CN106598175A - Mobile terminal - Google Patents

Mobile terminal Download PDF

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Publication number
CN106598175A
CN106598175A CN201710028505.2A CN201710028505A CN106598175A CN 106598175 A CN106598175 A CN 106598175A CN 201710028505 A CN201710028505 A CN 201710028505A CN 106598175 A CN106598175 A CN 106598175A
Authority
CN
China
Prior art keywords
mobile terminal
protecgulum
bone conduction
audio
output device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710028505.2A
Other languages
Chinese (zh)
Inventor
庞成林
宋学敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Xiaomi Mobile Software Co Ltd
Original Assignee
Beijing Xiaomi Mobile Software Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Priority to CN201710028505.2A priority Critical patent/CN106598175A/en
Publication of CN106598175A publication Critical patent/CN106598175A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/18Packaging or power distribution
    • G06F1/183Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/18Packaging or power distribution
    • G06F1/181Enclosures

Abstract

The invention discloses a mobile terminal used for improving an audio output device of the mobile terminal to realize sound transmission through bone vibration. The mobile terminal comprises a front cover and a bone conduction audio output device, wherein the front cover is used for protecting a region except for a display screen in the front of the mobile terminal; a hole is arranged in the front cover; the bone conduction audio output device is used for outputting an audio signal through a bone conduction way; and the bone conduction audio output device is arranged in the hole of the front cover.

