The present invention provides a Bluetooth wireless earphone, comprising an earbud (1), a connection line (2) and a control board (3). The earbud (1) comprises an earbud head (5) and an earbud handle (4). By means of the design of the present invention, when the Bluetooth wireless earphone is used, the connection line of the ear-mounted Bluetooth wireless earphone is hung on an ear, so that discomfort caused to the ear by an earbud due to earphone gravity in the prior art is alleviated, and the problem that the earbud is easy fall off from the ear is solved. When the Bluetooth wireless earphone is not used, the wrist type Bluetooth wireless earphone can be worn on a wrist, and therefore, the wrist type Bluetooth wireless earphone can be found easily and has a beautiful appearance. The Bluetooth wireless earphone is sturdy and durable, has a stylish appearance, satisfies requirements of modern people for visually aesthetic properties of an earphone, and attracts the attention of consumers, and helps to improve the market competitiveness.
A differential output digital buffer and a control method therefor. The differential output digital buffer comprises a controller, inductor L, capacitor CL, switching transistor SW1, switching transistor SW2, switching transistor SW3, switching transistor SW4, and switching transistor SW5. The controller is used for detecting a current passing through inductor L and controlling the turning on/off of switching transistor SW1, switching transistor SW2, switching transistor SW3, switching transistor SW4, and switching transistor SW5. A first end and a second end of the capacitor CL serve as either output end of the differential output digital buffer. By utilizing LC oscillation, a differential signal is driven losslessly, power consumption of the differential output digital buffer is reduced, and the goal of highly efficient transmission of a wired differential voltage signal is achieved.
A power supply device and a control method therefor. An energy extraction unit, a voltage detector and a data and detection result integration unit are added in a slave terminal. The energy extraction unit extracts electric energy from a master terminal, the voltage detector detects the electric energy, the data and detection result integration unit integrates the voltage state information, a slave single-wire data transceiver feeds back the voltage state information to the master terminal, and a data detection and processing unit of the master terminal detects and processes the voltage state information. In this way, the width of the power supply time of the master terminal is correspondingly adjusted, closed-loop power supply is realized, and the ripples and noises in the power source of the slave terminal are reduced.
A load capacitor driver and a driving method therefor. Multi-step driving charging is performed on a load capacitor (CL) by using an inductor (L). Because multi-step driving charging is approximate to constant current charging, and in a charging process, consumed power on a parasitic resistor that is connected in series in a current loop can be less, and the efficiency can be improved. Because a small inductor may be used in multi-step driving charging, the size of the inductor can be reduced and even the inductor is integrated with an integrated circuit. Because a current set-up time of the small inductor is short, a higher driving speed can be obtained. According to the driver and the driving method, the load capacitor can be rapidly and efficiently charged, and required induction is relatively small, so that costs can be reduced, the size can be reduced, it is possible to implement on-chip integration on the inductor, and further, the costs are reduced and the size of the driver is reduced.
H02M 3/07 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu sans transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des résistances ou des capacités, p. ex. diviseur de tension utilisant des capacités chargées et déchargées alternativement par des dispositifs à semi-conducteurs avec électrode de commande
A power supply device and a working method thereof. The device comprises a power supply E, a DC-DC converter (1), a data output buffer (2), and a voltage detector (3). The power supply E is used to supply power to the DC-DC converter (1) and the data output buffer (2). The DC-DC converter (1) is used to convert a voltage output by the power supply E and then supply power to a load. The voltage detector (3) is used to detect an output voltage of the DC-DC converter (1), and when it is detected that the output voltage is higher than an upper limit value or is lower than a lower limit value, the voltage detector (3) controls the DC-DC converter (1) to be disconnected from the load, detects a voltage at a load end, and controls the data output buffer (2) to output a voltage and supply power to the load. The device can use the data output buffer to implement the function of a backup power supply converter, and effectively reduces costs.
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
A switching power supply and a working method thereof. The switching power supply comprises a controller (1), a voltage and current detection module (2), a voltage input port (3), a voltage output port (4), a data input port (5), a data output port (6), a switch tube SW1, a switch tube SW2, a switch tube SW4, a switch tube SW5, an inductor L, a capacitor C1, and a capacitor C2. The switch tube SW1, the switch tube SW2, the switch tube SW4, the switch tube SW5, the inductor L, the capacitor C2, the voltage and current detection module, and the controller form a conventional switching power supply part. The switch tube SW1, the switch tube SW2, the switch tube SW4, the inductor L, the capacitor C1, the voltage and current detection module, and the controller form a data sending part. The switching power supply can transmit data in a power supply interval, thereby implementing the function of a data output buffer and effectively reducing costs.
