CN104572540A - Method for achieving USB transmission by multiplexing earphone interface and mobile terminal with multiplexing earphone interface - Google Patents
Method for achieving USB transmission by multiplexing earphone interface and mobile terminal with multiplexing earphone interface Download PDFInfo
- Publication number
- CN104572540A CN104572540A CN201510055513.7A CN201510055513A CN104572540A CN 104572540 A CN104572540 A CN 104572540A CN 201510055513 A CN201510055513 A CN 201510055513A CN 104572540 A CN104572540 A CN 104572540A
- Authority
- CN
- China
- Prior art keywords
- mode circuit
- usb
- mobile terminal
- interface
- universal input
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1025—Accumulators or arrangements for charging
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Headphones And Earphones (AREA)
- Telephone Function (AREA)
Abstract
The invention discloses a method for achieving USB transmission by a multiplexing earphone interface. The method comprises the following steps: integrating a USB mode circuit and an analog changeover switch on a mobile terminal earphone mode circuit, so that a universal input-output end can be switched between the USB mode circuit and the earphone mode circuit; receiving an insert interruption event in a mobile terminal; transmitting the insert interruption event to a superstratum by virtue of the mobile terminal; transmitting a corresponding command according to the insert interruption event by virtue of the superstratum; controlling the universal input-output end to be switched between the USB mode circuit and the earphone mode circuit by virtue of the analog changeover switch according to the corresponding command. The invention also discloses a mobile terminal with the multiplexing earphone interface. By adopting the mobile terminal, the insertion problem of the USB interface can be avoided, the share of the USB and earphone interface can be realized, an additional USB interface is not needed, and the entrance of the mobile terminal for dust can be reduced.
Description
Technical field
The present invention relates to a kind of multiplexing earphone interface used in mobile terminal situation and realize USB transmission.More particularly, the present invention relates to a kind of a kind of multiplexing earphone interface be used in mobile terminal situation realize the method for USB transmission and there is the mobile terminal of this interface.
Background technology
It is a lot of that current mobile terminal connects peripheral interface, and wherein USB interface is the most conventional.But present USB interface needs to distinguish anyway, so cause current user needs when insertion USB line to mobile terminal to have a look and could insert, operate so pretty troublesome, in addition, generalized case, the USB interface of current mobile terminal and earphone interface are in different positions, add the exposed interface of mobile terminal, dust easily enters mobile terminal from exposed interface and damages mobile terminal, even if the manufacturer terminal of some, the interface of design makes USB and audio frequency (earphone) interface on one interface, but the consequence of such design is, common earphone can not use on this mobile terminal, very not humane, common USB can not use on this mobile terminal simultaneously, this design is very restricted.
Summary of the invention
An object of the present invention is to solve at least the problems referred to above and/or defect, and the advantage will illustrated at least is below provided.
A further object of the invention is to provide a kind of method that multiplexing earphone interface realizes USB transmission, and it can realize USB transmission by multiplexing earphone interface when not increasing USB interface, and user need not consider that USB inserts problem anyway.
A further object of the invention is the mobile terminal with multiplexing earphone interface, integration USB mode circuit on headset mode circuit, switched by universal input output terminal and realize sharing of USB interface and earphone interface, decrease the interface of USB outward appearance, decrease the dust entrance of mobile terminal.
In order to realize according to these objects of the present invention and other advantage, provide a kind of method that multiplexing earphone interface realizes USB transmission, comprising:
Step one, on mobile terminal earphone mode circuit integration USB mode circuit and analog switch, make described analog switch control universal input output terminal and switch between described USB mode circuit and described headset mode circuit.
Step 2, mobile terminal inside accepts to insert interrupt event;
Step 3, mobile terminal send described insertion interrupt event to its upper strata;
Step 4, described upper strata send the corresponding command according to described insertion interrupt event;
Step 5, described analog switch control described universal input output terminal by the corresponding command and switch between described USB mode circuit and described headset mode circuit.
Preferably, wherein, also comprise described mobile terminal transmission types and inquire event and show a type and inquire interface dialog box step between described step 3 and step 4, what select to insert with standby user is ear speaker device or USB device.
