CN103220592A - Headsets and key control method thereof - Google Patents
Headsets and key control method thereof Download PDFInfo
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- CN103220592A CN103220592A CN2013101583370A CN201310158337A CN103220592A CN 103220592 A CN103220592 A CN 103220592A CN 2013101583370 A CN2013101583370 A CN 2013101583370A CN 201310158337 A CN201310158337 A CN 201310158337A CN 103220592 A CN103220592 A CN 103220592A
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Abstract
The invention discloses a pair of headsets. Each headset comprises a keying circuit, a headset battery arranged in the headset, an ADC (analog to digital converter) analog-digital conversion module and a control chip, wherein the keying circuit comprises a plurality of levels of tandem resistors, startup-shutdown keys which are in parallel, and a plurality of functional keys; the startup-shutdown keys and one ends of the plurality of functional keys are together grounded, and the other ends of the plurality of functional keys are respectively electrically connected with each level of nodes of the plurality of levels of resistors; the headset battery is electrically connected to the input end of a voltage stabilization module, and the output end of the voltage stabilization module is connected in series with a divider resistor and then electrically connected with a level comparing transverter; and the input end of the ADC analog-digital conversion module is electrically connected with the input end of the level comparing transverter and then electrically connected with the input ends of the plurality of levels of tandem resistors through first signal wires, and the output end of the level comparing transverter is electrically connected with the enabled end of the control chip. The invention also discloses a headset key control method. The headsets and the headset key control method provided by the invention can reduce the consumption number of signal control wires of the keys.
Description
Technical field
The present invention relates to the earphone technical field, especially relate to a kind of earphone and button control method thereof.
Background technology
Along with the development of the modern life and the raising of people's living standard, people's pursuit is also more and more higher.In order to adapt to people's demand, its function is more and more, especially bluetooth earphone as a kind of audio-visual equipment for earphone.At present, the bluetooth earphone function is more and more, causes the number of keys of bluetooth earphone also more and more, and except the switch switch of bluetooth earphone, the bluetooth earphone that has also comprises function keys such as answering key, hang-up key, broadcast Pause key and volume add-substract key.
Increasing of bluetooth earphone number of keys not only taken the IO resource of more control chip, and increasing of respective signal line quantity also makes the fabric swatch enlarged areas.If button is placed on the line traffic control, the quantity of holding wire can directly influence line traffic control wire size and cost between line traffic control and headset main body.
Summary of the invention
First technical problem to be solved by this invention is: a kind of earphone that reduces holding wire is provided.
Second technical problem to be solved by this invention is: a kind of earphone keystroke control method that has reduced holding wire is provided.
For solving above-mentioned first technical problem, technical scheme of the present invention is: a kind of earphone comprises:
Key circuit, described key circuit comprises the resistance of some grades of series connection, and switch switch and some function keys in parallel, one end of described switch switch and some described function keys is by the earth connection common ground, and the other end of described switch switch and some described function keys is electrically connected with the nodes at different levels of described some grades resistance of connecting respectively;
Be located at headset batteries, ADC analog-to-digital conversion module and control chip in the described earphone, described headset batteries is electrically connected to the input of Voltage stabilizing module, be electrically connected with the input of level ratio behind the output series connection divider resistance of described Voltage stabilizing module than transducer, the input of described ADC analog-to-digital conversion module and described level ratio are electrically connected than the input of transducer and are electrically connected by the resistance input that first holding wire is connected with described some grades, and described level ratio is electrically connected to the Enable Pin of described control chip than the output of transducer.
Preferably, described earphone also comprises line traffic control, and described key circuit is arranged on the described line traffic control.
Preferably, described earphone is a bluetooth earphone, and described control chip is a Bluetooth chip.