H02M 3/10 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu sans transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande
Disclosed is an earphone, comprising: an earphone plug; earplugs; a connection wire, the earphone plug and the earplugs being connected with each other via the connection wire, and the connection wire being provided with a wire splitter thereon; and at least one additional component capable of performing an additional function, the additional component and the wire splitter being detachably mounted. In the earphone of the present invention, the additional component and the wire splitter are detachably mounted to integrate the additional function in the auxiliary component, thus realizing selective application of multiple functions, and improving device integration level.
Disclosed is an earphone. The earphone comprises: a plug; earbuds; a connection line connecting the plug and the earbuds and being provided with a line splitter thereon; at least one auxiliary function module capable of executing an auxiliary function, the auxiliary function module being fixed on or embedded within the line splitter, the auxiliary function being a non-audio function; and an interface conversion module for bi-directionally converting a signal on the connection line into a signal required by the auxiliary function module, the interface conversion module being electrically connected to the auxiliary function module and the plug respectively, thus the auxiliary function is integrated on the connection line, realizing an application selecting from among multiple functions, thus improving the level of integration of a device; and when the earphone is in use, the line splitter is located in front of the chest of a user, facilitating the use of the auxiliary function.
Disclosed is an earphone having a rolling bag, comprising an audio cable; two ends of the audio cable are electrically connected to a plug and an earplug, and the audio cable is provided with a control board thereon electrically connected to the plug and the earplug and also provided with a flexible and elastic rolling bag having two ends fixedly connected to the audio cable, and excluding the two ends, a center section of the rolling bag wraps the audio cable in the rolling bag and tightly hugs the audio table. The present invention has a simple structure, is easy to use and has a low cost; the present invention allows the earphone to be convenient and easy to carry and store, and the audio cable is not tangled, thus being easy to use and accommodate.
Disclosed is an earphone having an accommodation ring, and the earphone comprises an audio line. Two ends of the audio line are electrically connected to a plug and an earplug. A control board is provided on the audio line, and the control board is electrically connected to the plug and the earplug. An elastic retractable accommodation ring is provided on the audio line. Having a simple structure, low cost and being convenient to use, the present invention enables the earphone to be conveniently and easily carried and stored without an intertwined audio line, thus facilitating use and accommodation.
Disclosed are a power supply management apparatus and an energy recovery method therefor. The apparatus comprises a controller (1), a current detection module (2), a voltage detection module (3), a power supply (E1), an inductor (L1), a capacitor (C1), a first switch tube (S1) and a second switch tube (S2), wherein a positive electrode of the power supply (E1) is electrically connected to one end of the first switch tube (S1); the other end of the first switch tube (S1) is electrically connected to one end of the second switch tube (S2), one end of the inductor (L1) and the current detection module (2); the other end of the inductor (L1) is electrically connected to the voltage detection module (3), one end of the capacitor (C1) and a positive electrode of a load (4); a negative electrode of the power supply (E1), the other end of the second switch tube (S2), the other end of the capacitor (C1) and a negative electrode of the load (4) are all grounded; and the controller (1) is electrically connected to the first switch tube (S1), the second switch tube (S2), the current detection module (2), the voltage detection module (3) and the load (4), respectively. In the present invention, after being subjected to DC-DC conversion, a power supply can supply power to a load, and an electric quantity stored on a capacitor can be recovered in the case of not supplying the power, thereby preventing electric leakage and saving energy.
H02M 3/10 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu sans transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande
Disclosed is a Bluetooth earpiece. The Bluetooth earpiece comprises ear plugs, a connecting line and a first connector. One end of the connecting line is connected to the ear plugs and the other end of the connecting line is connected to the first connector. The first connector is used for inserting and removing. The first connector is inserted into another matching connector so that said Bluetooth earpiece is easy to carry.
