CN101523877A - Remote speaker controller with microphone - Google Patents
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- CN101523877A CN101523877A CNA2007800369353A CN200780036935A CN101523877A CN 101523877 A CN101523877 A CN 101523877A CN A2007800369353 A CNA2007800369353 A CN A2007800369353A CN 200780036935 A CN200780036935 A CN 200780036935A CN 101523877 A CN101523877 A CN 101523877A
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Abstract
A system includes a communication device, an external speaker and a remote control device. The external speaker connects to the communication device and converts audio signals received from the communication device into audible sound. The remote control device includes a microphone and controls operation of the external speaker via control signals transmitted over an air interface. The remote control device further sends audio signals received from the microphone to the external speaker via the air interface. The external speaker further sends the audio signals to the communication device.
Description
Technical field
Implementation described here is usually directed to mobile communication equipment, more particularly, relates to the external loudspeaker that uses in conjunction with mobile communication equipment.
Background technology
In the middle of consumer-elcetronics devices was bought masses, the media player of playback digital music and/or video file is increased popularity recently.The popular thing followed of such player is their widespread commercial availability.MPEG layer 3 (MP3) player is an example of the media player of audio plays digital document (for example mp3 file).Take advantage of other's power in the business success of unit digital media player, mobile phone manufacturer is incorporated into the built-in media player function in their mobile phone.Such mobile phone can be downloaded and store and can need not to use the digital media file (for example MP3 digital audio file) that carries out playback by mobile phone self under the situation of foreign medium player.In order to obtain bigger and high-quality sound from mobile phone with media player capabilities, introduced external speaker system, it can receive audio frequency from mobile phone, and it is amplified.These external speaker system are inserted existing " hands-free " connector socket in the mobile phone, and mobile phone normally is connected to headphone, and described headphone comprises " earplug " and microphone, to be used for the hands-free use by the mobile phone user.
Summary of the invention
According to one side, a kind of equipment can comprise: input equipment, and it is configured to receive the user instruction relevant with the operation of control audio loud speaker; And microphone, it is configured to receive the audio frequency input.Described equipment may further include: one or more transmitters, it is configured to: via air interface described user instruction is sent to described audio tweeter, and via described air interface the audio frequency input that receives is sent to described audio tweeter, to be used to be transferred to mobile communication equipment.
In addition, described equipment can comprise: controller, it is configured to receive user instruction from described input equipment, and initiates described user instruction via the transmission of described air interface to described audio tweeter.
In addition, described controller can be configured to: receive described audio frequency input, and initiate the transmission that described audio frequency is input to described audio tweeter.
In addition, described audio tweeter can comprise transducer (transducer), and it is configured to: with electrical signal conversion is audible sound.
In addition, described one or more transmitters can comprise: infrared transmitter, wherein, described infrared transmitter sends to described audio tweeter with described user instruction.
In addition, described one or more transmitters can comprise: radio frequency sending set, wherein, described radio frequency sending set sends to described audio tweeter with the audio frequency input that receives.
In addition, described mobile communication equipment can comprise: radiotelephone installation.
According on the other hand, a kind of system can comprise: communication equipment; And external loudspeaker, it is connected to described communication equipment, and the audio signal that is configured to receive from described communication equipment is converted to audible sound.Described system may further include: remote controller equipment, it comprises microphone, and be configured to: control the operation of described external loudspeaker via the control signal that sends on the interface aloft, and will send to described external loudspeaker from the audio signal that described microphone receives via described air interface, wherein, described external loudspeaker further sends to described communication equipment with described audio signal.
In addition, described remote controller equipment can comprise: input unit, wherein, described remote controller equipment is imported the operation of the described external loudspeaker of control based on the user who receives via described input unit.
In addition, described remote controller equipment can send to described external loudspeaker with described control signal and audio signal via one of infrared signal or radiofrequency signal on described air interface.
In addition, described communication equipment can comprise: radio telephone.
In addition, described external loudspeaker can be positioned at away from described communication equipment.
In addition, described remote controller equipment can be positioned at away from described communication equipment and described external loudspeaker.
