CN205081951U - Drive -by -wire headphone circuit and drive -by -wire earphone - Google Patents
Drive -by -wire headphone circuit and drive -by -wire earphone Download PDFInfo
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- CN205081951U CN205081951U CN201520674323.9U CN201520674323U CN205081951U CN 205081951 U CN205081951 U CN 205081951U CN 201520674323 U CN201520674323 U CN 201520674323U CN 205081951 U CN205081951 U CN 205081951U
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Abstract
The utility model is suitable for a drive -by -wire earphone field provides a drive -by -wire headphone circuit, include with drive -by -wire headphone circuit in the mode switch key that is connected of microphone pin and respectively with volume among mode switch key, the drive -by -wire headphone circuit increase the key and the volume reduces the first mode circuit and the second mode circuit of key -type connection. The utility model discloses a set up mode switch key, compatibility in the first mode circuit and compatibility in the second mode circuit of iOS equipment of android equipment in drive -by -wire headphone circuit for this drive -by -wire headphone circuit can carry out mode switch through mode switch, can be applicable to android equipment and iOS equipment simultaneously, and simple, the easy realization of circuit, low cost are suitable for extensive popularization.
Description
Technical field
The utility model belongs to line control earphone field, particularly relate to a kind of can the simultaneously wire headset circuit of the compatible electronic equipment based on android system and iOS system and line control earphone.
Background technology
Common line control earphone can not the simultaneously compatible electronic equipment based on android system and iOS system, there will be the situation that the unstable or microphone of keypress function (such as: control song up/down, play and suspend) can not normally be sounded.
Existing can the line control earphone complex circuit of the simultaneously compatible electronic equipment based on android system and iOS system, with high costs.
Utility model content
The object of the utility model embodiment is to provide a kind of wire headset circuit and line control earphone, be intended to solve current can the line control earphone complex circuit of the compatible electronic equipment based on android system and iOS system simultaneously, problem with high costs.
The utility model embodiment realizes like this, a kind of wire headset circuit, comprise headset plug, headset switch, volume increases key and volume reduces key connection, the microphone pin of headset plug described in described headset switch one end connects, the other end and the grounding pin of described headset plug with being connected to altogether, also comprise:
The mode selector switch be connected with described microphone pin;
Increase key and described volume respectively with described mode selector switch, described volume and reduce first mode circuit that key is connected and the second mode circuit.
Preferably, described first mode circuit is bleeder circuit, described first mode circuit comprises and is connected on described mode selector switch and described volume and reduces diode D6 between key and resistance R9, and the positive pole of described diode D6 connects described mode selector switch, negative pole connects described resistance R9; Described first mode circuit also comprises and is connected on described mode selector switch and described volume and increases diode D5 between key and resistance R10, and the positive pole of described diode D5 connects described mode selector switch, negative pole connects described resistance R10.
Preferably, described second mode circuit comprises the control chip be connected with described mode selector switch, the control signal input of described control chip connects through resistance R6 and resistance R7 one end that described volume increases key, one end and the described resistance R6 and resistance R7 of described volume reduction key connect altogether, and the other end that the other end of described volume reduction key and described volume increase key is connected to ground altogether.
Preferably, described second mode circuit also comprises:
Electric capacity C3 between the volume control end being connected on described mode selector switch and described control chip and resistance R3;
Mode selector switch described in one termination, the resistance R1 of the sound source input end of control chip described in another termination;
Mode selector switch described in one termination, the Enable Pin of control chip described in another termination through the resistance R2 of electric capacity C4 ground connection.
Preferably, described volume increases key two ends and is parallel with bi-directional voltage stabilizing diode D3, and described volume reduces key two ends and is parallel with bi-directional voltage stabilizing diode D2.