Description

Mobile terminal
Technical field
It relates to communication and computer disposal field, more particularly to mobile terminal.
Background technology
With the development of electronic technology, mobile terminal is commonly used, and it is very fast to update.Mobile terminal one As have receiver or loudspeaker.Receiver is used for communication process, and loudspeaker is used for hand-free call or plays music etc..But it is right Have for the people of obstacle in hearing, receiver and loudspeaker can not all meet demand.This is a problem demanding prompt solution.
The content of the invention
To overcome problem present in correlation technique, the disclosure to provide a kind of mobile terminal.
According to the first aspect of the embodiment of the present disclosure, there is provided a kind of mobile terminal, including:
Protecgulum, for the region in the front for protecting mobile terminal in addition to display screen;There is perforate on protecgulum;
Bone conduction audio-frequency output device, for by osteoacusis mode exports audio signal;Bone conduction audio-frequency output device Positioned at the tapping of the protecgulum.
The technical scheme that embodiment of the disclosure is provided can include following beneficial effect:The present embodiment adopts osteoacusis sound Frequency output device, using bone conduction technology the transmission of audio signal is realized, little by Environmental Noise Influence, contributing to hearing has obstacle User use mobile terminal.
In one embodiment, the mobile terminal also includes:
Receiver contact component, with fluted;The groove is located at the tapping of the protecgulum, the bottom direction of the groove The outside of the protecgulum;
The bone conduction audio-frequency output device is located in the groove, and is brought into close contact with the bottom of the groove.
The technical scheme that embodiment of the disclosure is provided can include following beneficial effect:The present embodiment is contacted by receiver Part can be effectively protected bone conduction audio-frequency output device, and can open dust-proof effect.
In one embodiment, outer surface of the bottom portion of groove of the receiver contact component higher than the protecgulum.
The technical scheme that embodiment of the disclosure is provided can include following beneficial effect:The groove-bottom of receiver contact component Portion higher than the protecgulum outer surface, can preferably with the ear contacts of user, be favorably improved the effect of audio signal transmission Really.
In one embodiment, the bottom portion of groove higher than the protecgulum outer surface altitude range for [0.2mm, 0.5mm]。
The technical scheme that embodiment of the disclosure is provided can include following beneficial effect:The present embodiment provides one and relatively closes Suitable altitude range, both can make bone conduction audio-frequency output device preferably with the ear contacts of user, be favorably improved audio frequency The effect of signal transmission, and do not affect the specious of mobile terminal.
In one embodiment, the receiver contact component is flexible glue or silica gel material.
The technical scheme that embodiment of the disclosure is provided can include following beneficial effect:Receiver contact component is adopted Material can make user's impression more comfortable, reduce discomfort when user's ear is contacted with receiver contact component, can ensure that again The transmission of audio signal.
In one embodiment, the mobile terminal also includes:
Audio frequency bonnet, is fixedly connected with the receiver contact component, for the bone conduction audio-frequency output device to be fixed In the groove.
The technical scheme that embodiment of the disclosure is provided can include following beneficial effect:Audio frequency bonnet can preferably be consolidated Determine bone conduction audio-frequency output device, be easy to integral installation.
In one embodiment, the audio frequency bonnet is fixedly connected by screw with the receiver contact component.
The technical scheme that embodiment of the disclosure is provided can include following beneficial effect:The present embodiment provides a kind of simple Easy fixed form.
In one embodiment, the width range of the perforate is [12mm, 16mm], and altitude range is [5mm, 8mm].
The technical scheme that embodiment of the disclosure is provided can include following beneficial effect:The present embodiment provides one properly Perforate size, both can preferably facilitate bone conduction audio-frequency output device to contact with user's ear, and do not affect mobile terminal It is specious.
In one embodiment, the perforate is near the top of the protecgulum.
The technical scheme that embodiment of the disclosure is provided can include following beneficial effect:Perforate position at the top of protecgulum Put, more meet custom when user generally uses mobile terminal.
In one embodiment, the mobile terminal includes multiple bone conduction audio-frequency output devices;
The protecgulum includes the multiple and one-to-one perforate of bone conduction audio-frequency output device.
The technical scheme that embodiment of the disclosure is provided can include following beneficial effect:The present embodiment supports that multiple bones are passed Lead receiver.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not The disclosure can be limited.
Description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the enforcement for meeting the disclosure Example, and be used to explain the principle of the disclosure together with specification.
Fig. 1 is a kind of schematic diagram of the structure of the mobile terminal according to an exemplary embodiment.
Fig. 2 is a kind of schematic diagram of the structure of the mobile terminal according to an exemplary embodiment.
Fig. 3 is a kind of schematic diagram of the structure of the mobile terminal according to an exemplary embodiment.
Fig. 4 is a kind of schematic diagram of the structure of the mobile terminal according to an exemplary embodiment.
Fig. 5 is a kind of schematic diagram of the structure of the mobile terminal according to an exemplary embodiment.
Fig. 6 is a kind of schematic diagram of the structure of the mobile terminal according to an exemplary embodiment.
Fig. 7 is a kind of schematic diagram of the structure of the mobile terminal according to an exemplary embodiment.
Fig. 8 is a kind of block diagram of the device according to an exemplary embodiment.
Specific embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Explained below is related to During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment Described in embodiment do not represent all embodiments consistent with the disclosure.Conversely, they be only with it is such as appended The example of the consistent apparatus and method of some aspects described in detail in claims, the disclosure.
In correlation technique, mobile terminal generally comprises the audio output devices such as receiver or loudspeaker.These audio output dresses Put the vibration generally by itself to drive the vibration of air, sound is propagated by air vibration.But for some hearing There is the user of obstacle, the mode effect that air vibration propagates sound is bad.There is obstacle when causing these users using mobile terminal.