According to another aspect, a kind of audio frequency apparatus can comprise: one or more receivers, it is configured to receive loud speaker control signal and audio signal via air interface from remote equipment.Described audio frequency apparatus may further include: audio output circuit and at least one loud speaker, its electrical signal conversion that is configured to receive from external communication device is an audible sound.Described audio frequency apparatus can also comprise: controller, it is configured to adjust based on the control signal that receives the operation of described audio frequency apparatus, and described audio signal is sent to described external communication device.
In addition, described communication equipment can comprise: radio telephone.
In addition, described one or more receivers can comprise: infrared receiving set, wherein, described infrared receiving set receives described control signal via described air interface.
In addition, described one or more receivers can comprise: radio-frequency transmitter, wherein, described radio-frequency transmitter receives described audio signal via described air interface.
According to more on the one hand, a kind of system can comprise: audio tweeter; And control appliance, it comprises transducer and at least one transmitter, and described transducer is used for incident sound is converted to audio signal, and described at least one transmitter is used for via air interface described audio signal being sent to described audio tweeter.Described audio tweeter can be configured to: the electrical signal conversion that will receive from communication equipment is an audible sound, receives described audio signal via described air interface from described control appliance, and described audio signal is retransmitted to described communication equipment.
In addition, described control appliance may further include: input unit, be used for receiving input from the user, to be used to control the operation of described audio tweeter, wherein, described at least one transmitter further sends to described audio tweeter via described air interface with control signal based on described user's input.
In addition, described audio tweeter can further be configured to: receive audio electrical signal from described communication equipment, and described audio electrical signal is converted to audible sound.
According to going back on the one hand, a kind of equipment can comprise: the device that is used to receive the user instruction relevant with the operation of controlling external audio speaker; And the device that is used for described user instruction being sent to described external audio speaker via air interface.Described equipment may further include: the device that is used to receive the audio frequency input; And be used for the audio frequency input that receives being sent to described audio tweeter to be used to be transferred to the device of mobile communication equipment via described air interface.
Should emphasize that when using term " to comprise ", it specifies the appearance of the feature, integral body, step, assembly or the group that are stated in this specification, but not get rid of the appearance or the increase of one or more further features, integral body, step, assembly or its group.
Description of drawings
The accompanying drawing that merges in the specification and constitute the part of this specification illustrates the one or more embodiment of the present invention, and explains the present invention together with describing.In the accompanying drawings,
Fig. 1 illustrates the example system that wherein can realize each side of the present invention;
Fig. 2 illustrates the example system that comprises cellular network;
Fig. 3 illustrates exemplary mobile radio station;
Fig. 4 illustrates according to the use for the mobile radio station of Fig. 1 of the external loudspeaker of exemplary implementation and speaker remote control;
Fig. 5 illustrates the exemplary configuration of the speaker remote control of Fig. 4;
Fig. 6 illustrates the exemplary configuration of the external loudspeaker of Fig. 4;
Fig. 7 illustrates the exemplary interactive operation of speaker remote control, external loudspeaker and the mobile radio station of Fig. 4.
Embodiment
Following detailed description of the present invention.Same reference numerals in the different accompanying drawings can identify same or analogous element.In addition, below detailed description does not limit the present invention.
The external audio speaker that can be used for having the mobile phone of embedded digital audio player can (perhaps be included in the support of support speaker) in the external audio speaker and supports hands-free calling by microphone is included in.Such external loudspeaker can also comprise remote controller equipment, and it allows the user to control the operation (for example minimizing/increase volume is changed sound quality, speaker balance or the like) of external loudspeaker.Microphone is deployed in the external loudspeaker, and this allows the user to participate in calling out via mobile phone by approaching the external loudspeaker speech.Yet along with the performance and the power output of external audio speaker are improved, the user that possible preference is listened at distance external loudspeaker one segment distance place also may preference carry out call at distance loud speaker one segment distance place.But along with the distance apart from the external loudspeaker with microphone increases, microphone becomes and more is difficult to pick up user's voice.Therefore, in order to allow the user to listen to music at distance external loudspeaker one segment distance place, microphone can be integrated into the remote controller that the operation of external loudspeaker is controlled, this permission even be in apart from mobile phone one segment distance or also carry out hands-free calling during apart from external loudspeaker one segment distance as the user via mobile phone.Microphone is integrated into remote controller makes remote controller phonetic entry and the loud speaker control input that receives from the user can be offered external loudspeaker.Loud speaker control input can control loudspeaker operation, and phonetic entry can be provided for mobile phone via external loudspeaker, to be used for the voice communication with the opposing party.
