CN104780484A - Earphone control circuit, line control equipment and volume adjustment earphone - Google Patents
Earphone control circuit, line control equipment and volume adjustment earphone Download PDFInfo
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- CN104780484A CN104780484A CN201510072497.2A CN201510072497A CN104780484A CN 104780484 A CN104780484 A CN 104780484A CN 201510072497 A CN201510072497 A CN 201510072497A CN 104780484 A CN104780484 A CN 104780484A
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- 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
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Abstract
The present invention is applicable to the field of electronics and provides an earphone control circuit, line control equipment and a volume adjustment earphone. The circuit comprises: a compatible interface unit which is used for compatible connection with an earphone of an Android or IOS system and comprises an L end, a R end, an M+ end and an M- end; a playing control unit, of which the input end is connected with the M+ end of the compatible interface unit and of which the output end is connected with the M- end of the compatible interface unit; a volume adjustment unit, of which the input end is connected with the M+ end of the compatible interface unit and of which the output end is connected with the M- end of the compatible interface unit; and a power supply unit, of which the input end is connected with the M+ end of the compatible interface unit, of which the output end is connected with the M- end of the compatible interface unit and of which the control end is connected with the power supply end of the volume adjustment unit. The earphone provided by the present invention can compatibly play an audio signal outputted by the IOS or Android system, has a volume adjustment function, reduces the classification of commercially available products, reduces production waste, facilitates custody and carrying, and enhances the user experience.
Description
Technical field
The invention belongs to electronic applications, particularly relate to a kind of earphone control circuit, line traffic control equipment and tuning earphone.
Background technology
Along with the fast development of electronic technology, increasing audio frequency apparatus is flooded with the life of people, people can pass through portable earphone music appreciating anywhere or anytime, current audio equipment loads Android system or IOS system mostly, but, by voltage, earpiece volume is realized alternately for Android system control, by signal, earpiece volume is realized alternately for IOS system control, both often cannot be compatible, user is caused to need to use special earphone for different audio frequency apparatuses, earphone quantity is more, not only be not easy to carry, also easily obscure mutually, affect Consumer's Experience, also result in very large production waste simultaneously.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of earphone control circuit, and being intended to solve existing tuning earphone cannot the compatible problem exported for the audio frequency that Android system and IOS system export.
The embodiment of the present invention is achieved in that a kind of earphone control circuit, and its input is connected with audio output, and its output is connected with the left and right power amplifier unit of earphone respectively, and described circuit comprises:
Compatibility interface unit, for being connected with Android or IOS system earphone compatibility, described compatibility interface unit comprises L port, R port, M+ port and M-port, the L port of described compatibility interface unit is connected with the positive pole of the left power amplifier unit of described earphone, the R port of described compatibility interface unit is connected with the positive pole of the right power amplifier unit of described earphone, and the M-port of described compatibility interface unit is connected with the negative pole of the left and right power amplifier unit of described earphone simultaneously;
Playing control unit, play for controlling audio frequency, the input of described playing control unit is connected with the M+ port of described compatibility interface unit, and the output of described playing control unit is connected with the M-port of described compatibility interface unit;
Sound volume regulation unit, for regulating earpiece volume, the input of described sound volume regulation unit is connected with the M+ port of described compatibility interface unit, and the output of described sound volume regulation unit is connected with the M-port of described compatibility interface unit;
Power supply unit, for keeping the supply power voltage of described sound volume regulation unit, the input of described power supply unit is connected with the M+ port of described compatibility interface unit, the output of described power supply unit is connected with the M-port of described compatibility interface unit, and the control end of described power supply unit is connected with the feeder ear of described sound volume regulation unit.
Another object of the embodiment of the present invention is, provides a kind of line traffic control equipment adopting above-mentioned earphone control circuit.
Another object of the embodiment of the present invention is, provides a kind of tuning earphone adopting above-mentioned line traffic control equipment.
The embodiment of the present invention realizes by compatible earphone control circuit the audio signal that earphone compatible plays IOS or Android system output, and there is the function of tuning, break the separate headset that IOS system on the market and Android system are at present special, greatly reduce the classification of commercial type product, decrease the repeatability of production, because this earphone compatible is good, be therefore more convenient to keeping and carry, substantially increase Consumer's Experience, reduce and produce waste.
