CN106487965A - A kind of battery cover for conference telephone, conference telephone system and its method - Google Patents
A kind of battery cover for conference telephone, conference telephone system and its method Download PDFInfo
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- CN106487965A CN106487965A CN201610876116.0A CN201610876116A CN106487965A CN 106487965 A CN106487965 A CN 106487965A CN 201610876116 A CN201610876116 A CN 201610876116A CN 106487965 A CN106487965 A CN 106487965A
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- 230000005236 sound signal Effects 0.000 claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 230000008054 signal transmission Effects 0.000 claims abstract description 5
- 210000002683 foot Anatomy 0.000 claims description 105
- 239000002184 metal Substances 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims 1
- 230000037361 pathway Effects 0.000 claims 1
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
- H04M1/035—Improving the acoustic characteristics by means of constructional features of the housing, e.g. ribs, walls, resonating chambers or cavities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Telephone Function (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a kind of battery cover for conference telephone, conference telephone system and its method, conference telephone system includes mobile terminal and battery cover；Battery cover is arranged on the back side of mobile terminal；It is provided with several on the mainboard of mobile terminal and exposes the contact feet for carrying out data signal transmission with battery cover outside, described contact feet is connected with the connecting pin of battery cover；When mainboard detection is connected with battery cover, open and close the audio frequency power amplifier function of battery cover according to input operation；In audio frequency power amplifier function on, exports audio signal carries out playing after audio frequency power amplifier to battery cover.Replace the shell on the back of existing mobile terminal with battery cover, the audio signal of mobile terminal is play to lift sound performance by battery cover, solves the less problem of existing conference telephone system sound；Directly carry out conference telephone using mobile terminal and solve existing conference telephone system being limited by network interface and leading to inconvenient problem with use.
Description
Technical field
The present invention relates to battery cover technical field, more particularly, to a kind of battery cover for conference telephone, meeting electricity
Telephone system and its method.
Background technology
At present, the mode that the commonly used netting twine of conference telephone system that meeting room uses connects, Conference Room is subject to network interface
Limit, have obvious limitation, using upper very inconvenient.On Speech processing, most conference telephone system is still continued to use
300-3300Hz narrow frequency band speech technology, can only transmit the acoustical signal of medium and low frequency, the abundant degree of voice signal and quality are all
Ratio is relatively limited, and sound is less.In addition, the price of conference telephone system is generally higher.
Therefore, prior art has yet to be improved and developed.
Content of the invention
A kind of in view of in place of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide battery for conference telephone
Lid, conference telephone system and its method are it is intended to solving that existing conference telephone system sound is less, being limited by network interface and lead to use not
Convenient problem.
The technical scheme that present invention solution technical problem is adopted is as follows：
A kind of battery cover for conference telephone, is connected with the mainboard of mobile terminal, and it includes lid body and is arranged on lid body
Interior circuit board；
Several connecting pins, audio frequency power amplifier and speaker are provided with described circuit board；Described lid body side is provided with perforate
To expose each connecting pin；Each connecting pin is connected with mainboard；Audio frequency power amplifier is switched according to the keying signal that mainboard exports, in sound
After amplifying, when frequency power amplifier is opened, the audio signal that mainboard exports, drive the speaker is play.
The described battery cover for conference telephone, wherein, several connecting pins described include：
Supply pin, for receiving the supply voltage of mainboard output；
Left audio frequency foot and right audio frequency foot, for receiving the left and right audio signal of mainboard output；
Enable and control foot, for receiving the keying signal of mainboard output；
Detection foot, for exporting corresponding detection signal to mainboard according to battery cover and the connection status of mainboard.
The described battery cover for conference telephone, wherein, described connecting pin is pogo pin bullet pin, pogo pin bullet pin
It is connected through perforate with the contact point on Mobile terminal main board.
The described battery cover for conference telephone, wherein, described audio frequency power amplifier drives for dual-channel audio power amplifier, by a left side
Right audio signal amplifies after separating, and exports respectively.
The described battery cover for conference telephone, wherein, described speaker is 2, including to the left audio frequency after amplifying
Left speaker and the right speaker that the right audio signal after amplifying is played out that signal plays out；
The a7 foot of audio frequency power amplifier, a8 foot connect the two ends of right speaker respectively, and the a9 foot of audio frequency power amplifier, a10 foot connect a left side respectively
The two ends of speaker.