Example system
Fig. 1 illustrates the example system 100 that wherein can realize each side of the present invention.System 100 can comprise mobile radio station 105, and described mobile radio station 105 uses Radio Link, wire link or light to connect link and is connected with another mobile radio station 110 via network 130, and might be connected with server 120.Network 130 can comprise the subnet of one or more any kinds, comprises the combination of Local Area Network, wide area network (WAN), satellite network, metropolitan area network (MAN), telephone network (for example PSTN (PSTN) or public-land mobile network (PLMN)), Intranet, internet or a plurality of networks.PLMN may further include: packet switching subnet (for example such as general packet radio service (GPRS), Cellular Digital Packet Data (CDPD) or mobile IP subnet).
Each can comprise phone, cellular radio, PCS Personal Communications System (PCS) terminal or the like mobile radio station 105 and mobile radio station 110.The PCS terminal can make up cellular radio telephone and data processing, fax and its communication ability.Mobile radio station 105 and mobile radio station 110 can all further comprise PDA(Personal Digital Assistant), conventional laptop and/or hand held receiver or comprise another electrical equipment of transmission transceiver or the like.PDA can comprise radio telephone, beep-pager, the Internet/intranet access, web browser, electronic secretary, schedule and/or global positioning system (GPS) receiver. Mobile radio station 105 and 110 can all also be called " generally calculating " equipment.
Fig. 2 illustrates an example of the system 100 that uses the cellular network realization.As shown in Figure 2, system 100 can comprise mobile radio station 105, mobile radio station 110 and cellular network 130.Cellular network 130 can comprise one or more base station controllers (BSC) 205a-205b, a plurality of base station (BS) 210a-210f, a plurality of base-station antenna array 215a-215f, one or more mobile switching centre (MSC) (for example MSC 220) and one or more gateway (GW) (for example GW 225).
Exemplary mobile radio station
Fig. 3 illustrates the exemplary mobile radio station 105 consistent with one aspect of the present invention.Can dispose mobile radio station 110 similarly.Mobile radio station 105 can comprise transceiver 305, antenna 310, optional equalizer 315, optional encoder/decoder 320, processing unit 325, memory 330, output equipment 335, input equipment 340 and bus 345.
Encoder/decoder 320 can comprise and be used for the symbol sebolic addressing that receives or send is decoded and/or the circuit of coding.Processing unit 325 can be carried out all data processing functions, to be used for input, output and deal with data, comprises data buffering and terminal control function (for example call treatment control, user interface control or the like).Memory 330 is provided at when carrying out processing capacity by the data of processing unit 325 uses and lasting, the semi-durable or odd-job memory space of instruction.Memory 330 can comprise mass-memory unit (for example magnetic recording media and/or optical recording media and respective drivers thereof).
Example loudspeaker remote controller with microphone
Fig. 4 illustrates according to the use for mobile radio station 105/110 of the external loudspeaker of exemplary embodiment and speaker remote control.As shown in the figure, mobile radio station 105 can comprise audio player 405, and described audio player 405 can offer external loudspeaker 415 with audio player signals 410 via the hands-free connection that provides on the mobile radio station (for example allowing Earphone with microphone or external loudspeaker to be connected to the I/O socket of mobile radio station 105).Audio player 405 can playing digital medium (for example such as the MP3 audio file), and audio player signals 410 can be offered external loudspeaker 415, to be used to be converted to audible sound.When the calling carried out via network 130 (not shown) with mobile radio station 110, mobile radio station 105 can offer external loudspeaker 415 with the calling voice signal 420 that receives from mobile radio station 110 in addition.In some implementation, when when mobile radio station 110 receives calling voice signal 420, any audio file that mobile radio station 105 is play on can preemption (preempt) audio player 405, and only calling voice signal 420 (is for example offered external loudspeaker 415, audio file is made as " suspending (onhold) ", up to the calling of finishing between mobile radio station 105 and the mobile radio station 110).External loudspeaker 415 can comprise receiver 425, is used to receive loud speaker control signal 435 and transmission and removes electricity voice signal 445 (following description).
