CN103219988A - Method for automatically identifying pluggable audio devices and terminal - Google Patents
Method for automatically identifying pluggable audio devices and terminal Download PDFInfo
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- CN103219988A CN103219988A CN2013100877324A CN201310087732A CN103219988A CN 103219988 A CN103219988 A CN 103219988A CN 2013100877324 A CN2013100877324 A CN 2013100877324A CN 201310087732 A CN201310087732 A CN 201310087732A CN 103219988 A CN103219988 A CN 103219988A
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- terminal
- frequency apparatus
- triode
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- audio frequency
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/03—Connection circuits to selectively connect loudspeakers or headphones to amplifiers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/05—Detection of connection of loudspeakers or headphones to amplifiers
Abstract
The invention relates to an electronic payment terminal product, in particular to a method for automatically identifying pluggable audio devices and a terminal. When an audio device is plugged into the terminal, a signal is provided for a micro-programmed control unit (MCU) of the terminal so as to judge a plug state of the audio device and control the terminal to perform powering-on operation of by utilizing internal electrical characteristics of an audio interface of the audio device. When the audio device is pulled out of the terminal, another signal is provided for the MCU so as to judge a pulling-out state of the audio device and control the terminal to perform powering-off operation. The method can ensure long-term usage of the terminal and further strengthens application compatibility of mobile payment terminals to various audio devices.
Description
Technical field
The present invention relates to the electronic payment terminal product, particularly a kind of terminal of automatic identification plug audio frequency apparatus, it can realize that terminal connects the automatic plug identification of audio frequency apparatus.
Background technology
Along with electronics and rapid development of computer technology, it uses the every field that has been deep in the life.The E-Payment product is no exception, and the portable personal payment will be to pay following developing direction by mails, and this just requires payment terminal must be low-power consumption, portable design.Low-power consumption then requires terminal can effectively save electric weight, can power on automatically when the mobile payment terminal is connected with audio frequency apparatus; When mobile payment terminal and audio frequency apparatus disconnection, terminal can be cut off the power supply automatically.Realize this function, the identification that is dynamically connected certainly of mobile payment terminal and audio frequency apparatus is most important.
State is extracted in the insertion of automatic checkout equipment, make things convenient for the software administration device resource and realize function, provide the load switching interface to hardware simultaneously, realize powering on, begin communication automatically, finishing operations such as communication, outage of mobile payment terminal, satisfy terminal low-power consumption requirement.But the audio port internal circuit of various audio frequency apparatuses is equivalent to a flight data recorder, and the mobile phone and the panel computer of various brand (Android, apple), and internal circuit varies, and the plug identification of more mobile payment terminal has increased difficulty.The automatic plug of mobile payment terminal detects wants the compatible audio frequency apparatus that so dragons and fishes jumbled together, and becoming becomes the people in the industry and making great efforts one of important topic of tackling key problems.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of terminal of automatic identification plug audio frequency apparatus, this plug recognition mechanism is a kind of effective, reliable, compatible strong application mode.
The invention provides a kind of method of automatic identification plug audio frequency apparatus, it is characterized in that: when an audio frequency apparatus inserts a terminal, utilize the internal electric characteristic of the audio interface of described audio frequency apparatus, the MCU of one signal to described terminal is provided, be used to judge the insertion state of described audio frequency apparatus, to control the operation that powers on of described terminal; When described audio frequency apparatus is extracted described terminal, provide another signal to described MCU, be used to judge the state of extracting of described audio frequency apparatus, carry out power operation to control described terminal.
In an embodiment of the present invention, the internal electric characteristic of the audio interface of described audio frequency apparatus is the DC biased level of MIC passage or the internal resistance and the voltage of left and right acoustic channels.
The present invention also provides a kind of terminal of automatic identification plug audio frequency apparatus, it is characterized in that: comprise a plug identification circuit, the input of described plug identification circuit connects the audio interface of described terminal, and the output of described plug identification circuit connects the MCU of described terminal; Utilize the internal electric characteristic of the audio interface of described audio frequency apparatus, provide a status signal, be used to judge the plug state of described audio frequency apparatus to described MCU.