Preferably, also comprise microphone chip and be connected to the eliminated noise LC oscillating circuit between described microphone chip and ground, the power pins of described microphone chip is connected with the microphone pin of inductance L 1 with described headset plug through resistance R11, described eliminated noise LC oscillating circuit comprises electric capacity C5, resistance R4 and resistance R8, between the signal output part that described electric capacity C5 and resistance R4 connects afterwards and resistance R8 is connected in parallel on described microphone chip and ground.
Preferably, also comprise described mode selector switch, NMOS tube Q1 that described control chip is connected with described microphone chip, the grid of described NMOS tube Q1 connects the power control terminal of described control chip, drain electrode connects described microphone chip earth terminal and described mode selector switch, source ground, be also parallel with Anti-static resistor R5 between NMOS tube Q1 grid and source electrode.
The utility model also provides a kind of line control earphone, comprises foregoing wire headset circuit.
Preferably, also comprise the left channel loudspeaker and right channel loudspeaker that are connected with described headset plug, the positive pole of described left channel loudspeaker and negative pole connect left channel pin and the grounding pin of described headset plug respectively, and the positive pole of described right channel loudspeaker and negative pole connect R channel pin and the grounding pin of described headset plug respectively.
Preferably, the microphone pin of described headset plug connects one end of described headset switch through inductance L 1, described earth terminal is connected to ground altogether through inductance L 2 and the other end of described headset switch, and two ends of described headset switch are parallel with bi-directional voltage stabilizing diode D1, electric capacity C1 and electric capacity C2 respectively.
The wire headset circuit that the utility model provides is compared to the beneficial effect of prior art: by arranging mode selector switch in wire headset circuit, be compatible with the first mode circuit of Android device and be compatible with the second mode circuit of iOS device, this wire headset circuit can be switched by pattern and carry out pattern switching, Android device and iOS device can be applicable to simultaneously, circuit is simple, be easy to realize, with low cost, be suitable for extensive popularization; By connecting an eliminated noise LC oscillating circuit between the output pin and ground of microphone chip, the high-frequency noise in wire headset circuit effectively can be suppressed; By at microphone pin, a N raceway groove insulated gate Q1 is set between the second mode circuit and ground, effectively can avoid the mutual interference between signal, an Anti-static resistor R5 in parallel at the two ends of N raceway groove insulated gate Q1, effectively can avoid line control earphone in use produced electrostatic, extend the useful life of earphone; By arranging bi-directional voltage stabilizing diode D1, D2 and D3 in circuit, the voltage stabilization in circuit effectively can be ensured.
Accompanying drawing explanation
Fig. 1 is the basic structure schematic diagram of the wire headset circuit that the utility model embodiment provides;
Fig. 2 is the circuit theory diagrams of the wire headset circuit that preferred embodiment of the present utility model provides;
The circuit theory diagrams of the line control earphone that Fig. 3 provides for the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 is the basic structure schematic diagram of the wire headset circuit that the utility model embodiment provides.
As shown in Figure 1, the wire headset circuit that the utility model embodiment provides, comprise headset plug 10, headset switch S1, volume increases key VOL+ and volume reduces key VOL-connection, described headset switch S1 one end is connected with the microphone pin M of described headset plug 10, the grounding pin G of the other end and described headset plug 10 is connected to ground altogether, described volume increases key and described volume reduces key also ground connection in parallel, described wire headset circuit also comprises the mode selector switch 20 be connected with described microphone pin M, and switch with described pattern respectively and open 20 passes, the first mode circuit 20 that described volume increase key VOL+ and described volume reduction key VOL-is connected and the second mode circuit 30.
The present embodiment by arranging mode selector switch in wire headset circuit, be compatible with the first mode circuit of Android device and be compatible with the second mode circuit of iOS device, this wire headset circuit can be switched by pattern and carry out pattern switching, Android device and iOS device can be applicable to simultaneously, circuit is simple, be easy to realize, with low cost, be suitable for extensive popularization.
In a particular application, described Android device is the electronic equipment such as mobile phone or panel computer based on android system, and described iOS device is the electronic equipment such as mobile phone or panel computer based on iOS system.