A kind of conference telephone system, including mobile terminal, it also includes the described battery cover for conference telephone；Described
Battery cover is arranged on the back side of mobile terminal；Be provided with the mainboard of mobile terminal several expose outside for battery cover
Carry out the contact feet of data signal transmission, described contact feet is connected with the connecting pin of battery cover；
When mainboard detection is connected with battery cover, open and close the audio frequency power amplifier function of battery cover according to input operation；In audio frequency power amplifier
During function on, exports audio signal carries out playing after audio frequency power amplifier to battery cover.
Described conference telephone system, wherein, several contact feets described include：
Power supply foot, supplies voltage to battery cover for output and powers；
L channel foot and R channel foot, for exporting left and right audio signal；
Output pin, the keying signal whether opened for output control battery cover audio frequency power amplifier function；
Input pin, for detecting the connection status of mainboard and battery cover and by corresponding pullup or pulldown.
Described conference telephone system, wherein, described contact feet is metal pin foot.
Described conference telephone system, wherein, when battery cover is buckled in the mobile terminal back side, the a1 foot of described audio frequency power amplifier
Connect the power supply foot of mainboard by supply pin, the a2 foot of audio frequency power amplifier passes through the L channel foot that left audio frequency foot connects mainboard, audio frequency
The a3 foot of power amplifier passes through the R channel foot that right audio frequency foot connects mainboard, and the a4 foot of audio frequency power amplifier passes through enable and controls foot to connect mainboard
Output pin, the a5 foot of audio frequency power amplifier passes through to detect the input pin that foot connects mainboard, the a6 foot of audio frequency power amplifier is connected by lower margin
The lower margin of mainboard and ground.
A kind of conference telephone method using described conference telephone system, it includes：
Step A, when mainboard detection be connected with battery cover when, according to input operation keying battery cover audio frequency power amplifier function；
Step B, in audio frequency power amplifier function on, exports audio signal to battery cover carry out after audio frequency power amplifier play.
Compared to prior art, provided by the present invention for the battery cover of conference telephone, conference telephone system and its method,
Battery cover is arranged on the back side of mobile terminal；Be provided with the mainboard of mobile terminal several expose outside for battery cover
Carry out the contact feet of data signal transmission, described contact feet is connected with the connecting pin of battery cover；When mainboard detection and battery cover connect
The audio frequency power amplifier function of battery cover when connecing, is opened and closed according to input operation；In audio frequency power amplifier function on, exports audio signal is given
Battery cover is play after carrying out audio frequency power amplifier.Replace the shell on the back of existing mobile terminal with battery cover, by the audio signal of mobile terminal
Play to lift sound performance by battery cover, solve the less problem of existing conference telephone system sound；Using mobile whole
End directly carries out conference telephone and solves existing conference telephone system being limited by network interface and leading to inconvenient problem with use.
Brief description
Fig. 1 is the structured flowchart of the conference telephone system that the present invention provides.
Fig. 2 is the mainboard of present invention offer and its circuit diagram of contact feet.
Fig. 3 is the circuit diagram of the battery cover provided by the present invention for conference telephone.
Fig. 4 is the conference telephone method flow diagram of the conference telephone system that the present invention provides.
Specific embodiment
The present invention provides a kind of battery cover for conference telephone, conference telephone system and its method, by battery cover
Improve, replace the shell on the back of existing mobile terminal with battery cover, realize conference telephone system on mobile terminals.Make full use of
Mobile terminal easily mobility and the powerful disposal ability of inside chip, to lift sound in conjunction with the speaker on battery cover
Performance.For making the objects, technical solutions and advantages of the present invention clearer, clear and definite, the embodiment that develops simultaneously referring to the drawings is to this
Invention further describes.It should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to
Limit the present invention.
Refer to Fig. 1, the battery cover 10 that the conference telephone system that the present invention provides is included for conference telephone is whole with mobile
End 20.Described battery cover 10 is arranged on the back side of mobile terminal 20, substitutes the shell on the back of existing mobile terminal.Described mobile terminal
It is provided with several on mainboard and expose the contact feet for carrying out data signal transmission with battery cover outside（Concentrated setting is one
Rise）.Described contact feet is connected with connecting pin.When described mobile terminal 20 detection is connected with battery cover 10, opened according to input operation
Close the audio frequency power amplifier function of battery cover.In audio frequency power amplifier function on, exports audio signal carries out audio frequency power amplifier to battery cover
After play.
