CN204652612U - A kind of mobile phone miaow head and earphone microphone head automatic switching control equipment - Google Patents
A kind of mobile phone miaow head and earphone microphone head automatic switching control equipment Download PDFInfo
- Publication number
- CN204652612U CN204652612U CN201420800363.9U CN201420800363U CN204652612U CN 204652612 U CN204652612 U CN 204652612U CN 201420800363 U CN201420800363 U CN 201420800363U CN 204652612 U CN204652612 U CN 204652612U
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- pin
- earphone
- input
- mobile phone
- quantity switch
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Abstract
The utility model discloses a kind of mobile phone miaow head and earphone microphone head automatic switching control equipment, it includes one or six pin earphone sockets, one analogue quantity switch and a cell phone mainboard, wherein, during according to six pin earphone socket grafting, four sections of plugs and three sections of plugs, the difference that this six pin earphone socket the 1st pin outputs signal, analogue quantity switch can be switched mobile phone miaow head and earphone microphone head exactly, and then when user uses four sections of socket earphones, earphone microphone head can be utilized to converse, when user uses three sections of socket earphones, mobile phone miaow head can be utilized to converse, effectively prevent the restriction of mobile phone to headset type, substantially increase the versatility of earphone.
Description
Technical field
The utility model relates to mobile phone, particularly relates to a kind of mobile phone miaow head and earphone microphone head automatic switching control equipment.
Background technology
At present, the mobile phone of each producer is furnished with earphone mostly when dispatching from the factory, and when user is when using earphone receiving phone, only the button operated on earphone can be conversed, convenient for users.In existing mobile phone, when cell phone mainboard has detected that earphone inserts, meeting No Mobile Phones miaow head, now, can utilize the miaow head on earphone to converse.But because earphone is divided into three sections of plug earphones and four sections of plug earphones, the difference of the two is that three sections of plug earphones are without miaow head, and four sections of plugs are with miaow head, therefore, user can only use four sections of plugs to converse, when user uses three sections of plug earphones, cannot converse because mobile phone miaow head is disabled.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of mobile phone miaow head and the earphone microphone head automatic switching control equipment that all can realize call function when use three sections of plug earphones and four sections of plug earphones.
For solving the problems of the technologies described above, the utility model adopts following technical scheme.
A kind of mobile phone miaow head and earphone microphone head automatic switching control equipment, it includes: one or six pin earphone sockets, on described six pin earphone sockets during grafting four sections of plugs, 1st pin of six pin earphone sockets is connected with earphone microphone head, the earth terminal of four sections of plugs passes through the 2nd pin ground connection of six pin earphone sockets, when three sections of plugs are plugged in six pin earphone sockets, the earth terminal of three sections of plugs connects the 1st pin and the 2nd pin of six pin earphone sockets simultaneously, and by the 1st pin of this six pin earphone socket and the 2nd pin short circuit; One analogue quantity switch, described analogue quantity switch includes first input end, the second input, a control end and an output, described first input end connects mobile phone miaow head, described second input connects the 1st pin of six pin earphone sockets, and this second input also connects high potential by a pull-up resistor, during described control end input low level, first input end is communicated with output, during described control end input high level, the second input is communicated with output; One cell phone mainboard, second input of described analogue quantity switch, control end and output are connected to cell phone mainboard, wherein: when cell phone mainboard detects the second input end grounding of analogue quantity switch, the input signal of first input end to control end output low level, and is transferred to cell phone mainboard via output by analogue quantity switch by described cell phone mainboard; When the second input that cell phone mainboard detects analogue quantity switch is high potential, described cell phone mainboard exports high level to control end, and by analogue quantity switch, the input signal of the second input is transferred to cell phone mainboard via output.
Preferably, described six pin earphone sockets are pj-3587 type sockets.
Preferably, described analogue quantity switch is FSA3157 pattern analog quantity switch.
Preferably, the first current-limiting resistance is connected with between the second input of described analogue quantity switch and cell phone mainboard.
Preferably, the second current-limiting resistance is connected with between the output of described analogue quantity switch and cell phone mainboard.
In mobile phone miaow head disclosed in the utility model and earphone microphone head automatic switching control equipment, during according to six pin earphone socket grafting, four sections of plugs and three sections of plugs, the difference that this six pin earphone socket the 1st pin outputs signal, analogue quantity switch can be switched mobile phone miaow head and earphone microphone head exactly, and then when user uses four sections of socket earphones, earphone microphone head can be utilized to converse, when user uses three sections of socket earphones, mobile phone miaow head can be utilized to converse, effectively prevent the restriction of mobile phone to headset type, substantially increase the versatility of earphone.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of audio socket and peripheral circuit thereof.
