CN101227670A - Mobile phone line control machine and control method thereof - Google Patents
Mobile phone line control machine and control method thereof Download PDFInfo
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- CN101227670A CN101227670A CNA2007101246278A CN200710124627A CN101227670A CN 101227670 A CN101227670 A CN 101227670A CN A2007101246278 A CNA2007101246278 A CN A2007101246278A CN 200710124627 A CN200710124627 A CN 200710124627A CN 101227670 A CN101227670 A CN 101227670A
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Abstract
The invention relates to a cell phone wire controller, which is provided with pres keys of voice video program control, FM radio control, a phone locked control, a game control and lyric control and the like and a microphone. The wire controller is electrically connected with the cell phone through a left channel, a right channel and SIGNAL, is electrically MCLR, ICSPCLK and ICSPDAT, and is electrically with the microphone through the left channel and the right channel. The invention also relates to a control process of the cell phone wire controller, which comprises the steps that receiving a rising edge to arouse a MCU, starting a timer, judging the value of each position according to the width of high level, gaining data and check codes, starting to the check, judging whether is 0, 1, 2 and bit width set character, arranging the width of the bit according to a command, responding 0X81 according to the new width of the bit, and entering into the sleep state.
Description
Technical field
The present invention relates to a kind of mobile phone line control machine and control method thereof.
Background technology
Chinese patent 200710079857.7 discloses " modular mobile phone and system thereof ".Its purpose is to solve the requirement that special population uses mobile phone, also can be used as the group system scheme in communication.This modular mobile phone is made up of at least two modules of movable electrical connection, and the parts of described mobile phone are encapsulated into respectively in these modules.This modular mobile phone system comprises described modular mobile phone, mobile phone can be fixed near user's mouth ear and line control machine, and described line control machine can be answered by a button realization mobile phone, and described line control machine is connected with mobile phone.Its weak point is:
1, described line control machine realizes that feature content is too single, can't satisfy the under normal circumstances more user demand of special population.
2, after described line control machine connects mobile phone,, can't be electrically connected other earphones again, hinder special population the more enjoyment pursuit of high tone quality owing to there is not converting interface.
3, described line control machine is because of function singleness, and the moulding dullness is not enough to support the technology of high-tech content.
4, described line control machine internal circuit can't carry out two-way communication with the mobile module circuit.
Summary of the invention
The objective of the invention is to overcome above-mentioned weak point of the prior art, provide a kind of technical carrying more amusement functions, demonstrate fully fashion in the moulding, dazzle the mobile phone line control machine of cruel style.Another object of the present invention provide a kind of based on certain software protocol by mobile phone line control machine module and mobile module two-way communication to reach the mobile phone line control machine control method of specific function.
Purpose of the present invention can reach by following measure:
The control method of this mobile phone line control machine, its special character is, comprises the following step:
(1.1) starting command handling procedure (step 101);
(1.2) receive a rising edge, single-chip microcomputer wakes (step 102) up;
(1.3) start timer, the time sampling several times (step 103) of every bit;
(1.4) judge each value (step 104) according to the width of high level;
(1.5) obtain data and check code (step 105);
(1.6) verification begins not (step 106);
(1.7) if step 106 judged result for not, then enters sleep state (step 116);
(1.8) be then to enter next step 107 if step 106 is judged as;
(1.9) judge whether it is 0 (step 107);
(1.10) if step 107 judged result for not, then through " mute microphone (MIC) " (step 108), enters sleep state (step 116);
(1.11) if step 107 judged result is for being then to enter next step 109;
(1.12) judge whether to be 1 (step 109);
(1.13) if the judged result of step 109 for not, then enters sleep state (step 116) through " opening microphone " (step 110);
(1.14) if the judged result of step 109 is for being then to enter step 111;
(1.15) judge whether to be 2 (steps 111);
(1.16) if the judged result of step 111 for not, then enters sleep state (step 116) through " responding OX81 " (step 112);
(1.17) if the judged result of step 111 is for being then to enter next step 113;
(1.18) judge whether it is that the bit width is provided with word (step 113);
(1.19) if the judged result of step 113 for not, then enters sleep state (step 116);
(1.20) if the judged result of step 113 is for being then to enter next step 114;
(1.21) width (step 114) of bit is set according to order;
(1.22) respond OX81 (step 115) according to new bit width;
(1.23) enter sleep state (step 116).