See also Fig. 2, described contact feet includes power foot VBAT, L channel foot HP_L, R channel foot HP_R, output
Foot GPIO_Out, input pin GPIO_IN and lower margin GND.Power supply foot VBAT is used for the supply voltage that output is powered to battery cover, left
Sound channel foot HP_L and R channel foot HP_R is used for exporting left and right audio signal, and output pin GPIO_Out is used for output control battery cover
The keying signal whether audio frequency power amplifier function opens.Input pin GPIO_IN is used for detecting the connection status of mainboard and battery cover simultaneously
By corresponding pullup or pulldown, such as connect and then pulled up as high level by battery cover, be not connected to or connect be existing shell on the back then by
Drop-down for low level.It is to be appreciated that other pins are also had on mainboard（For prior art）, only illustrate and this enforcement in Fig. 2
The relevant contact feet of example.
Described mobile terminal is taking mobile phone as a example.Mobile phone has used very generally at present, and working environment is substantially covered entirely
Cover WIFI network.So using mobile phone development conference telephone system in convenience with to become present aspect all to have significantly excellent
Gesture.And, the disposal ability of chip for cell phone is very strong, most chips can process the narrow frequency band speech of 300-3300Hz,
100-7100Hz wideband sound.Some high-end chips have been also equipped with 100-14000Hz ultra-wideband voice and 20-20000Hz is complete
Frequency band speech processing function.So utilize the conference telephone system of mobile phone development, quality of speech signal will have great advantage.
The described battery cover 10 for conference telephone includes lid body and is arranged on the intrinsic circuit board of lid.As Fig. 3 institute
Show, described circuit board is provided with several connecting pins, audio frequency power amplifier PA and speaker；Described lid body side is provided with perforate
To expose each connecting pin（Number is equal with the contact feet of mainboard）.Each connecting pin is corresponded even with each contact feet on mainboard
Connect, for transmission signal.Audio frequency power amplifier PA is switched according to the keying signal that mainboard exports, will when audio frequency power amplifier PA opens
After the audio signal of mainboard output is amplified, drive the speaker is play.
Wherein, described connecting pin is pogo pin bullet pin, and pogo pin bullet pin passes through on perforate and Mobile terminal main board
Contact point connects, thus realizing data transfer.Connecting pin includes supply pin VDD, left audio frequency foot IN_Left, right audio frequency foot IN_
Right, enable control foot CTRL, detection foot ID_DET and lower margin GND.Supply pin VDD receives the supply voltage of mainboard output, left
Audio frequency foot IN_Left and right audio frequency foot IN_Right receives the left and right audio signal of mainboard output, enables and controls foot CTRL to receive
The keying signal of mainboard output, detection foot ID_DET is used for the connection status output corresponding detection letter according to battery cover with mainboard
Number（Low and high level）To mainboard.In the specific implementation, connecting pin may also be employed the mode of shell fragment.
Described audio frequency power amplifier PA drives for dual-channel audio power amplifier（With reference to model HT8698）, left and right audio frequency can be believed by it
Amplify after number separation, export respectively.Then accordingly, speaker is 2, including play out to the left audio signal after amplifying
The left speaker SPK_Left and right speaker SPK_Right that the right audio signal after amplifying is played out.Left speaker
The speaker of the reference model Linkage φ 28 x 7.5mm of SPK_Left and right speaker SPK_Right.This two speakers
Low-frequency cut-off frequency can reach 350Hz, peak power 2.5W, performance is substantially better than the speaker of mobile phone（Existing
Low-frequency cut-off frequency 950Hz, peak power 1.5W）.Left and right audio signal is enabled stereo respectively by a speaker broadcasting
Effect, and volume is higher.
