CN103826182A - Method for carrying out talkback by Bluetooth headsets - Google Patents
Method for carrying out talkback by Bluetooth headsets Download PDFInfo
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- CN103826182A CN103826182A CN201410086910.6A CN201410086910A CN103826182A CN 103826182 A CN103826182 A CN 103826182A CN 201410086910 A CN201410086910 A CN 201410086910A CN 103826182 A CN103826182 A CN 103826182A
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Abstract
The invention relates to the field of electronic communication, and in particular relates to a method for carrying out talkback by Bluetooth headsets. The method comprises the following steps: (1) carrying out pairing connection on a first Bluetooth headset and a second Bluetooth headset; (2) carrying out audio signal mutual transmission between the first Bluetooth headset and the second Bluetooth headset, wherein the method does not need to additionally arrange modules, and is low in cost and capable of meeting a remote talkback need.
Description
Technical field
The present invention relates to electronic communication field, relate in particular to a kind of method of utilizing bluetooth earphone to carry out intercommunication.
Background technology
Bluetooth technology is the technology of a kind of low cost, low-power and short-distance wireless communication, can be widely used on earphone.User can exempt irritating electric wire by bluetooth earphone and impede, comfortablely easily call in every way.
Current; often there are several friends to make an appointment and go together to go window-shopping or go shopping; but the place that everybody strolls is sometimes not identical again; so often can spread out; in the time that needs are looked for good friend again, generally all can determine by intercommunication mode good friend's position, the bluetooth earphone of prior art need to be realized and good friend's intercommunication by mobile phone; operator's communication cost need to be paid and carry out intercommunication by mobile phone, cost will be increased like this.
If China national Patent Office is on July 4th, 2012 disclosed " Bluetooth headset intercom system ", its publication number is CN102547486, this patent need to arrange the first transceiver module, the second transceiver module, Data Control module and power module between two bluetooth earphones, could realize like this two intercommunications between bluetooth earphone, so just need to increase extra cost, and on this Bluetooth headset intercom system patent structure, just increase again the first transceiver module in outside, the second transceiver module, Data Control module and power module, and bluetooth earphone is inner own all the same with common on the market bluetooth earphone, and bluetooth earphone on the market, because do not have intercommunication function, and for power consumption consideration, so it is less that the radio-frequency (RF) power amplification cell power that bluetooth earphone on the market adopts is amplified, generally can only transmit the distance of 10 meters of left and right, so the bluetooth earphone in this patent also can only transmit the distance of 10 meters of left and right, can not meet like this demand of long-distance talkback.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of module, cost bluetooth earphone that utilizes lower and that can meet long-distance talkback demand that need not additionally increase to carry out the method for intercommunication.
The technical solution adopted in the present invention is: a kind of method of utilizing bluetooth earphone to carry out intercommunication, at least two bluetooth earphones, be respectively the first bluetooth earphone and the second bluetooth earphone, and it comprises the following steps:
(1), the first bluetooth earphone enters searched state, now the baseband processing unit in the bluetooth module of the first bluetooth earphone produces matched order, this matched order is modulated to the radiofrequency signal of 2.4GHz by the radio frequency unit in the bluetooth module of the first bluetooth earphone, this radiofrequency signal outputs to the radio-frequency (RF) switch of the first bluetooth earphone, now the radio-frequency (RF) switch of bluetooth module control first bluetooth earphone of the first bluetooth earphone is transformed into emission state, and then by the radio-frequency (RF) power amplification unit in the RF front-end module of the first bluetooth earphone, radiofrequency signal is amplified to the Bluetooth antenna of power rear drive first bluetooth earphone that can transmit 100 meters of distances, the Bluetooth antenna of the first bluetooth earphone is converted to electromagenetic wave radiation to space by the radiofrequency signal after amplifying afterwards,
(2), the second bluetooth earphone enters search condition, now the bluetooth module of the second bluetooth earphone can drive the Bluetooth antenna of the second bluetooth earphone to search for the electromagnetic wave near space, then the Bluetooth antenna of the second bluetooth earphone can receive the electromagnetic wave that the Bluetooth antenna of the first bluetooth earphone in step (1) emits and the electromagnetic wave that this is received is converted to radiofrequency signal, again by the baseband processing unit in the bluetooth module of the second bluetooth earphone and radio frequency unit by radiofrequency signal demodulation out, and then the bluetooth module of the second bluetooth earphone recognizes the first bluetooth earphone at searched state, afterwards, baseband processing unit in the bluetooth module of the second bluetooth earphone sends pairing request, described pairing request is by the radio frequency unit processing in the bluetooth module of the second bluetooth earphone, then the bluetooth module of the second bluetooth earphone is transmitted into space by pairing request after treatment by the Bluetooth antenna of the second bluetooth earphone,