Whether former described step 105 portion within it is provided with a verification module, make mobile phone can right judgement go out mobile phone line control machine factory product, and the process of check comprises following steps:
(1051). when mobile phone dispatched from the factory, inside comprised a public spoon and an open secret key decipherment algorithm;
(1052). when line control machine dispatched from the factory, inside comprised a private spoon and an open secret key cryptographic algorithm;
(1053). when needing checking, mobile phone produces a random number and sends line control machine to;
(1054). when line control machine is received data, encrypt with private spoon earlier, encrypted result is passed to mobile phone;
(1055). when mobile phone is received above result,, relatively whether more consistent with the result who passes to line control machine who oneself preserves with public spoon deciphering;
(1056) if. confirm consistently, then authentication is the line control machine that former factory produces.
Described step 103 comprises following steps:
(1031) thrust wake up after, the width of first high level of receiving of the beginning First Astronautic Research Institute for Measurement and Test;
(1032). it is exactly the width of the pulse of a bit sending of mobile phone that the width of resulting high level be multiply by 4/3, has so just guaranteed that line control machine can receive the signal of arbitrary speed;
(1033). multiply by in the above-mentioned step 1,032 4/3 realizes with multiply by 42/64 when realizing, all like this computings just can be made of displacement and Calais, have removed division arithmetic, have improved speed, reduced the degree of code, operation result is unaffected substantially again.
Described step 102 further comprises the following step:
(1021) button handling process (step 201);
(1022) receive the interruption (step 202) of 1O3;
(1023) check IO5～IO10, see which button be pressed (step 203);
(1024) key assignments with correspondence sends (step 204).
Described step 203 further comprises the following step
(2031) counter and zero clearing are set;
(2032) data of severe sampling button port, the data of each sampling are the same with last time how, and counter adds 1, otherwise zero clearing;
When (2033) the full definition of counting requires, think a correct key assignments and output.
Purpose of the present invention can also reach by following measure:
This mobile phone line control machine, described line control machine has function button and microphone, and its special character is: described line control machine module is electrically connected mobile phone through L channel, R channel, SIGNAL respectively; The earphone that line control machine is electrically connected MCLR, ICSPCLK, ICSPDAT and is electrically connected through L channel, R channel.
The line traffic control module of described band TVOUT function is respectively through signal, L channel, R channel is electrically connected mobile phone internal phone socket, the signal of mobile phone internal phone socket inserts analog switch 1 and receives sound, analog switch 1 connects control signal 1 simultaneously, analog switch 1 is electrically connected analog switch 2 through button/microphone signal, analog switch 2 receives control signal 2 simultaneously, analog switch 2 is respectively through push button signalling, microphone signal is electrically connected mobile phone baseband, mobile phone baseband receives the TV signal from analog switch 1, and mobile phone baseband receives the ADC detection from the output signal of mobile phone internal phone socket simultaneously.
Described not with the line traffic control module of TVOUT function, be electrically connected mobile phone internal phone socket through SIGNAL, L channel, R channel respectively, mobile phone internal phone socket is electrically connected analog switch through SIGNAL, mobile phone internal phone socket is electrically connected radio reception simultaneously, analog switch receives control signal, analog switch is electrically connected mobile phone baseband through push button signalling, microphone signal respectively, and mobile phone baseband receives the ADC control of mobile phone internal phone socket SIGNAL.The present invention has following advantage compared to existing technology:
1, can not only carry in the phone and answer, hang up function, can also carry the function of other numerous suitable special populations, as functions such as audio/video program control, the control of FM broadcast receiver, lock machine control, game control, lyrics controls.
2, general earphone in the compatible market makes things convenient for the user group to select more high-quality earphone to enjoy to improve tonequality.
Description of drawings
Fig. 1 is the flow chart of mobile phone line control machine control method of the present invention.
Fig. 2 is the flow chart that whether former mobile phone line control machine verification module of the present invention judge mobile phone line control machine factory examination and test of products process.
Fig. 3 is a mobile phone line control machine button process chart of the present invention.
Fig. 4 is that mobile phone line control machine of the present invention is checked the be pressed flow chart of process of button.
Fig. 5 is the circuit block diagram of mobile phone line control machine of the present invention.
Fig. 6 is the circuit theory diagrams of Fig. 5.
Fig. 7 is the circuit block diagram of mobile phone belt TVOUT function of the present invention.
Fig. 8 is the circuit theory diagrams of Fig. 7.
Fig. 9 is that mobile phone of the present invention is not with the circuit block diagram of TVOUT function.