Fig. 2 is the circuit theory diagrams of the wire headset circuit that preferred embodiment of the present utility model provides.
As shown in Figure 2, this preferably implements the wire headset circuit provided, and comprises headset plug 10, headset switch S1, left channel loudspeaker L_SPK, right channel loudspeaker R_SPK, volume increases key VOL+ and volume reduces key VOL-;
Wherein, the microphone pin M of headset plug 10 is through one end of inductance L 1 lug machine switch S 1, the earth terminal G of headset plug 10 is connected to ground altogether through inductance L 2 and the other end of headset switch S1, and two ends of headset switch S1 are parallel with bi-directional voltage stabilizing diode D1, electric capacity C1 and electric capacity C2 respectively;
The positive pole of left channel loudspeaker L_SPK and negative pole meet left channel pin L and the grounding pin G of described headset plug 10 respectively, and the positive pole of described right channel loudspeaker R_SPK and negative pole meet R channel pin R and the grounding pin G of described headset plug 10 respectively;
Mode selector switch SW1 is double-point double-throw switch, two stiff end connects microphone pin M and the ground of headset plug 10 respectively, when wire headset circuit is applied to Android device, in two movable ends of this mode selector switch SW1, A termination first mode circuit 20, B end is connected with the drain electrode of N-type field effect transistor; When wire headset circuit is applied to iOS device, in two movable ends of this mode selector switch SW1, A termination second mode circuit 30, B hold ground connection;
First mode circuit 20 specifically comprises and is connected on that the positive pole that mode selector switch SW1 and volume reduce diode D6 between key VOL-and resistance R9, diode D6 connects mode selector switch SW1, negative pole connects resistance R9; Described first mode circuit 20 also comprises that the positive pole being connected on mode selector switch SW1 and volume and increasing diode D5 between key VOL+ and resistance R10, diode D5 connects mode selector switch SW1, negative pole connects resistance R10;
Second mode circuit 30 comprises the control chip U1 be connected with mode selector switch SW1, electric capacity C3 between the volume control end TONE being connected on mode selector switch SW1 and control chip U1 and resistance R3, the Enable Pin VSHUT of the resistance R1 of the sound source input end MIC of one termination mode selector switch SW1, another termination control chip U1, a termination mode selector switch SW1, another termination control chip U1 through the resistance R2 of electric capacity C4 ground connection; The control signal input REM of control chip U1 connects through resistance R6 and resistance R7 one end that volume increases key VOL+, one end and the resistance R6 and resistance R7 of volume reduction key VOL-connect altogether, and the other end of the other end and volume increase key VOL+ that volume reduces key VOL-is connected to ground altogether;
Volume increases key two ends and is parallel with bi-directional voltage stabilizing diode D3, and described volume reduces key two ends and is parallel with bi-directional voltage stabilizing diode D2;
Also comprise microphone chip MIC and be connected to the eliminated noise LC oscillating circuit between the signal output part MICOUT of microphone chip MIC and ground, the power pins of microphone chip MIC is connected with 10 microphone pin M of described headset plug with inductance L 1 through resistance R11, this eliminated noise LC oscillating circuit comprises electric capacity C5, resistance R4 and resistance R8, and electric capacity C5 and resistance R4 connects afterwards and resistance R8 is connected in parallel between the signal output part MICOUT of microphone chip MIC and ground;
Also comprise the NMOS tube Q1 be connected with mode selector switch SW1, control chip U1 and microphone chip MIC, the grid of NMOS tube Q1 meets the power control terminal PWR of control chip U1, drain electrode meets microphone chip MIC earth terminal GND and mode selector switch SW1, source ground, be also parallel with Anti-static resistor R5 between NMOS tube Q1 grid and source electrode;
In a particular application, NMOS tube Q1 is N channel field-effect pipe, and the resistance of resistance R5 is 887K Ω;
In a particular application, first mode circuit 20 is bleeder circuit, resistance R9 in this circuit and resistance R10 is adjustable resistance, by regulating the resistance of resistance R9 and resistance R10, and the forward conduction performance of diode D5 and diode D6 is coordinated to be in suitable parameter value to make the dividing potential drop of Android device; The nominal forward current of diode D5 and diode D6 is 1mA, forward voltage drop≤0.11V, specifically can select the B5817W_SOD123_1A type diode that the Changjiang river Electronics Co., Ltd. produces, except the diode of this model, when every forward current is 1mA, the diode of forward voltage drop≤0.11V just can be selected.
