CN1832631A - Earphone with USB plug - Google Patents
Earphone with USB plug Download PDFInfo
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- CN1832631A CN1832631A CN 200510053817 CN200510053817A CN1832631A CN 1832631 A CN1832631 A CN 1832631A CN 200510053817 CN200510053817 CN 200510053817 CN 200510053817 A CN200510053817 A CN 200510053817A CN 1832631 A CN1832631 A CN 1832631A
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Abstract
An earphone with USB plug is composed of an earphone at one end, an audio connector at the other end and a transmission line, in which, the audio plug on the connector is divided into four electricly independent sections: two signal connecting ends, an earth connecting end and a control signal connecting end, the USB connector is set on the transmission line, the data line of the USB is multiplex with the signal line of the connector, the earth connecting end is connected with that of the USB and the control line of the connector is multiplex with the supply line of the USB connector.
Description
Technical field
The present invention relates to a kind of earphone, especially a kind of earphone that has USB plug.
Background technology
At present, the various portable mobile electronic products that are widely current on the market are as music player, walkman, mobile phone, portable recorder etc.No matter be the mobile phone radiation proof, or listoning music player, especially some microminiaturized electronic products, loud speaker not being set on the body, need play by earphone, therefore increasing people use earphone.Existing earphone major part only has playing function, connects earphone and audio jack by transmission line; Perhaps use to have wire-controlled apparatus and can carry out the line control earphone that remote equipment is controlled, existing wire-controlled apparatus self has the signal handling button, and the input of data-signal and control signal, output line interface line.Though made things convenient for operation, these wire-controlled apparatus product ubiquities the shortcoming of function singleness, can not satisfy the demand that people carry out exchanges data, storage at any time.And existing earphone only has an audio jack, interface is single, can't be with the interface compatibility of multiple portable mobile electronic product, so order wire of the standard interface of having to singly join in addition, the cost of the equipment peripheral hardware of Zeng Jiaing so not only, and, give to use also to increase inconvenience because various component functions are single, and integrated level is low.Simultaneously, existing various device usually all both can be from other data source data download, also the transfer of data of its storage can be stored in other memories, as be sent in the computer and preserve, when carrying out the transmission of data, need special-purpose interface to be connected with other data sources or memory, comparatively general interface is a USB interface at present.And the prior USB plug mostly is and exposes design, deposit with use in all pollute easily and damage.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, a kind of earphone that has USB plug is provided, it is made up of the earphone of an end and the audio connector and the transmission line of the other end, audio frequency attachment plug is divided into electric independently four sections, and the control line of audio connector and the power line of USB connector are multiplexing.
Another object of the present invention is at the deficiencies in the prior art, a kind of earphone that has USB plug is provided, the USB plug on this earphone can adopt stretching structure to hide form it is protected, and is simple in structure and easy to use.
Another purpose of the present invention is at the deficiencies in the prior art, a kind of earphone that has USB plug is provided, this earphone not only can carry out traditional wired controlling to supporting electronic product, also have concurrently simultaneously and the direct connecting interface of computer, be convenient to become data channel, finish the requirement of transfer of data; Be provided with memory module in this device, can store some easily at any time and finish data communication, as mobile memory.
To achieve these goals, the invention provides a kind of earphone that has USB plug, it is made up of the earphone of an end and the audio connector and the transmission line of the other end, the audio frequency attachment plug that is provided with on the described audio connector is divided into electric independently four sections, is followed successively by two audio signal links, audio frequency ground link and control signal link; Described transmission line is provided with USB connector, and the data wire of USB connector and the holding wire of audio connector are multiplexing, and the ground link of audio connector is connected with the ground link of USB connector, and the control line of audio connector and the power line of USB connector are multiplexing.
Described transmission line is provided with tandem portion, in the tandem portion USB connector is set, and the earpiece audio holding wire partly goes out from this tandem.Be provided with control switching circuit in this tandem portion, this circuit comprises diverter switch and testing circuit, and diverter switch was normally closed when audio connector floated sky; Insert the USB mouth of peripheral hardware, testing circuit detects change in voltage, the loop between diverter switch automatic disconnection USB connector and the audio jack.