Preferably, wherein, described step 5 specifically comprises: if when user is according to described type inquiry interface dialog box selection ear speaker device, described analog switch controls described universal input output terminal and connects headset mode circuit and send earphone insertion event to described mobile terminal system; If when user is according to described type inquiry interface dialog box selection USB device, described analog switch controls described universal input output terminal and connects USB mode circuit.
Preferably, wherein, described step 5 specifically comprises: if described mobile terminal system does not receive data transmission information order, then described analog switch controls described universal input output terminal connection headset mode circuit and send earphone to described mobile terminal system to insert event; Otherwise described analog switch controls described universal input output terminal and connects USB mode circuit.
Preferably, wherein, described universal input output terminal high level indicates and is switched to USB mode circuit, and described universal input output terminal low level mark is switched to headset mode circuit.
Preferably, wherein, described place type inquiry interface dialog box comprises ear speaker device and USB device options and determines or cancel button click.
Object of the present invention can further include a kind of mobile terminal with described multiplexing earphone interface, and this mobile terminal comprises:
Headset mode circuit, it comprises L channel, R channel, Mike and ground four hard wires;
USB mode circuit, it comprises the positive D+ of data, data minus D-, battery identification pin ID and ground four signal wiring lines;
Analog switch, it is connected to the central processing unit of described mobile terminal by controlling pin;
Universal input output terminal, it is connected to described analog switch, and described universal input output terminal switches between described headset mode circuit and described USB mode circuit in response to the control of described analog switch.
Preferably, wherein, described headset mode circuit " " hard wires and described USB mode circuit " " hard wires is shared.
Preferably, wherein, described universal input output terminal switches in response to the control of described analog switch and refers to and to switch between the positive D+ of data, the data minus D-and battery identification pin ID of the L channel of described headset mode circuit, R channel and Mike and described USB mode circuit between described headset mode circuit and described USB mode circuit.
The present invention at least comprises following beneficial effect:
1, realize USB transmission owing to achieving multiplexing earphone interface, user is without the need to considering that USB port inserts problem anyway again;
2, mobile terminal can realize USB and earphone interface and shares when not increasing external interface;
3, mobile terminal decreases the interface of USB outward appearance, decreases the entrance of mobile terminal dust;
4, owing to being integrated with USB mode circuit on headset mode circuit, easy switching, circuit space is saved;
5, the multiplexing earphone interface of mobile terminal is applied widely, more humane.
Part is embodied by explanation below by other advantage of the present invention, target and feature, part also will by research and practice of the present invention by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet that in one embodiment of the present of invention, multiplexing earphone interface realizes the method for USB transmission;
What Fig. 2 illustrated is the schematic diagram that multiplexing earphone interface realizes type inquiry interface in the method for USB transmission;
Fig. 3 is the structural representation of the circuit of mobile terminal in an alternative embodiment of the invention;
Fig. 4 is the structural representation of earphone interface in the multiplexing earphone interface of mobile terminal in an alternative embodiment of the invention;
Fig. 5 is the structural representation of USB interface in the multiplexing earphone interface of mobile terminal in an alternative embodiment of the invention;
Fig. 6 is the structural representation of the multiplexing earphone interface of mobile terminal for charging in an alternative embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail, can implement according to this with reference to instructions word to make those skilled in the art.
Fig. 1 shows a kind of way of realization of the method realizing USB transmission according to a kind of multiplexing earphone interface of the present invention, comprising:
Step one, on mobile terminal earphone mode circuit integration USB mode circuit and universal input output terminal, make described analog switch control universal input output terminal to switch between described USB mode circuit and described headset mode circuit, make multiplexing earphone interface conveniently realize USB transmission;
Step 2, mobile terminal inside accepts to insert interrupt event, and wherein said interrupt event is earphone interrupt event;
Wherein in an embodiment, described interrupt event is USB interrupt event.