For solving above-mentioned second technical problem, technical scheme of the present invention is: a kind of earphone keystroke control method may further comprise the steps:
A. in the earphone off-mode, after pressing described switch switch, described level ratio is dragged down than the input level of transducer, described level ratio triggers the Enable Pin of described control chip than converter output voltage, and described ADC analog-to-digital conversion module is gathered the output voltage signal of the resistance of described some grades of series connection by first holding wire, described control chip judges that according to described voltage signal described switch switch presses duration and satisfy the start set point, the earphone start;
B. in the earphone open state, the ADC analog-to-digital conversion module of described control chip is gathered the output voltage signal of the resistance of described some grades of series connection by first holding wire, described control chip is judged described function key down state according to described voltage signal, realizes the control to earphone;
C. in the earphone open state, after pressing described switch switch, described level ratio is dragged down than the input level of transducer, described level ratio triggers the Enable Pin of described control chip than converter output voltage, and described ADC analog-to-digital conversion module is gathered the output voltage signal of the resistance of described some grades of series connection by first holding wire, described control chip judges that according to described voltage signal described switch switch presses duration and satisfy the shutdown set point, the earphone shutdown.
Preferably, described earphone is a bluetooth earphone, and described control chip is a Bluetooth chip.
After having adopted technique scheme, the invention has the beneficial effects as follows:
Because earphone of the present invention comprises key circuit, is located at headset batteries, ADC analog-to-digital conversion module and control chip in the earphone, key circuit comprises the resistance of some grades of series connection, and switch switch and some function keys in parallel, one end of switch switch and some function keys is by the earth connection common ground, and the nodes at different levels of the resistance that the other end of switch switch and some function keys is connected with some grades respectively are electrically connected; Headset batteries is electrically connected to the input of Voltage stabilizing module, be electrically connected with the input of level ratio behind the output series connection divider resistance of Voltage stabilizing module than transducer, the input of ADC analog-to-digital conversion module and level ratio are than the resistance input electrical connection that the back connects with some grades by first holding wire that is electrically connected of the input of transducer, and level ratio is electrically connected to the Enable Pin of control chip than the output of transducer.Therefore earphone of the present invention and button control method thereof are in the earphone off-mode, after pressing the switch switch, described level ratio is dragged down than the input level of transducer, level ratio triggers the Enable Pin of control chip than converter output voltage, and the ADC analog-to-digital conversion module is gathered the output voltage signal of the resistance of some grades of series connection by first holding wire, control chip is pressed duration according to described voltage signal judgement switch switch and is satisfied the start set point, the earphone start; In the earphone open state, the ADC analog-to-digital conversion module of described control chip is gathered the output voltage signal of the resistance of described some grades of series connection, and described control chip is judged described function key down state according to described voltage signal, realizes the control to earphone.Like this, between switch switch and some function keys and control chip, be connected by earth connection and this two signal line of first holding wire, just can realize switch switch and some function keys to earphone by key control.Reduced the taking of control chip IO resource, reduced the fabric swatch area of control chip.Under the situation that adopts line traffic control control earphone, because the line traffic control end only need be connected by earth connection and this two signal line of first holding wire with the earphone end, reduced holding wire quantity, thereby reduced the wire size of line traffic control, reduced cost.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is the principle schematic of earphone of the present invention and button control method thereof;
Among the figure: 1, line traffic control; 11, resistance; 12, switch switch; 13, function key; 14, earth connection; 15, first holding wire; 2, bluetooth earphone; 21, headset batteries; 22, Voltage stabilizing module; 23, level ratio is than transducer; 24, Bluetooth chip; 241, the Enable Pin of Bluetooth chip; 242, ADC analog-to-digital conversion module; 25, divider resistance.
Embodiment
Fig. 1 is the principle schematic of earphone of the present invention and button control method thereof.With reference to Fig. 1, in the present embodiment, earphone is the line traffic control bluetooth earphone, the line traffic control bluetooth earphone comprises line traffic control 1 and bluetooth earphone 2, wherein, comprise key circuit in the line traffic control 1, key circuit comprises the resistance 11 and switch switch 12 and some function keys 13 in parallel of some grades of series connection, one end of switch switch 12 and some function keys 13 is by earth connection 14 common grounds, and the nodes at different levels of the resistance 11 that the other end of switch switch 12 and some function keys 13 is connected with some grades respectively are electrically connected; Be provided with headset batteries 21, ADC analog-to-digital conversion module 242 and Bluetooth chip 24 in the bluetooth earphone 2, headset batteries 21 is electrically connected to the input of Voltage stabilizing module 22, output series connection divider resistance 25 backs of Voltage stabilizing module 22 are electrically connected with the input of level ratio than transducer 23, the input of ADC analog-to-digital conversion module 242 and level ratio are than the resistance 11 inputs electrical connection that the back connects with some grades by first holding wire 15 that is electrically connected of the input of transducer 23, and level ratio is electrically connected to the Enable Pin 241 of Bluetooth chip than the output of transducer 23.