Also be provided with the card reading module that can read storing card data in the described tandem portion, described tandem portion body is provided with card inserting mouth.Be provided with control circuit in the described tandem portion, tandem portion body is provided with the control button that is used for controls playing, tandem portion body is provided with standard data interface, described control circuit comprises the read-write controller that is connected with standard data interface, and the transmission line that the output end is connected with comprises this interface signal line and read-write controller mouth line.This standard data interface is for being convexly equipped with or recessed structure.Described read-write controller output connects memory module, and this memory module is independent the setting, but has the end that is connected with read-write controller interface plug in the body, and this end has data exchange interface.This memory module is a flash memory module.Control button on the body comprises the storage control switch, this switch connection control circuit.
In order to protect USB attachment plug; tandem portion comprises housing and extrusome; the end of extrusome is provided with USB attachment plug, and housing is set in the outside of extrusome, and offers through hole at tail end; the transmission electric wire is located in this through hole; housing is set in the outside of extrusome, and the extrusome upper surface is provided with lug boss, and the housing upper surface is offered chute; this lug boss is embedded in chute and along this chute and slides, and it is flexible in housing to drive extrusome.
Use for convenience with being connected of other equipment, the USB attachment plug on the USB connector is plug-type or socket-type; And this USB attachment plug can also be big plug or small plug.
Above-mentioned USB connector comprises printed circuit board (PCB) and the USB interface connecting plate that is wholely set, printed circuit board (PCB) is arranged on connector body inside, the USB interface connecting plate is convexly set in connector body and forms laminar USB attachment plug with the drain pan that convexedly stretches in connector body, connecting plate is provided with the metal terminal group, this metal terminal group is made up of a plurality of sheet metals that are used for being connected with USB slot internal electron signal, this sheet metal is connected with printed circuit board (PCB), forms circuit loop; The convex raised line fender bracket that is provided with in described USB attachment plug drain pan two sides; The USB interface connecting plate is embedded on drain pan, and the one side that has a metal terminal group upwards is exposed face; The size of this laminar USB attachment plug and USB electric wire slot inner space measure-alike.
The scope that is provided with of sheet metal is identical with the length of the USB interface connecting plate that protrudes out, and the length of sheet metal is more than or equal to the length that is electrically connected contact in the USB slot.Described metal terminal group is two groups, and one group is four sheet metals, successively with the USB connecting portion in power line, two data lines link to each other with ground wire; One group is two sheet metals, is connected with two audio signal wires of audio frequency connecting portion.
Use for convenience, audio frequency attachment plug can be adopted audio jack or audio socket.
In sum, the invention provides a kind of earphone that has USB plug, it is made up of the earphone of an end and the audio connector and the transmission line of the other end, and audio frequency attachment plug is divided into electric independently four sections, and the control line of audio connector and the power line of USB connector are multiplexing; USB plug on this earphone can adopt stretching structure to hide form it is protected, and is simple in structure and easy to use; This earphone not only can carry out traditional wired controlling to supporting electronic product, also has concurrently simultaneously and the direct connecting interface of computer, is convenient to become data channel, finishes the requirement of transfer of data; Be provided with memory module in this device, can store some easily at any time and finish data communication, as mobile memory.
Below in conjunction with the drawings and specific embodiments technical scheme of the present invention is described in detail.