In an embodiment of the present invention, the audio interface of described terminal comprises audio port MIC passage, audio port L channel and audio port R channel, and the internal electric characteristic of the audio interface of described audio frequency apparatus is the DC biased level of MIC passage or the internal resistance and the voltage of left and right acoustic channels.
In order to realize this terminal of identification plug audio frequency apparatus automatically, first kind of scheme that the present invention adopts is: the audio interface of described terminal is the audio port sound channel; Described plug identification circuit comprises a triode Q11 and a triode Q12; The base stage of the described triode Q11 input of a resistance R 11 of connecting as described plug identification circuit; The emitter of described triode Q11 connects power supply and connects the base stage of described triode Q11 by a resistance R 12; The collector electrode of described triode Q11 is connected the base stage of described triode Q12 by a divider resistance R13 and a divider resistance R14; The grounded emitter of described triode Q12; The collector electrode of described triode Q12 is connected a resistance R 15 as the output of described plug identification circuit and by a resistance R 16 connection power supplys.
In an embodiment of the present invention, described audio port sound channel is audio port L channel or audio port R channel.
Second kind of scheme that the present invention adopts is: the audio interface of described terminal is an audio port MIC passage; Described plug identification circuit comprises a triode Q21; The base stage of described triode Q21 is connected to ground and passes through the input of a divider resistance R22 as described plug identification circuit by a divider resistance R21; The grounded emitter of described triode Q21; The collector electrode of described triode Q21 is connected a resistance R 23 as the output of described plug identification circuit and by a resistance R 24 connection power supplys.
The third scheme that the present invention adopts is: described plug identification circuit comprises a triode Q31 and a triode Q32; The base stage of the described triode Q31 resistance R 31 of connecting connects the audio port sound channel of described terminal; The emitter of described triode Q31 connects power supply and connects the base stage of described triode Q31 by a resistance R 32; The collector electrode of described triode Q31 connects the anode of a diode D1, and the negative electrode of described diode D1 connects the negative electrode of a diode D2 and the end of a divider resistance R33; The anode of described diode D2 connects the MIC passage of described terminal; The other end of described divider resistance R33 connects the base stage of an end and the described triode Q32 of a divider resistance R34; The other end ground connection of described divider resistance R34; The grounded emitter of described triode Q32; The collector electrode of described triode Q32 is connected a resistance R 35 as the output of described plug identification circuit and by a resistance R 36 connection power supplys.
In an embodiment of the present invention, described audio port sound channel is audio port L channel or audio port R channel.
In an embodiment of the present invention, described audio frequency apparatus is mobile phone or panel computer.
The present invention discerns the method and the terminal of plug audio frequency apparatus automatically, it is the inherent feature of utilizing the audio interface of audio frequency apparatus, again in conjunction with external circuit (plug identification circuit), in terminal (mobile payment terminal) when being connected with audio frequency apparatus, provide a kind of signal effectively reliably to be used to judge the insertion of audio frequency apparatus to MCU; When mobile payment terminal and audio frequency apparatus disconnect, provide another kind of signal to MCU again automatically, be used to judge that audio frequency apparatus extracts.For the more audio frequency apparatus of compatibility, can utilize sound channel and MIC to act on simultaneously, as the plug detection of terminal and audio frequency apparatus.The present invention extracts the detection of audio frequency apparatus when can be applicable to the proper communication closing the transaction, also can be applied to unexpected detection of extracting audio frequency apparatus in the communication process.The compatible various audio frequency apparatuses of energy have good versatility simultaneously.So use, not only can guarantee the long-term use of terminal equipment, more strengthened the application compatibility of mobile payment terminal various audio frequency apparatuses.
Description of drawings
Fig. 1 is that the present invention utilizes the audio port R channel to realize the circuit theory diagrams of plug identification.
Fig. 2 is that the present invention utilizes audio port MIC passage to realize the circuit theory diagrams of plug identification.