Disclosed is a Bluetooth earphone, comprising: an earplug, a connection line and a control board; one end of the connection line is connected to the earplug, the other end of the connection line is connected to one end of the control board, and the earplug is detachably connected to the control board through an assembly structure. When the earplug and the control board are not connected, plugging the earplug into an ear of a user, and placing the control board in the vision range of the user at the same time, thus facilitating operation of the control board; when the earplug is connected to the control board through the assembly structure, the earplug and the control board are connected as an integrated structure; the Bluetooth earphone provided in the present invention is more user-friendly to use, and the user can select different states according to different use occasions.
Disclosed in the present invention is a bluetooth earpiece comprising an earbud, a connection line, a first interface and a second interface, said first interface being located on the earbud, one end of said connection line being connected to the earbud and the other end of said connection line being connected to the second interface; a signal connection between the first interface and the second interface is used for data transmission between said two interfaces, thus allowing data to be transmitted between said two interfaces and realizing an organic integration of the bluetooth earpiece and a data line, increasing the degree of integration of the device and economizing materials in an environmentally-friendly way.
The present invention relates to a headset having a modular control panel, the headset comprising a headset control primary panel and one or a plurality of function attachment panels, a function attachment panel being connected to the headset control primary panel via a standard interface. The headset control primary panel comprises a line control device, a single-line multi-line converter, a power supply extraction and management module, a microphone, a microphone line, a ground line, a left earphone line and a right earphone line. The line control device, the single-line multi-line converter, the power supply extraction and management module and the microphone are respectively connected to the microphone line, the left earphone line and the ground line are connected to a left earphone, the right earphone line and the ground line are connected to a right earphone, and the microphone line, the ground line, the left earphone line and the right earphone line are connected to an audio jack of an electronic device. The power supply extraction and management module is connected to the left earphone line, the single-line multi-line converter is connected to an SPI/I2C bus interface, the power supply extraction and management module is connected to an operating power supply line VDD interface and a VBAT charging interface, and the left earphone line is connected to a left earphone line interface. The present invention modularises and platformises the control panel of the headset, significantly increasing the extensibility of headset functions.
The present invention relates to a headset control panel having an alert device, the headset control panel comprising a power supply module, an alert module, a single line control device, a microphone module and a display module. The display module is respectively connected to the power supply module, the alert module and the single line control device via a control bus, the microphone module is connected to a microphone line, the microphone line is respectively connected to the single line control device and the power supply module, the power supply module is connected to a left earphone line and a right earphone line, the microphone line, the left earphone line and the right earphone line are respectively connected to a headset audio jack, the headset audio jack is also connected to a ground line, the ground line and the left earphone line are connected to a left earphone, the ground line and the right earphone line are connected to a right earphone, and the headset audio jack is connected to an electronic device using the headset. The headset is provided with a small display, the small display has low power consumption, a user is able to complete basic functions of a mobile phone of receiving incoming call signals and text messages without waking up a large screen of a host, and power consumption of the electronic device host is conserved. The present invention is green and environmentally friendly.
The present invention relates to the technical field of headphones, and specifically relates to a headset which is capable of displaying incoming call information of a communication device and textual or graphical information sent by the communication device, and which has an alert device. The headset comprises a main audio line, and an audio jack and a left earphone and a right earphone respectively connected at two ends of the main audio line, the left earphone or the right earphone is connected to a microphone control panel, a front surface of the microphone control panel is provided with a volume level adjustment button and a sound output button, and a back surface of the microphone control panel is provided with an alert device used for displaying incoming call information of a communication device connected to the audio jack and textual or graphical information sent by the communication device. The headset is provided with a small display, the small display has low power consumption, a user is able to complete basic functions of a mobile phone of receiving incoming call signals and text messages without waking up a large screen of a host, power consumption of the communication device host is conserved, and the headset is green and environmentally friendly.
Provided is a multifunctional earphone. The multifunctional earphone has multiplexed functions of some of the function devices of both a wired earphone and a wireless earphone so as to enable the wired earphone and the wireless earphone to be effectively combined together, which is convenient to carry, allows raw materials to be saved, and is flawless in terms of butt joint of the appearance. The multifunctional earphone can not only meet a demand that modern people care about the visual sense of beauty in terms of the appearance of an earphone, but also can meet a demand that people need wireless earphones in special occasions. Therefore, the multifunctional earphone provided by the present invention has the advantages that the multifunctional earphone can be produced on a large scale, and has a wide market prospect for earphone popularization.
