CN104780484B - A kind of earphone control circuit, line traffic control equipment and tuning earphone - Google Patents
A kind of earphone control circuit, line traffic control equipment and tuning earphone Download PDFInfo
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- CN104780484B CN104780484B CN201510072497.2A CN201510072497A CN104780484B CN 104780484 B CN104780484 B CN 104780484B CN 201510072497 A CN201510072497 A CN 201510072497A CN 104780484 B CN104780484 B CN 104780484B
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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 electronic applications, it is provided that a kind of earphone control circuit, line traffic control equipment and tuning earphone, and this circuit includes: compatibility interface unit, for being connected with Android or IOS system earphone compatibility, including L, R, M+ and M-end；Playing control unit, its input is connected with compatibility interface unit M+ end, and its outfan is connected with compatibility interface unit M-end；Sound volume regulation unit, its input is connected with compatibility interface unit M+ end, and its outfan is connected with compatibility interface unit M-end；Power supply unit, its input is connected with compatibility interface unit M+ end, and its outfan is connected with compatibility interface unit M-end, and it controls end and is connected with the feeder ear of sound volume regulation unit.The earphone that the present invention provides compatible can play IOS or the audio signal of Android system output, and has the function of tuning, reduces the classification of commercial type product, reduces and produce waste, easily facilitates keeping and carry, improve Consumer's 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
Music can be appreciated anywhere or anytime by portable earphone, current audio equipment mostly load Android system or
IOS system, but, by voltage, earpiece volume is realized alternately for Android system and controls, for IOS
System is realized earpiece volume alternately and controls by signal, and both often cannot be compatible, causes user to need
Using special earphone for different audio frequency apparatuses, earphone quantity is more, the most not readily portable, also holds
Easily obscure mutually, affect Consumer's Experience, also result in the biggest production waste simultaneously.
Summary of the invention
The purpose of the embodiment of the present invention is to provide a kind of earphone control circuit, it is intended to solve existing tuning earphone
The audio frequency exported for Android system and IOS system cannot the compatible problem exported.
The embodiment of the present invention is achieved in that a kind of earphone control circuit, its input and audio output
Connecting, its outfan is connected with the left and right power amplifier unit of earphone respectively, and described circuit includes:
Compatibility interface unit, for being connected with Android or IOS system earphone compatibility, described compatibility interface unit
Including L port, R port, M+ port and M-port, the L port of described compatibility interface unit is with described
The positive pole of the left power amplifier unit of earphone connects, the R port of described compatibility interface unit and the right merit of described earphone
The positive pole putting unit connects, the M-port of described compatibility interface unit simultaneously with the left and right power amplifier of described earphone
The negative pole of unit connects；
Playing control unit, is used for controlling audio frequency and plays, and the input of described playing control unit is held concurrently with described
The M+ port holding interface unit connects, the outfan of described playing control unit and described compatibility interface unit
M-port connect；
Sound volume regulation unit, is used for regulating earpiece volume, and the input of described sound volume regulation unit is held concurrently with described
The M+ port holding interface unit connects, the outfan of described sound volume regulation unit and described compatibility interface unit
M-port connect, described sound volume regulation unit includes automatically controlled chip and multiple device；
Power supply unit, for keeping the supply voltage of described sound volume regulation unit, the input of said supply unit
End is connected with the M+ port of described compatibility interface unit, and the outfan of said supply unit connects with described compatibility
The M-port of mouth unit connects, and the feeder ear controlling end and described sound volume regulation unit of said supply unit is even
Connect；
When described compatibility interface unit is connected with IOS system earphone, by the electricity in described sound volume regulation unit
Control chip sends tuning command signal, controls the left and right power amplifier unit output of earphone；
When described compatibility interface unit is connected with Android system earphone, said supply unit does not works, described sound
In amount regulation unit, automatically controlled chip does not works, and changes described volume by the device in described sound volume regulation unit
Regulation unit input terminal voltage controls the left and right power amplifier unit output of earphone.
The another object of the embodiment of the present invention is, it is provided that a kind of line traffic control using above-mentioned earphone control circuit sets
Standby.