Step 3, mobile terminal send described insertion interrupt event to its upper strata;
Wherein in an embodiment, described mobile terminal transmission types inquiry event also shows a type inquiry interface dialog box step as shown in Figure 2, with standby user selection insertion is ear speaker device or USB device, user-friendly selection, wherein, described type inquiry interface dialog box comprises ear speaker device and USB device options and determines and cancel button click.This mode is a kind of explanation of preferred embodiments, but is not limited thereto.When implementing of the present invention, can according to the enforcement aspect of user's demand handled easily;
Wherein in an embodiment, described mobile terminal system is without the need to ejecting display type inquiry interface dialog box, by whether receiving data transmission information order, mobile terminal can judge that interrupt event is that earphone inserts terminal or USB and inserts and interrupt automatically, mobile terminal is made to realize automatically identifying, user oneself is not needed to operate, more robotization, intelligent.
Step 4, described upper layer software (applications) part send the corresponding command according to described insertion interrupt event;
Step 5, analog switch control described universal input output terminal by the corresponding command and switch between described USB mode circuit and described headset mode circuit.
Wherein in an embodiment, if when user selects ear speaker device according to described type inquiry interface dialog box, described analog switch controls described universal input output terminal and is pulled down to low level and connects headset mode circuit and switch to voice-frequency channel and send earphone to described mobile terminal system and insert event; Otherwise described analog switch controls described universal input output terminal and draws high high level connection USB mode circuit, realizes the transfer function of USB.
Wherein in an embodiment, if described mobile terminal system does not receive data transmission information order, then described analog switch controls described universal input output terminal and is pulled down to low level and connects headset mode circuit and switch to voice-frequency channel and send earphone to described mobile terminal system and insert event; Otherwise described analog switch controls described universal input output terminal and draws high high level connection USB mode circuit, realizes the transfer function of USB.
As shown in Figure 3, the present invention comprises a kind of mobile terminal with described multiplexing earphone interface further, and this mobile terminal comprises:
Central processing unit 1;
Headset mode circuit 3, it comprises L channel, R channel, Mike and ground four hard wires;
USB mode circuit 2, it comprises the positive D+ of data, data minus D-, battery identification pin ID and ground four signal wiring lines;
Analog switch 5, it is connected to the central processing unit of described mobile terminal by controlling pin;
Universal input output terminal 4, it is connected to described analog switch 5, described universal input output terminal 4 switches between described headset mode circuit 3 and described USB mode circuit 2 in response to the control of described analog switch 5, realizes the USB transmission of multiplexing earphone interface.
Wherein in an embodiment, described headset mode circuit " " hard wires and described USB mode circuit " " hard wires is shared.
Wherein in an embodiment, described universal input output terminal 4 switches in response to the control of described analog switch 5 and refers to and to switch between the positive D+ of data, the data minus D-and battery identification pin ID of the L channel of described headset mode circuit 3, R channel and Mike and described USB mode circuit 2 between described headset mode circuit 3 and described USB mode circuit 2.
Wherein in an embodiment, as shown in Figure 4, when user uses normal earphone, earphone mouth 7 is inserted multiplexing earphone interface 6 by user, mobile terminal receives earphone and inserts interrupt event, described insertion interrupt event is sent to its upper strata, superstructure display type inquiry interface for users is selected, when user selects ear speaker device, described analog switch controls described universal input output terminal and is pulled down to low level and connects headset mode circuit and switch to voice-frequency channel and send earphone to described mobile terminal system and insert event, achieves the normal usage function of earphone.
Wherein in an embodiment, as shown in Figure 5, when multiplexing earphone interface 6 is inserted in USB adapter one end 8 as shown in the figure by user, mobile terminal receives insertion interrupt event, described insertion interrupt event is sent to its upper strata, superstructure display type inquiry interface for users is selected, when user selects USB device, described analog switch controls described universal input output terminal and draws high high level connection USB mode circuit, realize the transfer function of USB, user is more humane without the need to considering that USB interface inserts Direct And Inverse Problems.
Wherein whether mobile terminal can also automatic decision insertion have data transmission information to judge insertion interrupt event to be that earphone inserts interrupt event or USB inserts interrupt event, select to point out to mobile terminal by type inquiry interface without the need to user, realize automatically identifying, more intellectually and automatically.