Description of drawings
Fig. 1 is the structural representation of state one of the present invention;
Fig. 2 is the structural representation of state two of the present invention;
Fig. 3 is a control circuit schematic diagram of the present invention;
Fig. 4 is laminar USB plug embodiment one structural representation of the present invention;
Fig. 5 is laminar USB plug embodiment two structural representations of the present invention;
Fig. 6 is Application Example one schematic diagram of the present invention;
Fig. 7 is Application Example two schematic diagrames of the present invention;
Fig. 8 is Application Example three schematic diagrames of the present invention;
Fig. 9 is Application Example four schematic diagrames of the present invention;
Embodiment
As shown in Figure 1 and Figure 2, be the structural representation of state one of the present invention and state two.As can be known, the present invention is a kind of earphone that has USB plug from Fig. 1, Fig. 2, and it is made up of the earphone 1 of an end and the audio connector 2 and the transmission line 3 of the other end, and earphone 1 both can be the two pass stereophone, also can be the mono headset of band microphone.The audio frequency attachment plug 21 that is provided with on the audio connector 2, this audio frequency attachment plug 21 is divided into electric independently four sections, is followed successively by two audio signal links, audio frequency ground link and control signal link; Transmission line 3 is provided with USB connector 4, the holding wire of the data wire of USB connector 4 and audio connector 2 is multiplexing, the ground link of audio connector 2 is connected with the ground link of USB connector 4, and the power line of the control line of audio connector 2 and USB connector 4 is multiplexing.
End at transmission line 3 is provided with tandem portion 5, and USB connector 4 is set in the tandem portion 5, and the earpiece audio holding wire is told from this tandem portion 5.Be provided with control switching circuit in this tandem portion 5, this circuit comprises diverter switch and testing circuit, and when inserting the USB mouth of peripheral hardware, its earphone will disconnect the loop between USB connector and audio jack automatically.
Also be provided with the card reading module that can read storing card data in the tandem portion 5, tandem portion 5 bodies are provided with card inserting mouth.Be provided with control circuit in this tandem portion 5, tandem portion 5 bodies are provided with the control button that is used for controls playing, tandem portion 5 bodies are provided with standard data interface, control circuit comprises the read-write controller that is connected with standard data interface, and the transmission line that the output end is connected with comprises this interface signal line and read-write controller mouth line.This standard data interface is for being convexly equipped with or recessed structure.Described read-write controller output connects memory module, and this memory module is independent the setting, but has the end that is connected with read-write controller interface plug in the body, and this end has data exchange interface.This memory module is a flash memory module.Control button on the body comprises the storage control switch, this switch connection control circuit.
As shown in Figure 1 and Figure 2; in order to protect USB attachment plug 41; tandem portion 5 comprises housing 51 and extrusome 52; the end of extrusome 52 is provided with USB attachment plug 41; housing 51 is set in the outside of extrusome 52; and offer through hole at tail end; transmission line 3 is located in this through hole; housing 51 is set in the outside of extrusome 52; extrusome 52 upper surfaces are provided with lug boss 53; housing 51 upper surfaces are offered chute 54, and this lug boss 53 is embedded in chute 54 and along this chute 54 and slides, and it is flexible in housing 51 to drive extrusome 52.
Use for convenience with being connected of other equipment, the USB attachment plug 41 on the USB connector is plug-type or socket-type; And this USB attachment plug 41 can also be big plug or small plug.
As shown in Figure 3, be control circuit schematic diagram of the present invention.As can be known from Fig. 3, P1 is the USB end, and P2 is the audio frequency end, between P1, P2 and SPK-L and SPK-R, a control switch is set, and circuit design is preferential with the USB mouth, when the floating sky of P1, control switch is normally closed, and this earphone is identical with common headphones, finishes the function of audio frequency output.When P1 has inserted the USB mouth, control switch will monitor the dividing potential drop of R1 and R2, and control switch is with automatic disconnection, and the D+ of P1 and D-will only connect P2, not disturbed by SPK-L and SPK-R, otherwise, extract the USB mouth as P1, control switch will close, and SPK-L and SPK-R will insert, and be communicated with P2.
Simultaneously, as shown in Figure 3, the one earphone can also be made into a microphone, can become the mono headset of a band microphone, can follow the supporting use of electronic equipment of the two-way calls such as mobile phone of band USB and audio-frequency multiplex interface easily.