Fig. 3 is that the present invention utilizes audio port R channel and MIC to realize the circuit theory diagrams of plug identification jointly.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, below will the present invention be described in further detail by specific embodiment and relevant drawings.
The invention provides a kind of method of automatic identification plug audio frequency apparatus, it is characterized in that: when an audio frequency apparatus inserts a terminal, utilize the internal electric characteristic of the audio interface of described audio frequency apparatus, the MCU of one signal to described terminal is provided, be used to judge the insertion state of described audio frequency apparatus, to control the operation that powers on of described terminal; When described audio frequency apparatus is extracted described terminal, provide another signal to described MCU, be used to judge the state of extracting of described audio frequency apparatus, carry out power operation to control described terminal.
In an embodiment of the present invention, the internal electric characteristic of the audio interface of described audio frequency apparatus is the DC biased level of MIC passage or the internal resistance and the voltage of left and right acoustic channels.Described signal and described another signal are opposite signal; Described another signal was a low level when for example described signal was high level; When described signal was low level, described another signal was a high level.
The present invention also provides a kind of terminal of automatic identification plug audio frequency apparatus, it is characterized in that: comprise a plug identification circuit, the input of described plug identification circuit connects the audio interface of described terminal, and the output of described plug identification circuit connects the MCU of described terminal; Utilize the internal electric characteristic of the audio interface of described audio frequency apparatus, provide a status signal, be used to judge the plug state of described audio frequency apparatus to described MCU.
In a preferred embodiment of the present invention, described status signal comprises two unlike signals, for example when audio frequency apparatus inserts terminal, provides a high level (or low level) to give described MCU, in order to confirm the insertion state of described audio frequency apparatus; When audio frequency apparatus is extracted terminal, provide a low level (or high level) to give described MCU, in order to confirm the state of extracting of described audio frequency apparatus.The audio interface of described terminal comprises audio port MIC passage, audio port L channel and audio port R channel, and the internal electric characteristic of the audio interface of described audio frequency apparatus is the DC biased level of MIC passage or the internal resistance and the voltage of left and right acoustic channels.
In order to realize this terminal of identification plug audio frequency apparatus automatically, as shown in Figure 1, first kind of scheme that the present invention adopts is: the audio interface of described terminal is the audio port sound channel; Described plug identification circuit comprises a triode Q11 and a triode Q12; The base stage of the described triode Q11 input of a resistance R 11 of connecting as described plug identification circuit; The emitter of described triode Q11 connects power supply and connects the base stage of described triode Q11 by a resistance R 12; The collector electrode of described triode Q11 is connected the base stage of described triode Q12 by a divider resistance R13 and a divider resistance R14; The grounded emitter of described triode Q12; The collector electrode of described triode Q12 is connected a resistance R 15 as the output of described plug identification circuit and by a resistance R 16 connection power supplys.
In a preferred embodiment of the present invention, described terminal is the mobile payment terminal, and described audio frequency apparatus is mobile phone, panel computer or other intelligent movable equipment, but is not limited only to this.The audio port sound channel of described terminal is audio port R channel or audio port L channel, and the internal electric characteristic of the earphone sound channel of described audio frequency apparatus is the internal resistance and the voltage of earphone R channel or earphone L channel.When the mobile payment terminal of present embodiment is connected with the earphone of audio frequency apparatus, earphone R channel internal circuit and the synergy of plug identification circuit, make triode Q11 conducting, cause triode Q12 conducting, make the collector electrode of triode Q12 export a stable and reliable signal, be used to detect the insertion of audio frequency apparatus to described terminal MCU.When the earphone of the mobile payment terminal of present embodiment and audio frequency apparatus disconnected, triode Q11 and triode Q12 closed, and made the collector electrode of triode Q12 export another kind of signal and gave terminal equipment MCU, were used to detect extracting of audio frequency apparatus.
