulation device incorporated in an optical wireless communication equipment
An insulation device arranged to be fixed on an electrical board of an optical wireless communication equipment, and including an enclosure having a height at least equal to a height of an optical assembly including an optical concentrator, the enclosure including in its thickness an opaque material, the insulation device including at least one housing, the insulation device being arranged such that, when the insulation device and the optical assembly are mounted on the electrical board, the enclosure surrounds the receiving surface so as to insulate the optical assembly from unwanted optical signals, and the optical concentrator is positioned in the housing so that the housing assists in holding the optical concentrator in position in the optical wireless communication equipment.
A control device (1) provided in an access point (2-1) comprising an input/output interface (4) connected to a communication bus (3) using a communication protocol, a transmission stage (5) for converting a first signal from the input/output interface (4) into a transmitted light signal, and a receiving stage (6) for converting a received light signal into a second signal communicated to the input/output interface (4). Said control device (1) is arranged either to deactivate the receiving stage (6) when the input/output interface (4) receives a first signal from the communication bus (3) and to activate the receiving stage (6) when the input/output interface (4) is no longer receiving a first signal from the communication bus (3), or to deactivate the transmission stage (5) when the receiving stage (6) receives a light signal and to activate the transmission stage (5) when the receiving stage (6) is no longer receiving a light signal.
An optical wireless communication device includes a processing component which is configured to produce transmitted digital signals during transmission periods; a light source which is configured to produce transmitted light signals from transmitted analog signals; a shutdown circuit which is configured to selectively activate or deactivate the light source; the processing component including a binary output to which it applies a binary control signal which is in a first state during the transmission periods and in a second state outside the transmission periods, the shutdown circuit being configured to activate the light source when the binary control signal is in the first state and to deactivate the light source when the binary control signal is in the second state.
H05B 47/195 - Commande de la source lumineuse par télécommande via une transmission sans fil la transmission utilisant la lumière visible ou infrarouge
10.
Face detection and optical wireless communication module
A detection and communication module arranged to implement a face detection function and an optical wireless communication function, and including a processing unit, a transmission chain and a reception chain, the processing unit being arranged to transmit via the transmission chain a detection signal, to receive via the reception chain the detection signal following its reflection on a face surface of an individual, and to evaluate a distance between the detection and communication module and the face surface of the individual, the processing unit being further arranged to transmit via the transmission chain a transmitted optical wireless communication signal containing data to be transmitted, and to receive via the reception chain a received optical wireless communication signal.
A method for coordinating access points having coverage areas, each subdivided into an exclusive sub-area supplemented by an interference sub-area where they overlap, and forming part of a wireless optical network. This method comprises a step comprising, for each time channel: - a first sub-step (100) in which a free time slot authorised in the time channel is allocated to each interface device located in an exclusive sub-area of an access point, - a second sub-step (110-a - 110-e) in which, as long as there remains an interface device without an allocated time slot in an interference sub-area, for each free time slot: determining a set of interface devices compatible with the free time slot; if this set is not empty, allocating the time slot that is free and compatible with an available access point to an interface device according to a selected heuristic, otherwise the time slot is not free; repeating the second sub-step.
OPTICAL DEVICE FOR ORIENTING IN SPACE A RADIATION PATTERN FOR TRANSMISSION AND/OR A RADIATION PATTERN FOR RECEPTION OF LIGHT WAVES OF WIDE SPECTRAL BAND
A piece of communication equipment (2) of a wireless optical communication network (3) is equipped with an optical device (1), said optical device comprising an optical element (11) that is monolithic and that comprises at least one ruled optical surface having a curved generatrix chosen such as to have an orientation that varies harmonically as a function of angular position, so as to orient in space a radiation pattern for transmission and/or a radiation pattern for reception of light waves.
An optoelectronic device (1) is fitted to an access point (AP1) of a wireless optical communication system (2) and comprises an optoelectronic transmission module (12) that converts a digital signal into a light signal to be transmitted, an optoelectronic reception module (13) that converts a received light signal into a digital signal, a control module (10) that controls the optoelectronic transmission module (12) and the optoelectronic reception module (13), and a power supply module (11) that supplies a current chosen by the control module (10) to the optoelectronic transmission module (12), and voltages chosen by the control module (10) to the optoelectronic reception module (13) and the control module (10).