Accompanying drawing explanation
The structure chart of the earphone control circuit that Fig. 1 provides for the embodiment of the present invention;
The exemplary circuit structure chart that the earphone control circuit that Fig. 2 provides for the embodiment of the present invention is connected with IOS system;
The exemplary circuit structure chart that the earphone control circuit that Fig. 3 provides for the embodiment of the present invention is connected with Android system.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.In addition, if below in described each execution mode of the present invention involved technical characteristic do not form conflict each other and just can mutually combine.
The embodiment of the present invention realizes by compatible earphone control circuit the audio signal that earphone compatible plays IOS or Android system output, and there is the function of tuning, reduce the classification of commercial type product, reduce and produce waste, more be convenient to keeping and carry, improve Consumer's Experience.
Below in conjunction with specific embodiment, realization of the present invention is described in detail:
Fig. 1 shows the structure of the earphone control circuit that the embodiment of the present invention provides, and for convenience of explanation, illustrate only part related to the present invention.
As one embodiment of the invention, this earphone control circuit can be applied in any line traffic control equipment and tuning earphone, the input of this earphone control circuit is connected with audio output, the output of this earphone control circuit is connected with the left and right power amplifier unit of earphone respectively, and this earphone control circuit specifically comprises:
Compatibility interface unit 11, for being connected with Android or IOS system earphone compatibility, compatibility interface unit 11 comprises L port, R port, M+ port and M-port, the L port of compatibility interface unit 11 is connected with the positive pole of the left power amplifier unit SPK1 of earphone, the R port of compatibility interface unit 11 is connected with the positive pole of the right power amplifier unit SPK2 of earphone, and the M-port of compatibility interface unit 11 is connected with the left power amplifier unit SPK1 of earphone, the negative pole of right power amplifier unit SPK2 simultaneously;
Playing control unit 12, play for controlling audio frequency, the input of playing control unit 12 is connected with the M+ port of compatibility interface unit 11, and the output of playing control unit 12 is connected with the M-port of compatibility interface unit 11;
Sound volume regulation unit 13, for regulating earpiece volume, the input of sound volume regulation unit 13 is connected with the M+ port of compatibility interface unit 11, and the output of sound volume regulation unit 13 is connected with the M-port of compatibility interface unit 11;
Power supply unit 14, for keeping the supply power voltage of sound volume regulation unit 13, the input of power supply unit 14 is connected with the M+ port of compatibility interface unit 11, the output of power supply unit 14 is connected with the M-port of compatibility interface unit 11, and the control end of power supply unit 14 is connected with the feeder ear of sound volume regulation unit 13.
In embodiments of the present invention, compatibility interface unit 11 both can with Android system earphone compatible, also can be compatible with IOS system earphone, and can pass through to carry out realizing receiving calls or playing music by key control or touch control to playing control unit 12, by the adjustment to audio volume by key control or touch control realization to sound volume regulation unit 13.
As one embodiment of the invention, all right other functions multiplexing of sound volume regulation unit 13, such as this circuit application in mobile phone line control equipment time, volume adjusting key also can as the switch key of music track, such as, the short switch key increased by volume is for increasing volume of music, the long switch key increased by volume is used for being switched to next song, the short switch key reduced by volume is for reducing volume of music, the long switch key reduced by volume is used for being switched to a upper first song, herein for long by or the identification of short instruction of pressing, can by realizing single-chip microcomputer or arranging of automatically controlled chip.
Therefore, understandably, the embodiment of the present invention is not defined as the order ground that only can realize regulating volume for sound volume regulation unit 13, can also be used for other application function.
The embodiment of the present invention realizes by compatible earphone control circuit the audio signal that earphone compatible plays IOS or Android system output, and there is the function of tuning, break the separate headset that IOS system on the market and Android system are at present special, greatly reduce the classification of commercial type product, decrease the repeatability of production, because this earphone compatible is good, be therefore more convenient to keeping and carry, substantially increase Consumer's Experience, reduce and produce waste.
The exemplary circuit structure that the earphone control circuit that Fig. 2 shows the embodiment of the present invention to be provided is connected with IOS system, for convenience of explanation, illustrate only part related to the present invention.
As one embodiment of the invention, this playing control unit 12 comprises:
One end of 3rd switch S 3-PLAY, the 3rd switch S 3-PLAY is the input of playing control unit 12, and the other end of the 3rd switch S 3-PLAY is the output of playing control unit 12.