As shown in Figure 2, second kind of scheme of the present invention's employing is: the audio interface of described terminal is an audio port MIC passage; Described plug identification circuit comprises a triode Q21; The base stage of described triode Q21 is connected to ground and passes through the input of a divider resistance R22 as described plug identification circuit by a divider resistance R21; The grounded emitter of described triode Q21; The collector electrode of described triode Q21 is connected a resistance R 23 as the output of described plug identification circuit and by a resistance R 24 connection power supplys.
In a preferred embodiment of the present invention, described terminal is the mobile payment terminal, and described audio frequency apparatus is mobile phone, panel computer or other intelligent movable equipment, but is not limited only to this.In a preferred embodiment of the present invention, the internal electric characteristic of the audio interface of described audio frequency apparatus is the DC biased level of MIC passage.When the mobile payment terminal of present embodiment was connected with the earphone of audio frequency apparatus, the DC level of earphone MIC passage made triode Q21 conducting, the collector electrode of triode Q21 export a kind of stable and reliable signal and gives terminal MCU, is used to detect the insertion of audio frequency apparatus.When the earphone of the mobile payment terminal of present embodiment and audio frequency apparatus disconnected, triode Q21 closed, and made the collector electrode of triode Q21 export another kind of signal and gave terminal MCU, was used to detect extracting of audio frequency apparatus.
As shown in Figure 3, the third scheme of the present invention's employing is: described plug identification circuit comprises a triode Q31 and a triode Q32; The base stage of the described triode Q31 resistance R 31 of connecting connects the audio port sound channel of described terminal; The emitter of described triode Q31 connects power supply and connects the base stage of described triode Q31 by a resistance R 32; The collector electrode of described triode Q31 connects the anode of a diode D1, and the negative electrode of described diode D1 connects the negative electrode of a diode D2 and the end of a divider resistance R33; The anode of described diode D2 connects the MIC passage of described terminal; The other end of described divider resistance R33 connects the base stage of an end and the described triode Q32 of a divider resistance R34; The other end ground connection of described divider resistance R34; The grounded emitter of described triode Q32; The collector electrode of described triode Q32 is connected a resistance R 35 as the output of described plug identification circuit and by a resistance R 36 connection power supplys.
In a preferred embodiment of the present invention, described terminal is the mobile payment terminal, and described audio frequency apparatus is mobile phone, panel computer or other intelligent movable equipment, but is not limited only to this.The audio port sound channel of described terminal is audio port R channel or audio port L channel, and the internal electric characteristic of the audio interface of described audio frequency apparatus is the DC biased level of MIC passage and the internal resistance and the voltage of earphone R channel or earphone L channel.Present embodiment utilizes the earphone R channel of audio frequency apparatus and MIC passage to act on simultaneously, connects outside triode other switch elements such as (or) metal-oxide-semiconductors circuit again, realizes that the plug of audio frequency apparatus detects.When the mobile payment terminal of present embodiment is connected with the earphone of audio frequency apparatus, as long as earphone R channel and MIC passage have a side to work, the capital makes triode Q31 and triode Q32 conducting, the collector electrode of triode Q32 is exported a kind of stable and reliable signal and is given described terminal MCU, is used to detect the insertion of audio frequency apparatus.When the earphone of the mobile payment terminal of present embodiment and audio frequency apparatus disconnected, triode Q31 and triode Q32 closed, and the collector electrode of triode Q32 is exported another kind of signal and given described terminal MCU, is used to detect extracting of audio frequency apparatus.
So use, make the mobile payment terminal to recognize automatically to be in insertion and still extract state with audio frequency apparatus, make things convenient for software administration to use, can realize simultaneously the self-starting of switching on and shutting down, can also guarantee the long-term use of end cell to greatest extent, more strengthen the application compatibility of terminal various audio frequency apparatuses.
Above-listed preferred embodiment; the purpose, technical solutions and advantages of the present invention are further described; institute is understood that; the above only is preferred embodiment of the present invention; not in order to restriction the present invention; within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. automatic method of identification plug audio frequency apparatus, it is characterized in that: when an audio frequency apparatus inserts a terminal, utilize the internal electric characteristic of the audio interface of described audio frequency apparatus, the MCU of one signal to described terminal is provided, be used to judge the insertion state of described audio frequency apparatus, to control the operation that powers on of described terminal; When described audio frequency apparatus is extracted described terminal, provide another signal to described MCU, be used to judge the state of extracting of described audio frequency apparatus, carry out power operation to control described terminal.