Compound parabolic concentrator (8) having a coupling surface (9) that is intended to be positioned on a sensitive surface of a photodetector (7) on a receiving device, a collection surface (10) that is intended to receive the optical signals, and a lateral surface (11) located between the coupling surface and the collection surface, the lateral surface comprising two parabolic portions that are angled and symmetrical when the surface is viewed in a cross-sectional plane passing through a reference axis of the compound parabolic concentrator, the lateral surface being defined by an equation using input parameters comprising a dimension of the sensitive surface of the photodetector, an acceptance angle, a first refractive index of a medium in which the compound parabolic concentrator is intended to be immersed, a second refractive index of a material used to make the compound parabolic concentrator and a diametrical expansion factor.
F24S 23/74 - Agencements pour concentrer les rayons solaires pour les collecteurs de chaleur solaire avec des réflecteurs avec des surfaces réfléchissantes en forme d’auge ou sous forme cylindro-parabolique
An insulation device (20) arranged to be attached to an electrical board (3) of a wireless optical communication device, and comprising an enclosure having a height at least equal to a height of an optical assembly comprising an optical concentrator (8), the enclosure comprising, over its thickness, an opaque material, the isolation device comprising at least one housing, the isolation device being arranged such that, when the isolation device and the optical assembly are mounted on the electrical board, the enclosure surrounds the receiving surface (21) so as to insulate the optical assembly from unwanted optical signals, and the optical concentrator is positioned in the housing such that the housing contributes to the optical concentrator being fixed in position in the wireless optical communication device.
A system includes an optical fiber assembly, a receiver and a telescope, the receiver being positioned at a receiving end of the optical fiber assembly, the telescope being positioned at a collecting end, the receiver being arranged to receive uplink modulated light signals collected by the telescope and travelling through the optical fiber assembly, the telescope comprising an optical concentrator having an inlet face and an outlet face with a surface area smaller than that of the inlet face, the telescope further including a gradient-index lens dispose d coaxially with respect to the optical concentrator so that an inlet face of the gradient-index lens extends opposite the outlet face of the optical concentrator, the collecting end of the optical fiber assembly opening out opposite an outlet face of the gradient-index lens.
A lighting and communication system includes a first optical fiber portion, a second optical fiber portion, a third optical fiber portion, a fourth optical fiber portion and a fifth optical fiber portion that are distinct, wherein a visible light transmitter is positioned at a first end of the first optical fiber portion, a modulated light signal transmitter is positioned at a first end of the second optical fiber portion, a second end of the first optical fiber portion and a second end of the second optical fiber portion are connected to a first end of the third optical fiber portion, a modulated light signal receiver is positioned at a first end of the fourth optical fiber portion, a second end of the third optical fiber portion and a second end of the fourth optical fiber portion are connected to a first end of the fifth optical fiber portion.
Wireless optical communication device comprising: - a processing component (14) which is configured to produce transmitted digital signals during transmission times; - a light source (24) which is configured to produce transmitted light signals from transmitted analogue signals; - a shutdown circuit (25) which is configured to selectively activate or deactivate the light source; the processing component comprising a binary output (40) to which it applies a binary control signal which is in a first state during transmission times and in a second state outside the transmission times, the shutdown circuit being configured to activate the light source when the binary control signal is in the first state and to deactivate the light source when the binary control signal is in the second state.
Disclosed is a detection and communication module (1) arranged to implement a face-detection function and an optical wireless communication function, and comprising a processing unit (12), a transmission channel (22) and a reception channel (23), the processing unit (12) being arranged to transmit a detection signal via the transmission channel (22), to receive, via the reception channel (23), the detection signal after it has been reflected off a surface of an individual's face (31), and to evaluate a distance between the detection and communication module (1) and the surface of the individual's face (31), the processing unit (12) being further arranged to transmit, via the transmission channel (22), a transmitted optical wireless communication signal containing data to be transmitted, and to receive a received optical wireless communication signal via the reception channel (22).
H04B 10/114 - Systèmes d’intérieur ou à courte portée
G06K 9/00 - Méthodes ou dispositions pour la lecture ou la reconnaissance de caractères imprimés ou écrits ou pour la reconnaissance de formes, p.ex. d'empreintes digitales
20.