Embodiment
The present invention is further detailed in conjunction with the accompanying drawings below:
Fig. 1, Fig. 2, Fig. 3, Fig. 4 show the embodiment of mobile phone line control machine control method of the present invention.
See also shown in the accompanying drawing, the control method of this mobile phone line control machine comprises the following step:
(1.1) starting command handling procedure (step 101);
(1.2) receive a rising edge, single-chip microcomputer wakes (step 102) up;
Described step 102 further comprises the following step:
(1021) button handling process (step 201);
(1022) receive the interruption (step 202) of 1O3;
(1023) check IO5～IO10, see which button be pressed (step 203);
Described step 203 further comprises the following step:
(2031) counter and zero clearing are set;
(2032) data of severe sampling button port, the data of each sampling are the same with last time how, and counter adds 1, otherwise zero clearing;
When (2033) the full definition of counting requires, think a correct key assignments and output;
(2024) key assignments with correspondence sends (step 204).
(1.3) start timer, the time sampling several times (step 103) of every bit;
Described step 103 comprises following steps:
(1031) thrust wake up after, the width of first high level of receiving of the beginning First Astronautic Research Institute for Measurement and Test;
(1032). it is exactly the width of the pulse of a bit sending of mobile phone that the width of resulting high level be multiply by 4/3, has so just guaranteed that line control machine can receive the signal of arbitrary speed;
(1033). multiply by in above-mentioned 1,032 4/3 realizes with multiply by 42/64 when realizing, all like this computings just can be made of displacement and Calais, have removed division arithmetic, have improved speed, reduced the degree of code, operation result is unaffected substantially again.
(1.4) judge each value (step 104) according to the width of high level;
(1.5) obtain data and check code (step 105);
Whether former described step 105 portion within it is provided with a verification module, make mobile phone can right judgement go out mobile phone line control machine factory product, and the process of check comprises following steps:
(1051). when mobile phone dispatched from the factory, inside comprised a public spoon and an open secret key decipherment algorithm;
(1052). when line control machine dispatched from the factory, inside comprised a private spoon and an open secret key cryptographic algorithm;
(1053). when needing checking, mobile phone produces a random number and sends line control machine to;
(1054). when line control machine is received data, encrypt with private spoon earlier, encrypted result is passed to mobile phone;
(1055). when mobile phone is received above result,, relatively whether more consistent with the result who passes to line control machine who oneself preserves with public spoon deciphering;
(1056) if. confirm consistently, then authentication is the line control machine that former factory produces
(1.6) verification begins not (step 106);
(1.7) if step 106 judged result for not, then enters sleep state (step 116);
(1.8) be then to enter next step 107 if step 106 is judged as;
(1.9) judge whether it is 0 (step 107);
(1.10) if step 107 judged result for not, then through " mute microphone (MIC) " (step 108), enters sleep state (step 116);
(1.11) if step 107 judged result is for being then to enter next step 109;
(1.12) judge whether to be 1 (step 109);
(1.13) if the judged result of step 109 for not, then enters sleep state (step 116) through " opening microphone " (step 110);
(1.14) if the judged result of step 109 is for being then to enter step 111;
(1.15) judge whether to be 2 (steps 111);
(1.16) if the judged result of step 111 for not, then enters sleep state (step 116) through " responding OX81 " (step 112);
(1.17) if the judged result of step 111 is for being then to enter next step 113;
(1.18) judge whether it is that the bit width is provided with word (step 113);
(1.19) if the judged result of step 113 for not, then enters sleep state (step 116);
(1.20) if the judged result of step 113 is for being then to enter next step 114;
(1.21) width (step 114) of bit is set according to order;
(1.22) respond OX81 (step 115) according to new bit width;
(1.23) enter sleep state (step 116).
Fig. 5, Fig. 6, Fig. 7, Fig. 8 show the hand line control machine embodiment of band TVOUT function of the present invention.
See also shown in the accompanying drawing, this mobile phone line control machine, described line control machine has function button and microphone, and the line control machine module is electrically connected mobile phone through L channel, R channel, SIGNAL respectively; The earphone that line control machine is electrically connected MCLR, ICSPCLK, ICSPDAT and is electrically connected through L channel, R channel.