Please continue to refer to Fig. 2 and Fig. 3, when battery cover is buckled in the mobile terminal back side, each of described audio frequency power amplifier PA draws
Foot is connected with the contact feet of mainboard, specially by corresponding connecting pin：The a1 foot of audio frequency power amplifier PA is connected by supply pin VDD
The a2 foot of the power supply foot VBAT of mainboard, audio frequency power amplifier PA passes through the L channel foot HP_L that left audio frequency foot IN_Left connects mainboard, sound
The a3 foot of frequency power amplifier PA passes through the R channel foot HP_R that right audio frequency foot IN_Right connects mainboard, and the a4 foot of audio frequency power amplifier PA passes through
Enable the output pin GPIO_Out controlling foot CTRL to connect mainboard, the a5 foot of audio frequency power amplifier PA passes through to detect that foot ID_DET connects master
The a6 foot of the input pin GPIO_IN of plate, audio frequency power amplifier PA connects lower margin GND0 and the ground of mainboard by lower margin GND；Audio frequency power amplifier
The a7 foot of PA, a8 foot connect the two ends of right speaker SPK_Right respectively, and the a9 foot of audio frequency power amplifier PA, a10 foot connect a left side respectively
The two ends of speaker SPK_Left.
The operation principle of described conference telephone system is：
When battery cover is buckled in the mobile terminal back side, mobile terminal passes through power supply foot VBAT output and supplies voltage to supply pin VDD,
Thus powering to the audio frequency power amplifier PA of battery cover.Pull-up circuit within audio frequency power amplifier PA（As a pull-up resistor）By audio frequency power amplifier
The a5 foot of PA pulls up as high level, then the input pin GPIO_IN of mainboard is also driven high as high level.Now mainboard judges to move eventually
Hold the described battery cover for conference telephone of having arranged in pairs or groups.
When user needs to start conference telephone capabilities, can be exported high by the output pin GPIO_Out of button control mainboard
The open signal of level opens audio frequency power amplifier PA, thus starting conference telephone capabilities.If now mainboard output left and right audio signal,
Amplify after then being separated by audio frequency power amplifier PA, play by left speaker SPK_Left and right speaker SPK_Right respectively.
If user will close conference telephone capabilities, can be exported low by the output pin GPIO_Out of respective keys control mainboard
The shutdown signal of level closes audio frequency power amplifier PA, you can close conference telephone capabilities.
Based on existing shell on the back no these connecting pins, when shell on the back is buckled at the back side of mobile terminal, the input pin of mainboard
GPIO_IN is low level, and mainboard judges that mobile terminal has been arranged in pairs or groups conventional batteries bonnet（I.e. shell on the back）, the output pin GPIO_ of mainboard
Out is disconnected, will not output signal.Audio signal is exported by existing passage and plays to the built-in speaker of mobile terminal,
Thus not the impact existing audio-frequency function of mobile terminal.
In the specific implementation, corresponding conference telephone APP can be installed in mobile terminal.When battery cover is buckled in the mobile terminal back of the body
During face, low and high level is exported come the output pin GPIO_Out of control mainboard by the icon that opens and closes on conference telephone APP.In order to save
Save electric energy, also can whether defeated come the supply voltage of the power supply foot VBAT of control mainboard by the power supply icon on conference telephone APP
Go out.When using as battery cover is regarded shell on the back, can stop power supply, now audio frequency power amplifier no electricity is not responding to, then no matter other contact
Whether output signal is all without startup conference telephone capabilities for foot.If battery cover is regarded player using, power, further according to opening
Close icon to control the opening and closing of conference telephone capabilities.
In further embodiment, conference telephone APP can also realize conference telephone record, storage and edition function, such as
Conference telephone APP records both sides' voice, to recording into edlin, storage etc..
Based on above-mentioned conference telephone system, the present invention also provides a kind of conference telephone method, refers to Fig. 4, described meeting
View telephony methods include：
S100, when mainboard detection be connected with battery cover when, according to input operation keying battery cover audio frequency power amplifier function；
S200, in audio frequency power amplifier function on, exports audio signal to battery cover carry out after audio frequency power amplifier play.
The detailed process of described step S100 ~ S200 can be found in the operation principle of above-mentioned conference telephone system, herein not
Repeat.