To solve the above problems, the audio output device in the present embodiment in mobile terminal is using bone conduction audio-frequency output dress Put, using bone conduction technology audio transmission is realized.To have the user of obstacle suitable for hearing, and reduce the shadow of ambient noise Ring.
Fig. 1 is a kind of schematic device of the control mobile terminal according to an exemplary embodiment.With reference to Fig. 1, should Device includes:Protecgulum 101 and bone conduction audio-frequency output device 103.
Protecgulum 101, for the region in the front for protecting mobile terminal in addition to display screen;There is perforate 102 on protecgulum;
Bone conduction audio-frequency output device 103, for by osteoacusis mode exports audio signal;Bone conduction audio-frequency output dress At the perforate 102 of the protecgulum 101.
The present embodiment bone conduction audio-frequency output device 103 includes osteoacusis a period of time, when in use bone conduction audio-frequency output dress 103 are put with user's ear or head contact.The telecommunications that bone conduction audio-frequency output device 103 sends according to processor in mobile terminal Number vibrated, vibrated with the skull for driving user, realized the transmission of audio signal.Can facilitate hearing using bone conduction technology The user for having obstacle uses mobile terminal.Also, bone conduction audio-frequency output device 103 and user's directly contact, reduce environment and make an uproar Impact of the sound to audio signal.
As shown in Fig. 2 bone conduction audio-frequency output device 103 is located in perforate 102, perforate 102 is transmitted through, can be with user's Ear or head contact.The large area hollow region of protecgulum 101, for installing the display screen 201 with fixed cellular terminal.
In one embodiment, as shown in figure 3, the mobile terminal also includes:Receiver contact component 301.
Receiver contact component 301, with fluted;The groove is located at the perforate 102 of the protecgulum 101, the groove Bottom towards the protecgulum 101 outside;
The bone conduction audio-frequency output device 103 is located in the groove, and is brought into close contact with the bottom of the groove.
The groove of receiver contact component 301 can preferably wrap bone conduction audio-frequency output device 103, open protection bone The effect of conduction audio output device 103, anti-collision hits dust protection.
The groove of receiver contact component 301 is located in perforate 102, is transmitted through perforate 102, can be with the ear of user or head Contact.The interesting to listen to cylinder contact component 301 of shuttle belt of bone conduction audio-frequency output device 103 vibrates, the vibration of receiver contact component 301 User is passed to, the transmission of audio signal is realized.
In one embodiment, as shown in figure 4, the bottom portion of groove of the receiver contact component 301 is higher than the protecgulum 101 Outer surface.
The bottom portion of groove of receiver contact component 301 higher than the protecgulum 101 outer surface, can preferably with the ear of user Piece or head contact, be favorably improved the effect of audio signal transmission.
In one embodiment, the bottom portion of groove higher than the protecgulum outer surface altitude range for [0.2mm, 0.5mm]。
The present embodiment provide an appropriate altitude range, both can make bone conduction audio-frequency output device preferably with use The ear contacts at family, are favorably improved the effect of audio signal transmission, and do not affect the specious of mobile terminal.
In one embodiment, the receiver contact component 301 is flexible glue or silica gel material.
The material that receiver contact component 301 is adopted can make user's impression more comfortable, reduce user's ear and receiver Discomfort when contact component is contacted, can ensure that the transmission of audio signal again.
In one embodiment, as shown in figure 5, the mobile terminal also includes:Audio frequency bonnet 501.
Audio frequency bonnet 501, is fixedly connected with the receiver contact component 301, for bone conduction audio-frequency output to be filled Put 103 to be fixed in the groove.
Audio frequency bonnet 501 can preferably fix bone conduction audio-frequency output device 103, be easy to integral installation.Audio frequency bonnet 501st, receiver contact component 301 and bone conduction audio-frequency output device 103 constitute an integral module, facilitate module to install.Audio frequency Bonnet 501 can be brought into close contact with bone conduction audio-frequency output device 103.
In one embodiment, the audio frequency bonnet 501 is fixed with the receiver contact component 301 by screw 601 and connected Connect.
As shown in Figure 6 and Figure 7, audio frequency bonnet 501 combines that to may make up one almost closed recessed with receiver contact component 301 Groove, bone conduction audio-frequency output device 103 is located in the groove.Groove both sides respectively have a screw by audio frequency bonnet 501 with listen Cylinder contact component 301 is fixed.
Fixed form is not limited to screw, can also be using modes such as stickup, welding.Screw mode is convenient to be dismantled, and is contributed to The replacing of bone conduction audio-frequency output device 103.
In one embodiment, the width range of the perforate 102 be [12mm, 16mm], altitude range for [5mm, 8mm]。
One example of the size of perforate 102 is 14mm × 6.6mm.The entirety of synthetic user auditory perception and mobile terminal is outer Effect is seen, more suitable perforate size is present embodiments provided.
In one embodiment, the perforate 102 is near the top of the protecgulum 101.
Position of opening at the top of the protecgulum, more meets custom when user generally uses mobile terminal.
In one embodiment, the mobile terminal includes multiple bone conduction audio-frequency output devices;
The protecgulum includes the multiple and one-to-one perforate of bone conduction audio-frequency output device.
Multiple bone conduction audio-frequency output devices can be close to the top of protecgulum 101, form earphone.Or, one Divide bone conduction audio-frequency output device near the top of protecgulum 101, a part of bone conduction audio-frequency output device is near the bottom of protecgulum 101 Portion.
Above-described embodiment can according to actual needs carry out various combinations.
With regard to the device in above-described embodiment, wherein modules perform the concrete mode of operation in relevant the method Embodiment in be described in detail, explanation will be not set forth in detail herein.
Fig. 8 is a kind of block diagram for controlling the device 800 of mobile terminal according to an exemplary embodiment.Example Such as, device 800 can be mobile phone, and computer, digital broadcast terminal, messaging devices, game console, flat board sets It is standby, Medical Devices, body-building equipment, personal digital assistant etc..
