CN107315701A - Law-enforcing recorder - Google Patents
Law-enforcing recorder Download PDFInfo
- Publication number
- CN107315701A CN107315701A CN201710525588.6A CN201710525588A CN107315701A CN 107315701 A CN107315701 A CN 107315701A CN 201710525588 A CN201710525588 A CN 201710525588A CN 107315701 A CN107315701 A CN 107315701A
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- Prior art keywords
- pin
- law
- enforcing recorder
- ptt
- processing module
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Mobile Radio Communication Systems (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Telephone Function (AREA)
Abstract
The embodiment of the present invention provides a kind of law-enforcing recorder.The law-enforcing recorder includes：Interface module and processing module；Interface module, including：First pin units and second pin unit；Wherein, first pin units, including：The D+ pins and D pins being connected respectively with the processing module, for entering row data communication as usb data pin and external equipment；The second pin unit, including：The the first detection pin and the second detection pin being connected respectively with the processing module；The processing module, for the level signal according to the described first detection pin and the second detection pin, detects the type of external equipment being connected with the law-enforcing recorder, and intercom by saying whether PTT buttons are pressed.Different interface functions is integrated into an interface module by the embodiment of the present invention, improves the sealing effectiveness of complete machine.
Description
Technical field
The present embodiments relate to electronic device field, more particularly to a kind of law-enforcing recorder.
Background technology
Law-enforcing recorder is also known as police law-enforcing recorder or on-site law-enforcing recorder.Collect digital vedio recording, digital photographing, intercommunication
Transmitter function, can be easy to public security to do to entering Mobile state, static field condition digitized record in enforcing law
Alert enforced the law in various environment uses.Law-enforcing recorder is often used together with intercom, can connect intercom, is that intercom is carried
For sound pick-up and loudspeaker.
Fig. 1 is the interface diagram of existing law-enforcing recorder.As shown in figure 1, existing law-enforcing recorder, is used
Earphone, USB (Universal Serial Bus, abbreviation USB) charging and data transfer, intercom are respectively adopted
Three independent interfaces, but be due to law-enforcing recorder dustproof and waterproof requirement it is higher, therefore cause complete machine using multiple interfaces
Sealing effectiveness it is poor.
The content of the invention
The embodiment of the present invention provides a kind of law-enforcing recorder, uses multiple interfaces to cause complete machine for solving prior art
The poor technical problem of sealing effectiveness.
The embodiment of the present invention provides a kind of law-enforcing recorder, including：
Interface module and processing module；
Wherein, the interface module and processing module electrical connection；
The interface module, including：First pin units and second pin unit；
Wherein, first pin units, including：The D+ pins and D- pins being connected respectively with the processing module, are used
In entering row data communication as usb data pin and external equipment；
The second pin unit, including：The first detection pin being connected respectively with the processing module and the second detection
Pin；
The processing module, for the level signal according to the described first detection pin and the second detection pin, inspection
Survey the type of external equipment being connected with the law-enforcing recorder, and intercom by saying whether PTT buttons are pressed.
Law-enforcing recorder provided in an embodiment of the present invention, passes through the first pin units, it is possible to achieve USB interface function,
I.e. as usb data interface and charging inlet, it can also be realized by second pin unit and processing module according to the first inspection
Pin and the second detection pin are surveyed, the type for the external equipment being connected with the law-enforcing recorder, and detection intercom is detected
By saying whether PTT buttons are pressed, therefore different interface functions is integrated into an interface module, improves the sealing of complete machine
Effect.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the interface diagram of existing law-enforcing recorder；
Fig. 2 is the interface diagram of the law-enforcing recorder of the present invention；
The structural representation for the law-enforcing recorder embodiment one that Fig. 3 provides for the present invention；
Fig. 4 is law-enforcing recorder one embodiment of the invention provided and intercom connection diagram；
Fig. 5 is the law-enforcing recorder another embodiment of the invention provided and intercom connection diagram；
Fig. 6 is law-enforcing recorder one embodiment of the invention provided and earphone connection diagram.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 2 is the interface diagram of the law-enforcing recorder of the present invention.The law-enforcing recorder embodiment that Fig. 3 provides for the present invention
One structural representation.As shown in figure 3, the law-enforcing recorder of the present embodiment can include：
Interface module and processing module；
Wherein, interface module and processing module electrical connection；
Interface module, including：First pin units and second pin unit；
Wherein, the first pin units, including：The D+ pins and D- pins being connected respectively with the processing module, for making
It is that USB (Universal Serial Bus, abbreviation USB) data pin and external equipment enter row data communication；
Second pin unit, including：The the first detection pin PTT_DET and the second detection being connected respectively with processing module draw
Pin HS_DET；
Processing module, for the level signal according to the first detection pin PTT_DET and the second detection pin HS_DET, inspection
Survey the type of external equipment being connected with law-enforcing recorder, and intercom by saying (Push to Talk, abbreviation PTT) button
Whether press.
