CN103491475A - Earphone with automatic detection function and operation method thereof - Google Patents
Earphone with automatic detection function and operation method thereof Download PDFInfo
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- CN103491475A CN103491475A CN201310376387.6A CN201310376387A CN103491475A CN 103491475 A CN103491475 A CN 103491475A CN 201310376387 A CN201310376387 A CN 201310376387A CN 103491475 A CN103491475 A CN 103491475A
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Abstract
The invention discloses an earphone with the automatic detection function. The earphone is used for detecting four signals of an electronic device and comprises an earphone plug, at least four detection units, at least four switch units, a control unit, a microphone unit and an earphone unit. The earphone plug receives the signals, the four detection units are connected with the earphone plug and respectively receive one of the four signals, and one of the detection units detects a direct-current power source signal and transmits the direct-current power source signal to the microphone unit, so that the microphone unit outputs a direct current to the control unit, therefore, the direct current is output to one of the detection units, a ground signal is detected, and further an alternating-current acoustical signal is detected. The invention further discloses an operation method of the earphone with the automatic detection function.
Description
Technical field
The present invention is about a kind of earphone and method of operation thereof of own automatic monitoring function, particularly a kind ofly by detecting unit, detect a direct current power supply signal and detect a ground signalling, and then detecting earphone and the method for operation thereof of the own automatic monitoring function of hum tone signal.
Background technology
Earphone is a kind of voice output, sees through earphone, and the user can leave alone under other people's situation, receives voice signal.Therefore, many electronic installations are equipped with earphone socket, to see through the earphone output sound.
Earphone can, according to the difference of its joint, be divided into two kinds of three-section type and four joint formulas.Four joint formula earphones comprise two loud speakers (left and right acoustic channels), a microphone and an earth terminal; The three-section type earphone only comprises two loud speakers (left and right acoustic channels) and an earth terminal.
Yet, because each manufacturer of family hobby is different, relatively at also disunity of the signal configures of earphone socket, therefore the user is when choosing electronic installation, the earphone of selecting former factory to provide often also is provided, in order to avoid the difference on the signal configures of earphone and cause the situation that earphone can't coordinate electronic installation to use to occur, thus, the user will be limited to former factory choosing on earphone, and can't choose the earphone of hobby.
Therefore, how to design a kind of signal configures of earphone socket that is not subject to and limit, and can be common to earphone and the method for operation thereof of various electronic installations, just become the target that relevant manufacturer and relevant research staff make joint efforts.
Summary of the invention
In view of earphone commonly used is limited to the signal configures of earphone socket, and can't be applicable to the shortcoming of various electronic installations, propose the present invention.
The first purpose of the present invention, be to provide a kind of signal configures of earphone socket that is not subject to limit, and can be common to the earphone of various electronic installations.
In order to reach above-mentioned purpose, the earphone of own automatic monitoring function of the present invention is in order to four signals of a jack of detecting an electronic installation, described signal comprises a direct current power supply signal, two hum tone signal and a ground signalling, and the earphone of this own automatic monitoring function comprises:
One headset plug, be connected with this jack, and accept described signal;
At least four detecting units, be connected with this headset plug, and accept separately described signal one of them;
At least four switch elements, in parallel with one of them of described detecting unit separately, the one end is connected with this headset plug, and comprises separately a conducting state and a cut-off state;
One control unit, be connected with the other end of described detecting unit and described switch element, receives described signal, and control the outgoing route of described signal and control described switch element for this conducting state or this cut-off state;
One microphone unit, be connected with this control unit, and receive this DC power signal; And
One headphone unit, be connected with this control unit, and receive described hum tone signal;
Wherein this control unit first makes described switch element for this cut-off state, one of them that makes described detecting unit first detects this DC power signal, recycle this control unit this DC power signal is sent to this microphone unit, this microphone unit is exported a direct current electric current to this control unit, export one of them of described detecting unit to by this direct current, detect this ground signalling, and then detect described hum tone signal, finally this control unit makes the switch element that is connected with described hum tone signal for this conducting state again, and then described hum tone signal is sent to this headphone unit.