As Fig. 4-shown in Figure 5, USB connector 4 comprises printed circuit board (PCB) and the USB interface connecting plate that is wholely set, printed circuit board (PCB) is arranged on connector body inside, the USB interface connecting plate is convexly set in connector body and forms laminar USB attachment plug 41 with the drain pan that convexedly stretches in connector body, connecting plate is provided with metal terminal group 42, this metal terminal group 42 is made up of a plurality of sheet metals that are used for being connected with USB slot internal electron signal, this sheet metal is connected with printed circuit board (PCB), forms circuit loop; The convex raised line fender bracket that is provided with in described USB attachment plug 41 drain pan two sides; The USB interface connecting plate is embedded on drain pan, and the one side that has a metal terminal group upwards is exposed face; The size of this laminar USB attachment plug and USB electric wire slot inner space measure-alike.
The scope that is provided with of sheet metal is identical with the length of the USB interface connecting plate that protrudes out, and the length of sheet metal is more than or equal to the length that is electrically connected contact in the USB slot.Described metal terminal group is two groups, and one group is four sheet metals, successively with the USB connecting portion in power line, two data lines link to each other with ground wire; One group is two sheet metals, is connected with two audio signal wires of audio frequency connecting portion.
Use for convenience, audio frequency attachment plug can be adopted audio jack or audio socket.
As shown in Figure 4, the metal terminal group 42 that is arranged in the USB attachment plug 41 is the printed wiring electrode that is printed on the printed substrate, and its layout is compatible to the electrode position in the standard USB slot.
As shown in Figure 5, be arranged on metal terminal group 42 in the USB attachment plug 41 with shown in Figure 4 different.Upper surface in USB attachment plug 41 offers groove, and metal terminal group 42 is embedded and forms metal electrode in groove, and its layout is compatible to the electrode position in the standard USB slot.
As Fig. 6-shown in Figure 9, be the schematic diagram of different application embodiment of the present invention.As shown in Figure 6, be the schematic diagram of Application Example one of the present invention.As can be known from Fig. 6, the earphone that has USB plug provided by the present invention can be connected with equipment such as PDA, MP3, and its audio connector 2 inserts in the respective electronic equipment 100, realize playing function, can also utilize USB attachment plug 41 to realize functions such as transfer of data simultaneously.
As shown in Figure 7, be the schematic diagram of Application Example two of the present invention.As can be known from Fig. 7, the earphone that has USB plug provided by the present invention, can be connected with corresponding electronic device 100 by audio connector 2, this electronic equipment 100 can be plurality of devices such as PDA, MP3, realizes the voice playing function by earphone provided by the present invention.Simultaneously, can also electronic equipment 100 and other electronic equipments 200 be coupled together, realize exchanges data and storage between the electronic equipment by USB attachment plug 41.These other electronic equipments 200 can be computer or the like.
As Fig. 8, shown in Figure 9, be the schematic diagram of Application Example three of the present invention and Application Example four.As can be known, the earphone that has USB plug provided by the present invention can be connected with mobile phone 300 equipment such as grade from Fig. 8, Fig. 9, and its audio connector 2 inserts in the mobile phone jack, both can realize monitor function, can realize playing function again simultaneously.As shown in Figure 9, can also mobile phone 300 and other electronic equipments 200 be coupled together, realize functions such as transfer of data simultaneously by USB attachment plug 41; These other electronic equipments 200 can be computer or the like.
In sum, the invention provides a kind of earphone that has USB plug, it is made up of the earphone of an end and the audio connector and the transmission line of the other end, and audio frequency attachment plug is divided into electric independently four sections, and the control line of audio connector and the power line of USB connector are multiplexing; USB plug on this earphone can adopt stretching structure to hide form it is protected, and is simple in structure and easy to use; This earphone not only can carry out traditional wired controlling to supporting electronic product, also has concurrently simultaneously and the direct connecting interface of computer, is convenient to become data channel, finishes the requirement of transfer of data; Be provided with memory module in this device, the storage in the supporting electronic equipment can be had to this in earphone of memory function, as mobile memory.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (16)
1, a kind of earphone that has USB plug, it is made up of the earphone of an end and the audio connector and the transmission line of the other end, it is characterized in that: the audio frequency attachment plug that is provided with on the described audio connector is divided into electric independently four sections, is followed successively by two audio signal links, audio frequency ground link and control signal or USB power connector end; Described transmission line is provided with USB connector, and the data wire of USB connector and the holding wire of audio connector are multiplexing, and the ground link of audio connector is connected with the ground link of USB connector, and the control line of audio connector and the power line of USB connector are multiplexing.