(3), the Bluetooth antenna of the first bluetooth earphone receives the pairing request after treatment that in step (2), the Bluetooth antenna in the second bluetooth earphone emits, then the pairing request receiving is converted into the radiofrequency signal of 2.4GHz by the baseband processing unit in the bluetooth module of the first bluetooth earphone and radio frequency unit, the radiofrequency signal being converted is transferred to the radio-frequency (RF) switch of the first bluetooth earphone again after the low noise amplification unit in the RF front-end module of the first bluetooth earphone amplifies, now the radio-frequency (RF) switch of bluetooth module control first bluetooth earphone of the first bluetooth earphone is transformed into accepting state, radiofrequency signal after amplifying is transferred to the bluetooth module of the first bluetooth earphone again by the radio-frequency (RF) switch of the first bluetooth earphone, finally by obtaining the pairing request that the second bluetooth earphone sends after the baseband processing unit in the bluetooth module of mistake the first bluetooth earphone and radio frequency unit processing, afterwards, the bluetooth module of the first bluetooth earphone is sent and is confirmed pairing signal by Bluetooth antenna again,
(4), the Bluetooth antenna of the second bluetooth earphone receives the confirmation pairing signal that the Bluetooth antenna of the first bluetooth earphone in step (3) launches, the confirmation pairing signal that the Bluetooth antenna of the second bluetooth earphone is come reception is again issued the bluetooth module of the second bluetooth earphone after treatment, now, the first bluetooth earphone completes to match with the second bluetooth earphone and is connected;
(5), after the first bluetooth earphone and the second bluetooth earphone have matched, if the first bluetooth earphone is the side of speaking, the second bluetooth earphone is the side of answering, the first bluetooth earphone obtains radiofrequency signal by the audio signal receiving from the microphone of the first bluetooth earphone through the baseband processing unit in the bluetooth module of the first bluetooth earphone and radio frequency unit processing, after this radiofrequency signal being amplified to the power that can transmit 100 meters of distances by the radio-frequency (RF) power amplification unit in the RF front-end module of the first bluetooth earphone again, drive again the Bluetooth antenna of the first bluetooth earphone to launch, the second bluetooth earphone receives by the Bluetooth antenna of the second bluetooth earphone the radiofrequency signal that the Bluetooth antenna of the first bluetooth earphone is launched, again the radiofrequency signal receiving is obtained to digital signal after the baseband processing unit in the bluetooth module of the second bluetooth earphone and radio frequency unit processing, described digital signal obtains simulated audio signal by the audio treatment unit processing in the bluetooth module of the second bluetooth earphone again, finally drive the sound horn of the second bluetooth earphone, if the first bluetooth earphone is the side of answering, the second bluetooth earphone is the side of speaking, the second bluetooth earphone obtains radiofrequency signal by the audio signal receiving from the microphone of the second bluetooth earphone through the baseband processing unit in the bluetooth module of the second bluetooth earphone and radio frequency unit processing, after this radiofrequency signal being amplified to the power that can transmit 100 meters of distances by the radio-frequency (RF) power amplification unit in the RF front-end module of the second bluetooth earphone again, drive again the Bluetooth antenna of the second bluetooth earphone to launch, the first bluetooth earphone receives by the Bluetooth antenna of the first bluetooth earphone the radiofrequency signal that the Bluetooth antenna of the second bluetooth earphone is launched, again the radiofrequency signal receiving is obtained to digital signal after the baseband processing unit in the bluetooth module of the first bluetooth earphone and radio frequency unit processing, described digital signal obtains simulated audio signal by the audio treatment unit processing in the bluetooth module of the first bluetooth earphone again, finally drive the sound horn of the first bluetooth earphone.
Adopt above defence compared with prior art, the present invention has the following advantages: can under the prerequisite that does not additionally increase module, make to mate connection between two bluetooth earphones by this method, and then realize two communications between bluetooth earphone, and then realize two intercommunications between bluetooth earphone, cost is lower; And because the radio-frequency (RF) power amplification unit in the RF front-end module of bluetooth earphone can be amplified to radiofrequency signal the power that can transmit 100 meters of distances, so just can realize remote intercommunication function, very practical.