The second purpose of the present invention, be to provide a kind of signal configures of earphone socket that is not subject to limit, and can be common to the earphone method of operation of various electronic installations.
In order to reach above-mentioned purpose, the method of operation of the earphone of own automatic monitoring function of the present invention, four signals in order to a jack of detecting an electronic installation, described signal comprises a direct current power supply signal, two hum tone signal and a ground signalling, and the method for operation of the earphone of this own automatic monitoring function comprises step:
One of them of at least four detecting units of utilization detects this DC power signal;
This DC power signal is sent to a microphone unit, makes this microphone unit export a direct current electric current;
By this direct current being exported to one of them of described detecting unit, detect this ground signalling; And
Detect described hum tone signal, and described hum tone signal is sent to a headphone unit.
See through above-mentioned device and method of operation, the present invention is not limited by the signal configures of earphone socket can, and can be common to various electronic installations.
The accompanying drawing explanation
The system architecture diagram of the earphone that Fig. 1 is own automatic monitoring function of the present invention.
The thin section system architecture diagram of the earphone that Fig. 2 is own automatic monitoring function of the present invention.
The flow chart of steps of the method for operation of the earphone that Fig. 3 is own automatic monitoring function of the present invention.
The primary clustering symbol description:
1: the earphone of own automatic monitoring function
10: headset plug
11: detecting unit
110: the first diodes
111: the second diodes
12: switch element
13: control unit
14: microphone unit
15: headphone unit
The method of operation of the earphone of 2 own automatic monitoring functions
Embodiment
For making those skilled in the art understand purpose of the present invention, coordinate graphic preferred embodiment of the present invention to be described in detail as follows.
Shown in Figure 1, the earphone 1 of own automatic monitoring function of the present invention, four signals in order to a jack (not shown) of detecting an electronic installation (not shown), described signal comprises a direct current power supply signal, two hum tone signal and a ground signalling, and the earphone 1 of this own automatic monitoring function comprises:
One headset plug 10, be connected with this jack, and accept described signal;
At least four detecting units 11, be connected with this headset plug 10, and accept separately described signal one of them;
At least four switch elements 12, in parallel with one of them of described detecting unit 11 separately, the one end is connected with this headset plug 10, and comprises separately a conducting state and a cut-off state;
One control unit 13, be connected with the other end of described detecting unit 11 and described switch element 12, receives described signal, and control the outgoing route of described signal and control described switch element 12 for this conducting state or this cut-off state;
One microphone unit 14, be connected with this control unit 13, and receive this DC power signal; And
One headphone unit 15, be connected with this control unit 13, and receive described hum tone signal;
Wherein this control unit 13 first makes described switch element for this cut-off state, one of them that makes described detecting unit 11 first detects this DC power signal, recycle this control unit 13 this DC power signal is sent to this microphone unit 14, these microphone unit 14 output one direct current electric currents are to this control unit 13, export one of them of described detecting unit 11 to by this direct current, detect this ground signalling, and then detect described hum tone signal, the switch element 12 that finally this control unit 13 makes to be connected with described hum tone signal again is this conducting state, and then described hum tone signal is sent to this headphone unit 15.
Shown in Fig. 1 and 2, in a preferred embodiment of the present invention, described detecting unit 11 comprises one first diode 110 and one second diode 111 separately, the negative pole of this second diode 111 is connected with anodal and this headset plug 10 of this first diode 110, and the positive pole of this second diode 111 is connected with negative pole and this control unit 13 of this first diode 110.
In described detecting unit 11, only there is the terminal voltage that approaches this headset plug 10 of the detecting unit 11 at this DC power signal place to be greater than the terminal voltage that it approaches this control unit 13, therefore only there is the detecting unit 11 at this DC power signal place to produce an electric current by this first diode 110, therefore can detect by this detecting unit 11 at this DC power signal place.