2, the earphone that has USB plug according to claim 1, it is characterized in that: described transmission line is provided with tandem portion, in the tandem portion USB connector is set, and the earpiece audio holding wire partly goes out from this tandem.
3, the earphone that has USB plug according to claim 2 is characterized in that: be provided with control switching circuit in the described tandem portion, this circuit comprises diverter switch and testing circuit, audio connector floating when empty diverter switch normally closed; Insert the USB mouth of peripheral hardware, testing circuit detects change in voltage, the loop between diverter switch automatic disconnection USB connector and the audio jack.
4, the earphone that has USB plug according to claim 2 is characterized in that: also be provided with the card reading module that can read storing card data in the described tandem portion, described tandem portion body is provided with card inserting mouth.
5, the earphone that has USB plug according to claim 2, it is characterized in that: be provided with control circuit in the described tandem portion, tandem portion body is provided with the control button that is used for controls playing, tandem portion body is provided with standard data interface, described control circuit comprises the read-write controller that is connected with standard data interface, and the transmission line that the output end is connected with comprises this interface signal line and read-write controller mouth line.
6, the earphone that has USB plug according to claim 5 is characterized in that: described standard data interface is for being convexly equipped with or recessed structure.
7, the earphone that has USB plug according to claim 5, it is characterized in that: described read-write controller output connects memory module, this memory module is independent the setting, but has the end that is connected with read-write controller interface plug in the body, and this end has data exchange interface.
8, the earphone that has USB plug according to claim 7 is characterized in that: described memory module is a flash memory module.
9, according to claim 5 or 6 or the 7 or 8 described earphones that have USB plug, it is characterized in that: the control button on the body comprises the storage control switch, this switch connection control circuit.
10, according to claim 1 or 2 or 3 or the 4 or 5 described earphones that have USB plug, it is characterized in that: described tandem portion comprises housing and extrusome, the end of extrusome is provided with USB attachment plug, housing is set in the outside of extrusome, and offer through hole at tail end, the transmission electric wire is located in this through hole, housing is set in the outside of extrusome, the extrusome upper surface is provided with lug boss, the housing upper surface is offered chute, this lug boss is embedded in chute and along this chute and slides, and it is flexible in housing to drive extrusome.
11, according to claim 1 or 2 or 3 or the 4 or 5 described earphones that have USB plug, it is characterized in that: described USB connector is provided with USB attachment plug, and this USB attachment plug is plug-type or socket-type.
12, the earphone that has USB plug according to claim 11 is characterized in that: described USB attachment plug is big plug or small plug.
13, according to claim 1 or 2 or 3 or the 4 or 5 described earphones that have USB plug, it is characterized in that: described USB connector comprises printed circuit board (PCB) and the USB interface connecting plate that is wholely set, printed circuit board (PCB) is arranged on connector body inside, the USB interface connecting plate is convexly set in connector body and forms laminar USB attachment plug with the drain pan that convexedly stretches in connector body, connecting plate is provided with the metal terminal group, this metal terminal group is made up of a plurality of sheet metals that are used for being connected with USB slot internal electron signal, this sheet metal is connected with printed circuit board (PCB), forms circuit loop; The convex raised line fender bracket that is provided with in described USB attachment plug drain pan two sides; The USB interface connecting plate is embedded on drain pan, and the one side that has a metal terminal group upwards is exposed face; The size of this laminar USB attachment plug and USB electric wire slot inner space measure-alike.
14, the earphone that has USB plug according to claim 13 is characterized in that: the scope that is provided with of described sheet metal is identical with the length of the USB interface connecting plate that protrudes out, and the length of sheet metal is more than or equal to the length that is electrically connected contact in the USB slot.