Preferably, the 3rd switch S 3-PLAY can adopt key switch, also can adopt soft-touch control.
Sound volume regulation unit 13 comprises:
Resistance R2, resistance R3, resistance R4, resistance R8, electric capacity C1, diode D2, the first switch S 1-VOL+, second switch S2-VOL-and the first automatically controlled chip U1;
One end of electric capacity C1 is that the input of sound volume regulation unit 13 is connected with one end of resistance R2, the other end of electric capacity C1 is connected with one end of resistance R3, the other end of resistance R3 is connected with the mutual pin of signal (PIN1) of the first automatically controlled chip U1, the other end of resistance R2 increases pin (PIN3) with the volume of the first automatically controlled chip U1 and is connected, the volume of the first automatically controlled chip U1 increases pin (PIN3) and is also connected with one end of the first switch S 1-VOL+, the output that the Power supply negative pole pin (PIN2) of the first automatically controlled chip U1 is sound volume regulation unit 13 is connected with the other end of the first switch S 1-VOL+, one end of resistance R2 is also connected with one end of resistance R8 and one end of resistance R4 simultaneously, the other end of resistance R8 controls pin (PIN6) with the load of the first automatically controlled chip U1 and is connected, the other end of resistance R4 is connected with the anode of diode D2, the negative electrode of diode D2 is connected with the little pin of volume down (PIN4) of the first automatically controlled chip U1, the little pin of volume down (PIN4) of the first automatically controlled chip U1 is also connected with one end of second switch S2-VOL-, the other end of second switch S2-VOL-is connected with the Power supply negative pole pin (PIN2) of the first automatically controlled chip U1, the feeder ear that the Power supply positive pole (PIN5) of the first automatically controlled chip U1 is sound volume regulation unit 13.
Power supply unit 14 comprises:
Resistance R6, electric capacity C3, electric capacity C4, electric capacity C5 and diode D3;
One end of resistance R6 is the input of power supply unit 14, the other end of resistance R6 is connected with the anode of diode D3 and one end of electric capacity C3 simultaneously, the negative electrode of diode D3 is connected with one end of electric capacity C4 and one end of electric capacity C5 while of being the control end of power supply unit 14, and the other end of the other end of electric capacity C4, the other end of electric capacity C5 and electric capacity C3 is the output of power supply unit 14 simultaneously.
As one embodiment of the present invention, this earphone control circuit can also comprise microphone unit 15, for obtaining environment voice signal, the input of this microphone unit 15 is connected with the M+ port of compatibility interface unit 11, and the output of microphone unit 15 is connected with the M-port of compatibility interface unit 11.
This microphone unit 15 comprises:
Resistance R5, resistance R7, electric capacity C2, electric capacity C6 and microphone MIC;
One end of resistance R5 is the input of microphone unit 15, the other end of resistance R5 is connected with one end of resistance R7 and one end of electric capacity C2 simultaneously, the other end of electric capacity C2 is connected with second pin 2 of microphone MIC, the other end of resistance R7 is connected with first pin 1 of microphone MIC and one end of electric capacity C6 simultaneously, and the other end of electric capacity C6 is three pin 3 of output with microphone MIC of microphone unit 15, the 4th pin 4 is connected.
In embodiments of the present invention, when being connected with IOS system, play instruction signal is sent to the first automatically controlled chip U1 by the 3rd switch S 3-PLAY, first automatically controlled chip U1 is according to the left power amplifier unit SPK1 of play instruction signal controlling audio signal by earphone, right power amplifier unit SPK2 exports, and playing in music or the process that receives calls, first switch S 1-VOL+ can be passed through, the button of second switch S2-VOL-sends tuning command signal to the first automatically controlled chip U1, the tuning command signal that first automatically controlled chip U1 sends according to the first switch S 1-VOL+ increases volume, the tuning command signal sent by second switch S2-VOL-reduces the volume of audio signal.
The embodiment of the present invention realizes by compatible earphone control circuit the audio signal that earphone compatible plays IOS or Android system output, and there is the function of tuning, break the separate headset that IOS system on the market and Android system are at present special, greatly reduce the classification of commercial type product, decrease the repeatability of production, because this earphone compatible is good, be therefore more convenient to keeping and carry, substantially increase Consumer's Experience, reduce and produce waste.
