CN101841753A - Drive-by-wire earphone for portable electronic equipment and method for realizing drive-by-wire - Google Patents
Drive-by-wire earphone for portable electronic equipment and method for realizing drive-by-wire Download PDFInfo
- Publication number
- CN101841753A CN101841753A CN201010115874A CN201010115874A CN101841753A CN 101841753 A CN101841753 A CN 101841753A CN 201010115874 A CN201010115874 A CN 201010115874A CN 201010115874 A CN201010115874 A CN 201010115874A CN 101841753 A CN101841753 A CN 101841753A
- Authority
- CN
- China
- Prior art keywords
- earphone
- microphone
- line
- control circuit
- wire
- 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
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 101000965313 Legionella pneumophila subsp. pneumophila (strain Philadelphia 1 / ATCC 33152 / DSM 7513) Aconitate hydratase A Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Images
Landscapes
- Telephone Function (AREA)
Abstract
The invention relates to a drive-by-wire earphone for portable electronic equipment and a method for realizing drive-by-wire. The drive-by-wire earphone comprises an earphone connector, an earphone control part and an earphone receiving part which are connected by wires, wherein the earphone connector is provided with four pins, namely a common port ground wire, a microphone audio cable, a right channel wire and a left channel wire from a position close to a wire end in turn; the microphone audio cable are connected in series with a microphone and the two ends of the microphone are connected in parallel with a key so as to form a microphone control circuit; and at least one group of function control circuit formed by serially connecting a resistor with a key switch is connected in parallel beside the microphone control circuit. The invention can save the production cost, can realize functions of the drive-by-wire earphone simultaneously, such as music play control, volume control, get through and hang up, start and stop of a radio and radio station search by increasing or decreasing frequency, and can be realized on any mobile phone platform.
Description
Technical field
The present invention relates to the line traffic control technology of portable electric appts, more particularly, relate to a kind of method that is used for the line control earphone of portable electric appts and realizes line traffic control.
Background technology
At present, 2.5mm/3.5mm interface earphone is one of prevailing earphone on the market, is used to listen to the music, and broadcast listening receives calls or the like.2009, country's promulgation new standard, regulation is round end 2.5mm and 3.5mm earphone from earphone interface of mobile phone unification on September 1.As seen following 2.5mm/3.5mm interface earphone will become more general, become the indispensable product of portable electric appts user.2.5mm/3.5mm line control earphone is meant that the user can realize on earphone cord that control music and volume regulate, and connects, hangs up the telephone, broadcast receiver starts and stops and function such as increase and decrease frequency search radio station.The line control earphone solution overwhelming majority on the market adopts extra interpolation intelligent control chip to realize at present, but the cost that extra control chip and peripheral components have increased mobile phone has increased consumer's burden.
Summary of the invention
The technical problem to be solved in the present invention is, at the above-mentioned defective of prior art, provides a kind of method that is used for the line control earphone of portable electric appts and realizes line traffic control.
The principle of technical scheme of the present invention is as follows:
As Fig. 1, be the structural representation of Earphone joint, A, B, C, D are followed successively by the common port ground wire, microphone audio line, R channel line, L channel line.Portable electric appts (mobile phone) is to give microphone power by this B pin (microphone audio line), and supply power voltage is generally 1V-3V.Here the cell phone mainboard supply power voltage is made as a, supply power voltage is powered to ear microphone by behind a current-limiting resistance b, if the ear microphone internal resistance is c, the voltage that obtains of ear microphone is by b so, c presses voltage after the series circuit pro rate with supply power voltage a, be Vc=a*c/ (b+c), if our button is formed on the resistance string that is x with a resistance on the earphone cord circuit is connected in parallel on the two ends of microphone together, after button is pressed, parallel resistance is t=cx/ (c+x), the voltage Vx=a*t/ (b+t) that obtains of microphone will be a variable so, value decision by x, if we get the two ends that the circuit of the suitably different last key switch compositions of x value string is connected in parallel on microphone, Vx will obtain a series of value so, the corresponding different resistance of each key switch, also just corresponding different voltage Vx, if we use this Vx of voltage measurement Function detection of the ADC (analog-to-digital conversion) of CPU on cell phone mainboard, just can learn that button is pressed, thereby define different keypress functions, realize the effect of line control earphone.When considering production in enormous quantities, the consistency of the internal resistance of microphone can't guarantee, influence accuracy of detection, destroy reliability of products, introduce a single-pole double-throw switch (SPDT) J3 here, as shown in Figure 3, in order to the influence of the internal resistance inconsistency of avoiding microphone to parallel resistance t, to introduce after the J3, the voltage that the ADC of CPU (analog-to-digital conversion) detects is the voltage of Earphone joint pin B (microphone audio line), here two gear: a can be set respectively, general line traffic control function shelves; B, earphone receiving, the shelves of hanging up the telephone, gear engaged only at every turn.