The another object of the embodiment of the present invention is, it is provided that a kind of tuning earphone using above-mentioned line traffic control equipment.
The embodiment of the present invention realizes earphone compatible by compatible earphone control circuit and plays IOS or Android system
The audio signal of system output, and there is the function of tuning, break IOS system the most on the market and peace
The separate headset of tall and erect system-specific, greatly reduces the classification of commercial type product, decreases the weight of production
Renaturation, owing to this earphone compatible is good, therefore easily facilitates keeping and carries, substantially increasing 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 that the earphone control circuit that Fig. 2 provides for the embodiment of the present invention is connected with IOS system
Figure；
The exemplary circuit structure that the earphone control circuit that Fig. 3 provides for the embodiment of the present invention is connected with Android system
Figure.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example, the present invention is further elaborated.Only should be appreciated that specific embodiment described herein
Only in order to explain the present invention, it is not intended to limit the present invention.Additionally, each reality of invention described below
Just can be mutually combined as long as the technical characteristic involved by executing in mode does not constitutes conflict each other.
The embodiment of the present invention realizes earphone compatible by compatible earphone control circuit and plays IOS or Android system
The audio signal of system output, and there is the function of tuning, reduce the classification of commercial type product, subtract
Produce waste less, easily facilitate keeping and carry, improve Consumer's Experience.
Below in conjunction with specific embodiment, the 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, for convenience of description, only
Show part related to the present invention.
As one embodiment of the invention, this earphone control circuit can apply to any line traffic control equipment and tuning
In earphone, the input of this earphone control circuit is connected with audio output, the output of this earphone control circuit
End is connected with the left and right power amplifier unit of earphone respectively, and this earphone control circuit specifically includes:
Compatibility interface unit 11, for being connected with Android or IOS system earphone compatibility, compatibility interface unit 11
Including L port, R port, M+ port and M-port, the L port of compatibility interface unit 11 and earphone
The positive pole of left power amplifier unit SPK1 connects, the R port of compatibility interface unit 11 and the right power amplifier unit of earphone
The positive pole of SPK2 connects, the M-port of compatibility interface unit 11 simultaneously with the left power amplifier unit SPK1 of earphone,
The negative pole of right power amplifier unit SPK2 connects；
Playing control unit 12, is used for controlling audio frequency and plays, and the input of playing control unit 12 is with compatible
The M+ port of interface unit 11 connects, the outfan of playing control unit 12 and compatibility interface unit 11
M-port connects；
Sound volume regulation unit 13, is used for regulating earpiece volume, and the input of sound volume regulation unit 13 is with compatible
The M+ port of interface unit 11 connects, the outfan of sound volume regulation unit 13 and compatibility interface unit 11
M-port connects；
Power supply unit 14, for keeping the supply voltage of sound volume regulation unit 13, the input of power supply unit 14
End is connected with the M+ port of compatibility interface unit 11, the outfan of power supply unit 14 and compatibility interface unit
The M-port of 11 connects, and the end that controls 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 be with Android system earphone compatible, it is also possible to
Compatible with IOS system earphone, and by playing control unit 12 being carried out by key control or can touch
Touch control realization receive calls or play music, by sound volume regulation unit 13 by key control or touch
Touch the control realization regulation to audio volume.
As one embodiment of the invention, sound volume regulation unit 13 can be with other functions of multiplexing, such as at this electricity
When road is applied to mobile phone line control equipment, volume adjusting key can also be as the switch key of music track, such as,
The short switch key increased by volume is used for increasing volume of music, and the long switch key increased by volume is used for cutting
Changing to next song, the short switch key reduced by volume is used for reducing volume of music, long by volume reduction
Switch key be used for being switched to a first song, herein for long by or the identification of the short instruction pressed, permissible
By single-chip microcomputer or automatically controlled chip are arranged and realize.
Accordingly, it is to be understood that ground, the embodiment of the present invention is not limited to only may be used for sound volume regulation unit 13
To realize the mesh ground of regulation volume, it is also possible to for other application function.