2. the method for a kind of automatic identification plug audio frequency apparatus according to claim 1 is characterized in that: the internal electric characteristic of the audio interface of described audio frequency apparatus is the DC biased level of MIC passage or the internal resistance and the voltage of left and right acoustic channels.
3. automatic terminal of identification plug audio frequency apparatus, it is characterized in that: comprise a plug identification circuit, the input of described plug identification circuit connects the audio interface of described terminal, and the output of described plug identification circuit connects the MCU of described terminal; Utilize the internal electric characteristic of the audio interface of described audio frequency apparatus, provide a status signal, be used to judge the plug state of described audio frequency apparatus to described MCU.
4. the terminal of automatic identification plug audio frequency apparatus according to claim 3, it is characterized in that: the audio interface of described terminal comprises audio port MIC passage, audio port L channel and audio port R channel, and the internal electric characteristic of the audio interface of described audio frequency apparatus is the DC biased level of MIC passage or the internal resistance and the voltage of left and right acoustic channels.
5. the terminal of automatic identification plug audio frequency apparatus according to claim 3 is characterized in that: the audio interface of described terminal is the audio port sound channel; Described plug identification circuit comprises a triode Q11 and a triode Q12; The base stage of the described triode Q11 input of a resistance R 11 of connecting as described plug identification circuit; The emitter of described triode Q11 connects power supply and connects the base stage of described triode Q11 by a resistance R 12; The collector electrode of described triode Q11 is connected the base stage of described triode Q12 by a divider resistance R13 and a divider resistance R14; The grounded emitter of described triode Q12; The collector electrode of described triode Q12 is connected a resistance R 15 as the output of described plug identification circuit and by a resistance R 16 connection power supplys.
6. the terminal of automatic identification plug audio frequency apparatus according to claim 5 is characterized in that: described audio port sound channel is audio port L channel or audio port R channel.
7. the terminal of automatic identification plug audio frequency apparatus according to claim 3 is characterized in that: the audio interface of described terminal is an audio port MIC passage; Described plug identification circuit comprises a triode Q21; The base stage of described triode Q21 is connected to ground and passes through the input of a divider resistance R22 as described plug identification circuit by a divider resistance R21; The grounded emitter of described triode Q21; The collector electrode of described triode Q21 is connected a resistance R 23 as the output of described plug identification circuit and by a resistance R 24 connection power supplys.
8. the terminal of automatic identification plug audio frequency apparatus according to claim 3 is characterized in that: described plug identification circuit comprises a triode Q31 and a triode Q32; The base stage of the described triode Q31 resistance R 31 of connecting connects the audio port sound channel of described terminal; The emitter of described triode Q31 connects power supply and connects the base stage of described triode Q31 by a resistance R 32; The collector electrode of described triode Q31 connects the anode of a diode D1, and the negative electrode of described diode D1 connects the negative electrode of a diode D2 and the end of a divider resistance R33; The anode of described diode D2 connects the MIC passage of described terminal; The other end of described divider resistance R33 connects the base stage of an end and the described triode Q32 of a divider resistance R34; The other end ground connection of described divider resistance R34; The grounded emitter of described triode Q32; The collector electrode of described triode Q32 is connected a resistance R 35 as the output of described plug identification circuit and by a resistance R 36 connection power supplys.
9. the terminal of automatic identification plug audio frequency apparatus according to claim 8 is characterized in that: described audio port sound channel is audio port L channel or audio port R channel.
10. the terminal of automatic identification plug audio frequency apparatus according to claim 3 is characterized in that: described audio frequency apparatus is mobile phone or panel computer.