A: general line traffic control function gear can define listens to the music, and listens to the various function line traffic control of broadcast receiver or the like function, and this moment, circuit was got five different values, R1, R2, R3, R4, R5 with the t value of Vx=a*t/ in the voltage equation (b+t).R1 simultaneously, R2, R3, R4, R5 go here and there five buttons, get suitable resistance to R1-R5 and will make Vx that the series of voltage value is arranged, and detect for ADC (analog-to-digital conversion), can know which button presses, thereby define different functions.
B: earphone receiving, the gear of hanging up the telephone, it is in parallel with the microphone two ends that install a button this moment, is equivalent to the t=0 among the formula Vx=a*t/ (b+t) this moment, when button is pressed, because microphone has internal resistance, about 1.5Kohm, this moment, microphone voltage was about 1V; When button was pressed, Earphone joint microphone audio line is short circuit over the ground directly, Vx=0v, detected by ADC this moment, can know that so just button is pressed, after unclamping again recovery voltage be about 1V.So just, can define the function of answering, hang up the telephone, this moment, microphone also linked to each other with cell phone mainboard, also can carry out the earphone call function.
The technical solution adopted for the present invention to solve the technical problems is: a kind of line control earphone that is used for portable electric appts is provided, comprise the Earphone joint that links together with lead, earphone control part and earphone receiving portion, described Earphone joint have four pins, from close conductor wire end, be followed successively by the common port ground wire, the microphone audio line, R channel line, L channel line, the microphone two ends that are connected in series on the described microphone audio line are parallel with a button, form the microphone control circuit; At the other at least one group of function control circuit that is composed in series by resistance and key switch in parallel of described microphone control circuit.
As further improvement in the technical proposal, above-described a kind of line control earphone that is used for portable electric appts, described portable electric appts is a mobile phone.
As further improvement in the technical proposal, above-described a kind of line control earphone that is used for portable electric appts, resistance is corresponding one by one with the quantity of key switch in the described circuit that is composed in series by resistance and key switch.
As further improvement in the technical proposal, be connected in series a single-pole double-throw switch (SPDT) between above-described microphone control circuit and the function control circuit, two groups of circuit are isolated into two gears, at every turn gear engaged only.
As further improvement in the technical proposal, above-described a kind of line control earphone that is used for portable electric appts is characterized in that described function control circuit has 5 groups.
As further improvement in the technical proposal, the resistance value of above-described function control circuit resistance has only one to be 0.Can save this 0ohm resistance, directly use the lead short circuit.
It is to have more the method that above-mentioned line control earphone is realized line traffic control that the present invention solves the method that its technical problem adopts, and described method may further comprise the steps:
S1, at least one group of function control circuit that is composed in series by resistance and key switch be connected in parallel on the two ends of microphone control circuit;
S2, on the mainboard of portable electric appts with the voltage of the analog-to-digital voltage measurement Function detection Earphone joint microphone audio spool pin of CPU;
S3, measured magnitude of voltage is corresponding with the function setting voltage of key switch realizes the line traffic control effect.
As further improvement in the technical proposal, above-described method is between step S1 and S2, further comprising the steps of, between microphone control circuit and function control circuit, be connected in series a single-pole double-throw switch (SPDT), two groups of circuit are isolated into two gears, at every turn gear engaged only.