Wherein in an embodiment, as shown in Figure 6, charging connection wire interface 9 can also be inserted described multiplexing earphone interface 6 by user, realizes the charge function to mobile terminal.
Here the number of structures illustrated and treatment scale are used to simplify explanation of the present invention.The application having a mobile terminal of described multiplexing earphone interface to of the present invention, modifications and variations will be readily apparent to persons skilled in the art.
As mentioned above, according to the present invention, due to integration USB mode circuit and universal input output terminal on headset mode circuit, described universal input output terminal is switched between described USB mode circuit and described headset mode circuit, make multiplexing earphone interface conveniently realize USB transmission.Therefore when without the need to increasing USB external interface, multiplexing earphone interface and USB interface are shared, and decrease the entrance of mobile terminal dust, in addition, multiplexing earphone interface is common headphones interface, applied range, more humane, and user is without the need to considering the Direct And Inverse Problems of USB insert port again.
Although embodiment of the present invention are open as above, it is not restricted to listed in instructions and embodiment utilization.It can be applied to various applicable the field of the invention completely.For those skilled in the art, can easily realize other amendment.Therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (9)
1. multiplexing earphone interface realizes a method for USB transmission, comprising:
Step one, on mobile terminal earphone mode circuit integration USB mode circuit and analog switch, make described analog switch control universal input output terminal and switch between described USB mode circuit and described headset mode circuit;
Step 2, mobile terminal internal receipt insert interrupt event;
Step 3, mobile terminal send described insertion interrupt event to its upper strata;
Step 4, described upper strata send the corresponding command according to described insertion interrupt event;
Step 5, described analog switch control described universal input output terminal by the corresponding command and switch between described USB mode circuit and described headset mode circuit.
2. multiplexing earphone interface as claimed in claim 1 realizes the method for USB transmission, wherein, also comprise described mobile terminal transmission types between described step 3 and step 4 to inquire event and show a type and inquire interface dialog box step, what select to insert for user is ear speaker device or USB device.
3. multiplexing earphone interface as claimed in claim 2 realizes the method for USB transmission, wherein, described step 5 specifically comprises: if when user is according to described type inquiry interface dialog box selection ear speaker device, described analog switch controls described universal input output terminal and connects headset mode circuit and send earphone insertion event to described mobile terminal system; If when user is according to described type inquiry interface dialog box selection USB device, described analog switch controls described universal input output terminal and connects USB mode circuit.
4. multiplexing earphone interface as claimed in claim 2 realizes the method for USB transmission, wherein, described step 5 specifically comprises: if described mobile terminal system does not receive data transmission information order, then described analog switch controls described universal input output terminal connection headset mode circuit and send earphone to described mobile terminal system to insert event; Otherwise described analog switch controls described universal input output terminal and connects USB mode circuit.
5. multiplexing earphone interface as claimed in claim 4 realizes the method for USB transmission, and wherein, described universal input output terminal high level indicates and is switched to USB mode circuit, and described universal input output terminal low level mark is switched to headset mode circuit.
6. multiplexing earphone interface as claimed in claim 2 realizes the method for USB transmission, and wherein, described place type inquiry interface dialog box comprises ear speaker device and USB device options and determines or cancel button click.
7. there is a mobile terminal for the multiplexing earphone interface as described in any one of claim 1 ~ 6, wherein, comprising:
Headset mode circuit, it comprises L channel, R channel, Mike and ground four hard wires;
USB mode circuit, it comprises the positive D+ of data, data minus D-, battery identification pin ID and ground four signal wiring lines;
Analog switch, it is connected to the central processing unit of described mobile terminal by controlling pin;
Universal input output terminal, it is connected to described analog switch, and described universal input output terminal switches between described headset mode circuit and described USB mode circuit in response to the control of described analog switch.
8. mobile terminal as claimed in claim 7, wherein, described headset mode circuit " " hard wires and described USB mode circuit " " hard wires is shared.