LIGHTING AND COMMUNICATION SYSTEM COMPRISING AN EMITTER AND A RECEIVER OF MODULATED LIGHT SIGNALS
The invention relates to a lighting and communication system comprising a first optical fibre portion (31), a second optical fibre portion (32), a third optical fibre portion (33), a fourth optical fibre portion (34) and a fifth optical fibre portion (35) that are distinct, an emitter of visible light (9) being positioned at a first end of the first optical fibre portion (31), an emitter of modulated light signals (15) being positioned at a first end of the second optical fibre portion (32), a second end of the first optical fibre portion (31) and a second end of the second optical fibre portion (32) being connected to a first end of the third optical fibre portion (33), a receiver of modulated light signals (16) being positioned at a first end of the fourth optical fibre portion (34), a second end of the third optical fibre portion (33) and a second end of the fourth optical fibre portion (34) being connected to a first end of the fifth optical fibre portion (35).
System comprising a fibre optic assembly, a receiver and a telescope (70), the receiver being positioned at a receiving end of the fibre optic assembly, the telescope (70) being positioned at a collecting end, the receiver being designed to receive uplink modulated light signals which are collected by the telescope and move through the fibre optic assembly, the telescope (70) comprising an optical concentrator (71) having an input face (74) and an output face (80) with a lower surface than that of the input face (74), the telescope (70) further comprising a gradient index lens (83) arranged coaxially in relation to the optical concentrator (71) such that an input face (86) of the gradient index lens (83) extends opposite the output face (80) of the optical concentrator (71), the collecting end of the fibre optic assembly emerging opposite an output face (87) of the gradient index lens (83).
A method for identifying a device capable of communicating by Li-Fi including the steps of generating and storing a list of first pieces of address data and a list of transmission frequencies each associated with a first piece of address data; selecting second pieces of address data (11) to form a MAC address (10); transforming each second piece of address data into a third piece of address data containing a transmission frequency value associated with the second piece of address data; generating a global address; assigning the global address to the device; and recording the global address in a memory module of the device capable of communicating by Li-Fi.
H04B 10/11 - Dispositions spécifiques à la transmission en espace libre, c.-à-d. dans l’air ou le vide
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
H04L 29/12 - Dispositions, appareils, circuits ou systèmes non couverts par un seul des groupes caractérisés par le terminal de données
H04B 10/80 - Aspects optiques concernant l’utilisation de la transmission optique pour des applications spécifiques non prévues dans les groupes , p. ex. alimentation par faisceau optique ou transmission optique dans l’eau
H04L 29/08 - Procédure de commande de la transmission, p.ex. procédure de commande du niveau de la liaison
23.
METHOD FOR EMITTING A LI-FI MODULATED LIGHT SIGNAL
Method for emitting a Li-Fi signal, implemented in a circuit comprising an LED (2), a measurement resistance (6) and a carrier voltage source (Vp) mounted in series, as well as a switch (7) mounted in parallel with the measurement resistance (6), the method comprising the steps of: - generating a digital data signal (Sn), and modulating the carrier voltage (Vp) in order to generate a modulated voltage (Vm); - closing the switch (7), and then applying the modulated voltage (Vm) to the terminals of the LED (2); - at regular time intervals, opening the switch (7) and measuring a diode voltage; - estimating the junction temperature of the LED (2) from the diode voltage, and estimating a remaining life span of the LED.
Method of receiving a Li-Fi signal comprising the following steps: identifying the start bit and the data bits for each frame by comparing intensities of samples with a predetermined intensity threshold; associating a starting vector with the start bit and a data vector with each data bit; evaluating a proximity P(x) between the starting vector and a reference starting vector (v3) for a start bit, and between the starting vector and a reference data vector (v^) for a data bit; confirming the identity of the start bit when the starting vector is closer to the reference starting vector than to the reference data vector.
The invention relates to a receiver device intended for receiving a modulated light signal of the Li-Fi signal type, comprising a photodetector (11) suitable for detecting the modulated light signal and for transforming same into an electrical signal, and a processing module connected to the photodetector (11) and intended for acquiring the electrical signal in order to extract transmitted data therefrom, characterised in that the photodetector (11) comprises a semiconducting detection surface (21) and a converging lens (20) intended for concentrating the modulated light signal on the detection surface (21).
A method for identifying a device capable of communicating by Li-Fi comprising the steps of: - generating and storing a list of first pieces of address data and a list of transmission frequencies each associated with a first piece of address data; - selecting second pieces of address data (11) to form a MAC address (10); - transforming each second piece of address data into a third piece of address data containing a transmission frequency value associated with the second piece of address data; - generating a global address; - assigning the global address to the device; - recording the global address in a memory module of the device capable of communicating by Li-Fi.