Implement a kind of method that is used for the line control earphone of portable electric appts and realizes line traffic control of the present invention, has following beneficial effect: because the function voltage of software setting of the present invention is a value range, so reliability of products can be guaranteed, product cost is compared the mobile phone that does not use the line traffic control function only to be increased and is several buttons, several resistance, the cost of a switching key compares the scheme that other adopt chips simultaneously, saved the cost of chip, electric capacity, inductance.Is that the microphone of power supply all can use for the mobile phone of other platform schemes as long as ear microphone adopts, this scheme is fit to scale of mass production, advantage on cost is very outstanding, and the control music that has realized line control earphone is suspended and the volume adjusting, connect, hang up the telephone, broadcast receiver starts and stops and function such as increase and decrease frequency search radio station.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of the Earphone joint of a kind of line control earphone that is used for portable electric appts of the present invention;
Fig. 2 is that a kind of cell phone mainboard that is used for the line control earphone embodiment of portable electric appts of the present invention is given microphone power and ADC testing circuit schematic diagram;
Fig. 3 is the circuit theory diagrams that a kind of embodiment Earphone joint that is used for the line control earphone of portable electric appts of the present invention is connected in series two groups of functional circuits of being isolated by a single-pole double-throw switch (SPDT);
Fig. 4 is whether earphone left and right acoustic channels Audio Processing, the earphone of the embodiment of a kind of line control earphone that is used for portable electric appts of the present invention inserts the testing circuit schematic diagram;
Fig. 5 is that the ADC that earphone left and right acoustic channels audio frequency, the microphone audio of the embodiment of a kind of line control earphone that is used for portable electric appts of the present invention is input to CPU (MTK6229 of Lian Fa section) inter-process and CPU detects the pin circuitry schematic diagram, the MTK6229 entire chip of only having drawn here and relevant portion invention;
Fig. 6 is the cell phone mainboard earphone interface circuit schematic diagram of the embodiment of a kind of line control earphone that is used for portable electric appts of the present invention.
Embodiment
As shown in Figure 1, at a kind of line control earphone embodiment that is used for portable electric appts of the present invention, described portable electric appts is a mobile phone, line control earphone comprises the Earphone joint that links together with lead, earphone control part (being line control earphone) and earphone receiving portion (being cell phone mainboard), described Earphone joint has four pins, be followed successively by common port ground wire A, microphone audio line B, R channel line C, L channel line D, corresponding what insert is as shown in Figure 6 the 3rd pin (MIC) at described microphone audio line B pin.
As Fig. 2, R6 among the figure and R7 series connection back and resistance are (1+1.5) kohm, and promptly 2.5kohm is equivalent to the resistance b=2.5kohm in the scheme formula; The MICP line is the earphone cord interface into the external headphones microphone power; this line voltage is detected by ADC5_ACC; the current-limiting resistance protection ADC5_ACC that to have a R9 on the line be 1Kohm; supply power voltage VMIC gets 2.5V; by be input to the B pin of external headphones head (Fig. 3) as the 3rd pin (MIC) of Fig. 6; to the ear microphone power supply, also provide the voltage source of each electric resistance partial pressure simultaneously.
As Fig. 3, the function button circuit, the B pin microphone audio line of Earphone joint 10 is connected in series a single-pole double-throw switch (SPDT) J3, two gears of this switch connect the circuit and the circuit of a microphone two ends button in parallel, wherein 5 groups of corresponding R1 and S1, R2 and S2, R3 and S3, R4 and S4, R5 and the S5 of being respectively with button of resistance that are composed in series by 5 groups of resistance and key switch respectively.
Two gear: a that this road is provided with are general line traffic control function shelves; B is an earphone receiving, the shelves of hanging up the telephone.
A: general line traffic control function gear can define listens to the music, listen to various function line traffic control functions such as broadcast receiver, as form one, five different magnitudes of voltage that detect earphone heads B pin microphone audio line according to ADC know which button is pressed, thereby define different functions.
B: earphone receiving, the gear of hanging up the telephone, M1 are microphone, and internal resistance is c=1.5Kohm, and C1 is the filter capacitor that improves microphone tonequality.This moment, the voltage of microphone was Vc=Vmic*c/ (b+c)=1V, as form two, when button is pressed, microphone is by short circuit, the magnitude of voltage that this moment, ADC detected earphone heads B pin microphone audio line is 0, revert to about 1V after unclamping again, so can detect this button and be pressed, can define the function of answering, hang up the telephone.
A gear: Vx=a*t/ (b+t), b=2.5Kohm here, a=2.5V, t are the value of R1～R5.