In addition, in described detecting unit 11, only there is the terminal voltage that approaches this headset plug 10 of the detecting unit 11 at this ground signalling place to be less than the terminal voltage that it approaches this control unit 13, therefore the direct current that this microphone unit is exported only can pass through this second diode 111 at this ground signalling place, therefore can detect by this detecting unit 11 at this ground signalling place.
But the present invention is not as limit, and this first diode 110 and this second diode 111 also can be replaced by Zener diode or transistor.
In another preferred embodiment of the present invention, the jack of this electronic installation is four joint formula jacks, and this headset plug 10 is four joint formula headset plugs.This electronic installation is a mobile phone.Described switch element 12 is electronic switch, as diode switch, transistor switch, switch integrated circuit, semiconductor switch and complementary metal oxide semiconductor switch.
Shown in Fig. 2 and Fig. 3, the method of operation 2 of the earphone of own automatic monitoring function of the present invention, in order to detect four signals of electronic installation (not shown) one a jack (not shown), described signal comprises a direct current power supply signal, two hum tone signal and a ground signalling, and the method for operation 2 of the earphone of this own automatic monitoring function comprises step:
Step 200: one of them that utilize at least four detecting units 11 detects this DC power signal;
Step 201: this DC power signal is sent to a microphone unit 14, makes this microphone unit 14 output one direct current electric currents;
Step 202: by this direct current being exported to one of them of described detecting unit 11, detect this ground signalling; And
Step 203: detect described hum tone signal, and described hum tone signal is sent to a headphone unit 15.
Referring to Fig. 2 and Fig. 3, in a preferred embodiment of the present invention, described detecting unit 11 comprises one first diode 110 and one second diode 111 separately, the negative pole of this second diode 111 is connected with the positive pole of this first diode 110, and the positive pole of this second diode 111 is connected with the negative pole of this first diode 110.
In described detecting unit 11, only there is the terminal voltage that approaches this headset plug 10 of the detecting unit 11 at this DC power signal place to be greater than the terminal voltage that it approaches this control unit 13, therefore only there is the detecting unit 11 at this DC power signal place to produce an electric current by this first diode 110, therefore can detect by this detecting unit 11 at this DC power signal place.
In addition, in described detecting unit 11, only there is the terminal voltage that approaches this headset plug 10 of the detecting unit 11 at this ground signalling place to be less than the terminal voltage that it approaches this control unit 13, therefore the direct current that this microphone unit is exported only can pass through this second diode 111 at this ground signalling place, therefore can detect by this detecting unit 11 at this ground signalling place.
But the present invention is not as limit, and this first diode 110 and this second diode 111 also can be replaced by Zener diode or transistor.
In another preferred embodiment of the present invention, the jack of this electronic installation is four joint formula jacks.This electronic installation is a mobile phone.
See through above-mentioned device and method, the present invention is not limited by the signal configures of earphone socket can, and can be common to various electronic installations.Moreover, its structure kenel not under personnel in technical field can think easily and and reach, it has novelty and progressive undoubtedly.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, be equal to replacement, improvement etc., within all should being included in the scope of protection of the invention.
Claims (8)
1. the earphone of an own automatic monitoring function, it is characterized in that, in order to four signals of a jack of detecting an electronic installation, described signal comprises a direct current power supply signal, two hum tone signal and a ground signalling, and the earphone of this own automatic monitoring function comprises:
One headset plug, be connected with this jack, and accept described signal;
At least four detecting units, be connected with this headset plug, and accept separately described signal one of them;
At least four switch elements, in parallel with one of them of described detecting unit separately, the one end is connected with this headset plug, and comprises separately a conducting state and a cut-off state;
One control unit, be connected with the other end of described detecting unit and described switch element, receives described signal, and control the outgoing route of described signal and control described switch element for this conducting state or this cut-off state;
One microphone unit, be connected with this control unit, and receive this DC power signal; And
One headphone unit, be connected with this control unit, and receive described hum tone signal;
Wherein this control unit first makes described switch element for this cut-off state, one of them that makes described detecting unit first detects this DC power signal, recycle this control unit this DC power signal is sent to this microphone unit, this microphone unit is exported a direct current electric current to this control unit, export one of them of described detecting unit to by this direct current, detect this ground signalling, and then detect described hum tone signal, finally this control unit makes the switch element that is connected with described hum tone signal for this conducting state again, and then described hum tone signal is sent to this headphone unit.