Shown in Fig. 4 was further, speaker remote control 430 can be via the operation of loud speaker control signal 435 control external loudspeakers 415.Can be at speaker remote control 430 places generate loud speaker control signal 435 by the user instruction (for example volume increase/minimizing, high pitch increase/minimizing, bass increase/minimizing or the like) of importing (not shown) via the user and receiving.Speaker remote control 430 may further include microphone 440, and described microphone 440 can comprise transducer, is used for incident sound is converted to the signal of telecommunication.Microphone 440 can use speaker remote control 430 will be converted to electricity voice signal 445 from user's phonetic entry.Speaker remote control 430 will go electricity voice signal 445 to send to the receiver 425 of external loudspeaker 415 on the interface aloft.External loudspeaker 415 can will go electricity voice signal 445 to offer mobile radio station 105, to be used for via network 130 (not shown) subsequent transmission to mobile radio station 110.
Fig. 5 illustrates the configuration according to the speaker remote control 430 of exemplary implementation.Speaker remote control 430 can comprise microphone 440, loud speaker control input unit 500, controller 510 and transmitter 520.Microphone 440 can comprise transducer, and described transducer is converted to incident sound (for example voice) signal of telecommunication that can be sent as removing electricity voice signal 445 by transmitter 520.In one implementation, transmitter 520 can comprise radio frequency sending set, and described radio frequency sending set will go electricity voice signal 445 to send to external loudspeaker 415 as radiofrequency signal on the interface aloft.Loud speaker control input 500 can comprise the user interface of any kind, and it allows user to be provided for controlling the input of the operation of external loudspeaker 415.Controller 510 can comprise the treatment facility (for example microprocessor) or the processing logic of any kind of the operation that can be configured to control loudspeaker remote controller 430.Controller 510 can receive user's input from loud speaker control input 500, and command transmitter 520 sends corresponding loud speaker control signal 435.In one implementation, transmitter 520 can comprise infrared transmitter, and described infrared transmitter sends to external loudspeaker 415 with loud speaker control signal 435 as infrared signal on the interface aloft.Controller 510 can be further from microphone 440 received audio signals, and command transmitter 520 with audio signal as going electricity voice signal 445 to send to external loudspeaker 415.
Exemplary external speaker
Fig. 6 illustrates the configuration according to the external loudspeaker 415 of exemplary implementation.External loudspeaker 415 can comprise receiver 425, controller 600 and audio output circuit and loud speaker 610.Receiver 425 goes electricity voice signal 445 and loud speaker control signal 435 from speaker remote control 430 receptions on the interface aloft.In one implementation, receiver 420 can comprise radio-frequency transmitter, is used for aloft receiving on the interface going electricity voice signal 445 as radiofrequency signal.In another implementation, receiver 425 can comprise infrared receiving set, is used for receiving loud speaker control signal 435 as infrared signal on the interface aloft.Controller 600 can be based on the operation (for example, increase/minimizing volume, increase/minimizing high pitch, increase/minimizing bass or the like) of the loud speaker control signal 435 control external loudspeakers 415 that receive.Controller 600 can also be via hands-free connection the between external loudspeaker 415 and the mobile radio station 105 and the electricity voice signal 445 that goes that will receive sends to mobile radio station 105.Yin Pinshuchudianlu ﹠amp; Loud speaker 610 can will be converted to audible sound from the audio player signals 410 that mobile radio station 105 receives via hands-free connection based on the loud speaker control signal 435 that receives.
The example system interactive operation
Fig. 7 illustrates the interactive operation of speaker remote control 430, external loudspeaker 415 and mobile radio station 105 according to exemplary implementation.As shown in Figure 7, mobile radio station 105 can comprise cellular radio, and described cellular radio is operating as audio player, and being used to produce can be via hands-free connection the between radio telephone 105 and the external loudspeaker 415 and the audio player signals 410 that sends.External loudspeaker 415 can be converted to audio player signals 410 audible sound 700 that the user can listen to.The user can control the operation of external loudspeakers 415 via loud speaker control signal 435 by using speaker remote control 430.In the audio frequency of playing on listening to cellular radio 105, radio telephone 105 can be via network 130 (not shown) receipt of call.Radio telephone 105 can receive calling voice signal 420 from the opposing party who calls out, and can be forwarded to external loudspeaker 415 via the calling voice signal 420 that hands-free connection will be used to call out.External loudspeaker 415 can be converted to calling voice signal 420 audible sound 700 that the user can listen to.The user can listen to the audible sound 700 related with calling voice signal 420, and the microphone (not shown) of speaker remote control 430 is spoken, will go electricity voice signal 445 to offer external loudspeaker 415 via infrared signal or radiofrequency signal on the interface aloft.External loudspeaker 445 can will go electricity voice signal 445 to send to radio telephone 105 via hands-free connection, to be used for via network 130 (not shown) subsequent transmission to the opposing party at mobile radio station 110 places.