9. mobile terminal as claimed in claim 8, wherein, described universal input output terminal switches in response to the control of described analog switch and refers to and to switch between the positive D+ of data, the data minus D-and battery identification pin ID of the L channel of described headset mode circuit, R channel and Mike and described USB mode circuit between described headset mode circuit and described USB mode circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510055513.7A CN104572540A (en) | 2015-02-03 | 2015-02-03 | Method for achieving USB transmission by multiplexing earphone interface and mobile terminal with multiplexing earphone interface |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510055513.7A CN104572540A (en) | 2015-02-03 | 2015-02-03 | Method for achieving USB transmission by multiplexing earphone interface and mobile terminal with multiplexing earphone interface |
Publications (1)
Publication Number | Publication Date |
---|---|
CN104572540A true CN104572540A (en) | 2015-04-29 |
Family
ID=53088654
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510055513.7A Pending CN104572540A (en) | 2015-02-03 | 2015-02-03 | Method for achieving USB transmission by multiplexing earphone interface and mobile terminal with multiplexing earphone interface |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104572540A (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105071795A (en) * | 2015-08-17 | 2015-11-18 | 广东欧珀移动通信有限公司 | Multiplex circuit based on USB interface |
CN105573946A (en) * | 2016-03-01 | 2016-05-11 | 广东欧珀移动通信有限公司 | Universal serial bus interface sharing method and device |
CN105975422A (en) * | 2016-05-27 | 2016-09-28 | 北京小米移动软件有限公司 | Switching equipment, terminal and switching method |
CN106210949A (en) * | 2016-06-29 | 2016-12-07 | 乐视控股(北京)有限公司 | The mode switching method of a kind of earphone and mode-changeover device |
CN106412747A (en) * | 2016-11-04 | 2017-02-15 | 捷开通讯(深圳)有限公司 | Mobile terminal and earphone thereof |
CN106532383A (en) * | 2016-10-31 | 2017-03-22 | 深圳市金立通信设备有限公司 | Compatible design method and circuit |
WO2017113697A1 (en) * | 2015-12-31 | 2017-07-06 | 乐视控股(北京)有限公司 | Method providing compatibility of reverse insertion of earphone connector and device |
CN108666833A (en) * | 2018-04-13 | 2018-10-16 | Oppo广东移动通信有限公司 | Data-interface and mobile terminal |
CN109273944A (en) * | 2018-09-13 | 2019-01-25 | Oppo(重庆)智能科技有限公司 | Electronic equipment |
CN111581129A (en) * | 2020-03-24 | 2020-08-25 | 西安广和通无线通信有限公司 | Terminal mainboard circuit, terminal equipment and ADC interface multiplexing control method |
CN112637717A (en) * | 2020-12-21 | 2021-04-09 | 重庆蓝岸通讯技术有限公司 | Intelligent terminal system with external fingerprint module port, equipment switching method and fingerprint identification method |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101917497A (en) * | 2010-07-23 | 2010-12-15 | 惠州Tcl移动通信有限公司 | Method and device for earphone and USB to share micro-USB interface |
US8335328B2 (en) * | 2007-10-24 | 2012-12-18 | Winbond Electronics Corporation | Programmable integrated microphone interface circuit |
CN103813231A (en) * | 2014-03-05 | 2014-05-21 | 北京君正集成电路股份有限公司 | Method, intelligent device, system and plug for judging access signals |
-
2015
- 2015-02-03 CN CN201510055513.7A patent/CN104572540A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8335328B2 (en) * | 2007-10-24 | 2012-12-18 | Winbond Electronics Corporation | Programmable integrated microphone interface circuit |
CN101917497A (en) * | 2010-07-23 | 2010-12-15 | 惠州Tcl移动通信有限公司 | Method and device for earphone and USB to share micro-USB interface |
CN103813231A (en) * | 2014-03-05 | 2014-05-21 | 北京君正集成电路股份有限公司 | Method, intelligent device, system and plug for judging access signals |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105071795A (en) * | 2015-08-17 | 2015-11-18 | 广东欧珀移动通信有限公司 | Multiplex circuit based on USB interface |