Accompanying drawing explanation
Fig. 1 is a kind of flow chart that utilizes bluetooth earphone to share the method for audio frequency of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described further, but the present invention is not limited only to following embodiment.
Bluetooth earphone of the present invention, comprise bluetooth module, RF front-end module, radio-frequency (RF) switch, Bluetooth antenna, loudspeaker and microphone, described RF front-end module, radio-frequency (RF) switch, loudspeaker and microphone are all electrically connected with bluetooth module, described radio-frequency (RF) switch and Bluetooth antenna are all electrically connected with RF front-end module
Described bluetooth module: comprise baseband processing unit, radio frequency unit and audio treatment unit, for realizing Bluetooth transmission protocol, audio frequency processing and man-machine interface control;
Described RF front-end module: comprise radio-frequency (RF) power amplification unit and low noise amplification unit, for realizing the power amplification of Bluetooth transmission part and the low noise amplification of receiving unit of transmission; And the radio-frequency (RF) power amplification unit in described RF front-end module can be by the power amplification of radiofrequency signal to the ability with 100 meters of distances of transmission, the model of RF front-end module of the present invention is RDAT212, but adopts other models that can reach this function to be also fine;
Described radio-frequency (RF) switch: for realizing the Transmit enable of Bluetooth RF;
Described Bluetooth antenna: for realizing spatial emission and the reception of Bluetooth RF signal.
A method of utilizing bluetooth earphone to carry out intercommunication, at least two bluetooth earphones, is respectively the first bluetooth earphone and the second bluetooth earphone, and it comprises the following steps:
(1), the first bluetooth earphone enters searched state, now the baseband processing unit in the bluetooth module of the first bluetooth earphone produces matched order, this matched order is modulated to the radiofrequency signal of 2.4GHz by the radio frequency unit in the bluetooth module of the first bluetooth earphone, this radiofrequency signal outputs to the radio-frequency (RF) switch of the first bluetooth earphone, now the radio-frequency (RF) switch of bluetooth module control first bluetooth earphone of the first bluetooth earphone is transformed into emission state, and then by the radio-frequency (RF) power amplification unit in the RF front-end module of the first bluetooth earphone, radiofrequency signal is amplified to the Bluetooth antenna of power rear drive first bluetooth earphone that can transmit 100 meters of distances, the Bluetooth antenna of the first bluetooth earphone is converted to electromagenetic wave radiation to space by the radiofrequency signal after amplifying afterwards,
(2), the second bluetooth earphone enters search condition, now the bluetooth module of the second bluetooth earphone can drive the Bluetooth antenna of the second bluetooth earphone to search for the electromagnetic wave near space, then the Bluetooth antenna of the second bluetooth earphone can receive the electromagnetic wave that the Bluetooth antenna of the first bluetooth earphone in step (1) emits and the electromagnetic wave that this is received is converted to radiofrequency signal, again by the baseband processing unit in the bluetooth module of the second bluetooth earphone and radio frequency unit by radiofrequency signal demodulation out, and then the bluetooth module of the second bluetooth earphone recognizes the first bluetooth earphone at searched state, afterwards, baseband processing unit in the bluetooth module of the second bluetooth earphone sends pairing request, described pairing request is by the radio frequency unit processing in the bluetooth module of the second bluetooth earphone, then the bluetooth module of the second bluetooth earphone is transmitted into space by pairing request after treatment by the Bluetooth antenna of the second bluetooth earphone,
(3), the Bluetooth antenna of the first bluetooth earphone receives the pairing request after treatment that in step (2), the Bluetooth antenna in the second bluetooth earphone emits, then the pairing request receiving is converted into the radiofrequency signal of 2.4GHz by the baseband processing unit in the bluetooth module of the first bluetooth earphone and radio frequency unit, the radiofrequency signal being converted is transferred to the radio-frequency (RF) switch of the first bluetooth earphone again after the low noise amplification unit in the RF front-end module of the first bluetooth earphone amplifies, now the radio-frequency (RF) switch of bluetooth module control first bluetooth earphone of the first bluetooth earphone is transformed into accepting state, radiofrequency signal after amplifying is transferred to the bluetooth module of the first bluetooth earphone again by the radio-frequency (RF) switch of the first bluetooth earphone, finally by obtaining the pairing request that the second bluetooth earphone sends after the baseband processing unit in the bluetooth module of mistake the first bluetooth earphone and radio frequency unit processing, afterwards, the bluetooth module of the first bluetooth earphone is sent and is confirmed pairing signal by Bluetooth antenna again,