The exemplary circuit structure that the earphone control circuit that Fig. 3 shows the embodiment of the present invention to be provided is connected with Android system, for convenience of explanation, illustrate only part related to the present invention.
As one embodiment of the invention, sound volume regulation unit 13 can also comprise:
Resistance R12, resistance R13, resistance R14, resistance R18, electric capacity C11, diode D12, the 4th switch S 4-VOL+, the 5th switch S 5-VOL-and the second automatically controlled chip U2;
One end of resistance R18 is that the input of sound volume regulation unit 13 is connected with one end of resistance R12, the other end of resistance R18 increases pin (PIN3) with the volume of the second automatically controlled chip U2 and is connected, the other end of resistance R12 is connected with the mutual pin of signal (PIN1) of the second automatically controlled chip U2, the mutual pin of signal (PIN1) of the second automatically controlled chip U2 is also connected with one end of the 4th switch S 4-VOL+, the output that the Power supply negative pole pin (PIN2) of the second automatically controlled chip U2 is sound volume regulation unit 13 is connected with the other end of the 4th switch S 4-VOL+, one end of resistance R12 is also connected with one end of electric capacity C11 and one end of resistance R14 simultaneously, the other end of electric capacity C11 is connected with one end of resistance R13, the other end of resistance R13 controls pin (PIN6) with the load of the second automatically controlled chip U2 and is connected, the other end of resistance R14 is connected with the anode of diode D12, the negative electrode of diode D12 is connected with the little pin of volume down (PIN4) of the second automatically controlled chip U2, the little pin of volume down (PIN4) of the second automatically controlled chip U2 is also connected with one end of the 5th switch S 5-VOL-, the other end of the 5th switch S 5-VOL-is also the output of sound volume regulation unit 13, the feeder ear that the Power supply positive pole (PIN5) of the second automatically controlled chip U2 is sound volume regulation unit 13.
As one embodiment of the invention, the M-port of compatibility interface unit 11 also can ground connection.
In embodiments of the present invention, when being connected with Android system, power supply unit 14 does not work, playing control unit 12 and microphone unit 15 normally work, for in sound volume regulation unit 13, because the second automatically controlled chip U2 does not work, therefore the device worked is only resistance R12, resistance R14, diode D12 and the 4th switch S 4-VOL+, 5th switch S 5-VOL-, by the conducting of the button of the 3rd switch S 3-PLAY or the voltage of closed concept transfer C, the left power amplifier unit SPK1 of audio signal by earphone is controlled according to the voltage signal of change, right power amplifier unit SPK2 exports, and playing in music or the process that receives calls, 4th switch S 4-VOL+ can be passed through, the conducting or closed of the button of the 5th switch S 5-VOL-, concept transfer A, voltage on B, the volume increasing or reduce audio signal is controlled according to the voltage signal of change.
Another object of the embodiment of the present invention is, provides a kind of line traffic control equipment adopting above-mentioned earphone control circuit.
Another object of the embodiment of the present invention is, provides a kind of tuning earphone adopting above-mentioned line traffic control equipment.
The embodiment of the present invention realizes by compatible earphone control circuit the audio signal that earphone compatible plays IOS or Android system output, and there is the function of tuning, break the separate headset that IOS system on the market and Android system are at present special, greatly reduce the classification of commercial type product, decrease the repeatability of production, because this earphone compatible is good, be therefore more convenient to keeping and carry, substantially increase Consumer's Experience, reduce and produce waste.
These are only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an earphone control circuit, its input is connected with audio output, and its output is connected with the left and right power amplifier unit of earphone respectively, it is characterized in that, described circuit comprises:
Compatibility interface unit, for being connected with Android or IOS system earphone compatibility, described compatibility interface unit comprises L port, R port, M+ port and M-port, the L port of described compatibility interface unit is connected with the positive pole of the left power amplifier unit of described earphone, the R port of described compatibility interface unit is connected with the positive pole of the right power amplifier unit of described earphone, and the M-port of described compatibility interface unit is connected with the negative pole of the left and right power amplifier unit of described earphone simultaneously;
Playing control unit, play for controlling audio frequency, the input of described playing control unit is connected with the M+ port of described compatibility interface unit, and the output of described playing control unit is connected with the M-port of described compatibility interface unit;
Sound volume regulation unit, for regulating earpiece volume, the input of described sound volume regulation unit is connected with the M+ port of described compatibility interface unit, and the output of described sound volume regulation unit is connected with the M-port of described compatibility interface unit;
Power supply unit, for keeping the supply power voltage of described sound volume regulation unit, the input of described power supply unit is connected with the M+ port of described compatibility interface unit, the output of described power supply unit is connected with the M-port of described compatibility interface unit, and the control end of described power supply unit is connected with the feeder ear of described sound volume regulation unit.