The embodiment of the present invention realizes earphone compatible by compatible earphone control circuit and plays IOS or Android system
The audio signal of system output, and there is the function of tuning, break IOS system the most on the market and peace
The separate headset of tall and erect system-specific, greatly reduces the classification of commercial type product, decreases the weight of production
Renaturation, owing to this earphone compatible is good, therefore easily facilitates keeping and carries, substantially increasing Consumer's Experience,
Reduce and produce waste.
Fig. 2 shows the exemplary circuit that the earphone control circuit that the embodiment of the present invention provides is connected with IOS system
Structure, for convenience of description, illustrate only part related to the present invention.
As one embodiment of the invention, this playing control unit 12 includes:
3rd switch S3-PLAY, the input that one end is playing control unit 12 of the 3rd switch S3-PLAY
End, the outfan that the other end is playing control unit 12 of the 3rd switch S3-PLAY.
Preferably, the 3rd switch S3-PLAY can use key switch, it would however also be possible to employ soft-touch control.
Sound volume regulation unit 13 includes:
Resistance R2, resistance R3, resistance R4, resistance R8, electric capacity C1, diode D2, the first switch
The automatically controlled chip U1 of S1-VOL+, second switch S2-VOL-and first；
One end of electric capacity C1 is that the input of sound volume regulation unit 13 is connected with one end of resistance R2, electric capacity
The other end of C1 is connected with one end of resistance R3, the other end of resistance R3 and the letter of the first automatically controlled chip U1
Number mutual pin (PIN1) connects, and the volume increase of the other end of resistance R2 and the first automatically controlled chip U1 is drawn
Foot (PIN3) connects, and the volume of the first automatically controlled chip U1 increases pin (PIN3) and also switchs with first
One end of S1-VOL+ connects, and the power supply of the first automatically controlled chip U1 negative pin (PIN2) of powering is volume
The outfan of regulation unit 13 and the other end of the first switch S1-VOL+ connect, and one end of resistance R2 is also same
Time be connected with one end of resistance R8 and one end of resistance R4, the other end of resistance R8 and the first automatically controlled chip
The load of U1 controls pin (PIN6) and connects, and the other end of resistance R4 is connected with the anode of diode D2,
The little pin of the volume down (PIN4) of the negative electrode of diode D2 and the first automatically controlled chip U1 connects, and first is automatically controlled
The little pin of the volume down (PIN4) of chip U1 also one end with second switch S2-VOL-is connected, and second opens
The power supply of the other end and the first automatically controlled chip U1 that close S2-VOL-is powered negative pin (PIN2) connection,
The power supply of the first automatically controlled chip U1 is powered the feeder ear that positive pole (PIN5) is sound volume regulation unit 13.
Power supply unit 14 includes:
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, and the other end of resistance R6 is simultaneously and diode
The anode of D3 and one end of electric capacity C3 connect, and the negative electrode of diode D3 is that the control end of power supply unit 14 is same
Time be connected with one end of electric capacity C4 and one end of electric capacity C5, the other end of electric capacity C4, electric capacity C5 another
The other end of one end and electric capacity C3 is the outfan of power supply unit 14 simultaneously.
As one embodiment of the present invention, this earphone control circuit can also include microphone unit 15, uses
In the M+ end obtaining environment voice signal, the input of this microphone unit 15 and compatibility interface unit 11
Mouth connects, and the outfan of microphone unit 15 is connected with the M-port of compatibility interface unit 11.
This microphone unit 15 includes:
Resistance R5, resistance R7, electric capacity C2, electric capacity C6 and mike MIC；
One end of resistance R5 is the input of microphone unit 15, and the other end of resistance R5 is simultaneously and resistance
One end of R7 and one end of electric capacity C2 connect, the other end of electric capacity C2 and second pin of mike MIC
2 connect, and the other end of resistance R7 connects with first pin 1 of mike MIC and one end of electric capacity C6 simultaneously
Connect, the other end of electric capacity C6 be outfan and the mike MIC of microphone unit 15 the 3rd pin 3,
4th pin 4 connects.