In sum, the present invention provides a kind of design realizing conference telephone system on mobile terminals it is considered to mobile phone is fine
There are the scene need that volume is little it is impossible to meets conference telephone many people application in the requirement of thin design and mobile phone speaker
Ask；The speaker of big volume, by being provided for the battery cover of conference telephone, is arranged on battery cover, is replaced with battery cover existing
The shell on the back of mobile terminal, using mobile phone easily mobility and the powerful disposal ability of chip, by the audio signal of mobile terminal
Play to lift sound performance by battery cover, solve the problems, such as that volume is little.Battery cover, with the Informal development of adnexa, coordinates mobile phone
Using moreover it is possible to the function of compatible existing shell on the back.Directly carry out conference telephone using mobile terminal and solve existing conference telephone system
Limited by network interface and led to inconvenient problem with use.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved according to the above description or to convert, all these modifications and variations all should belong to the guarantor of claims of the present invention
Shield scope.
Claims (10)
1. a kind of battery cover for conference telephone, is connected with the mainboard of mobile terminal it is characterised in that including lid body and setting
Put and covering intrinsic circuit board；
Several connecting pins, audio frequency power amplifier and speaker are provided with described circuit board；Described lid body side is provided with perforate
To expose each connecting pin；Each connecting pin is connected with mainboard；Audio frequency power amplifier is switched according to the keying signal that mainboard exports, in sound
After amplifying, when frequency power amplifier is opened, the audio signal that mainboard exports, drive the speaker is play.
2. the battery cover for conference telephone according to claim 1 is it is characterised in that several connecting pin bags described
Include：
Supply pin, for receiving the supply voltage of mainboard output；
Left audio frequency foot and right audio frequency foot, for receiving the left and right audio signal of mainboard output；
Enable and control foot, for receiving the keying signal of mainboard output；
Detection foot, for exporting corresponding detection signal to mainboard according to battery cover and the connection status of mainboard.
3. the battery cover for conference telephone according to claim 1 is it is characterised in that described connecting pin is pogo pin
Play pin, pogo pin bullet pin is connected through perforate with the contact point on Mobile terminal main board.
4. the battery cover for conference telephone according to claim 1 is it is characterised in that described audio frequency power amplifier is the dual pathways
Audio frequency power amplifier drives, and amplifies, export respectively after left and right audio signal is separated.
5. the battery cover for conference telephone according to claim 4 it is characterised in that described speaker be 2, including
Raise one's voice in the left speaker that left audio signal after amplifying is played out and the right side that the right audio signal after amplifying is played out
Device；
The a7 foot of audio frequency power amplifier, a8 foot connect the two ends of right speaker respectively, and the a9 foot of audio frequency power amplifier, a10 foot connect a left side respectively
The two ends of speaker.
6. a kind of conference telephone system, including mobile terminal it is characterised in that also including as arbitrary in claim 1-5 described
Battery cover for conference telephone；Described battery cover is arranged on the back side of mobile terminal；If being provided with the mainboard of mobile terminal
The dry contact feet for carrying out data signal transmission with battery cover exposing outside, the connecting pin of described contact feet and battery cover
Connect；
When mainboard detection is connected with battery cover, open and close the audio frequency power amplifier function of battery cover according to input operation；In audio frequency power amplifier
During function on, exports audio signal carries out playing after audio frequency power amplifier to battery cover.
7. conference telephone system according to claim 6 is it is characterised in that several contact feets described include：
Power supply foot, supplies voltage to battery cover for output and powers；
L channel foot and R channel foot, for exporting left and right audio signal；
Output pin, the keying signal whether opened for output control battery cover audio frequency power amplifier function；
Input pin, for detecting the connection status of mainboard and battery cover and by corresponding pullup or pulldown.
8. conference telephone system according to claim 6 is it is characterised in that described contact feet is metal pin foot.
9. conference telephone system according to claim 7 is it is characterised in that when battery cover is buckled in the mobile terminal back side,
The a1 foot of described audio frequency power amplifier connects the power supply foot of mainboard by supply pin, and the a2 foot of audio frequency power amplifier passes through left audio frequency foot and connects master
The L channel foot of plate, the a3 foot of audio frequency power amplifier passes through the R channel foot that right audio frequency foot connects mainboard, and the a4 foot of audio frequency power amplifier passes through
Enable the output pin controlling foot to connect mainboard, the a5 foot of audio frequency power amplifier passes through to detect the input pin that foot connects mainboard, audio frequency power amplifier
A6 foot by lower margin connect mainboard lower margin and ground.