2. the earphone of own automatic monitoring function as claimed in claim 1, wherein said detecting unit comprises one first diode and one second diode separately, the negative pole of this second diode is connected with anodal and this headset plug of this first diode, and the positive pole of this second diode is connected with negative pole and this control unit of this first diode.
3. the earphone of own automatic monitoring function as claimed in claim 1, wherein the jack of this electronic installation is four joint formula jacks, this headset plug is four joint formula headset plugs.
4. the earphone of own automatic monitoring function as claimed in claim 1, wherein this electronic installation is a mobile phone.
5. the method for operation of the earphone of an own automatic monitoring function, it is characterized in that, four signals in order to a jack of detecting an electronic installation, described signal comprises a direct current power supply signal, two hum tone signal and a ground signalling, and the method for operation of the earphone of this own automatic monitoring function comprises step:
One of them of at least four detecting units of utilization detects this DC power signal;
This DC power signal is sent to a microphone unit, makes this microphone unit export a direct current electric current;
By this direct current being exported to one of them of described detecting unit, detect this ground signalling; And
Detect described hum tone signal, and described hum tone signal is sent to a headphone unit.
6. the method for operation of the earphone of own automatic monitoring function as claimed in claim 5, wherein said detecting unit comprises one first diode and one second diode separately, the negative pole of this second diode is connected with the positive pole of this first diode, and the positive pole of this second diode is connected with the negative pole of this first diode.
7. the method for operation of the earphone of own automatic monitoring function as claimed in claim 5, wherein the jack of this electronic installation is four joint formula jacks.
8. the method for operation of the earphone of own automatic monitoring function as claimed in claim 5, wherein this electronic installation is a mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310376387.6A CN103491475A (en) | 2013-08-26 | 2013-08-26 | Earphone with automatic detection function and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310376387.6A CN103491475A (en) | 2013-08-26 | 2013-08-26 | Earphone with automatic detection function and operation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103491475A true CN103491475A (en) | 2014-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310376387.6A Pending CN103491475A (en) | 2013-08-26 | 2013-08-26 | Earphone with automatic detection function and operation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110150234A1 (en) * | 2007-01-05 | 2011-06-23 | Timothy Johnson | Audio i o headset plug and plug detection circuitry |
| CN102300003A (en) * | 2011-09-20 | 2011-12-28 | 惠州Tcl移动通信有限公司 | Mobile terminal capable of automatically detecting earphone jack |
| TW201216727A (en) * | 2010-10-13 | 2012-04-16 | Hon Hai Prec Ind Co Ltd | Detecting circuit for audio device |
| CN102695109A (en) * | 2012-06-28 | 2012-09-26 | 深圳市聚鑫城科技有限公司 | Earphone with automatic sensing function |
-
2013
- 2013-08-26 CN CN201310376387.6A patent/CN103491475A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110150234A1 (en) * | 2007-01-05 | 2011-06-23 | Timothy Johnson | Audio i o headset plug and plug detection circuitry |
| TW201216727A (en) * | 2010-10-13 | 2012-04-16 | Hon Hai Prec Ind Co Ltd | Detecting circuit for audio device |
| CN102300003A (en) * | 2011-09-20 | 2011-12-28 | 惠州Tcl移动通信有限公司 | Mobile terminal capable of automatically detecting earphone jack |
| CN102695109A (en) * | 2012-06-28 | 2012-09-26 | 深圳市聚鑫城科技有限公司 | Earphone with automatic sensing function |
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Application publication date: 20140101 |