Form one
| Button/resistance | ??S1/R1 | ??S2/R2 | ??S3/R3 | ??S4/R4 | ??S5/R5 | Button not |
| Resistance t value (0ohm) | ??0 | ??625 | ??1.5K | ??3.75k | ??10k | Disconnect |
| Detect voltage Vx (volt) | ??0 | ??0.5 | ??1 | ??1.5 | ??2.0 | ??2.5 |
| Software setting (volt) | ??0～0.1 | ??0.1～0.8 | ??0.8～1.3 | ??1.3～1.8 | ??1.8～2.3 | ??2.3～2.6 |
| Functional definition | Music, time-out; Broadcast receiver starts, stops | Next song of music; The broadcast receiver frequency increases | A song on the music; The broadcast receiver frequency reduces | Volume increases | Volume reduces | There is not operation |
The b gear:
Form two
| Button | S6 presses |
| Resistance (0ohm) | ??0 |
| Detect voltage (volt) | ??0 |
| Software setting (volt) | ??0～0.1 |
| Functional definition | Answer, hang up the telephone; Long conversation on time keeps, and recovers |
As shown in Figure 4 and Figure 5, here enclose two other C of Earphone joint, the D pin, the audio frequency processing circuit of left and right acoustic channels, R channel is used for earphone insertion detection again simultaneously, R channel links to each other with the interrupt pin of a CPU, this interrupt pin is moved 2.8V on the inner pull-up resistor by a 75Kohm of CPU (MTK6229), not having the time of interruption at ordinary times is high level, and 2.8V is after earphone inserts, because the resistance of earphone R channel loudspeaker has only 32ohm, can know promptly that according to Ohm's law this interrupt pin voltage is dragged down at once, become about 0V that interruption can respond, know that earphone inserts, revert to 2.8V after extracting, interrupt to discharge, know that earphone extracts.
In sum, as those of ordinary skill is scrutable in the art, described in this specification is a preferred embodiment of the present invention, and all changes of being made under this invention's idea or modification all should be in claim protection ranges of the present invention.
Claims (8)
1. line control earphone that is used for portable electric appts, comprise the Earphone joint that links together with lead, earphone control part and earphone receiving portion, described Earphone joint has four pins, from close conductor wire end, be followed successively by the common port ground wire, microphone audio line, R channel line, the L channel line, it is characterized in that the microphone two ends that are connected in series on the described microphone audio line are parallel with a button, form the microphone control circuit; At the other at least one group of function control circuit that is composed in series by resistance and key switch in parallel of described microphone control circuit.
2. a kind of line control earphone that is used for portable electric appts according to claim 1 is characterized in that described portable electric appts is a mobile phone.
3. a kind of line control earphone that is used for portable electric appts according to claim 2 is characterized in that, resistance is corresponding one by one with the quantity of key switch in the described circuit that is composed in series by resistance and key switch.
4. a kind of line control earphone that is used for portable electric appts according to claim 3, it is characterized in that, between described microphone control circuit and function control circuit, be connected in series a single-pole double-throw switch (SPDT), two groups of circuit are isolated into two gears, at every turn gear engaged only.
5. according to claim 1 or 2 or 3 or 4 described a kind of line control earphones that are used for portable electric appts, it is characterized in that described function control circuit has 5 groups.
6. a kind of line control earphone that is used for portable electric appts according to claim 5 is characterized in that, the resistance value of described function control circuit resistance has only one to be 0.
7. the described line control earphone of a claim 1 is realized the method for line traffic control, it is characterized in that described method may further comprise the steps:
S1, at least one group of function control circuit that is composed in series by resistance and key switch be connected in parallel on the two ends of microphone control circuit;
S2, on the mainboard of portable electric appts with the voltage of the analog-to-digital voltage measurement Function detection Earphone joint microphone audio spool pin of CPU;
S3, measured magnitude of voltage is corresponding with the function setting voltage of key switch realizes the line traffic control effect.