The present invention relates to the technical field of earphones, and comprises a main audio cable, and an audio plug and left and right earbuds, connected to the two ends of the main audio cable, respectively; a left earbud and a right earbud are connected to a left control board and a right control board, respectively; the left control board and right control board are each provided with a volume increase button, a volume decrease button, and a sound output button; the left control board and right control board are each internally provided with a microphone, an audio-in jack, and a wired remote control chip. The present invention has diverse functions, and is convenient to carry and use.
Provided are earphones having a modular control board, comprising a main audio cable (1); one end of the main audio cable (1) is connected to an audio plug (2); the other end of the main audio cable (1) branches and is connected to a left earbud wire (3) and a right earbud wire (4); the end sections of the left earbud wire (3) and right earbud wire (4) are connected to a left earbud (5) and a right earbud (6), respectively; the left earbud wire (3) is provided with a main control board (7); the main control board (7) is internally provided with a microphone and a wired remote control chip; the front of the main control board (7) is provided with a volume increase button (7.1), a volume decrease button (7.2), and a sound signal access button (7.3); the back of the main control board (7) is connected to a plurality of free boards (8); the plurality of free boards (8) is removably stacked and connected; the back of the main control board (7) is provided with an audio-in jack. The extensibility of headset functions is greatly increased, while at the same time, the simple and stylish forms of existing headsets are maintained; user requirements are largely satisfied while materials are conserved, and the invention is green and environmentally friendly.
The present invention discloses a multisensory information headset circuit, comprising: an audio plug; a speaker assembly; a wired remote control, which receives the main machine signal emitted by the audio plug; according to the main machine signal, the wired remote control emits an activation signal and a control signal; an energy storage and drive unit, electrically connected to the audio plug and connected to the wired remote control signal, in order to receive the activation signal; according to the activation signal, the energy storage and drive unit emits a drive signal; and a multisensory information module, connected to the wired remote control signal in order to receive the control signal; the multisensory information module is connected to the energy storage and drive unit signal, in order to receive the drive signal. The present invention also discloses a multisensory information headset. In addition to transferring audio signals, the multisensory information headset also can emit sensory signals such as an olfactory signal and/or a visual signal, so as to facilitate the transmission of various information, and can be set in a personalized manner.
An interface patch cord (1) and standard modules (2) used in the interface patch cord. The interface patch cord (1) comprises a first interface (110), a second interface (120) and a pair of connection wires (131, 132). A terminal of each connection wire is connected to the first interface, and the other terminal of each connection wire is connected to the second interface. The first interface and the second interface achieve the signal transmission via at least one connection wire. The pair of connection wires includes a plurality of limiting structures (140) for assembling and disassembling the standard modules. The pair of connection wires also comprises multiple groups of connection terminals (160). Each limiting structure is corresponding to one group of connection terminals. When the standard modules are assembled in the limiting structures, the standard modules are connected with each other to achieve the selection application between multiple functions, thereby improving the integration level of a device.
A digital transmitter, a digital receiver and a control method therefor. The control method comprises: replenishing energy to an inductor (L) and a load capacitor (CL) by means of an electric energy replenishment circuit, completely transferring, by an electric energy transfer circuit, the electric energy of the inductor to the load capacitor, so as to non-destructively drive the load capacitor to a high level, then connecting the load capacitor to a first accentuator circuit, keeping a signal output at a high level of a low resistance, then transferring all electric energy on the load capacitor to the inductor by means of the electric energy transfer circuit, recovering the electric energy of the inductor onto a power source by means of an electric energy recovery circuit, so as to perform electric energy recovery while the load capacitor is driven, connecting the load capacitor to a second accentuator circuit, and keeping a signal output at a low level of a low resistance. By means of the method, non-destructive transmission of data 1 and data 0, reduction of working energy consumption of the power source and prolonging of the service life of the digital transmitter can be realized by non-destructively driving the load capacitor.
A quick-start digital output buffer and a control method therefor. The digital output buffer comprises a time sequence generator (1), a capacitor mismatch detector (2), a capacitor array controller (3), a switched capacitor array (4), a current detector (5), an inductor L, a load capacitor CL, a first switch tube SW1, a second switch tube SW2, a third switch tube SW3, a fourth switch tube SW4 and a fifth switch tube SW5, wherein the time sequence generator (1), the switched capacitor array (4), the inductor L, the load capacitor CL, the first switch tube SW1, the second switch tube SW2, the third switch tube SW3, the fourth switch tube SW4 and the fifth switch tube SW5 form a main circuit, the current detector (5) provides negative feedback for the main circuit, and the capacitor mismatch detector (2) and the capacitor array controller (3) form a control circuit for quickly starting the switched capacitor array. The digital output buffer is reduced in power consumption, can be quickly started, and has a quick response capacity to variation of the load capacitor.