This mobile phone line control machine further comprises: the line traffic control module of band TVOUT function is respectively through signal, L channel, R channel is electrically connected mobile phone internal phone socket, the signal of mobile phone internal phone socket inserts analog switch 1 and receives sound, analog switch 1 connects control signal 1 simultaneously, analog switch 1 is electrically connected analog switch 2 through button/microphone signal, analog switch 2 receives control signal 2 simultaneously, analog switch 2 is respectively through push button signalling, microphone signal is electrically connected mobile phone baseband, mobile phone baseband receives the TV signal from analog switch 1, and mobile phone baseband receives the ADC detection from the output signal of mobile phone internal phone socket simultaneously.
Fig. 5 is the line control machine schematic diagram, and the line control machine input interface has: upgrade interface (MCLR, ICSPDAT, ICSPCLK), audio signal input/output interface (MP3OUT_R, MP3OUT_L), signal input output interface (SIGNAL).
The line control machine operation principle: line traffic control has several buttons and a toggle switch according to Product Definition.Wherein toggle switch is locking key, and whether other buttons that are used to control except that the receiving/hang-up button start.All buttons all have corresponding GPIO to detect.Because the MCU that adopts has the SLEEP battery saving mode, therefore, special-purpose hereby interrupt interface wakes IC up.As long as any one button is normally done the time spent in the button, all can cause interruption, detect level by GPIO then, send respective signal to mobile phone by the IC coding and through the SIGNAL line at last.
Line control machine IC has control MIC function.At the line traffic control state, IC turn-offs MIC, prevents that MIC from disturbing the line traffic control signal; At the normal talking state that receives calls, IC opens MIC, and is in high state simultaneously, guarantee the MIC operate as normal, and the MIC signal is interference-free.
Input and output SIGNAL signal is used for line traffic control and mobile communication signal.At the MIC state, be used to transmit the MIC signal; At the line traffic control state, be used to receive mobile phone command or send key information.
Audio signal (MP3OUT_R, MP3OUT_L) can directly or indirectly arrive earphone by line traffic control.
Upgrade interface (MCLR, ICSPDAT, ICSPCLK) is used for upgrading.
Fig. 7 is inner relevant with the line traffic control circuit of mobile phone.The interface of line traffic control and mobile phone is 4 rank earphones, and signal is respectively: GND, XMP3_L (MP3OUT_L), XMP3_R (MP3OUT_R), XMICP (SIGNAL).
Because earphone socket has multiple use at present, therefore, need discern according to the characteristic of different purposes.RM is 2 kinds, and a kind of is software prompt customer selecting mode, and another kind is the hardware detection mode.Whether software mode only need detect earphone socket and open, and mobile phone interface shows the purposes that this mobile phone comprises then, selects to get final product operate as normal for the user.Hardware mode needs a magnitude of voltage with IO mouth detection XMICP of ADC function, judges that then present purposes gets final product.
Because output interface has only one, therefore the signal of different purposes all needs to select the back to export by output interface by analog switch.The analog switch path is controlled according to the information of above 2 kinds of any RMs by mobile phone IC.
Fig. 5, Fig. 6, Fig. 7, Fig. 9 show the present invention not with the embodiment of the mobile phone line control machine of TVOUT function.
See also shown in the accompanying drawing, this line control machine has function button and microphone, and described line control machine module is electrically connected mobile phone through L channel, R channel, SIGNAL respectively; The earphone that line control machine is electrically connected MCLR, ICSPCLK, ICSPDAT and is electrically connected through L channel, R channel.
This mobile phone line control machine further comprises: not with the line traffic control module of TVOUT function, be electrically connected mobile phone internal phone socket through SIGNAL, L channel, R channel respectively, mobile phone internal phone socket is electrically connected analog switch through SIGNAL, mobile phone internal phone socket is electrically connected radio reception simultaneously, analog switch receives control signal, analog switch is electrically connected mobile phone baseband through push button signalling, microphone signal respectively, and mobile phone baseband receives the ADC control of mobile phone internal phone socket SIGNAL.
Fig. 5 is the line control machine schematic diagram.
Line control machine operation principle: total several buttons of line traffic control and a toggle switch.Wherein toggle switch is locking key, and whether other buttons that are used to control except that the receiving/hang-up button start.Each button all has corresponding GPIO to detect.Because IC has the SLEEP battery saving mode, therefore, special-purpose hereby interrupt interface wakes IC up.As long as any one button is normally done the time spent in the button, all can cause interruption, detect level by GPIO then, send respective signal to mobile phone by the IC coding and through the SIGNAL line at last.
Line control machine IC has control MIC function.At the line traffic control state, IC turn-offs MIC, prevents that MIC from disturbing the line traffic control signal; At the normal talking state that receives calls, IC opens MIC, and is in high state simultaneously, guarantee the MIC operate as normal, and the MIC signal is interference-free.