Fig. 2 is the schematic diagram of analogue quantity switch and peripheral circuit thereof.
The circuit block diagram of Fig. 3 cell phone mainboard.
Fig. 4 is the structural representation of four sections of plugs and three sections of plugs.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in more detail.
The utility model discloses a kind of mobile phone miaow head and earphone microphone head automatic switching control equipment, shown in composition graphs 1 to Fig. 4, it includes one or six pin earphone socket J5, an analogue quantity switch U27 and a cell phone mainboard 3, particularly:
The 2nd pin ground connection of described six pin earphone socket J5, on described six pin earphone socket J5 during grafting four sections of plugs 1,1st pin of this six pin earphone socket J5 is connected with earphone microphone head, on described six pin earphone socket J5 during grafting three sections of plugs 2, the earth terminal of these three sections of plugs 2 connects the 1st pin and the 2nd pin of six pin earphone socket J5 simultaneously;
Described analogue quantity switch U27 includes first input end B1, the second input B2, a control end S and an output terminals A, described first input end B1 connects mobile phone miaow head, described second input B2 connects the 1st pin of six pin earphone socket J5, and this second input B2 also connects high potential by a pull-up resistor R127, during described control end S input low level, first input end B1 is communicated with output terminals A, and during described control end S input high level, the second input B2 is communicated with output terminals A;
Second input B2, the control end S of described analogue quantity switch U27 and output terminals A are connected to cell phone mainboard 3, wherein:
When cell phone mainboard 3 detects the second input B2 ground connection of analogue quantity switch U27, the input signal of first input end B1 to control end S output low level, and is transferred to cell phone mainboard 3 via output terminals A by analogue quantity switch U27 by described cell phone mainboard 3;
When the second input B2 that cell phone mainboard 3 detects analogue quantity switch U27 is high potential, described cell phone mainboard 3 exports high level to control end S, and by analogue quantity switch U27, the input signal of the second input B2 is transferred to cell phone mainboard 3 via output terminals A.
Above-mentioned four sections of plugs 1 are followed successively by L channel, R channel, earphone microphone head and earth terminal by end to the contact of root, and three sections of plugs 2 are followed successively by L channel, R channel and earth terminal by end to the contact of root.Thus, when four sections of plugs 1 are plugged in six pin earphone socket J5, the 1st pin of six pin earphone socket J5 is connected with earphone microphone head, and the earth terminal of four sections of plugs 1 passes through the 2nd pin ground connection of six pin earphone socket J5; When three sections of plugs 2 are plugged in six pin earphone socket J5, the earth terminal of three sections of plugs 2 connects the 1st pin and the 2nd pin of six pin earphone socket J5 simultaneously, thus by the 1st pin and the 2nd pin short circuit.
On this basis, the operation principle of mobile phone miaow head disclosed in the utility model and earphone microphone head automatic switching control equipment is: when user uses four sections of plug earphones, 1st pin of six pin earphone socket J5 is unearthed, the second input B2 voltage of analogue quantity switch U27 is pulled up, this voltage transmission is to cell phone mainboard 3, and export high level by cell phone mainboard 3 to control end S, second input B2 is communicated with output terminals A by analogue quantity switch U27, the output signal of earphone microphone head is via the 1st pin of six pin earphone socket J5, the second input B2 of analogue quantity switch U27 and output terminals A transfer to cell phone mainboard 3, and then utilize earphone microphone head to converse, when user uses three sections of plug earphones, the earth terminal of three sections of plugs 2 is by the 1st pin of six pin earphone socket J5 and the 2nd pin short circuit, the 1st pin ground connection of six pin earphone socket J5, the second input B2 of analogue quantity switch U27 is low level, after cell phone mainboard 3 detects this low level, by cell phone mainboard 3 to control end S output low level, first input end B1 is communicated with output terminals A by analogue quantity switch U27, the output signal of mobile phone miaow head transfers to cell phone mainboard 3 via the first input end B1 of analogue quantity switch U27 and output terminals A, and then utilizes mobile phone miaow head to converse.In said process, during according to six pin earphone socket J5 grafting, four sections of plugs 1 and three sections of plugs 2, the difference that this six pin earphone socket J5 the 1st pin outputs signal, analogue quantity switch U27 can be switched mobile phone miaow head and earphone microphone head exactly, and then when user uses four sections of socket earphones, earphone microphone head can be utilized to converse, when user uses three sections of socket earphones, mobile phone miaow head can be utilized to converse, effectively prevent the restriction of mobile phone to headset type, substantially increase the versatility of earphone.
In the present embodiment, described six pin earphone socket J5 are pj-3587 type sockets, and described analogue quantity switch U27 is FSA3157 pattern analog quantity switch.