(4), the Bluetooth antenna of the second bluetooth earphone receives the confirmation pairing signal that the Bluetooth antenna of the first bluetooth earphone in step (3) launches, the confirmation pairing signal that the Bluetooth antenna of the second bluetooth earphone is come reception is again issued the bluetooth module of the second bluetooth earphone after treatment, now, the first bluetooth earphone completes to match with the second bluetooth earphone and is connected;
(5), after the first bluetooth earphone and the second bluetooth earphone have matched, if the first bluetooth earphone is the side of speaking, the second bluetooth earphone is the side of answering, the first bluetooth earphone obtains radiofrequency signal by the audio signal receiving from the microphone of the first bluetooth earphone through the baseband processing unit in the bluetooth module of the first bluetooth earphone and radio frequency unit processing, after this radiofrequency signal being amplified to the power that can transmit 100 meters of distances by the radio-frequency (RF) power amplification unit in the RF front-end module of the first bluetooth earphone again, drive again the Bluetooth antenna of the first bluetooth earphone to launch, the second bluetooth earphone receives by the Bluetooth antenna of the second bluetooth earphone the radiofrequency signal that the Bluetooth antenna of the first bluetooth earphone is launched, again the radiofrequency signal receiving is obtained to digital signal after the baseband processing unit in the bluetooth module of the second bluetooth earphone and radio frequency unit processing, described digital signal obtains simulated audio signal by the audio treatment unit processing in the bluetooth module of the second bluetooth earphone again, finally drive the sound horn of the second bluetooth earphone, if the first bluetooth earphone is the side of answering, the second bluetooth earphone is the side of speaking, the second bluetooth earphone obtains radiofrequency signal by the audio signal receiving from the microphone of the second bluetooth earphone through the baseband processing unit in the bluetooth module of the second bluetooth earphone and radio frequency unit processing, after this radiofrequency signal being amplified to the power that can transmit 100 meters of distances by the radio-frequency (RF) power amplification unit in the RF front-end module of the second bluetooth earphone again, drive again the Bluetooth antenna of the second bluetooth earphone to launch, the first bluetooth earphone receives by the Bluetooth antenna of the first bluetooth earphone the radiofrequency signal that the Bluetooth antenna of the second bluetooth earphone is launched, again the radiofrequency signal receiving is obtained to digital signal after the baseband processing unit in the bluetooth module of the first bluetooth earphone and radio frequency unit processing, described digital signal obtains simulated audio signal by the audio treatment unit processing in the bluetooth module of the first bluetooth earphone again, finally drive the sound horn of the first bluetooth earphone.
The bluetooth earphone adopting in the present invention also comprises multiple buttons, respectively: switching on and shutting down button, volume adds key, volume down key, Bluetooth multifunctional key and intercom push key, first method of operation of the present invention is first to grow the volume of pressing the first bluetooth earphone to add key, the first bluetooth earphone enters searched state, this duration is pressed the volume down key of the second bluetooth earphone, the second bluetooth earphone enters search condition, when the second bluetooth earphone searches after the first bluetooth earphone, initiatively initiate to connect, then the second bluetooth earphone is confirmed, make the first bluetooth earphone and the second bluetooth earphone successful matching,
Enter afterwards intercommunication pattern, if the first bluetooth earphone is the side of speaking, when the second bluetooth earphone is the side of answering, voice signal can be input to by the microphone of the first bluetooth earphone the bluetooth module of the first bluetooth earphone, be transferred in the Bluetooth antenna of the second bluetooth earphone by Bluetooth antenna again, the Bluetooth antenna of the second bluetooth earphone sends the signal receiving to the bluetooth module of the second bluetooth earphone, and the bluetooth module of the second bluetooth earphone plays back signal more after treatment by the loudspeaker of the second bluetooth earphone; If the second bluetooth earphone is the side of speaking, when the first bluetooth earphone is the side of answering, voice signal can be input to by the microphone of the second bluetooth earphone the bluetooth module of the second bluetooth earphone, be transferred in the Bluetooth antenna of the first bluetooth earphone by Bluetooth antenna again, the Bluetooth antenna of the first bluetooth earphone sends the signal receiving to the bluetooth module of the first bluetooth earphone, and the bluetooth module of the first bluetooth earphone plays back signal more after treatment by the loudspeaker of the first bluetooth earphone;
And two bluetooth earphones are through above-mentioned first after pairing connects, and two bluetooth earphones all can be remembered the other side's Bluetooth address mutually, while use when again starting shooting, need only shortly in intercom push key, just can enter fast intercommunication pattern, realize real-time long-distance talkback.