2. circuit as claimed in claim 1, is characterized in that, the M-port ground connection of described compatibility interface unit.
3. circuit as claimed in claim 1, it is characterized in that, described playing control unit comprises:
3rd switch, one end of described 3rd switch is the input of described playing control unit, and the other end of described 3rd switch is the output of described playing control unit.
4. circuit as claimed in claim 1, it is characterized in that, described sound volume regulation unit comprises:
Resistance R2, resistance R3, resistance R4, resistance R8, electric capacity C1, diode D2, the first switch, second switch and the first automatically controlled chip;
One end of described electric capacity C1 is that the input of described sound volume regulation unit is connected with one end of described resistance R2, the other end of described electric capacity C1 is connected with one end of described resistance R3, the other end of described resistance R3 is connected with the mutual pin of signal (PIN1) of described first automatically controlled chip, the other end of described resistance R2 increases pin (PIN3) with the volume of described first automatically controlled chip and is connected, the volume of described first automatically controlled chip increases pin (PIN3) and is also connected with one end of described first switch, the output that the Power supply negative pole pin (PIN2) of described first automatically controlled chip is described sound volume regulation unit is connected with the other end of described first switch, one end of described resistance R2 is also connected with one end of described resistance R8 and one end of described resistance R4 simultaneously, the other end of described resistance R8 controls pin (PIN6) with the load of described first automatically controlled chip and is connected, the other end of described resistance R4 is connected with the anode of described diode D2, the negative electrode of described diode D2 is connected with the little pin of volume down (PIN4) of described first automatically controlled chip, the little pin of volume down (PIN4) of described first automatically controlled chip is also connected with one end of described second switch, the other end of described second switch is connected with the Power supply negative pole pin (PIN2) of described first automatically controlled chip, the feeder ear that the Power supply positive pole (PIN5) of described first automatically controlled chip is described sound volume regulation unit.
5. circuit as claimed in claim 1, it is characterized in that, described sound volume regulation unit comprises:
Resistance R12, resistance R13, resistance R14, resistance R18, electric capacity C11, diode D12, the 4th switch, the 5th switch and the second automatically controlled chip;
One end of described resistance R18 is that the input of described sound volume regulation unit is connected with one end of described resistance R12, the other end of described resistance R18 increases pin (PIN3) with the volume of described second automatically controlled chip and is connected, the other end of described resistance R12 is connected with the mutual pin of signal (PIN1) of described second automatically controlled chip, the mutual pin of signal (PIN1) of described second automatically controlled chip is also connected with one end of described 4th switch, the output that the Power supply negative pole pin (PIN2) of described second automatically controlled chip is described sound volume regulation unit is connected with the other end of described 4th switch, one end of described resistance R12 is also connected with one end of described electric capacity C11 and one end of described resistance R14 simultaneously, the other end of described electric capacity C11 is connected with one end of described resistance R13, the other end of described resistance R13 controls pin (PIN6) with the load of described second automatically controlled chip and is connected, the other end of described resistance R14 is connected with the anode of described diode D12, the negative electrode of described diode D12 is connected with the little pin of volume down (PIN4) of described second automatically controlled chip, the little pin of volume down (PIN4) of described second automatically controlled chip is also connected with one end of described 5th switch, the other end of described 5th switch is also the output of described sound volume regulation unit, the feeder ear that the Power supply positive pole (PIN5) of described second automatically controlled chip is described sound volume regulation unit.