In embodiments of the present invention, when being connected with IOS system, by the 3rd switch S3-PLAY to first
Automatically controlled chip U1 sends play instruction signal, and the first automatically controlled chip U1 controls audio frequency according to play instruction signal
Signal by the left power amplifier unit SPK1 of earphone, right power amplifier unit SPK2 export, and play music or
During person receives calls, can be by the first switch S1-VOL+, button of second switch S2-VOL-
Sending tuning command signal to the first automatically controlled chip U1, the first automatically controlled chip U1 is according to the first switch
The tuning command signal that S1-VOL+ sends increases volume, and the tuning sent by second switch S2-VOL-is referred to
Signal is made to reduce the volume of audio signal.
The embodiment of the present invention realizes earphone compatible by compatible earphone control circuit and plays IOS or Android system
The audio signal of system output, and there is the function of tuning, break IOS system the most on the market and peace
The separate headset of tall and erect system-specific, greatly reduces the classification of commercial type product, decreases the weight of production
Renaturation, owing to this earphone compatible is good, therefore easily facilitates keeping and carries, substantially increasing Consumer's Experience,
Reduce and produce waste.
Fig. 3 shows the exemplary circuit that the earphone control circuit that the embodiment of the present invention provides is connected with Android system
Structure, for convenience of description, illustrate only part related to the present invention.
As one embodiment of the invention, sound volume regulation unit 13 can also include:
Resistance R12, resistance R13, resistance R14, resistance R18, electric capacity C11, diode D12, the 4th
Switch S4-VOL+, the 5th switch S5-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, electricity
The other end of resistance R18 and the volume of the second automatically controlled chip U2 increase pin (PIN3) and connect, resistance R12
The other end and the second automatically controlled chip U2 the mutual pin of signal (PIN1) connect, the second automatically controlled chip U2
The mutual pin of signal (PIN1) also with the 4th switch S4-VOL+ one end be connected, the second automatically controlled chip
The power supply of U2 is powered the outfan and the 4th switch that negative pin (PIN2) is sound volume regulation unit 13
The other end of S4-VOL+ connects, one end of resistance R12 also simultaneously with one end and the resistance R14 of electric capacity C11
One end connect, the other end of electric capacity C11 is connected with one end of resistance R13, the other end of resistance R13 and
The load of the second automatically controlled chip U2 controls pin (PIN6) and connects, the other end of resistance R14 and diode
The anode of D12 connects, the negative electrode of diode D12 and the little pin of the volume down (PIN4) of the second automatically controlled chip U2
Connecting, the little pin of the volume down (PIN4) of the second automatically controlled chip U2 also switchs the one of S5-VOL-with the 5th
End connects, and the other end of the 5th switch S5-VOL-is also the outfan of sound volume regulation unit 13, and second is automatically controlled
The power supply of chip U2 is powered the feeder ear that positive pole (PIN5) is sound volume regulation unit 13.
As one embodiment of the invention, the M-port of compatibility interface unit 11 can also ground connection.
In embodiments of the present invention, when being connected with Android system, power supply unit 14 does not works, and plays and controls
Unit 12 and microphone unit 15 normally work, in sound volume regulation unit 13, due to the second automatically controlled core
Sheet U2 does not work, the device therefore worked be only resistance R12, resistance R14, diode D12 with
And the 4th switch S4-VOL+, the 5th switch S5-VOL-, by the button of the 3rd switch S3-PLAY
Conducting or the voltage of Guan Bi concept transfer C, control audio signal according to the voltage signal of change and pass through earphone
Left power amplifier unit SPK1, right power amplifier unit SPK2 output, and playing music or receiving calls
During, conducting or the Guan Bi of the button of the 4th switch S4-VOL+, the 5th switch S5-VOL-can be passed through,
Voltage on concept transfer A, B, controls to increase or reduce audio signal according to the voltage signal of change
Volume.
The another object of the embodiment of the present invention is, it is provided that a kind of line traffic control using above-mentioned earphone control circuit sets
Standby.
The another object of the embodiment of the present invention is, it is provided that a kind of tuning earphone using above-mentioned line traffic control equipment.
The embodiment of the present invention realizes earphone compatible by compatible earphone control circuit and plays IOS or Android system
The audio signal of system output, and there is the function of tuning, break IOS system the most on the market and peace
The separate headset of tall and erect system-specific, greatly reduces the classification of commercial type product, decreases the weight of production
Renaturation, owing to this earphone compatible is good, therefore easily facilitates keeping and carries, substantially increasing Consumer's Experience,
Reduce and produce waste.