The circuit diagram of the line control earphone that Fig. 3 provides for the utility model embodiment.
As shown in Figure 3, the line control earphone that the utility model embodiment provides, comprise foregoing wire headset circuit, also comprise the left channel loudspeaker and right channel loudspeaker that are connected with described headset plug, the positive pole of described left channel loudspeaker and negative pole connect left channel pin and the grounding pin of described headset plug respectively, the positive pole of described right channel loudspeaker and negative pole connect R channel pin and the grounding pin of described headset plug respectively, the microphone pin of described headset plug connects one end of described headset switch through inductance L 1, described earth terminal is connected to ground altogether through inductance L 2 and the other end of described headset switch, two ends of described headset switch are parallel with bi-directional voltage stabilizing diode D1 respectively, electric capacity C1 and electric capacity C2.
In a particular application, the line control earphone that the wire headset circuit utilizing preferred enforcement of the present utility model to provide is made is connected with Android device or iOS device, as follows with the specific works principle realizing the correlation function of earphone:
One, Android device
When described wire headset circuit is applied to Android device, stir mode selector switch SW1, its A is held and connects first mode circuit 20, B end connects the drain electrode of N raceway groove insulated gate Q1, headset switch S1, volume increase function that key VOL+ and volume reduce key VOL-and realize mainly through point pressure-controlled of resistance R5, R6, diode D5 and diode D6, Android device transmits audio signal by the microphone pin M of headset plug 10, and the normal voltage value of microphone pin M is 2.2V;
Hanging up of phone realizes mainly through mode selector switch SW1, inductance L 1 and headset switch S1 with the F.F. of rejection, audio frequency, rewind, a upper song and next Qu Gongneng;
The increase function of audio volume realizes mainly through mode selector switch SW1, volume increase key VOL+, resistance R10 and diode D10;
The reduction function of audio volume realizes mainly through mode selector switch SW1, volume reduction key VOL-, resistance R9 and diode D9;
When needing to receive calls, press headset switch S1, make the audio signal ground connection of microphone pin M, now microphone pin M is low level (i.e. 0 level), Android device receives low level signal, to perform the operation received calls by microphone pin M;
Headset switch S1 is pressed in the process of sending a telegram here or receive calls, make the audio signal ground connection of microphone pin M, now microphone pin M is low level (i.e. 0 level), and Android device receives low level signal, with the operation performing rejection and hang up the telephone by microphone pin M;
When Android device be in standby, play in music or the process that receives calls time, the normal voltage of microphone pin M is 2.2V, now press volume and increase key VOL+, make that mode selector switch SW1, volume increase key VOL+, resistance R10 and diode D5 works, the voltage of microphone pin M is made to transfer 0.25V to, Android device passes through microphone pin M incoming level variable signal, to perform the operation that volume increases;
When Android device be in standby, play in music or the process that receives calls time, the normal voltage of microphone pin M is 2V, now press volume and reduce key VOL-, make that mode selector switch SW1, volume reduce key VOL-, resistance R9 and diode D6 works, the voltage of microphone pin M is made to transfer 0.55V to, Android device passes through microphone pin M incoming level variable signal, to perform the operation that volume reduces;
Headset switch S1 is pressed when Android device is in the process playing music, make the audio signal ground connection of microphone pin M, now microphone pin M is low level (i.e. 0 level), Android device receives low level signal by microphone pin M, perform the operation that music is suspended, when Android device is in the process of music time-out, make the audio signal ground connection of microphone pin M, now microphone pin M is low level (i.e. 0 level), Android device receives low level signal by microphone pin M, performs the operation of music;
Headset switch S1 is pressed continuously fast tri-times when Android device is in the process playing music, make continuous three ground connection of the audio signal of microphone pin M, now microphone pin M sends three low level signals, Android device receives three low level signals continuously by microphone pin M, performs the operation being transformed into a song;
Headset switch S1 is pressed fast twice continuously when Android device is in the process playing music, make the double ground connection of the audio signal of microphone pin M, now microphone pin M sends twice low level signal, Android device receives twice low level signal continuously by microphone pin M, performs the operation being transformed into next song.