Input and output SIGNAL signal is used for line traffic control and mobile communication signal.At the MIC state, be used to transmit the MIC signal; At the line traffic control state, be used to receive mobile phone command or send key information.
Audio signal (MP3OUT_R, MP3OUT_L) directly arrives earphone by line traffic control.Upgrade interface (MCLR, ICSPDAT, ICSPCLK) is used for upgrading.
Fig. 9 is inner relevant with the line traffic control circuit of mobile phone.
The interface of line traffic control and mobile phone is 4 rank earphones, and signal is respectively: GND, HPOUTR (MP3OUT_L), HPOUTL (MP3OUT_R), HSMIC_LINECONTR (SIGNAL).
Because earphone socket has multiple use at present, therefore, need discern according to the characteristic of different purposes.RM and principle are not just considered the TV function, thereby can be simplified identification circuit and software with above-mentioned Fig. 7.
Because output interface has only one, therefore the signal of different purposes all needs to select the back to export by output interface by analog switch.The analog switch path is controlled according to the information of above 2 kinds of any RMs by mobile phone IC.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to claim scope of the present invention change and modify, and all should belong to the covering scope of claim of the present invention.
Claims (8)
1. the control method of a mobile phone line control machine is characterized in that, comprises the following step:
(1.1) starting command handling procedure (step 101);
(1.2) receive a rising edge, single-chip microcomputer wakes (step 102) up;
(1.3) start timer, the time sampling several times (step 103) of every bit;
(1.4) judge each value (step 104) according to the width of high level;
(1.5) obtain data and check code (step 105);
(1.6) verification begins not (step 106);
(1.7) if step 106 judged result for not, then enters sleep state (step 116);
(1.8) be then to enter next step 107 if step 106 is judged as;
(1.9) judge whether it is 0 (step 107);
(1.10) if step 107 judged result for not, then through " mute microphone (MIC) " (step 108), enters sleep state (step 116);
(1.11) if step 107 judged result is for being then to enter next step 109;
(1.12) judge whether to be 1 (step 109);
(1.13) if the judged result of step 109 for not, then enters sleep state (step 116) through " opening microphone " (step 110);
(1.14) if the judged result of step 109 is for being then to enter step 111;
(1.15) judge whether to be 2 (steps 111);
(1.16) if the judged result of step 111 for not, then enters sleep state (step 116) through " responding OX81 " (step 112);
(1.17) if the judged result of step 111 is for being then to enter next step 113;
(1.18) judge whether it is that the bit width is provided with word (step 113);
(1.19) if the judged result of step 113 for not, then enters sleep state (step 116);
(1.20) if the judged result of step 113 is for being then to enter next step 114;
(1.21) width (step 114) of bit is set according to order;
(1.22) respond OX81 (step 115) according to new bit width;
(1.23) enter sleep state (step 116).
2. whether former according to the control method of the described mobile phone line control machine of claim 1, it is characterized in that described step 105 portion within it is provided with a verification module, make mobile phone can right judgement go out mobile phone line control machine factory product, the process of check comprises following steps:
(1051). when mobile phone dispatched from the factory, inside comprised a public spoon and an open secret key decipherment algorithm;
(1052). when line control machine dispatched from the factory, inside comprised a private spoon and an open secret key cryptographic algorithm;
(1053). when needing checking, mobile phone produces a random number and sends line control machine to;
(1054). when line control machine is received data, encrypt with private spoon earlier, encrypted result is passed to mobile phone;
(1055). when mobile phone is received above result,, relatively whether more consistent with the result who passes to line control machine who oneself preserves with public spoon deciphering;
(1056) if. confirm consistently, then authentication is the line control machine that former factory produces.
3. according to the control method of the described mobile phone line control machine of claim 1, it is characterized in that described step 103 comprises following steps:
(1031). after interrupting waking up, the width of first high level that the beginning First Astronautic Research Institute for Measurement and Test receives;
(1032). it is exactly the width of the pulse of a bit sending of mobile phone that the width of resulting high level be multiply by 4/3, has so just guaranteed that line control machine can receive the signal of arbitrary speed;
(1033). multiply by in above-mentioned 1,032 4/3 realizes with multiply by 42/64 when realizing, all like this computings just can be made of displacement and Calais, have removed division arithmetic, have improved speed, reduced the degree of code, operation result is unaffected substantially again.