With reference to Fig. 8, device 800 can include following one or more assemblies:Process assembly 802, memory 804, power supply Component 806, multimedia groupware 808, audio-frequency assembly 810, the interface 812 of input/output (I/O), sensor cluster 814, and Communication component 816.
The integrated operation of the usual control device 800 of process assembly 802, such as with display, call, data communication, phase Machine operates and records the associated operation of operation.Process assembly 802 can refer to including one or more processors 820 to perform Order, to complete all or part of step of above-mentioned method.Additionally, process assembly 802 can include one or more modules, just Interaction between process assembly 802 and other assemblies.For example, process assembly 802 can include multi-media module, many to facilitate Interaction between media component 808 and process assembly 802.
Memory 804 is configured to store various types of data to support the operation in device 800.These data are shown Example includes the instruction of any application program for operating on device 800 or method, and contact data, telephone book data disappears Breath, picture, video etc..Memory 804 can be by any kind of volatibility or non-volatile memory device or their group Close and realize, such as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM) is erasable to compile Journey read-only storage (EPROM), programmable read only memory (PROM), read-only storage (ROM), magnetic memory, flash Device, disk or CD.
Power supply module 806 provides power supply for the various assemblies of device 800.Power supply module 806 can include power management system System, one or more power supplys, and other generate, manage and distribute the component that power supply is associated with for device 800.
Multimedia groupware 808 is included in the screen of one output interface of offer between described device 800 and user.One In a little embodiments, screen can include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen Curtain may be implemented as touch-screen, to receive the input signal from user.Touch panel includes one or more touch sensings Device is with the gesture on sensing touch, slip and touch panel.The touch sensor can not only sensing touch or sliding action Border, but also detect and the touch or slide related duration and pressure.In certain embodiments, many matchmakers Body component 808 includes a front-facing camera and/or post-positioned pick-up head.When device 800 be in operator scheme, such as screening-mode or During video mode, front-facing camera and/or post-positioned pick-up head can receive outside multi-medium data.Each front-facing camera and Post-positioned pick-up head can be a fixed optical lens system or with focusing and optical zoom capabilities.
Audio-frequency assembly 810 is configured to output and/or input audio signal.For example, audio-frequency assembly 810 includes a Mike Wind (MIC), when device 800 is in operator scheme, such as call model, logging mode and speech recognition mode, microphone is matched somebody with somebody It is set to reception external audio signal.The audio signal for being received can be further stored in memory 804 or via communication set Part 816 sends.In certain embodiments, audio-frequency assembly 810 also includes a loudspeaker, for exports audio signal.
, to provide interface between process assembly 802 and peripheral interface module, above-mentioned peripheral interface module can for I/O interfaces 812 To be keyboard, click wheel, button etc..These buttons may include but be not limited to:Home button, volume button, start button and lock Determine button.
Sensor cluster 814 includes one or more sensors, and the state for providing various aspects for device 800 is commented Estimate.For example, sensor cluster 814 can detect the opening/closed mode of device 800, and the relative positioning of component is for example described Component is the display and keypad of device 800, and sensor cluster 814 can be with detection means 800 or a group of device 800 The position of part changes, and user is presence or absence of with what device 800 was contacted, the orientation of device 800 or acceleration/deceleration and device 800 Temperature change.Sensor cluster 814 can include proximity transducer, be configured to be examined when without any physical contact Survey the presence of object nearby.Sensor cluster 814 can also include optical sensor, such as CMOS or ccd image sensor, for Used in imaging applications.In certain embodiments, the sensor cluster 814 can also include acceleration transducer, and gyroscope is passed Sensor, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 816 is configured to facilitate the communication of wired or wireless way between device 800 and other equipment.Device 800 can access based on the wireless network of communication standard, such as WiFi, 2G or 3G, or combinations thereof.In an exemplary enforcement In example, communication component 816 receives the broadcast singal or broadcast related information from external broadcasting management system via broadcast channel. In one exemplary embodiment, the communication component 816 also includes near-field communication (NFC) module, to promote junction service.Example Such as, NFC module can be based on RF identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra broadband (UWB) technology, Bluetooth (BT) technology and other technologies are realizing.
In the exemplary embodiment, device 800 can be by one or more application specific integrated circuits (ASIC), numeral letter Number processor (DSP), digital signal processing appts (DSPD), PLD (PLD), field programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronic components realizations, for performing said method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instruction, example are additionally provided Such as include the memory 804 of instruction, above-mentioned instruction can be performed to complete said method by the processor 820 of device 800.For example, The non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk With optical data storage devices etc..
Those skilled in the art will readily occur to its of the disclosure after considering specification and putting into practice invention disclosed herein Its embodiment.The application is intended to any modification, purposes or the adaptations of the disclosure, these modifications, purposes or Person's adaptations follow the general principle of the disclosure and including the undocumented common knowledge in the art of the disclosure Or conventional techniques.Description and embodiments are considered only as exemplary, and the true scope of the disclosure and spirit are by following Claim is pointed out.
It should be appreciated that the disclosure is not limited to the precision architecture for being described above and being shown in the drawings, and And can without departing from the scope carry out various modifications and changes.The scope of the present disclosure is only limited by appended claim.