WO2017113697A1 (en) * | 2015-12-31 | 2017-07-06 | 乐视控股(北京)有限公司 | Method providing compatibility of reverse insertion of earphone connector and device |
CN105573946A (en) * | 2016-03-01 | 2016-05-11 | 广东欧珀移动通信有限公司 | Universal serial bus interface sharing method and device |
CN105573946B (en) * | 2016-03-01 | 2019-03-01 | Oppo广东移动通信有限公司 | The method and device of Universal Serial Bus Interface multiplexing |
CN105975422A (en) * | 2016-05-27 | 2016-09-28 | 北京小米移动软件有限公司 | Switching equipment, terminal and switching method |
CN105975422B (en) * | 2016-05-27 | 2018-11-23 | 北京小米移动软件有限公司 | A kind of switching equipment, terminal and switching method |
CN106210949A (en) * | 2016-06-29 | 2016-12-07 | 乐视控股(北京)有限公司 | The mode switching method of a kind of earphone and mode-changeover device |
CN106532383A (en) * | 2016-10-31 | 2017-03-22 | 深圳市金立通信设备有限公司 | Compatible design method and circuit |
CN106412747A (en) * | 2016-11-04 | 2017-02-15 | 捷开通讯(深圳)有限公司 | Mobile terminal and earphone thereof |
CN108666833A (en) * | 2018-04-13 | 2018-10-16 | Oppo广东移动通信有限公司 | Data-interface and mobile terminal |
CN109273944A (en) * | 2018-09-13 | 2019-01-25 | Oppo(重庆)智能科技有限公司 | Electronic equipment |
CN111581129A (en) * | 2020-03-24 | 2020-08-25 | 西安广和通无线通信有限公司 | Terminal mainboard circuit, terminal equipment and ADC interface multiplexing control method |
CN111581129B (en) * | 2020-03-24 | 2022-05-31 | 西安广和通无线通信有限公司 | Terminal mainboard circuit, terminal equipment and ADC interface multiplexing control method |
CN112637717A (en) * | 2020-12-21 | 2021-04-09 | 重庆蓝岸通讯技术有限公司 | Intelligent terminal system with external fingerprint module port, equipment switching method and fingerprint identification method |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104572540A (en) | Method for achieving USB transmission by multiplexing earphone interface and mobile terminal with multiplexing earphone interface | |
US9414147B2 (en) | Method and device for earphone and USB to share micro-USB interface | |
CN110166871B (en) | Earphone charging box, TWS earphone, working state switching method and storage medium | |
JP6083878B2 (en) | Method and apparatus for determining the direction of power supply | |
EP3515045B1 (en) | Wireless audio output devices | |
CN108666826B (en) | Adapter, terminal equipment and adapter system | |
US7849238B2 (en) | Multiple-apparatus connection system and the method thereof | |
US20030104835A1 (en) | Mobile terminal comprising connection means | |
EP2089805B1 (en) | Enhanced communication via a serial interface | |
CN102082846B (en) | Terminal equipment with plurality of externally arranged shared interfaces | |
EP2863652B1 (en) | Audio interface self-adaptation device | |
US20180046429A1 (en) | USB enabled base station for a headset | |
CN103927015B (en) | A kind of wireless input-output system and its implementation towards multiple terminals | |
US12133117B2 (en) | Method for communication between wireless earphone and charging case, charging case, TWS earphone, and system | |
US9973607B2 (en) | Headset adapter and a headset system | |
CN109660913B (en) | Terminal, terminal peripheral, signal transmission system and signal sending and receiving method | |
CN201919041U (en) | Terminal equipment with plurality of peripheral sharing interfaces | |
US20230082918A1 (en) | Charger, data cable, and charging device | |
CN101626412A (en) | Mobile terminal circuit with multifunctional earphone socket and implementation method thereof | |
CN105491185B (en) | Mancarried electronic aid | |
CN109525919B (en) | On-off control device, on-off control method, system and storage medium | |
US10547938B2 (en) | Audio signal transmission | |
CN106848575B (en) | External antenna, mobile terminal and antenna switching method | |
CN210157357U (en) | Earphone interface module with multiplexing serial port function and mobile terminal | |
CN110475175B (en) | Method and device for charging wireless earphone |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150429 |