Do not adopt at bluetooth earphone 2 under the situation of line traffic control 1, key circuit also can place the inside of bluetooth earphone 2.
The button control method of the bluetooth earphone of present embodiment is as follows:
In bluetooth earphone 2 off-modes, after pressing switch switch 12, level ratio is dragged down than the input level of transducer 23, level ratio triggers the Enable Pin 241 of Bluetooth chip than transducer 23 output voltages, and ADC analog-to-digital conversion module 242 is gathered the output voltage signal of the resistance 11 of some grades of series connection by first holding wire 15, Bluetooth chip 24 writes software with the voltage signal values that ADC analog-to-digital conversion module 242 records, compare by preset value this voltage signal values and software, the action of identification switch switch 12, judgement switch switch 12 is pressed duration and is satisfied the start set point, bluetooth earphone 2 starts.
In bluetooth earphone 2 open states, the ADC analog-to-digital conversion module 242 of Bluetooth chip 24 is gathered the output voltage signal of the resistance 11 of some grades of series connection by first holding wire 15, Bluetooth chip 24 writes software with the voltage signal values that ADC analog-to-digital conversion module 242 records, compare by preset value this voltage signal values and software, discern the action of some function keys 13, arbitration functions key 13 down states are realized the control to bluetooth earphone 2.
In bluetooth earphone 2 open states, after pressing switch switch 12, level ratio is dragged down than the input level of transducer 23, level ratio triggers the Enable Pin 241 of Bluetooth chip than transducer 23 output voltages, and ADC analog-to-digital conversion module 242 is gathered the output voltage signal of the resistance 11 of some grades of series connection by first holding wire 15, Bluetooth chip 24 writes software with the voltage signal values that ADC analog-to-digital conversion module 242 records, compare by preset value this voltage signal values and software, the action of identification switch switch 12, judge that described switch switch 12 presses duration and satisfy the shutdown set point, bluetooth earphone 2 shutdown.
In the present embodiment, between switch switch 12 and some function keys 13 and Bluetooth chip 24, be connected by earth connection 14 and first holding wire, 15 these two signal line, just can realize switch switch 12 and 13 pairs of bluetooth earphones 2 of some function keys by key control.Reduced the taking of Bluetooth chip IO resource, reduced the fabric swatch area of Bluetooth chip 24.Under the situation that adopts line traffic control 1 control bluetooth earphone 2, because line traffic control 1 end only need be connected by earth connection 14 and first holding wire, 15 these two signal line with bluetooth earphone 2 ends, reduce holding wire quantity, thereby reduced the wire size of line traffic control 1, reduced cost.
Certainly, earphone of the present invention and button control method thereof not only are confined to bluetooth earphone 2, also go for the earphone of other kind and other electronic equipment.
The above is giving an example of best mode for carrying out the invention, and the part of wherein not addressing in detail is those of ordinary skills' common practise.Protection scope of the present invention is as the criterion with the content of claim, and any equivalent transformation that carries out based on technology enlightenment of the present invention is also within protection scope of the present invention.
Claims (5)
1. an earphone is characterized in that, comprising:
Key circuit, described key circuit comprises the resistance of some grades of series connection, and switch switch and some function keys in parallel, one end of described switch switch and some described function keys is by the earth connection common ground, and the other end of described switch switch and some described function keys is electrically connected with the nodes at different levels of described some grades resistance of connecting respectively;
Be located at headset batteries, ADC analog-to-digital conversion module and control chip in the described earphone, described headset batteries is electrically connected to the input of Voltage stabilizing module, be electrically connected with the input of level ratio behind the output series connection divider resistance of described Voltage stabilizing module than transducer, the input of described ADC analog-to-digital conversion module and described level ratio are electrically connected than the input of transducer and are electrically connected by the resistance input that first holding wire is connected with described some grades, and described level ratio is electrically connected to the Enable Pin of described control chip than the output of transducer.
2. earphone as claimed in claim 1 is characterized in that: described earphone also comprises line traffic control, and described key circuit is arranged on the described line traffic control.