15, the earphone that has USB plug according to claim 14 is characterized in that: described metal terminal group is two groups, and one group is four sheet metals, successively with the USB connecting portion in power line, two data lines link to each other with ground wire; One group is two sheet metals, is connected with two audio signal wires of audio frequency connecting portion.
16, according to claim 1 or 2 or 3 or the 4 or 5 described earphones that have USB plug, it is characterized in that: described audio frequency attachment plug is audio jack or audio socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005100538176A CN1832631B (en) | 2005-03-11 | 2005-03-11 | Earphone with USB plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005100538176A CN1832631B (en) | 2005-03-11 | 2005-03-11 | Earphone with USB plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1832631A true CN1832631A (en) | 2006-09-13 |
| CN1832631B CN1832631B (en) | 2010-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005100538176A Expired - Fee Related CN1832631B (en) | 2005-03-11 | 2005-03-11 | Earphone with USB plug |
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| US7699664B2 (en) | 2007-02-07 | 2010-04-20 | Yungs Group, Inc. | Multipurpose accessory for portable multimedia device |
| CN101207255B (en) * | 2006-12-19 | 2010-09-29 | 鸿富锦精密工业（深圳）有限公司 | Audio signal switching device |
| CN101207256B (en) * | 2006-12-20 | 2010-09-29 | 鸿富锦精密工业（深圳）有限公司 | Audio signal switching device |
| US7896707B2 (en) | 2007-01-05 | 2011-03-01 | Ensky Technology (Shenzhen) Co., Ltd. | Audio signal switcher |
| CN102143266A (en) * | 2011-02-18 | 2011-08-03 | 深圳桑菲消费通信有限公司 | Method for extending universal serial bus (USB) interface of mobile terminal into serial communication interface |
| CN102201827A (en) * | 2011-06-15 | 2011-09-28 | 北京天地融科技有限公司 | Audio signal receiving and switching device and audio signal transmission system |
| CN102201826A (en) * | 2011-06-15 | 2011-09-28 | 北京天地融科技有限公司 | Audio signal switching and receiving device and audio signal transmission system |
| CN101212112B (en) * | 2006-12-28 | 2011-09-28 | 鸿富锦精密工业（深圳）有限公司 | Video signal switching device |
| WO2012009984A1 (en) * | 2010-07-23 | 2012-01-26 | 惠州Tcl移动通信有限公司 | Method and device for sharing micro-usb interface between earphone and usb |
| CN101419484B (en) * | 2007-10-24 | 2012-05-16 | 鸿富锦精密工业（深圳）有限公司 | Composite audio interface cabinet |
| CN104066028A (en) * | 2014-06-19 | 2014-09-24 | 深圳市中兴移动通信有限公司 | Communication method based on headset jack and terminal device |
| WO2015192776A1 (en) * | 2014-06-18 | 2015-12-23 | 王玮冰 | Earphone with usb adapter |
| CN105338445A (en) * | 2014-06-26 | 2016-02-17 | 展讯通信（上海）有限公司 | Signal transmission device, method and mobile terminal |
| CN105703185A (en) * | 2016-02-18 | 2016-06-22 | 北京小米移动软件有限公司 | Signal transmission method, signal transmission device and adapter connecting head |
| CN106714030A (en) * | 2015-07-23 | 2017-05-24 | 杭州纳雄科技有限公司 | Earphone circuit |
| CN107615775A (en) * | 2015-05-15 | 2018-01-19 | 华为技术有限公司 | Method, terminal and the noise cancelling headphone of noise cancelling headphone are set |
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| CN101207255B (en) * | 2006-12-19 | 2010-09-29 | 鸿富锦精密工业（深圳）有限公司 | Audio signal switching device |
| CN101207256B (en) * | 2006-12-20 | 2010-09-29 | 鸿富锦精密工业（深圳）有限公司 | Audio signal switching device |