Two, iOS device
When described wire headset circuit is applied to iOS device, stir mode selector switch SW1, its A is held and connects the second mode circuit 30, B holds ground connection, headset switch S1, volume increase function that key VOL+ and volume reduce key VOL-and realize mainly through control chip U1 corresponding control wave of encoding, iOS device transmits audio signal by the microphone pin M of headset plug 10, and the normal voltage value of microphone pin M is 2V;
Hanging up of phone realizes mainly through mode selector switch SW1, inductance L 1 and headset switch S1 with the F.F. of rejection, audio frequency, rewind, a upper song and next Qu Gongneng;
The increase function of audio volume increases key VOL+, resistance R6, resistance R7, control chip U1, resistance R2, resistance R1, resistance R3, electric capacity C3 and inductance L 1 realize mainly through mode selector switch SW1, volume;
The reduction function of audio volume reduces key VOL-, resistance R6, control chip U1, resistance R2, resistance R1, resistance R3, electric capacity C3 and inductance L 1 realize mainly through mode selector switch SW1, volume;
When needing to receive calls, press headset switch S1, make the audio signal ground connection of microphone pin M, now microphone pin M is low level (i.e. 0 level), and iOS device receives low level signal, to perform the operation received calls by microphone pin M;
Headset switch S1 is pressed in the process of sending a telegram here or receive calls, make the audio signal ground connection of microphone pin M, now microphone pin M is low level (i.e. 0 level), and iOS device receives low level signal, with the operation performing rejection and hang up the telephone by microphone pin M;
When iOS device be in standby, play in music or the process that receives calls time, the normal voltage of microphone pin M is 2V, now press volume and increase key VOL+, make mode selector switch SW1, volume increase key VOL+, resistance R6, resistance R7, control chip U1, resistance R2, resistance R1, resistance R3, electric capacity C3 and inductance L 1 to work, the voltage of microphone pin M is made to transfer 1.5V to, iOS device passes through microphone pin M incoming level variable signal, to perform the operation that volume increases;
When iOS device be in standby, play in music or the process that receives calls time, the normal voltage of microphone pin M is 2V, now press volume and reduce key VOL-, make mode selector switch SW1, volume reduce key VOL-, resistance R6, control chip U1, resistance R2, resistance R1, resistance R3, electric capacity C3 and inductance L 1 to work, the voltage of microphone pin M is made to transfer 1.6V to, iOS device passes through microphone pin M incoming level variable signal, to perform the operation that volume reduces;
Headset switch S1 is pressed when iOS device is in the process playing music, make the audio signal ground connection of microphone pin M, now microphone pin M is low level (i.e. 0 level), iOS device receives low level signal by microphone pin M, perform the operation that music is suspended, when iOS device is in the process of music time-out, make the audio signal ground connection of microphone pin M, now microphone pin M is low level (i.e. 0 level), iOS device receives low level signal by microphone pin M, performs the operation of music;
Headset switch S1 is pressed continuously fast tri-times when iOS device is in the process playing music, make continuous three ground connection of the audio signal of microphone pin M, now microphone pin M sends three low level signals, iOS device receives three low level signals continuously by microphone pin M, performs the operation being transformed into a song;
Headset switch S1 is pressed fast twice continuously when iOS device is in the process playing music, make the double ground connection of the audio signal of microphone pin M, now microphone pin M sends twice low level signal, iOS device receives twice low level signal continuously by microphone pin M, performs the operation being transformed into next song;
Headset switch S1 is pressed continuously twice when iOS device is in the process playing music, second vice-minister presses, microphone pin M is made first to send a short time low level signal, send once long-time low level signal again, iOS device receives twice low level signal by microphone pin M, performs the forwarding operation of audio file;