8. method according to claim 7 is characterized in that, between step S1 and S2, further comprising the steps of, between microphone control circuit and function control circuit, be connected in series a single-pole double-throw switch (SPDT), two groups of circuit are isolated into two gears, at every turn gear engaged only.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010115874A CN101841753A (en) | 2010-02-24 | 2010-02-24 | Drive-by-wire earphone for portable electronic equipment and method for realizing drive-by-wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010115874A CN101841753A (en) | 2010-02-24 | 2010-02-24 | Drive-by-wire earphone for portable electronic equipment and method for realizing drive-by-wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101841753A true CN101841753A (en) | 2010-09-22 |
Family
ID=42744806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010115874A Pending CN101841753A (en) | 2010-02-24 | 2010-02-24 | Drive-by-wire earphone for portable electronic equipment and method for realizing drive-by-wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101841753A (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102196076A (en) * | 2011-05-20 | 2011-09-21 | 惠州Tcl移动通信有限公司 | Earphone drive-by-wire circuit of mobile phone and drive-by-wire method |
| CN102413239A (en) * | 2011-11-15 | 2012-04-11 | 惠州Tcl移动通信有限公司 | Mobile phone and method for detecting earphone mode of mobile phone |
| CN102916710A (en) * | 2012-10-30 | 2013-02-06 | 广东欧珀移动通信有限公司 | Method and system for quickly switching radio and switching channels |
| CN103167367A (en) * | 2011-12-19 | 2013-06-19 | 腾讯科技（深圳）有限公司 | Earphone and voice message drive-by-wire method and system |
| CN103220598A (en) * | 2012-01-18 | 2013-07-24 | 天地融科技股份有限公司 | Audio interface adaptive device and audio signal receiving device |
| WO2013123856A1 (en) * | 2012-02-22 | 2013-08-29 | 腾讯科技（深圳）有限公司 | Earphone wire control device, earphone, and voice recording system and method |
| CN103731560A (en) * | 2014-01-13 | 2014-04-16 | 联想(北京)有限公司 | Electronic device and control method thereof |
| WO2014114033A1 (en) * | 2013-01-25 | 2014-07-31 | 青岛歌尔声学科技有限公司 | Earphone and method for realizing automatic recognition switching control of earphone |
| CN104038863A (en) * | 2013-03-04 | 2014-09-10 | 上海城市地理信息系统发展有限公司 | Method and apparatus for simulating earphone button to transmit data |
| CN104159173A (en) * | 2014-08-27 | 2014-11-19 | 宇龙计算机通信科技(深圳)有限公司 | Earphone, earphone application method, earphone control method and device as well as mobile terminal |
| CN104330981A (en) * | 2013-07-22 | 2015-02-04 | 联想(北京)有限公司 | Key control method, electronic device and line-control device |
| CN104780484A (en) * | 2015-02-10 | 2015-07-15 | 深圳市奥星澳科技有限公司 | Earphone control circuit, line control equipment and volume adjustment earphone |
| CN104969568A (en) * | 2014-05-30 | 2015-10-07 | 华为技术有限公司 | Circuit, terminal and earphone for detecting the key movements of the headset |
| US20150289049A1 (en) * | 2013-11-27 | 2015-10-08 | 1More Inc. | Earphone line control device and earphone |
| CN105187631A (en) * | 2015-07-31 | 2015-12-23 | 是联（北京）科技有限公司 | Intelligent terminal key device based on earphone interface and control method of intelligent terminal key device |
| CN105182166A (en) * | 2015-09-25 | 2015-12-23 | 深圳市金立通信设备有限公司 | Listening device detection method and device |
| CN106792344A (en) * | 2015-11-19 | 2017-05-31 | 小米科技有限责任公司 | A kind of audio output apparatus |
| CN106911979A (en) * | 2017-03-03 | 2017-06-30 | 歌尔股份有限公司 | Volume adjusting method, device and earphone for earphone |
| CN107635179A (en) * | 2016-07-18 | 2018-01-26 | 联想移动通信科技有限公司 | A kind of method of adjustment of earphone impedance, device and terminal |
| CN108718434A (en) * | 2018-05-31 | 2018-10-30 | 努比亚技术有限公司 | Line control earphone, mobile terminal and control method |