Disclosed is an earphone having an air stylus, comprising an audio plug, earplugs and a control panel; the earplugs are connected to the audio plug via an audio line and the control panel; the control panel is provided with a microphone and a wire controller therein and a plurality of control keys thereon connected to the wire controller, and is further provided with an attitude detection module also connected to the control keys. The earphone has an air stylus, and can be used as an air mouse or write in the air in three-dimensional space or on a two-dimensional plane, while retaining the audio and speech functions of the earphone.
Disclosed is an audio transmission circuit. The audio transmission circuit includes an audio plug, at least one acoustic component and n subunits. Each subunit includes a first connection end and a second connection end. The first connection end is connected with the second connection end in each subunit. The second connection end of a previous subunit is selectively connected with the first connection end of a next subunit. A complete headset function is achieved when the signal conduction between the audio plug and the acoustic component is implemented via the subunits. At least one subunit includes a function module for accomplishing a preset function. Selection and application of a variety of functions is realized, thus improving the integration level of an apparatus.
A digital output buffer and the control method therefor are disclosed. The digital output buffer includes a timing generator(1), an integrator(2), a residual current detector(3), an energy storage device(4), an inductor L, a load capacitor CL, a first transistor SW1, a second transistor SW2 and a third transistor SW3. The energy storage device(4), the inductor L, the load capacitor CL, the first transistor SW1, the second transistor SW2 and the third transistor SW3 constitute the main circuit of the digital output buffer, and the integrator(2) and the residual current detector(3) constitute the negative feedback circuit of the digital output buffer. Thereby, the power consumption of the digital output buffer can be effectively reduced.
A headset having a stylus (5), comprising an audio plug (1) and two earbuds (3) connected to the audio plug (1) via an audio cable (2). Also, the earbuds (3) are connected to the audio plug (1) via a control board (4). One stylus (5) is provided on the control board (4). This implements a feature of the headset being provided with the stylus (5) and allows the headset to be used as the stylus (5), thus allowing functional diversification of the headset. Also, the stylus (5) is convenient to carry and not easily lost.
G06F 3/0354 - Dispositifs de pointage déplacés ou positionnés par l'utilisateurLeurs accessoires avec détection des mouvements relatifs en deux dimensions [2D] entre le dispositif de pointage ou une partie agissante dudit dispositif, et un plan ou une surface, p. ex. souris 2D, boules traçantes, crayons ou palets
31.
HEADSET INTERFACE CONTROL SYSTEM AND HEADSET INTERFACE CONTROL METHOD
A headset interface control system and a headset interface control method. The headset interface control system comprises: a host controller (10), a headset interface, and a slave conversion module (13). The host controller (10) configures the headset interface. The slave conversion module (13) is connected to the headset interface and converts a signal on the headset interface into a bus signal. The headset interface control system and method implement connection between a host and various devices via the headset interface, thus allowing functional diversification of the headset interface.
A portable patch cord comprises a data cable (10). Two ends of the data cable are respectively in connection with a pedestal (20), an end portion of one pedestal is in connection with an A-type USB male port (30), and an end portion of the other pedestal is in connection with a plug (40) capable of being inserted into the A-type USB male port. An end portion of the plug is in connection with a data interface (50) different from the A-type USB male port, and the data interface is capable of being inserted into the A-type USB male port. The patch cord has a simple structure and smart design; and the two ends of the data cable can be connected to form a ring structure that can be carried as a wristband, a bracelet, a wrist watch or a necklace in a rather portable way.
An earphone with a USB adapter comprises an audio plug (1) and two earplugs (3) in connection with the audio plug (1) through audio lines (2), wherein one earplug (3) is in connection with the audio plug (1) through a control panel (4), and the control panel (4) is provided with a USB adapter mechanism (5) for insertion of different USB ports. The earphone has the function of a USB adapter; the USB adapter is portable and not easy to get lost; and the USB adapter mechanism has ingenious design and is integrated with the control panel of the earphone.