These are only presently preferred embodiments of the present invention, not in order to limit the present invention, all the present invention's
Any amendment, equivalent and the improvement etc. made within spirit and principle, should be included in the guarantor of the present invention
Within the scope of protecting.
Claims (8)
1. an earphone control circuit, its input is connected with audio output, its outfan respectively with earphone
Left and right power amplifier unit connect, it is characterised in that described circuit includes:
Compatibility interface unit, for being connected with Android or IOS system earphone compatibility, described compatibility interface unit
Including L port, R port, M+ port and M-port, the L port of described compatibility interface unit is with described
The positive pole of the left power amplifier unit of earphone connects, the R port of described compatibility interface unit and the right merit of described earphone
The positive pole putting unit connects, the M-port of described compatibility interface unit simultaneously with the left and right power amplifier of described earphone
The negative pole of unit connects；
Playing control unit, is used for controlling audio frequency and plays, and the input of described playing control unit is held concurrently with described
The M+ port holding interface unit connects, the outfan of described playing control unit and described compatibility interface unit
M-port connect；
Sound volume regulation unit, is used for regulating earpiece volume, and the input of described sound volume regulation unit is held concurrently with described
The M+ port holding interface unit connects, the outfan of described sound volume regulation unit and described compatibility interface unit
M-port connect；
Power supply unit, for keeping the supply voltage of described sound volume regulation unit, the input of said supply unit
End is connected with the M+ port of described compatibility interface unit, and the outfan of said supply unit connects with described compatibility
The M-port of mouth unit connects, and the feeder ear controlling end and described sound volume regulation unit of said supply unit is even
Connect described sound volume regulation unit to include:
Resistance R2, resistance R3, resistance R4, resistance R8, electric capacity C1, diode D2, first switch,
Second switch and the first automatically controlled chip；
The input that one end is described sound volume regulation unit of described electric capacity C1 connects with one end of described resistance R2
Connecing, the other end of described electric capacity C1 is connected with one end of described resistance R3, the other end of described resistance R3
Be connected with the mutual pin of the signal (PIN1) of described first automatically controlled chip, the other end of described resistance R2 with
The volume of described first automatically controlled chip increases pin (PIN3) and connects, and the volume of described first automatically controlled chip increases
Adding pin (PIN3) one end also with described first switch to be connected, the power supply of described first automatically controlled chip is powered
Negative pin (PIN2) is that the outfan of described sound volume regulation unit is connected with the other end of described first switch,
One end of described resistance R2 is connected with one end of one end of described resistance R8 and described resistance R4 also simultaneously,
The other end of described resistance R8 controls pin (PIN6) with the load of described first automatically controlled chip and is connected, institute
The anode of the other end and described diode D2 of stating resistance R4 is connected, the negative electrode of described diode D2 and institute
The little pin of the volume down (PIN4) stating the first automatically controlled chip connects, and the volume of described first automatically controlled chip reduces
Pin (PIN4) also one end with described second switch is connected, the other end of described second switch and described the
The power supply of one automatically controlled chip power negative pin (PIN2) connect, the power supply of described first automatically controlled chip is powered
Positive pole (PIN5) is the feeder ear of described sound volume regulation unit；
Or, described sound volume regulation unit includes:
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；
The input that one end is described sound volume regulation unit of described resistance R18 and one end of described resistance R12
Connecting, the other end of described resistance R18 increases pin (PIN3) even with the volume of described second automatically controlled chip
Connecing, the other end of described resistance R12 is connected with the mutual pin of the signal (PIN1) of described second automatically controlled chip,
The mutual pin of the signal (PIN1) of described second automatically controlled chip is also connected with the described 4th one end switched, institute
State the power supply of the second automatically controlled chip power outfan that negative pin (PIN2) is described sound volume regulation unit with
The other end of described 4th switch connects, one end of described resistance R12 also simultaneously with the one of described electric capacity C11
One end of end and described resistance R14 connects, the other end of described electric capacity C11 and one end of described resistance R13
Connecting, the other end of described resistance R13 controls pin (PIN6) even with the load of described second automatically controlled chip
Connecing, the other end of described resistance R14 is connected with the anode of described diode D12, described diode D12
Negative electrode be connected with the little pin of the volume down (PIN4) of described second automatically controlled chip, described second automatically controlled chip
The little pin of volume down (PIN4) also with described 5th switch one end is connected, described 5th switch another
End is also the outfan of described sound volume regulation unit, and the power supply of described second automatically controlled chip is powered positive pole (PIN5)
Feeder ear for described sound volume regulation unit.