Conclusion
The description of the front of implementation furnishes an explanation and describes, but is not that to be intended to be thoroughly exhaustively, perhaps limits the invention to disclosed precise forms.Modifications and variations are possible according to above instruction, perhaps can be obtained from the practice of the present invention.Though implementation has been described as microphone is positioned in the external loudspeaker remote controller, in other implementation, can have used portable blue-tooth hand free device (for example headphone) to substitute microphone described herein alternatively.In such implementation, bluetooth headset can be used to electricity voice, and might be used for speaker remote control, and external loudspeaker can be used for calling voice.At this microphone of disposing in about speaker remote control equipment and described implementation.Yet, in other implementation, microphone can be deployed in the equipment of other type (for example such as karaoke equipment, voice control appliance or the like).
It will be understood by those skilled in the art that the multiple access scheme (for example TDMA, CDMA or FDMA) by utilizing any kind, implementation described here can be applied to any wired system or wireless system.Should be further understood that, can in the hybrid system of the combination of above-mentioned multiple access scheme, utilize implementation described here as two or more.In addition, according to implementation described here, can be: use any standard based on GSM, TDMA, CDMA, FDMA, mixing or any other standard of these standards to come to communicate with for example base station transceiver with design of communication equipments.
Can also realize various aspects of the present invention by method and/or computer program.Correspondingly, can implement the present invention by hardware and/or software (comprising firmware, resident software, microcode or the like).Further, the present invention can take computer to use or computer-readable recording medium on the form of computer program, its computer that has in medium and implemented can use or computer readable program code, to be used by instruction execution system or combined command executive system and using.Be used to realize actual software code or special-purpose control hardware and unrestricted the present invention of the various aspects consistent with principle of the present invention.Therefore, be not operation and the behavior of describing various aspects with reference to concrete software code---should be understood that those skilled in the art can based on this description and design software and control hardware is realized various aspects.
In addition, specific part of the present invention can be embodied as " logic " of carrying out one or more functions.This logic can comprise the combination of hardware (for example application-specific integrated circuit (ASIC) or field programmable gate array), software or hardware and software.
To should not be construed as for the present invention be strict or necessary for employed element, action or instruction in this application, and removing is far from it describes clearly.In addition, be intended to comprise one or more things at this employed article " (a) ".Under the situation of only expecting a things, use term " (one) " or similar language.Further, this employed phrase " based on " be intended to expression " at least in part based on ", unless statement clearly in addition.
Claims (21)
1. equipment comprises:
Input equipment, it is configured to receive the user instruction relevant with the operation of control audio loud speaker;
Microphone, it is configured to receive the audio frequency input; With
One or more transmitters, it is configured to:
Via air interface described user instruction is sent to described audio tweeter, and
Via described air interface received audio frequency input is sent to described audio tweeter, to be transferred to mobile communication equipment.
2. according to the equipment of claim 1, further comprise:
Controller, it is configured to: receive described user instruction from described input equipment, and initiate described user instruction via the transmission of described air interface to described audio tweeter.
3. according to the equipment of claim 2, wherein, described controller further is configured to: receive described audio frequency input, and initiate the transmission that described audio frequency is input to described audio tweeter.
4. according to the equipment of claim 1, wherein, described audio tweeter comprises transducer, and it is configured to electrical signal conversion is audible sound.
5. according to the equipment of claim 1, wherein, described one or more transmitters comprise infrared transmitter, and wherein, described infrared transmitter sends to described audio tweeter with described user instruction.
6. according to the equipment of claim 1, wherein, described one or more transmitters comprise radio frequency sending set, and wherein, described radio frequency sending set sends to described audio tweeter with received audio frequency input.