6. circuit as claimed in claim 1, it is characterized in that, described power supply unit comprises:
Resistance R6, electric capacity C3, electric capacity C4, electric capacity C5 and diode D3;
One end of described resistance R6 is the input of described power supply unit, the other end of described resistance R6 is connected with the anode of described diode D3 and one end of described electric capacity C3 simultaneously, the negative electrode of described diode D3 is connected with one end of described electric capacity C4 and one end of described electric capacity C5 while of being the control end of described power supply unit, and the other end of the other end of described electric capacity C4, the other end of described electric capacity C5 and described electric capacity C3 is the output of described power supply unit simultaneously.
7. circuit as claimed in claim 1, it is characterized in that, described circuit also comprises microphone unit, for obtaining environment voice signal, the input of described microphone unit is connected with the M+ port of described compatibility interface unit, and the output of described microphone unit is connected with the M-port of described compatibility interface unit.
8. circuit as claimed in claim 7, it is characterized in that, described microphone unit comprises:
Resistance R5, resistance R7, electric capacity C2, electric capacity C6 and microphone;
One end of described resistance R5 is the input of described microphone unit, the other end of described resistance R5 is connected with one end of described resistance R7 and one end of described electric capacity C2 simultaneously, the other end of described electric capacity C2 is connected with the second pin of described microphone, the other end of described resistance R7 is connected with the first pin of described microphone and one end of described electric capacity C6 simultaneously, and the other end of described electric capacity C6 is three pin of output with described microphone of described microphone unit, the 4th pin is connected.
9. a line traffic control equipment, is characterized in that, described line traffic control equipment comprises the earphone control circuit as described in any one of claim 1 to 8.
10. a tuning earphone, is characterized in that, described tuning earphone comprises line traffic control equipment as claimed in claim 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510072497.2A CN104780484B (en) | 2015-02-10 | 2015-02-10 | A kind of earphone control circuit, line traffic control equipment and tuning earphone |
| PCT/CN2015/075388 WO2016127476A1 (en) | 2015-02-10 | 2015-03-30 | Headset control circuit, drive-by-wire device and tuning headset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510072497.2A CN104780484B (en) | 2015-02-10 | 2015-02-10 | A kind of earphone control circuit, line traffic control equipment and tuning earphone |
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| Publication Number | Publication Date |
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| CN104780484A true CN104780484A (en) | 2015-07-15 |
| CN104780484B CN104780484B (en) | 2016-08-17 |
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| CN201510072497.2A Active CN104780484B (en) | 2015-02-10 | 2015-02-10 | A kind of earphone control circuit, line traffic control equipment and tuning earphone |
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| Country | Link |
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| CN (1) | CN104780484B (en) |
| WO (1) | WO2016127476A1 (en) |
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| CN105451135A (en) * | 2015-12-18 | 2016-03-30 | 中名(东莞)电子有限公司 | Three-key earphone control box optimization circuit capable of switching android or apple system |
| WO2017101170A1 (en) * | 2015-12-18 | 2017-06-22 | 富士高实业有限公司 | Three-button earphone control box optimization circuit capable of switching android or apple system |
| CN105451135B (en) * | 2015-12-18 | 2019-05-17 | 中名(东莞)电子有限公司 | Three key earphone control boxes of changeable Android or apple system optimize circuit |
| CN107257518A (en) * | 2017-08-15 | 2017-10-17 | 上海摩软通讯技术有限公司 | Earphone interconnecting device and its forwarding method |
| CN107257518B (en) * | 2017-08-15 | 2019-06-18 | 上海摩软通讯技术有限公司 | Earphone interconnecting device and its forwarding method |
| CN108076407A (en) * | 2017-12-18 | 2018-05-25 | 广东思派康电子科技有限公司 | The call control system of Type-C earphones |
| CN108076407B (en) * | 2017-12-18 | 2020-01-03 | 广东思派康电子科技有限公司 | Incoming call control system of Type-C earphone |
| CN114446261A (en) * | 2020-10-30 | 2022-05-06 | 高创(苏州)电子有限公司 | Method for controlling display by wire control earphone and related device |
| US11778362B2 (en) | 2020-10-30 | 2023-10-03 | K-Tronics (Su Zhou) Technology Co., Ltd. | Method of controlling display by headset with inline control, and related devices |
| CN114446261B (en) * | 2020-10-30 | 2023-12-01 | 高创(苏州)电子有限公司 | Method for controlling display by using earphone by wire and related device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104780484B (en) | 2016-08-17 |
| WO2016127476A1 (en) | 2016-08-18 |
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