2. circuit as claimed in claim 1, it is characterised in that the M-port of described compatibility interface unit
Ground connection.
3. circuit as claimed in claim 1, it is characterised in that described playing control unit includes:
3rd switch, the input that one end is described playing control unit of described 3rd switch, the described 3rd
The outfan that the other end is described playing control unit of switch.
4. circuit as claimed in claim 1, it is characterised in that said supply unit includes:
Resistance R6, electric capacity C3, electric capacity C4, electric capacity C5 and diode D3；
The input that one end is said supply unit of described resistance R6, the other end of described resistance R6 is simultaneously
Being connected with one end of the anode of described diode D3 and described electric capacity C3, the negative electrode of described diode D3 is
The end that controls of said supply unit is connected with one end of one end of described electric capacity C4 and described electric capacity C5 simultaneously,
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 simultaneously
The outfan of said supply unit.
5. circuit as claimed in claim 1, it is characterised in that described circuit also includes microphone unit,
For obtaining environment voice signal, the input of described microphone unit and the M+ of described compatibility interface unit
Port connects, and the outfan of described microphone unit is connected with the M-port of described compatibility interface unit.
6. circuit as claimed in claim 5, it is characterised in that described microphone unit includes:
Resistance R5, resistance R7, electric capacity C2, electric capacity C6 and mike；
The input that one end is described microphone unit of described resistance R5, the other end of described resistance R5 is same
Time be connected with one end of one end of described resistance R7 and described electric capacity C2, the other end of described electric capacity C2 with
Second pin of described mike connects, the other end of described resistance R7 simultaneously with the first of described mike
One end of pin and described electric capacity C6 connects, and the other end of described electric capacity C6 is the defeated of described microphone unit
Go out end to be connected with the 3rd pin, the 4th pin of described mike.
7. a line traffic control equipment, it is characterised in that described line traffic control equipment includes as claim 1 to 6 is arbitrary
Earphone control circuit described in Xiang.
8. a tuning earphone, it is characterised in that described tuning earphone includes line as claimed in claim 7
Control equipment.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104780484A CN104780484A (en) | 2015-07-15 |
| CN104780484B true 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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| US9712935B2 (en) * | 2015-08-31 | 2017-07-18 | Bose Corporation | Microphone compatibility |
| 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 |
| 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 |
| 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 |
| 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 |
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| CN204090123U (en) * | 2014-06-13 | 2015-01-07 | 深圳Tcl新技术有限公司 | Audio output control circuit and audio-frequence player device |
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2015
- 2015-02-10 CN CN201510072497.2A patent/CN104780484B/en active Active
- 2015-03-30 WO PCT/CN2015/075388 patent/WO2016127476A1/en active Application Filing
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| CN101841753A (en) * | 2010-02-24 | 2010-09-22 | 深圳桑菲消费通信有限公司 | Drive-by-wire earphone for portable electronic equipment and method for realizing drive-by-wire |
| CN202759584U (en) * | 2012-08-01 | 2013-02-27 | 无锡艾立德智能科技有限公司 | Button type stereo handset earphone volume control circuit |
| CN103634718A (en) * | 2013-11-27 | 2014-03-12 | 衡阳加一电子科技有限公司 | Earphone and line control device for same |
| CN103888871A (en) * | 2013-12-23 | 2014-06-25 | 衡阳加一电子科技有限公司 | Wire control device used for earphone and earphone |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104780484A (en) | 2015-07-15 |
| WO2016127476A1 (en) | 2016-08-18 |
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