| CN101212112B (en) * | 2006-12-28 | 2011-09-28 | 鸿富锦精密工业（深圳）有限公司 | Video signal switching device |
| US7914339B2 (en) | 2007-01-05 | 2011-03-29 | Ensky Technology (Shenzhen) Co., Ltd. | Audio signal switcher |
| US7914340B2 (en) | 2007-01-05 | 2011-03-29 | Ensky Technology (Shenzhen) Co., Ltd. | Audio signal switcher |
| US7914341B2 (en) | 2007-01-05 | 2011-03-29 | Ensky Technology (Shenzhen) Co., Ltd. | Audio signal switcher |
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| US7896707B2 (en) | 2007-01-05 | 2011-03-01 | Ensky Technology (Shenzhen) Co., Ltd. | Audio signal switcher |
| US7699664B2 (en) | 2007-02-07 | 2010-04-20 | Yungs Group, Inc. | Multipurpose accessory for portable multimedia device |
| CN101419484B (en) * | 2007-10-24 | 2012-05-16 | 鸿富锦精密工业（深圳）有限公司 | Composite audio interface cabinet |
| US9414147B2 (en) | 2010-07-23 | 2016-08-09 | Huizhou Tcl Mobile Communication Co., Ltd. | Method and device for earphone and USB to share micro-USB interface |
| WO2012009984A1 (en) * | 2010-07-23 | 2012-01-26 | 惠州Tcl移动通信有限公司 | Method and device for sharing micro-usb interface between earphone and usb |
| CN102143266A (en) * | 2011-02-18 | 2011-08-03 | 深圳桑菲消费通信有限公司 | Method for extending universal serial bus (USB) interface of mobile terminal into serial communication interface |
| US9923607B2 (en) | 2011-03-30 | 2018-03-20 | Sony Corporation | Input/output apparatus having an identification terminal |
| WO2012171496A1 (en) * | 2011-06-15 | 2012-12-20 | 天地融科技股份有限公司 | Audio signal receiver, adapter device and audio signal transmission system |
| CN102201826B (en) * | 2011-06-15 | 2014-02-05 | 天地融科技股份有限公司 | Audio signal switching and receiving device and audio signal transmission system |
| CN102201827B (en) * | 2011-06-15 | 2014-02-19 | 天地融科技股份有限公司 | Audio signal receiving and switching device and audio signal transmission system |
| US9344790B2 (en) | 2011-06-15 | 2016-05-17 | Tendyron Corporation | Audio signal receiving device, audio signal adapter device and system for transmitting audio signal |
| CN102201827A (en) * | 2011-06-15 | 2011-09-28 | 北京天地融科技有限公司 | Audio signal receiving and switching device and audio signal transmission system |
| CN102201826A (en) * | 2011-06-15 | 2011-09-28 | 北京天地融科技有限公司 | Audio signal switching and receiving device and audio signal transmission system |
| WO2015192776A1 (en) * | 2014-06-18 | 2015-12-23 | 王玮冰 | Earphone with usb adapter |
| CN104066028A (en) * | 2014-06-19 | 2014-09-24 | 深圳市中兴移动通信有限公司 | Communication method based on headset jack and terminal device |
| CN105338445A (en) * | 2014-06-26 | 2016-02-17 | 展讯通信（上海）有限公司 | Signal transmission device, method and mobile terminal |
| CN107615775A (en) * | 2015-05-15 | 2018-01-19 | 华为技术有限公司 | Method, terminal and the noise cancelling headphone of noise cancelling headphone are set |
| CN107615775B (en) * | 2015-05-15 | 2020-02-14 | 华为技术有限公司 | Method and terminal for setting noise reduction earphone and noise reduction earphone |
| CN106714030A (en) * | 2015-07-23 | 2017-05-24 | 杭州纳雄科技有限公司 | Earphone circuit |
| CN106714030B (en) * | 2015-07-23 | 2022-03-08 | 杭州纳雄科技有限公司 | Earphone circuit |
| CN105703185A (en) * | 2016-02-18 | 2016-06-22 | 北京小米移动软件有限公司 | Signal transmission method, signal transmission device and adapter connecting head |
| CN109068223A (en) * | 2018-09-13 | 2018-12-21 | Oppo（重庆）智能科技有限公司 | Electroacoustic device |
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