The invention relates to a geolocalisation device (1) comprising: detection means comprising a photodetector (9) and used to detect a Li-Fi signal from an external light output source; and processing means (16) that can generate localisation parameters from the detected Li-Fi signal and provide a relative position of the geolocalisation device in relation to the external light output source on the basis of the localisation parameters.
G01S 5/16 - Localisation par coordination de plusieurs déterminations de direction ou de ligne de positionLocalisation par coordination de plusieurs déterminations de distance utilisant des ondes électromagnétiques autres que les ondes radio
G01S 1/70 - Radiophares ou systèmes de balisage émettant des signaux ayant une ou des caractéristiques pouvant être détectées par des récepteurs non directionnels et définissant des directions, situations ou lignes de position déterminées par rapport aux émetteurs de radiophareRécepteurs travaillant avec ces systèmes utilisant des ondes électromagnétiques autres que les ondes radio
G01S 3/784 - Systèmes pour déterminer une direction ou une déviation par rapport à une direction prédéterminée utilisant la comparaison d'amplitude de signaux provenant de détecteurs ou de systèmes de détecteurs statiques utilisant une mosaïque de détecteurs
28.
ELECTRONIC DEVICE CAPABLE OF COMMUNICATING BY LI-FI
An electronic device capable of communicating by Li-Fi and comprising: - at least one light emitting diode (4) intended to emit Li-Fi signals; - energy recovery means (10) intended to recover thermal energy produced by the light emitting diode and to generate, from the recovered thermal energy, a first electrical energy supply of the electronic device.
H02J 7/35 - Fonctionnement en parallèle, dans des réseaux, de batteries avec d'autres sources à courant continu, p. ex. batterie tampon avec des cellules sensibles à la lumière
09 - Appareils et instruments scientifiques et électriques
11 - Appareils de contrôle de l'environnement
38 - Services de télécommunications
Produits et services
Scientific and optical apparatus and instruments; apparatus
and instruments for conducting, switching, transforming,
accumulating, regulating or controlling electricity;
apparatus for recording, transmission or reproduction of
sound or images; magnetic and electronic data media, sound
recording disks; compact disks, DVDs and other digital
recording media; mechanisms for coin-operated apparatus;
calculating machines, data processing equipment, computers;
software; amplifiers; amplifying lamps; personal stereos;
portable media players; electric batteries; terminals
[electricity]; memory cards or integrated circuit cards;
battery chargers; projection screens; transmitters
[telecommunication]; luminous signboards; light conducting
filaments [optical fibers]; global positioning system gps
apparatus; intercommunication apparatus; optical lamps;
readers [data processing equipment]; optical character
readers; computer peripheral devices; luminous signals
(signs); spectrograph apparatus; spectroscopes; telephone
apparatus; telephone transmitters; transmitters
[telecommunication]; transponders; network routers;
navigation, guidance, tracking, marking and mapping devices;
optical correctors, amplifiers and devices; audiovisual and
information technology equipment; tubes for light-based data
transmission; digital optical transmission apparatus; data
transmission apparatus; communication transmission
apparatus; signal transmission apparatus; electronic devices
for audio signal transmission; multiple-control signal
transmission devices. Lighting apparatus; light bulbs; electric light bulbs; light
diffusers; light-emitting diode [LED] lighting apparatus;
lighting apparatus and installations; lamps for lighting;
electric lamps; lamps for projection apparatus; lamp
reflectors; lamp chimneys; lamp glasses; luminous tubes for
lighting; electric discharge tubes for lighting; lighting
and reflectors for lighting; parts of lighting; outdoor
lighting; decorative lighting; lighting panels; devices for
lighting; track lighting [lighting apparatus]; lighting
accessories; outdoor lighting accessories; lighting fixtures
[electric lighting accessories]; electrical outdoor lighting
accessories; LED light bulbs; ceiling mounted lighting
apparatus; lighting devices for showcases; diffusers [parts
of lighting apparatus]; fluorescent lighting apparatus. Telecommunication services; telecommunications routing and
junction services; communications by fiber-optic networks;
wireless broadcasting services; information relating to
telecommunications; message transmission; computer-aided
transmission of messages and images; light-based
communication transmission; light-based message
transmission; light-based information dissemination; audio
communication services; wireless communication services;
data communication services; communication services between
data banks; interactive communication and dissemination
services; communication services for information
transmission; provision of telecommunication connections to
global computer networks; communication services intended
for transmission of information by electronic media;
information services relating to electric communication
networks; telecommunication services for data dissemination;
telecommunication services provided to airline passengers;
provision of telecommunication connections to global
computer networks; transmission and reception of data by
telecommunications; telecommunication connections to the
Internet or to databases; telecommunication services for
obtaining information from data banks; provision of access
to databases and the Internet by means of
telecommunications.