Priority Applications (2)
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CN201310087732.4A CN103219988B (en) | 2013-03-19 | 2013-03-19 | Automatically method and the terminal of plug audio frequency apparatus are identified |
PCT/CN2014/071021 WO2014146510A1 (en) | 2013-03-19 | 2014-01-21 | Method and terminal for automatically identifying pluggable audio devices |
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CN201310087732.4A CN103219988B (en) | 2013-03-19 | 2013-03-19 | Automatically method and the terminal of plug audio frequency apparatus are identified |
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CN103219988B CN103219988B (en) | 2016-06-08 |
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WO2014146510A1 (en) * | 2013-03-19 | 2014-09-25 | 福建联迪商用设备有限公司 | Method and terminal for automatically identifying pluggable audio devices |
CN104700513A (en) * | 2013-12-06 | 2015-06-10 | 牛毅 | Audio-interface self-adaptation circuit, cellphone card reader and audio-interface self-adaptation method |
CN105635486A (en) * | 2016-03-01 | 2016-06-01 | 广东欧珀移动通信有限公司 | Method and terminal for starting photographing mode of selfie stick |
CN106445448A (en) * | 2016-08-29 | 2017-02-22 | 北京元心科技有限公司 | Audio device control method and system of terminal and mobile terminal |
CN107005762A (en) * | 2015-04-09 | 2017-08-01 | 华为技术有限公司 | Audio connector recognition methods and portable electric appts |
CN108521873A (en) * | 2018-04-12 | 2018-09-11 | 深圳市汇顶科技股份有限公司 | The control device and wired earphone of earphone |
CN108965784A (en) * | 2017-12-28 | 2018-12-07 | 北京视联动力国际信息技术有限公司 | A kind of data processing method and device of view networking |
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WO2014146510A1 (en) * | 2013-03-19 | 2014-09-25 | 福建联迪商用设备有限公司 | Method and terminal for automatically identifying pluggable audio devices |
CN104700513A (en) * | 2013-12-06 | 2015-06-10 | 牛毅 | Audio-interface self-adaptation circuit, cellphone card reader and audio-interface self-adaptation method |
CN104700513B (en) * | 2013-12-06 | 2017-04-26 | 牛毅 | Audio-interface self-adaptation circuit, cellphone card reader and audio-interface self-adaptation method |
CN107005762A (en) * | 2015-04-09 | 2017-08-01 | 华为技术有限公司 | Audio connector recognition methods and portable electric appts |
CN107005762B (en) * | 2015-04-09 | 2019-12-13 | 华为技术有限公司 | Audio connector identification method and portable electronic equipment |
CN105635486B (en) * | 2016-03-01 | 2019-05-10 | Oppo广东移动通信有限公司 | A kind of method and terminal starting self-shooting bar photographing mode |
CN105635486A (en) * | 2016-03-01 | 2016-06-01 | 广东欧珀移动通信有限公司 | Method and terminal for starting photographing mode of selfie stick |
CN106445448A (en) * | 2016-08-29 | 2017-02-22 | 北京元心科技有限公司 | Audio device control method and system of terminal and mobile terminal |
CN108965784A (en) * | 2017-12-28 | 2018-12-07 | 北京视联动力国际信息技术有限公司 | A kind of data processing method and device of view networking |
CN108965784B (en) * | 2017-12-28 | 2020-09-08 | 视联动力信息技术股份有限公司 | Data processing method and device for video network |
CN108521873A (en) * | 2018-04-12 | 2018-09-11 | 深圳市汇顶科技股份有限公司 | The control device and wired earphone of earphone |
CN108521873B (en) * | 2018-04-12 | 2021-03-19 | 深圳市汇顶科技股份有限公司 | Earphone control device and wired earphone |
CN112924499A (en) * | 2021-01-27 | 2021-06-08 | 三诺生物传感股份有限公司 | Test strip inserting strip identification device, test strip sample suction judgment device and test strip sample suction judgment method |
Also Published As
Publication number | Publication date |
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CN103219988B (en) | 2016-06-08 |
WO2014146510A1 (en) | 2014-09-25 |
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