Claims (10)

1. a kind of mobile terminal, it is characterised in that include:
Protecgulum, for the region in the front for protecting mobile terminal in addition to display screen;There is perforate on protecgulum;
Bone conduction audio-frequency output device, for by osteoacusis mode exports audio signal;Bone conduction audio-frequency output device is located at The tapping of the protecgulum.
2. mobile terminal according to claim 1, it is characterised in that the mobile terminal also includes:
Receiver contact component, with fluted;The groove is located at the tapping of the protecgulum, and the bottom of the groove is towards described The outside of protecgulum;
The bone conduction audio-frequency output device is located in the groove, and is brought into close contact with the bottom of the groove.
3. mobile terminal according to claim 2, it is characterised in that the bottom portion of groove of the receiver contact component is higher than institute State the outer surface of protecgulum.
4. mobile terminal according to claim 3, it is characterised in that outer surface of the bottom portion of groove higher than the protecgulum Altitude range be [0.2mm, 0.5mm].
5. mobile terminal according to claim 2, it is characterised in that the receiver contact component is flexible glue or silica gel material Material.
6. mobile terminal according to claim 2, it is characterised in that the mobile terminal also includes:
Audio frequency bonnet, is fixedly connected with the receiver contact component, for the bone conduction audio-frequency output device to be fixed on into institute State in groove.
7. mobile terminal according to claim 6, it is characterised in that the audio frequency bonnet is connect by screw with the receiver Contact portion part is fixedly connected.
8. mobile terminal according to claim 1, it is characterised in that the width range of the perforate is [12mm, 16mm], Altitude range is [5mm, 8mm].
9. mobile terminal according to claim 1, it is characterised in that the perforate is near the top of the protecgulum.
10. mobile terminal according to claim 1, it is characterised in that the mobile terminal includes multiple bone conduction audio-frequencies Output device;
The protecgulum includes the multiple and one-to-one perforate of bone conduction audio-frequency output device.
CN201710028505.2A 2017-01-16 2017-01-16 Mobile terminal Pending CN106598175A (en)

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Application Number Priority Date Filing Date Title
CN201710028505.2A CN106598175A (en) 2017-01-16 2017-01-16 Mobile terminal

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Application Number Priority Date Filing Date Title
CN201710028505.2A CN106598175A (en) 2017-01-16 2017-01-16 Mobile terminal

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107483684A (en) * 2017-09-27 2017-12-15 北京小米移动软件有限公司 Electronic equipment

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JP2003152844A (en) * 2001-11-09 2003-05-23 Sony Corp Mobile communication terminal
KR20090079527A (en) * 2008-01-18 2009-07-22 지디텍 주식회사 Bone conduction speaker apparatus having preventing structure a vibration
CN101827297A (en) * 2010-05-26 2010-09-08 浙江师范大学 Frequency-division piezoelectric bone conduction auditory device
CN202679440U (en) * 2012-06-08 2013-01-16 瑞声光电科技(常州)有限公司 Communication apparatus with bone conduction function
JP2013118497A (en) * 2011-12-02 2013-06-13 Sharp Corp Electronic device, voice processing method, and program
US20130308798A1 (en) * 2011-02-01 2013-11-21 Sang Chul Lee Communication Terminal Having Bone Conduction Function
WO2016003187A1 (en) * 2014-07-01 2016-01-07 메아리소닉코리아 주식회사 Bone conduction speaker module and bone conduction earphones having bone conduction speaker modules
CN106331233A (en) * 2016-08-23 2017-01-11 珠海市魅族科技有限公司 Terminal equipment

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003152844A (en) * 2001-11-09 2003-05-23 Sony Corp Mobile communication terminal
KR20090079527A (en) * 2008-01-18 2009-07-22 지디텍 주식회사 Bone conduction speaker apparatus having preventing structure a vibration
CN101827297A (en) * 2010-05-26 2010-09-08 浙江师范大学 Frequency-division piezoelectric bone conduction auditory device
US20130308798A1 (en) * 2011-02-01 2013-11-21 Sang Chul Lee Communication Terminal Having Bone Conduction Function
JP2013118497A (en) * 2011-12-02 2013-06-13 Sharp Corp Electronic device, voice processing method, and program
CN202679440U (en) * 2012-06-08 2013-01-16 瑞声光电科技(常州)有限公司 Communication apparatus with bone conduction function
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CN106331233A (en) * 2016-08-23 2017-01-11 珠海市魅族科技有限公司 Terminal equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107483684A (en) * 2017-09-27 2017-12-15 北京小米移动软件有限公司 Electronic equipment
CN107483684B (en) * 2017-09-27 2024-02-06 北京小米移动软件有限公司 Electronic equipment

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