4. according to the control method of the described mobile phone line control machine of claim 1, it is characterized in that described step 102 further comprises the following step:
(1021) button handling process (step 201);
(1022) receive the interruption (step 202) of IO3;
(1023) check IO5～IO10, see which button be pressed (step 203);
(1024) key assignments with correspondence sends (step 204).
5. according to the control method of the described mobile phone line control machine of claim 2, it is characterized in that described step 203 further comprises the following step:
(2031) counter and zero clearing are set;
(2032) data of severe sampling button port, the data of each sampling are the same with last time how, and counter adds 1, otherwise zero clearing;
When (2033) the full definition of counting requires, think a correct key assignments and output.
6. mobile phone line control machine, described line control machine has function button and microphone, it is characterized in that: described line control machine module is electrically connected mobile phone through L channel, R channel, SIGNAL respectively; The earphone that line control machine is electrically connected MCLR, ICSPCLK, ICSPDAT and is electrically connected through L channel, R channel.
7. mobile phone line control machine according to claim 6, it is characterized in that, the line traffic control module of described band TVOUT function is respectively through signal, L channel, R channel is electrically connected mobile phone internal phone socket, the signal of mobile phone internal phone socket inserts analog switch 1 and receives sound, analog switch 1 connects control signal 1 simultaneously, analog switch 1 is electrically connected analog switch 2 through button/microphone signal, analog switch 2 receives control signal 2 simultaneously, analog switch 2 is respectively through push button signalling, microphone signal is electrically connected mobile phone baseband, mobile phone baseband receives the TV signal from analog switch 1, and mobile phone baseband receives the ADC detection from the output signal of mobile phone internal phone socket simultaneously.
8. mobile phone line control machine according to claim 6, it is characterized in that, described not with the line traffic control module of TVOUT function, be electrically connected mobile phone internal phone socket through SIGNAL, L channel, R channel respectively, mobile phone internal phone socket is electrically connected analog switch through SIGNAL, mobile phone internal phone socket is electrically connected radio reception simultaneously, analog switch receives control signal, analog switch is electrically connected mobile phone baseband through push button signalling, microphone signal respectively, and mobile phone baseband receives the ADC control of mobile phone internal phone socket SIGNAL.
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| CN102364515A (en) * | 2011-10-24 | 2012-02-29 | 深圳盒子支付信息技术有限公司 | Payment circuit of mobile payment terminal |
| CN102646175A (en) * | 2012-04-22 | 2012-08-22 | 上海林果实业有限公司 | Safety certificating equipment and method based on audio signal communication |
| CN103237281A (en) * | 2013-05-08 | 2013-08-07 | 广东欧珀移动通信有限公司 | Earphone wire control circuit of mobile terminal and wire control method |
| CN103618924A (en) * | 2013-11-26 | 2014-03-05 | 乐视网信息技术（北京）股份有限公司 | Method for controlling video and user terminal |
| CN104301824A (en) * | 2014-09-29 | 2015-01-21 | 广州酷狗计算机科技有限公司 | Drive-by-wire device, controller, method and device |
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| CN2817228Y (en) * | 2005-03-09 | 2006-09-13 | 黄文涛 | Ear phone line control device capable of controlling mobile phone |
| CN2859967Y (en) * | 2005-10-28 | 2007-01-17 | 中电赛龙通信研究中心有限责任公司 | New pattern line-control ear phone |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102364515A (en) * | 2011-10-24 | 2012-02-29 | 深圳盒子支付信息技术有限公司 | Payment circuit of mobile payment terminal |
| CN102364515B (en) * | 2011-10-24 | 2014-12-17 | 深圳盒子支付信息技术有限公司 | Payment circuit of mobile payment terminal |
| CN102646175A (en) * | 2012-04-22 | 2012-08-22 | 上海林果实业有限公司 | Safety certificating equipment and method based on audio signal communication |
| CN103237281A (en) * | 2013-05-08 | 2013-08-07 | 广东欧珀移动通信有限公司 | Earphone wire control circuit of mobile terminal and wire control method |
| CN103237281B (en) * | 2013-05-08 | 2016-07-06 | 广东欧珀移动通信有限公司 | The earphone line control circuit of a kind of mobile terminal and line control method |
| CN103618924A (en) * | 2013-11-26 | 2014-03-05 | 乐视网信息技术（北京）股份有限公司 | Method for controlling video and user terminal |
| CN104301824A (en) * | 2014-09-29 | 2015-01-21 | 广州酷狗计算机科技有限公司 | Drive-by-wire device, controller, method and device |
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