| CN113453115A (en) * | 2021-07-21 | 2021-09-28 | 惠州市欧凡实业有限公司 | Earphone crosstalk processing device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1615465A2 (en) * | 2004-07-08 | 2006-01-11 | Lg Electronics Inc. | Music play control apparatus with an earphone comprising at least one earphone function key, and method thereof |
| CN201039440Y (en) * | 2007-03-14 | 2008-03-19 | 中兴通讯股份有限公司 | A cable control earphone for multi-key and single detection end |
| CN101232743A (en) * | 2007-01-24 | 2008-07-30 | 鸿富锦精密工业（深圳）有限公司 | Audio playing device and used earphone, automatic control method |
| CN201114706Y (en) * | 2007-08-08 | 2008-09-10 | 程洪锋 | Novel multi-purpose earphone |
-
2010
- 2010-02-24 CN CN201010115874A patent/CN101841753A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1615465A2 (en) * | 2004-07-08 | 2006-01-11 | Lg Electronics Inc. | Music play control apparatus with an earphone comprising at least one earphone function key, and method thereof |
| CN101232743A (en) * | 2007-01-24 | 2008-07-30 | 鸿富锦精密工业（深圳）有限公司 | Audio playing device and used earphone, automatic control method |
| CN201039440Y (en) * | 2007-03-14 | 2008-03-19 | 中兴通讯股份有限公司 | A cable control earphone for multi-key and single detection end |
| CN201114706Y (en) * | 2007-08-08 | 2008-09-10 | 程洪锋 | Novel multi-purpose earphone |
Cited By (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102196076A (en) * | 2011-05-20 | 2011-09-21 | 惠州Tcl移动通信有限公司 | Earphone drive-by-wire circuit of mobile phone and drive-by-wire method |
| CN102196076B (en) * | 2011-05-20 | 2014-07-30 | 惠州Tcl移动通信有限公司 | Earphone drive-by-wire circuit of mobile phone and drive-by-wire method |
| CN102413239A (en) * | 2011-11-15 | 2012-04-11 | 惠州Tcl移动通信有限公司 | Mobile phone and method for detecting earphone mode of mobile phone |
| CN103167367A (en) * | 2011-12-19 | 2013-06-19 | 腾讯科技（深圳）有限公司 | Earphone and voice message drive-by-wire method and system |
| CN103167367B (en) * | 2011-12-19 | 2015-10-14 | 腾讯科技（深圳）有限公司 | A kind of earphone, voice message drive-by-wire method and system |
| CN103220598A (en) * | 2012-01-18 | 2013-07-24 | 天地融科技股份有限公司 | Audio interface adaptive device and audio signal receiving device |
| WO2013123856A1 (en) * | 2012-02-22 | 2013-08-29 | 腾讯科技（深圳）有限公司 | Earphone wire control device, earphone, and voice recording system and method |
| CN102916710A (en) * | 2012-10-30 | 2013-02-06 | 广东欧珀移动通信有限公司 | Method and system for quickly switching radio and switching channels |
| WO2014114033A1 (en) * | 2013-01-25 | 2014-07-31 | 青岛歌尔声学科技有限公司 | Earphone and method for realizing automatic recognition switching control of earphone |
| KR101599203B1 (en) | 2013-01-25 | 2016-03-02 | 칭다오 고어텍 테크놀로지 컴파니 리미티드 | Earphone and method for realizing automatic recognition switching control of earphone |
| US9549241B2 (en) | 2013-01-25 | 2017-01-17 | Qingdao Goertek Technology Co., Ltd. | Earphone and a method for making an earphone to achieve automatic identification and switch control |
| KR20150073216A (en) * | 2013-01-25 | 2015-06-30 | 칭다오 고어텍 테크놀로지 컴파니 리미티드 | Earphone and method for realizing automatic recognition switching control of earphone |
| JP5893816B1 (en) * | 2013-01-25 | 2016-03-23 | チンタオ ゴーアテック テクノロジー カンパニー リミテッドＱｉｎｇｄａｏ Ｇｏｅｒｔｅｋ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．， Ｌｔｄ． | Earphone and method for realizing automatic identification switching control of earphone |
| CN104038863A (en) * | 2013-03-04 | 2014-09-10 | 上海城市地理信息系统发展有限公司 | Method and apparatus for simulating earphone button to transmit data |
| CN104330981A (en) * | 2013-07-22 | 2015-02-04 | 联想(北京)有限公司 | Key control method, electronic device and line-control device |
| US9532129B2 (en) * | 2013-11-27 | 2016-12-27 | 1More Inc. | Earphone line control device and earphone |
| US20150289049A1 (en) * | 2013-11-27 | 2015-10-08 | 1More Inc. | Earphone line control device and earphone |
| CN103731560A (en) * | 2014-01-13 | 2014-04-16 | 联想(北京)有限公司 | Electronic device and control method thereof |
| CN103731560B (en) * | 2014-01-13 | 2016-07-06 | 联想(北京)有限公司 | A kind of electronic equipment and control method thereof |