10. a kind of conference telephone method of the conference telephone system described in employing claim 6 is it is characterised in that include：
Step A, when mainboard detection be connected with battery cover when, according to input operation keying battery cover audio frequency power amplifier function；
Step B, in audio frequency power amplifier function on, exports audio signal to battery cover carry out after audio frequency power amplifier play.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610876116.0A CN106487965A (en) | 2016-10-08 | 2016-10-08 | A kind of battery cover for conference telephone, conference telephone system and its method |
| PCT/CN2017/076991 WO2018064877A1 (en) | 2016-10-08 | 2017-03-16 | Battery cover used for conference call, conference call system and method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610876116.0A CN106487965A (en) | 2016-10-08 | 2016-10-08 | A kind of battery cover for conference telephone, conference telephone system and its method |
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| CN106487965A true CN106487965A (en) | 2017-03-08 |
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|---|---|---|---|
| CN201610876116.0A Pending CN106487965A (en) | 2016-10-08 | 2016-10-08 | A kind of battery cover for conference telephone, conference telephone system and its method |
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|---|---|
| CN (1) | CN106487965A (en) |
| WO (1) | WO2018064877A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018064877A1 (en) * | 2016-10-08 | 2018-04-12 | 捷开通讯(深圳)有限公司 | Battery cover used for conference call, conference call system and method therefor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101102145A (en) * | 2006-07-06 | 2008-01-09 | 艾易信息通信有限责任公司 | A multi-party conference system originated by mobile terminal and its method |
| CN201904377U (en) * | 2010-10-26 | 2011-07-20 | 康佳集团股份有限公司 | Mobile phone and cell thereof |
| CN202488508U (en) * | 2012-02-07 | 2012-10-10 | 东莞宇龙通信科技有限公司 | Handheld communication device and rear casing thereof |
| CN202841239U (en) * | 2012-09-13 | 2013-03-27 | 东莞宇龙通信科技有限公司 | Back cover of cell phone |
| US20140270301A1 (en) * | 2013-03-13 | 2014-09-18 | Samsung Electronics Co., Ltd. | Electronic device including sound output module and housing for the electronic device |
| CN204131572U (en) * | 2014-09-24 | 2015-01-28 | 中兴通讯股份有限公司 | Device is put outside a kind of handset audio |
| CN204652441U (en) * | 2015-03-30 | 2015-09-16 | 南昌欧菲光学技术有限公司 | Portable terminal device bonnet battery |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104339529A (en) * | 2013-07-29 | 2015-02-11 | 联想(北京)有限公司 | Electronic terminal manufacturing method and electronic terminal |
| CN106487965A (en) * | 2016-10-08 | 2017-03-08 | Tcl通讯（宁波）有限公司 | A kind of battery cover for conference telephone, conference telephone system and its method |
-
2016
- 2016-10-08 CN CN201610876116.0A patent/CN106487965A/en active Pending
-
2017
- 2017-03-16 WO PCT/CN2017/076991 patent/WO2018064877A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101102145A (en) * | 2006-07-06 | 2008-01-09 | 艾易信息通信有限责任公司 | A multi-party conference system originated by mobile terminal and its method |
| CN201904377U (en) * | 2010-10-26 | 2011-07-20 | 康佳集团股份有限公司 | Mobile phone and cell thereof |
| CN202488508U (en) * | 2012-02-07 | 2012-10-10 | 东莞宇龙通信科技有限公司 | Handheld communication device and rear casing thereof |
| CN202841239U (en) * | 2012-09-13 | 2013-03-27 | 东莞宇龙通信科技有限公司 | Back cover of cell phone |
| US20140270301A1 (en) * | 2013-03-13 | 2014-09-18 | Samsung Electronics Co., Ltd. | Electronic device including sound output module and housing for the electronic device |
| CN204131572U (en) * | 2014-09-24 | 2015-01-28 | 中兴通讯股份有限公司 | Device is put outside a kind of handset audio |
| CN204652441U (en) * | 2015-03-30 | 2015-09-16 | 南昌欧菲光学技术有限公司 | Portable terminal device bonnet battery |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018064877A1 (en) * | 2016-10-08 | 2018-04-12 | 捷开通讯(深圳)有限公司 | Battery cover used for conference call, conference call system and method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018064877A1 (en) | 2018-04-12 |
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Application publication date: 20170308 |