An audio transmission device, comprising an audio plug (11); a sound assembly; a connection line (14) connected to the audio plug (11) and the sound assembly, wherein a control assembly (15) for controlling an audio signal is arranged in the connection line (14); an auxiliary assembly (16) capable of completing a preset function; and a buckling component (17), wherein the buckling component (17) is used for detachably buckling the auxiliary assembly (16) with the control assembly (15), or the buckling component (17) is used for detachably buckling the auxiliary assembly (16) with the connection line (14). The auxiliary assembly (16) can be buckled with the control assembly (15) or the connection line (14) by the buckling component (17), so that an additional preset function is integrated in the auxiliary assembly (16), thereby increasing the integration level of the audio transmission device.
An audio socket mechanism comprises a socket body (1) having a groove (2) for plugging of an audio plug (5) provided therein. Three sides of the groove (2) penetrate through side walls of the socket body (1) to form three openings. The groove (2) is provided with a plug fixing cover (3) capable of elastic deformation. When the audio plug (5) is plugged into the groove (2), the plug fixing cover (3) tightly wraps around the audio plug (5). The audio socket mechanism is a sheet-like structure when no plug is plugged in. When the audio plug is plugged in, only part of the plug fixing cover is thicken due to propping up of the audio plug. The audio socket mechanism is therefore especially suited for use in ultra thin cell-phones and a variety of wearable electronic devices.
An audio jack, comprising a jack body (1), a recessed groove (2) being disposed within said jack body, a plurality of spring plates (3) being disposed within said recessed groove, said spring plates being electrically connected to an electrode within the jack body, said jack body being a flat shape, and said recessed groove having at least two insertion holes (4) into which headphone plugs can be inserted or pushed. Provided is a flexible, super-thin audio jack into which traditional rigid audio plugs may be freely inserted, suitable for use in super-thin mobile telephones and portable electronic devices.
H01R 13/187 - Broches, lames ou alvéoles ayant un ressort indépendant pour produire ou améliorer la pression de contact le ressort étant dans l'alvéole
Disclosed is an audio transmission device comprising an audio plug, a first earplug, and a second earplug. The audio plug is connected respectively to the first earplug and the second earplug via a connecting cable. The connecting cable comprises a first segment and a second segment. A control board comprises an n-number of removable subparts. The control board is provided between the first segment and the second segment. When at least the first of the subparts and the nth of the subparts are assembled together, the first segment and the second segment are electrically conducted, thus allowing complete implementation of headset functions. At least one of the subparts comprises a functional module capable of completing preset functions and allows for implementation of selective application among various functions, thus increasing the degree of integration of the audio transmission device. Also provided in the present invention is an assembly block of the audio transmission device.
An audio transmission device comprising an audio plug (11), audio player components (12 and 13), a connecting cable (14) connected to the audio plug (11) and to the audio player components (12 and 13), a control component (15) provided on the connecting cable (14) for controlling the audio signal, an auxiliary component (16) for completing preset functions, and a connecting member (17) used for foldably interlocking the control component (15) and the auxiliary component (16). Headphones are integrated with at least one functional component, thus implementing selective or combined application among various functions, and increasing the degree of device integration.
The present invention relates to the technical field of position fixing devices for portable mobile products, and specifically relates to a mobile device reverse side case capable of fixing or suspending a portable mobile product at any required angle. The mobile device reverse side case comprises: a square case body (1), a front side of the case body (1) being provided with a fold-over edge (2) along the four sides of the front side, a reverse side of the case body being provided with at least three grooves (3) arranged in parallel, a deformable low-carbon steel wire (4) used for support or suspension being embedded within each groove (3). One end of each low-carbon steel wire (4) of the present invention is fixed within a groove (3), and the other end may be extended out from the groove (3). The end of each low-carbon steel wire (4) extending out of each groove (3) may be bent or rotated, a fixing point being taken as a centre, to form various shapes. It is easy to support or suspend the case body (1) at different angles, thereby achieving a variety of uses.
The present utility model relates to the technical field of peripheral audio devices of headphones or headsets etc., and specifically relates to a headphones control panel, comprising a square control box. Volume increasing/decreasing buttons and an answering button are provided on one side of the square control box, and a groove used for inlaying a steel wire is provided on an opposite side, a central portion of the groove being provided with a connecting bar. The present utility model is convenient to use, the overall structure is simple, and manufacturing costs are low.