The invention provides a lighting device (10) comprising a luminous source (12) which is equipped with Li-Fi type emission means for emitting a signal (A) comprising identification data of the lighting device (10) as well as data representing the functioning state of the lighting device (10).
The invention relates to a lighting device (10) comprising a luminous source (11), characterized in that it is equipped with a Li-Fi type conversion and emission module (15), wherein said lighting device (10), in particular said conversion and emission module (15) is arranged to be connected to one or more sensors (100) such as an insolation sensor or an outside temperature sensor for emitting, via Li-Fi, a signal containing data supplied by each sensor (100) to which it is connected.
The invention relates to a geopositioning system which comprises at least one transmission module (1) suitable for transmitting respectively at least one fist positioning signal (S1) and one second positioning signal (S2), in the form of a sequence of light pulses using Li-Fi technology, in a first direction and a second direction which are separate from one another such as to define two separate positioning zones (Z1, Z2).
G01S 1/70 - Radiophares ou systèmes de balisage émettant des signaux ayant une ou des caractéristiques pouvant être détectées par des récepteurs non directionnels et définissant des directions, situations ou lignes de position déterminées par rapport aux émetteurs de radiophareRécepteurs travaillant avec ces systèmes utilisant des ondes électromagnétiques autres que les ondes radio
G01S 5/16 - Localisation par coordination de plusieurs déterminations de direction ou de ligne de positionLocalisation par coordination de plusieurs déterminations de distance utilisant des ondes électromagnétiques autres que les ondes radio
33.
LUMINAIRE FOR DETECTING AT LEAST ONE MOBILE DEVICE
The invention relates to a luminaire for detecting at least one mobile device, the luminaire (1) comprising a lighting module (13) suitable for supplying lighting (R) in a predetermined lighting area, said lighting (R) being a function of at least one lighting parameter (I, C) defined by the lighting module (13); a detection module (11) suitable for wirelessly receiving at least one signal (ID) for detecting a mobile device located in said lighting area; and a control module (12) suitable for modifying the lighting parameter (I, C) of the lighting module (13) in accordance with the number of detection signals received.
The subject of the invention is an entity (1) for mobile apparatus, this entity comprising transmit-receive means Li-Fi (9, 10) linked to a male jack connector (12) intended to be engaged in a female jack connector of the mobile apparatus, this entity comprising a protective shell carrying the male jack connector (12) and the transmit-receive means Li-Fi (9, 10). The shell is shaped so as to be able to jointly engage the male jack connector (12) into the female jack connector and to snap fasten onto the mobile apparatus in such a way as form a whole together with this mobile apparatus.
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
H04M 1/02 - Caractéristiques de structure des appareils téléphoniques
The invention relates to a sound reproduction device on the one hand comprising a transmitter element (100) that comprises: a base (102a) for adapting it in a bush, a receptacle (102b) for receiving at least one light transmitter, a storage medium reader (103) suitable for containing sound files, and a control module (107) for generating a control signal for the light transmitter incorporating a switch established from data contained in the sound files, such that the light transmitter transmits a switched light signal in response to the control signal. Additionally, the device comprises a receiver element (200) that includes a light sensor (202) sensitive to the switched light signal transmitted by the bulb, a control module (205) able to convert the detected switched light signal into an electrical signal, and a sound transmitter (206) able to transmit a sound in response to the electrical signal.
09 - Appareils et instruments scientifiques et électriques
11 - Appareils de contrôle de l'environnement
38 - Services de télécommunications
Produits et services
Navigation, guidance, tracking, targeting and map making devices; Optical devices, enhancers and correctors; Information technology and audiovisual equipment. Lighting and lighting reflectors. Telecommunication services.
09 - Appareils et instruments scientifiques et électriques
11 - Appareils de contrôle de l'environnement
38 - Services de télécommunications
Produits et services
Apparatus for recording, transmission or reproduction of sound or images; Supports magnetic recording discs; equipment telecommunication transmitters telecommunications Lighting (ballast-devices). Lighting, luminous tubes for lighting; Diodes [LEDs] (lighting fixtures -). Information services relating to telecommunications; Information Telecommunications Services; transmission and reception of data via telecommunications services telecommunications services in mobile networks, telecommunications services, namely, personal communication services, Telecommunications Services; telecommunications connections to a global computer network.