Headset switch S1 is pressed continuously tri-times when iOS device is in the process playing music, length is pressed for the third time, microphone pin M is made first to send secondary short time low level signal, send once long-time low level signal again, iOS device receives three low level signals by microphone pin M, performs the fast reverse operation of audio file.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. a wire headset circuit, comprise headset plug, headset switch, volume increases key and volume reduces key, the microphone pin of headset plug described in described headset switch one end connects, the other end and the grounding pin of described headset plug with being connected to altogether, described volume increases key and described volume reduces key also ground connection in parallel, it is characterized in that, also comprise:
The mode selector switch be connected with described microphone pin;
Increase key and described volume respectively with described mode selector switch, described volume and reduce first mode circuit that key is connected and the second mode circuit.
2. wire headset circuit as claimed in claim 1, it is characterized in that, described first mode circuit is bleeder circuit, described first mode circuit comprises and is connected on described mode selector switch and described volume and reduces diode D6 between key and resistance R9, and the positive pole of described diode D6 connects described mode selector switch, negative pole connects described resistance R9; Described first mode circuit also comprises and is connected on described mode selector switch and described volume and increases diode D5 between key and resistance R10, and the positive pole of described diode D5 connects described mode selector switch, negative pole connects described resistance R10.
3. wire headset circuit as claimed in claim 2, it is characterized in that, described second mode circuit comprises the control chip be connected with described mode selector switch, the control signal input of described control chip connects through resistance R6 and resistance R7 one end that described volume increases key, one end and the described resistance R6 and resistance R7 of described volume reduction key connect altogether, and the other end that the other end of described volume reduction key and described volume increase key is connected to ground altogether.
4. wire headset circuit as claimed in claim 3, it is characterized in that, described second mode circuit also comprises:
Electric capacity C3 between the volume control end being connected on described mode selector switch and described control chip and resistance R3;
Mode selector switch described in one termination, the resistance R1 of the sound source input end of control chip described in another termination;
Mode selector switch described in one termination, the Enable Pin of control chip described in another termination through the resistance R2 of electric capacity C4 ground connection.
5. wire headset circuit as claimed in claim 4, is characterized in that, described volume increases key two ends and is parallel with bi-directional voltage stabilizing diode D3, and described volume reduces key two ends and is parallel with bi-directional voltage stabilizing diode D2.
6. wire headset circuit as claimed in claim 5, it is characterized in that, also comprise microphone chip and be connected to the eliminated noise LC oscillating circuit between described microphone chip and ground, the power end of described microphone chip is connected with the microphone pin of inductance L 1 with described headset plug through resistance R11, described eliminated noise LC oscillating circuit comprises electric capacity C5, resistance R4 and resistance R8, between the signal output part that described electric capacity C5 and resistance R4 connects afterwards and resistance R8 is connected in parallel on described microphone chip and ground.
7. wire headset circuit as claimed in claim 6, it is characterized in that, also comprise NMOS tube Q1, the grid of described NMOS tube Q1 connects the power control terminal of described control chip, drain electrode connects the earth terminal of described microphone chip and described mode selector switch simultaneously, the source ground of described NMOS tube Q1, is also parallel with Anti-static resistor R5 between the grid of described NMOS tube Q1 and source electrode.
8. a line control earphone, is characterized in that, comprises the wire headset circuit as described in any one of claim 1 ~ 7.