Claims (1)
1. a method of utilizing bluetooth earphone to carry out intercommunication, at least two bluetooth earphones, is respectively the first bluetooth earphone and the second bluetooth earphone, it is characterized in that, it comprises the following steps:
(1), the first bluetooth earphone enters searched state, now the baseband processing unit in the bluetooth module of the first bluetooth earphone produces matched order, this matched order is modulated to the radiofrequency signal of 2.4GHz by the radio frequency unit in the bluetooth module of the first bluetooth earphone, this radiofrequency signal outputs to the radio-frequency (RF) switch of the first bluetooth earphone, now the radio-frequency (RF) switch of bluetooth module control first bluetooth earphone of the first bluetooth earphone is transformed into emission state, and then by the radio-frequency (RF) power amplification unit in the RF front-end module of the first bluetooth earphone, radiofrequency signal is amplified to the Bluetooth antenna of power rear drive first bluetooth earphone that can transmit 100 meters of distances, the Bluetooth antenna of the first bluetooth earphone is converted to electromagenetic wave radiation to space by the radiofrequency signal after amplifying afterwards,
(2), the second bluetooth earphone enters search condition, now the bluetooth module of the second bluetooth earphone can drive the Bluetooth antenna of the second bluetooth earphone to search for the electromagnetic wave near space, then the Bluetooth antenna of the second bluetooth earphone can receive the electromagnetic wave that the Bluetooth antenna of the first bluetooth earphone in step (1) emits and the electromagnetic wave that this is received is converted to radiofrequency signal, again by the baseband processing unit in the bluetooth module of the second bluetooth earphone and radio frequency unit by radiofrequency signal demodulation out, and then the bluetooth module of the second bluetooth earphone recognizes the first bluetooth earphone at searched state, afterwards, baseband processing unit in the bluetooth module of the second bluetooth earphone sends pairing request, described pairing request is by the radio frequency unit processing in the bluetooth module of the second bluetooth earphone, then the bluetooth module of the second bluetooth earphone is transmitted into space by pairing request after treatment by the Bluetooth antenna of the second bluetooth earphone,
(3), the Bluetooth antenna of the first bluetooth earphone receives the pairing request after treatment that in step (2), the Bluetooth antenna in the second bluetooth earphone emits, then the pairing request receiving is converted into the radiofrequency signal of 2.4GHz by the baseband processing unit in the bluetooth module of the first bluetooth earphone and radio frequency unit, the radiofrequency signal being converted is transferred to the radio-frequency (RF) switch of the first bluetooth earphone again after the low noise amplification unit in the RF front-end module of the first bluetooth earphone amplifies, now the radio-frequency (RF) switch of bluetooth module control first bluetooth earphone of the first bluetooth earphone is transformed into accepting state, radiofrequency signal after amplifying is transferred to the bluetooth module of the first bluetooth earphone again by the radio-frequency (RF) switch of the first bluetooth earphone, finally by obtaining the pairing request that the second bluetooth earphone sends after the baseband processing unit in the bluetooth module of mistake the first bluetooth earphone and radio frequency unit processing, afterwards, the bluetooth module of the first bluetooth earphone is sent and is confirmed pairing signal by Bluetooth antenna again,
(4), the Bluetooth antenna of the second bluetooth earphone receives the confirmation pairing signal that the Bluetooth antenna of the first bluetooth earphone in step (3) launches, the confirmation pairing signal that the Bluetooth antenna of the second bluetooth earphone is come reception is again issued the bluetooth module of the second bluetooth earphone after treatment, now, the first bluetooth earphone completes to match with the second bluetooth earphone and is connected;