3. earphone as claimed in claim 1 or 2 is characterized in that: described earphone is a bluetooth earphone, and described control chip is a Bluetooth chip.
4. application rights requires the earphone keystroke control method of 1 described a kind of earphone, it is characterized in that, may further comprise the steps:
A. in the earphone off-mode, after pressing described switch switch, described level ratio is dragged down than the input level of transducer, described level ratio triggers the Enable Pin of described control chip than converter output voltage, and described ADC analog-to-digital conversion module is gathered the output voltage signal of the resistance of described some grades of series connection by first holding wire, described control chip judges that according to described voltage signal described switch switch presses duration and satisfy the start set point, the earphone start;
B. in the earphone open state, the ADC analog-to-digital conversion module of described control chip is gathered the output voltage signal of the resistance of described some grades of series connection by first holding wire, described control chip is judged described function key down state according to described voltage signal, realizes the control to earphone;
C. in the earphone open state, after pressing described switch switch, described level ratio is dragged down than the input level of transducer, described level ratio triggers the Enable Pin of described control chip than converter output voltage, and described ADC analog-to-digital conversion module is gathered the output voltage signal of the resistance of described some grades of series connection by first holding wire, described control chip judges that according to described voltage signal described switch switch presses duration and satisfy the shutdown set point, the earphone shutdown.
5. earphone keystroke control method as claimed in claim 4 is characterized in that: described earphone is a bluetooth earphone, and described control chip is a Bluetooth chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310158337.0A CN103220592B (en) | 2013-04-28 | 2013-04-28 | A kind of earphone and key control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310158337.0A CN103220592B (en) | 2013-04-28 | 2013-04-28 | A kind of earphone and key control method thereof |
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| CN103220592A true CN103220592A (en) | 2013-07-24 |
| CN103220592B CN103220592B (en) | 2015-10-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104426520A (en) * | 2013-09-10 | 2015-03-18 | 纬创资通股份有限公司 | Switching Circuit And Electronic Device |
| CN105872901A (en) * | 2016-04-20 | 2016-08-17 | 乐视控股（北京）有限公司 | Key device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201039440Y (en) * | 2007-03-14 | 2008-03-19 | 中兴通讯股份有限公司 | A cable control earphone for multi-key and single detection end |
| CN201063829Y (en) * | 2007-06-15 | 2008-05-21 | 东莞市广讯光电科技有限公司 | Bluetooth earphone |
| CN101453506A (en) * | 2007-11-29 | 2009-06-10 | 深圳市邦华电子有限公司 | Bluetooth earphone built-in type mobile phone |
| CN202435574U (en) * | 2011-12-27 | 2012-09-12 | 惠州Tcl移动通信有限公司 | Line-control earphone for mobile terminal |
-
2013
- 2013-04-28 CN CN201310158337.0A patent/CN103220592B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201039440Y (en) * | 2007-03-14 | 2008-03-19 | 中兴通讯股份有限公司 | A cable control earphone for multi-key and single detection end |
| CN201063829Y (en) * | 2007-06-15 | 2008-05-21 | 东莞市广讯光电科技有限公司 | Bluetooth earphone |
| CN101453506A (en) * | 2007-11-29 | 2009-06-10 | 深圳市邦华电子有限公司 | Bluetooth earphone built-in type mobile phone |
| CN202435574U (en) * | 2011-12-27 | 2012-09-12 | 惠州Tcl移动通信有限公司 | Line-control earphone for mobile terminal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104426520A (en) * | 2013-09-10 | 2015-03-18 | 纬创资通股份有限公司 | Switching Circuit And Electronic Device |
| CN105872901A (en) * | 2016-04-20 | 2016-08-17 | 乐视控股（北京）有限公司 | Key device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103220592B (en) | 2015-10-28 |
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Effective date of registration: 20230425 Address after: 233000 85 Shengli Road, bengshan mountain, Bengbu, Anhui Patentee after: Bengbu wild hill network technology Co.,Ltd. Address before: 266061 room 401-436, 4th floor, building 3, Guozhan wealth center, No.18 Qinling Road, Laoshan District, Qingdao City, Shandong Province Patentee before: QINGDAO GOERTEK TECHNOLOGY Co.,Ltd. |