9. line control earphone as claimed in claim 8, it is characterized in that, also comprise the left channel loudspeaker and right channel loudspeaker that are connected with described headset plug, the positive pole of described left channel loudspeaker and negative pole connect left channel pin and the grounding pin of described headset plug respectively, and the positive pole of described right channel loudspeaker and negative pole connect R channel pin and the grounding pin of described headset plug respectively.
10. line control earphone as claimed in claim 9, it is characterized in that, the microphone pin of described headset plug connects one end of described headset switch through inductance L 1, described earth terminal is connected to ground altogether through inductance L 2 and the other end of described headset switch, and two ends of described headset switch are parallel with bi-directional voltage stabilizing diode D1, electric capacity C1 and electric capacity C2 respectively.
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| CN201520674323.9U CN205081951U (en) | 2015-09-01 | 2015-09-01 | Drive -by -wire headphone circuit and drive -by -wire earphone |
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| CN201520674323.9U CN205081951U (en) | 2015-09-01 | 2015-09-01 | Drive -by -wire headphone circuit and drive -by -wire earphone |
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| 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 |
| CN106911986A (en) * | 2017-03-21 | 2017-06-30 | 青岛中云时代信息技术有限公司 | A kind of mode selection circuit and bluetooth earphone for bluetooth earphone |
| CN107343234A (en) * | 2016-05-03 | 2017-11-10 | 峰范（北京）科技有限公司 | Intelligent earphone |
| WO2017197605A1 (en) * | 2016-05-18 | 2017-11-23 | 万魔声学科技有限公司 | Line control device for earphone, and earphone |
| CN107925822A (en) * | 2015-08-31 | 2018-04-17 | 伯斯有限公司 | Microphone compatibility |
| 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 |
| CN108495222A (en) * | 2018-03-14 | 2018-09-04 | 佳禾智能科技股份有限公司 | Double compatible line control earphone control circuits and the control method realized based on the circuit |
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| CN107925822A (en) * | 2015-08-31 | 2018-04-17 | 伯斯有限公司 | Microphone compatibility |
| 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 |
| CN107343234B (en) * | 2016-05-03 | 2023-04-21 | 江西斐耳科技有限公司 | Intelligent earphone |
| CN107343234A (en) * | 2016-05-03 | 2017-11-10 | 峰范（北京）科技有限公司 | Intelligent earphone |
| WO2017197605A1 (en) * | 2016-05-18 | 2017-11-23 | 万魔声学科技有限公司 | Line control device for earphone, and earphone |
| CN106911986B (en) * | 2017-03-21 | 2022-07-12 | 青岛中云时代信息技术有限公司 | A mode selection circuit and bluetooth headset for bluetooth headset |
| CN106911986A (en) * | 2017-03-21 | 2017-06-30 | 青岛中云时代信息技术有限公司 | A kind of mode selection circuit and bluetooth earphone for bluetooth earphone |
| 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 |
| CN108495222A (en) * | 2018-03-14 | 2018-09-04 | 佳禾智能科技股份有限公司 | Double compatible line control earphone control circuits and the control method realized based on the circuit |
| US11490188B2 (en) | 2019-04-30 | 2022-11-01 | Shenzhen Shokz Co., Ltd. | Acoustic output device and components thereof |
| US12010475B2 (en) | 2019-04-30 | 2024-06-11 | Shenzhen Shokz Co., Ltd. | Acoustic output device and components thereof |
| 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 |
| CN112333616A (en) * | 2020-11-27 | 2021-02-05 | 深圳市同博威科技有限公司 | MEMS microphone module |
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Address after: Longgang District of Shenzhen City, Guangdong province 518116 Ping Street Takahashi Industrial Park East Area Patentee after: SHENZHE GUANXU ELECTRONIC CO., LTD. Address before: Longgang District of Shenzhen City, Guangdong province 518116 Ping Street Takahashi Industrial Park East Area Patentee before: Shenzhen Grandsun Electronic Co., Ltd. |