In order to avoid causing harmful effect because electric current in circuit is excessive, between the second input B2 of described analogue quantity switch U27 and cell phone mainboard 3, be connected with the first current-limiting resistance R133.The second current-limiting resistance R195 is connected with between the output terminals A of described analogue quantity switch U27 and cell phone mainboard 3.
In mobile phone miaow head disclosed in the utility model and earphone microphone head automatic switching control equipment, when user uses four sections of socket earphones, earphone microphone head can be utilized to converse, when user uses three sections of socket earphones, mobile phone miaow head can be utilized to converse.This mobile phone miaow head and earphone microphone head automatic switching control equipment are integrated within mobile phone, under the effect of this automatic switching control equipment, no matter user uses the earphone of which kind of type, all can converse, avoid the restriction of mobile phone to headset type, improve the versatility of earphone.
The above is the utility model preferred embodiment, is not limited to the utility model, all make in technical scope of the present utility model amendment, equivalent to replace or improvement etc., all should be included in scope that the utility model protects.
Claims (5)
1. mobile phone miaow head and an earphone microphone head automatic switching control equipment, is characterized in that including:
One or six pin earphone sockets, on described six pin earphone sockets during grafting four sections of plugs, 1st pin of six pin earphone sockets is connected with earphone microphone head, the earth terminal of four sections of plugs passes through the 2nd pin ground connection of six pin earphone sockets, when three sections of plugs are plugged in six pin earphone sockets, the earth terminal of three sections of plugs connects the 1st pin and the 2nd pin of six pin earphone sockets simultaneously, and by the 1st pin of this six pin earphone socket and the 2nd pin short circuit;
One analogue quantity switch, described analogue quantity switch includes first input end, the second input, a control end and an output, described first input end connects mobile phone miaow head, described second input connects the 1st pin of six pin earphone sockets, and this second input also connects high potential by a pull-up resistor, during described control end input low level, first input end is communicated with output, during described control end input high level, the second input is communicated with output;
One cell phone mainboard, the second input of described analogue quantity switch, control end and output are connected to cell phone mainboard, wherein:
When cell phone mainboard detects the second input end grounding of analogue quantity switch, the input signal of first input end to control end output low level, and is transferred to cell phone mainboard via output by analogue quantity switch by described cell phone mainboard;
When the second input that cell phone mainboard detects analogue quantity switch is high potential, described cell phone mainboard exports high level to control end, and by analogue quantity switch, the input signal of the second input is transferred to cell phone mainboard via output.
2. mobile phone miaow head as claimed in claim 1 and earphone microphone head automatic switching control equipment, it is characterized in that, described six pin earphone sockets are pj-3587 type sockets.
3. mobile phone miaow head as claimed in claim 1 and earphone microphone head automatic switching control equipment, it is characterized in that, described analogue quantity switch is FSA3157 pattern analog quantity switch.
4. mobile phone miaow head as claimed in claim 1 and earphone microphone head automatic switching control equipment, is characterized in that, be connected with the first current-limiting resistance between the second input of described analogue quantity switch and cell phone mainboard.
5. mobile phone miaow head as claimed in claim 1 and earphone microphone head automatic switching control equipment, is characterized in that, be connected with the second current-limiting resistance between the output of described analogue quantity switch and cell phone mainboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420800363.9U CN204652612U (en) | 2014-12-16 | 2014-12-16 | A kind of mobile phone miaow head and earphone microphone head automatic switching control equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420800363.9U CN204652612U (en) | 2014-12-16 | 2014-12-16 | A kind of mobile phone miaow head and earphone microphone head automatic switching control equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204652612U true CN204652612U (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420800363.9U Expired - Fee Related CN204652612U (en) | 2014-12-16 | 2014-12-16 | A kind of mobile phone miaow head and earphone microphone head automatic switching control equipment |
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| CN (1) | CN204652612U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109923872A (en) * | 2016-10-28 | 2019-06-21 | 松下知识产权经营株式会社 | Voice input-output device and bone-conduction head set type ear receiver system |
-
2014
- 2014-12-16 CN CN201420800363.9U patent/CN204652612U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109923872A (en) * | 2016-10-28 | 2019-06-21 | 松下知识产权经营株式会社 | Voice input-output device and bone-conduction head set type ear receiver system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518000 B 1-5 floor, B District, B District, Tai wave street, Shenzhen New District, Guangdong Patentee after: Shenzhen East billion Polytron Technologies Inc Address before: 518000 B 1-5 floor, B District, B District, Shenzhen, Baoan District Patentee before: Shenzhen Yidong Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20201216 |