| CN104969568A (en) * | 2014-05-30 | 2015-10-07 | 华为技术有限公司 | Circuit, terminal and earphone for detecting the key movements of the headset |
| WO2015180172A1 (en) * | 2014-05-30 | 2015-12-03 | 华为技术有限公司 | Circuit for detecting button-pressing action of earphone, terminal, and earphone |
| US10194231B2 (en) | 2014-05-30 | 2019-01-29 | Huawei Technologies Co., Ltd. | Circuit for detecting button action on earphone, terminal, and earphone |
| CN104159173A (en) * | 2014-08-27 | 2014-11-19 | 宇龙计算机通信科技(深圳)有限公司 | Earphone, earphone application method, earphone control method and device as well as mobile terminal |
| CN104780484B (en) * | 2015-02-10 | 2016-08-17 | 深圳市奥星澳科技有限公司 | A kind of earphone control circuit, line traffic control equipment and tuning earphone |
| CN104780484A (en) * | 2015-02-10 | 2015-07-15 | 深圳市奥星澳科技有限公司 | Earphone control circuit, line control equipment and volume adjustment earphone |
| CN105187631A (en) * | 2015-07-31 | 2015-12-23 | 是联（北京）科技有限公司 | Intelligent terminal key device based on earphone interface and control method of intelligent terminal key device |
| CN105182166A (en) * | 2015-09-25 | 2015-12-23 | 深圳市金立通信设备有限公司 | Listening device detection method and device |
| CN106792344A (en) * | 2015-11-19 | 2017-05-31 | 小米科技有限责任公司 | A kind of audio output apparatus |
| CN107635179A (en) * | 2016-07-18 | 2018-01-26 | 联想移动通信科技有限公司 | A kind of method of adjustment of earphone impedance, device and terminal |
| CN106911979A (en) * | 2017-03-03 | 2017-06-30 | 歌尔股份有限公司 | Volume adjusting method, device and earphone for earphone |
| CN108718434A (en) * | 2018-05-31 | 2018-10-30 | 努比亚技术有限公司 | Line control earphone, mobile terminal and control method |
| CN113453115A (en) * | 2021-07-21 | 2021-09-28 | 惠州市欧凡实业有限公司 | Earphone crosstalk processing device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101841753A (en) | Drive-by-wire earphone for portable electronic equipment and method for realizing drive-by-wire | |
| CN202634659U (en) | Adaptive Circuit of Earphone Interface and Mobile Terminal | |
| CN101951421B (en) | Expansion use method for cell phone earphone interface | |
| EP2863652B1 (en) | Audio interface self-adaptation device | |
| CN201142743Y (en) | Headphone interface circuit and mobile phone with the same | |
| US20100104119A1 (en) | Audio output device | |
| CN201509235U (en) | Headphone detection circuit of mobile terminal and mobile terminal thereof | |
| CN101917497A (en) | Method and device for earphone and USB to share micro-USB interface | |
| CN102300003A (en) | Mobile terminal capable of automatically detecting earphone jack | |
| CN202425016U (en) | A circuit for intelligently identifying the type of earphone | |
| CN101431708A (en) | Terminal and method for recognizing headphone type | |
| CN103118191A (en) | Using control method and mobile terminal for iPhone wire control earphone | |
| CN102480563B (en) | Control method and device in process of inserting earphone into earphone socket | |
| CN103379420A (en) | Method and electronic device for determining earphone line sequence | |
| CN109862457A (en) | Terminal equipment, adapter and charging method | |
| CN202721789U (en) | Audio interface adaptive device | |
| CN101350989B (en) | Plug adapter for a mobile terminal | |
| CN105530561A (en) | Information processing method and device, earphone plug and electronic device | |
| CN101990144A (en) | Double earphone adapter, main board and method for detecting double earphones | |
| CN102196076B (en) | Earphone drive-by-wire circuit of mobile phone and drive-by-wire method | |
| CN201774654U (en) | Wire-controlled earphone circuit based on four-stage connection on mobile phone | |
| CN105050001A (en) | Headset compatible circuit and working method thereof | |
| CN102710821B (en) | Hand microphone for interphone and interphone | |
| CN102638745A (en) | Headphone compatibility method, system and interface circuit for terminal equipment | |
| CN102395072A (en) | Plug and earphone with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20100922 |