(5), after the first bluetooth earphone and the second bluetooth earphone have matched, if the first bluetooth earphone is the side of speaking, the second bluetooth earphone is the side of answering, the first bluetooth earphone obtains radiofrequency signal by the audio signal receiving from the microphone of the first bluetooth earphone through the baseband processing unit in the bluetooth module of the first bluetooth earphone and radio frequency unit processing, after this radiofrequency signal being amplified to the power that can transmit 100 meters of distances by the radio-frequency (RF) power amplification unit in the RF front-end module of the first bluetooth earphone again, drive again the Bluetooth antenna of the first bluetooth earphone to launch, the second bluetooth earphone receives by the Bluetooth antenna of the second bluetooth earphone the radiofrequency signal that the Bluetooth antenna of the first bluetooth earphone is launched, again the radiofrequency signal receiving is obtained to digital signal after the baseband processing unit in the bluetooth module of the second bluetooth earphone and radio frequency unit processing, described digital signal obtains simulated audio signal by the audio treatment unit processing in the bluetooth module of the second bluetooth earphone again, finally drive the sound horn of the second bluetooth earphone, if the first bluetooth earphone is the side of answering, the second bluetooth earphone is the side of speaking, the second bluetooth earphone obtains radiofrequency signal by the audio signal receiving from the microphone of the second bluetooth earphone through the baseband processing unit in the bluetooth module of the second bluetooth earphone and radio frequency unit processing, after this radiofrequency signal being amplified to the power that can transmit 100 meters of distances by the radio-frequency (RF) power amplification unit in the RF front-end module of the second bluetooth earphone again, drive again the Bluetooth antenna of the second bluetooth earphone to launch, the first bluetooth earphone receives by the Bluetooth antenna of the first bluetooth earphone the radiofrequency signal that the Bluetooth antenna of the second bluetooth earphone is launched, again the radiofrequency signal receiving is obtained to digital signal after the baseband processing unit in the bluetooth module of the first bluetooth earphone and radio frequency unit processing, described digital signal obtains simulated audio signal by the audio treatment unit processing in the bluetooth module of the first bluetooth earphone again, finally drive the sound horn of the first bluetooth earphone.
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Cited By (7)
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| CN104767878A (en) * | 2015-03-12 | 2015-07-08 | 朱亚光 | Voice communication system based on Bluetooth earphones and voice communication method |
| CN104853272A (en) * | 2015-05-13 | 2015-08-19 | 视讯联合科技股份有限公司 | Multifunctional DSP wireless headphone with interconnected interaction |
| CN105978593A (en) * | 2016-05-10 | 2016-09-28 | 深圳市吉声科技有限公司 | Interphone communication device and system |
| CN110475176A (en) * | 2019-08-28 | 2019-11-19 | 北京纽曼腾飞科技有限公司 | Key control method of the bluetooth to ear earphone |
| CN110972051A (en) * | 2019-12-20 | 2020-04-07 | 深圳市博音科技有限公司 | One-to-two type bone conduction hearing aid method |
| CN112788488A (en) * | 2020-12-30 | 2021-05-11 | 重庆百瑞互联电子技术有限公司 | TWS earphone, method and system for realizing networking talkback by using Bluetooth |
| CN113766406A (en) * | 2021-08-03 | 2021-12-07 | 深圳市冠旭电子股份有限公司 | Method, system and device for testing earphone |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104767878A (en) * | 2015-03-12 | 2015-07-08 | 朱亚光 | Voice communication system based on Bluetooth earphones and voice communication method |
| CN104767878B (en) * | 2015-03-12 | 2018-02-02 | 朱亚光 | Voice communication system and voice communication method based on bluetooth earphone |
| CN104853272A (en) * | 2015-05-13 | 2015-08-19 | 视讯联合科技股份有限公司 | Multifunctional DSP wireless headphone with interconnected interaction |
| CN105978593A (en) * | 2016-05-10 | 2016-09-28 | 深圳市吉声科技有限公司 | Interphone communication device and system |
| CN105978593B (en) * | 2016-05-10 | 2019-01-11 | 东莞市吉声科技有限公司 | Intercom device and intercom system |
| CN110475176A (en) * | 2019-08-28 | 2019-11-19 | 北京纽曼腾飞科技有限公司 | Key control method of the bluetooth to ear earphone |
| CN110972051A (en) * | 2019-12-20 | 2020-04-07 | 深圳市博音科技有限公司 | One-to-two type bone conduction hearing aid method |
| CN112788488A (en) * | 2020-12-30 | 2021-05-11 | 重庆百瑞互联电子技术有限公司 | TWS earphone, method and system for realizing networking talkback by using Bluetooth |
| CN113766406A (en) * | 2021-08-03 | 2021-12-07 | 深圳市冠旭电子股份有限公司 | Method, system and device for testing earphone |
| CN113766406B (en) * | 2021-08-03 | 2023-10-20 | 深圳市冠旭电子股份有限公司 | Earphone testing method, system and device |
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Application publication date: 20140528 |