7. according to the equipment of claim 1, wherein, described mobile communication equipment comprises radiotelephone installation.
8. system comprises:
Communication equipment;
External loudspeaker, it is connected to described communication equipment, and the audio signal that is configured to receive from described communication equipment is converted to audible sound; And
Remote controller equipment, it comprises microphone, and is configured to:
Control the operation of described external loudspeaker via the control signal that sends on the interface aloft,
To send to described external loudspeaker from the audio signal that described microphone receives via described air interface,
Wherein, described external loudspeaker further sends to described communication equipment with described audio signal.
9. system according to Claim 8, wherein, described remote controller equipment comprises input unit, and wherein, described remote controller equipment is imported the operation of the described external loudspeaker of control based on the user who receives via described input unit.
10. system according to Claim 8, wherein, described remote controller equipment sends to described external loudspeaker with described control signal and audio signal via one of infrared signal or radiofrequency signal on described air interface.
11. system according to Claim 8, wherein, described communication equipment comprises radio telephone.
12. system according to Claim 8, wherein, described external loudspeaker is positioned at away from described communication equipment.
13. according to the system of claim 12, wherein, described remote controller equipment is positioned at away from described communication equipment and described external loudspeaker.
14. an audio frequency apparatus comprises:
One or more receivers, it is configured to receive loud speaker control signal and audio signal via air interface from remote equipment;
Audio output circuit and at least one loud speaker, its electrical signal conversion that is configured to receive from external communication device is an audible sound; And
Controller, it is configured to:
Adjust the operation of described audio frequency apparatus based on received control signal, and
Described audio signal is sent to described external communication device.
15. according to the audio frequency apparatus of claim 14, wherein, described communication equipment comprises radio telephone.
16. according to the audio frequency apparatus of claim 14, wherein, described one or more receivers comprise infrared receiving set, and wherein, described infrared receiving set receives described control signal via described air interface.
17. according to the audio frequency apparatus of claim 14, wherein, described one or more receivers comprise radio-frequency transmitter, and wherein, described radio-frequency transmitter receives described audio signal via described air interface.
18. a system comprises:
Audio tweeter; And
Control appliance, it comprises:
Transducer is used for incident sound is converted to audio signal, and
At least one transmitter is used for via air interface described audio signal being sent to described audio tweeter,
Wherein, described audio tweeter is configured to:
The electrical signal conversion that will receive from communication equipment is an audible sound,
Receive described audio signal via described air interface from described control appliance, and
Described audio signal is retransmitted to described communication equipment.
19. according to the system of claim 18, wherein, described control appliance further comprises:
Input unit is used for receiving input from the user, controlling the operation of described audio tweeter,
Wherein, described at least one transmitter further sends to described audio tweeter via described air interface with control signal based on described user's input.
20. according to the system of claim 18, wherein, described audio tweeter further is configured to:
Receive audio electrical signal from described communication equipment, and
Described audio electrical signal is converted to audible sound.
21. an equipment comprises:
Be used to receive the device of the user instruction relevant with the operation of controlling external audio speaker;
Be used for described user instruction being sent to the device of described external audio speaker via air interface;
Be used to receive the device of audio frequency input; And
Be used for via described air interface with the input of received audio frequency send to described audio tweeter, to be transferred to the device of mobile communication equipment.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US82129006P | 2006-08-03 | 2006-08-03 | |
| US60/821,290 | 2006-08-03 | ||
| US11/469,832 | 2006-09-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101523877A true CN101523877A (en) | 2009-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007800369353A Pending CN101523877A (en) | 2006-08-03 | 2007-02-02 | Remote speaker controller with microphone |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110134363A (en) * | 2013-03-14 | 2019-08-16 | 美国思睿逻辑有限公司 | Use loudspeaker as the device and method of microphone in a mobile device |
-
2007
- 2007-02-02 CN CNA2007800369353A patent/CN101523877A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110134363A (en) * | 2013-03-14 | 2019-08-16 | 美国思睿逻辑有限公司 | Use loudspeaker as the device and method of microphone in a mobile device |
| CN110134363B (en) * | 2013-03-14 | 2022-07-29 | 美国思睿逻辑有限公司 | Apparatus and method for using speaker as microphone in mobile device |
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