Specifically, processing module, for according to the first of second pin unit the detection pin PTT_DET, detection and law enforcement
Whether the connected external equipment of recorder is intercom；
Processing module, is additionally operable to, when the level signal according to the first detection pin PTT_DET, detect and law-enforcing recorder
When connected external equipment is intercom, whether the PTT buttons of detection intercom are pressed；Or, be additionally operable to when according to the first detection
Pin PTT_DET level signal, when detecting the external equipment being connected with law-enforcing recorder for non-intercom, detection and law enforcement
Whether the connected external equipment of recorder is earphone.
For example, when the level signal for detecting the first detection pin PTT_DET is low level signal, then explanation is remembered with law enforcement
It is intercom to record the connected external equipment of instrument, if the level signal for now detecting the second detection pin HS_DET is also low electricity
Ordinary mail number, then illustrate that the PTT buttons of intercom are pressed, and now the radio frequency path of intercom is opened, and receives the wheat of law-enforcing recorder
Gram collection signal or to law-enforcing recorder send signal, it is corresponding, law-enforcing recorder open Mike bias, make Mike open give
Function is talked about, and the signal that the Mike of law-enforcing recorder is gathered is sent to intercom, or receive the signal that intercom is sent, that is, hold
Method recorder can as intercom sound pick-up and loudspeaker.
For example, when the level signal for detecting the first detection pin PTT_DET is high level signal, if now detected
Second detection pin HS_DET level signal is low level signal, then the external equipment that explanation is connected with law-enforcing recorder is ear
Machine；If the level signal for detecting the second detection pin HS_DET is high level signal, illustrate earphone and intercom not
Insert the interface module of the law-enforcing recorder.
It for details, reference can be made to table 1 below.
Table 1
First pin units, are USB interface pin, can include：Power line VBUS pins, ground wire GND pin, D+ draw
Pin, D- pins；Wherein, D+ pins, D- pins are used to as usb data pin and external equipment enter row data communication；First draws
Pin unit is also used as charging inlet.
As shown in Fig. 2 in the method for the present embodiment, by interface module, realizing and connecting different external equipments.
The law-enforcing recorder of the present embodiment, passes through the first pin units, it is possible to achieve USB interface function, i.e., as USB
Data-interface and charging inlet, can also by second pin unit and processing module, realize according to first detection pin and
Second detection pin, detects the type of external equipment being connected with the law-enforcing recorder, and detect intercom by saying PTT
Whether button is pressed, therefore different interface functions is integrated into an interface module, improves the sealing effectiveness of complete machine.
Fig. 4 is law-enforcing recorder one embodiment of the invention provided and intercom connection diagram.Fig. 5 carries for the present invention
Another embodiment of law-enforcing recorder of confession with intercom connection diagram.Fig. 6 is real for the law-enforcing recorder one that the present invention is provided
Apply example with earphone connection diagram.On the basis of above-described embodiment, further, as shown in figure 4, the law enforcement of the present embodiment
Recorder, can also include：
PTT enables pin, and one end that the PTT enables pin PTT-EN is connected with the PTT buttons of the law-enforcing recorder,
The other end that the PTT enables pin PTT-EN is connected with the processing module；
The processing module, when being additionally operable to detect that the PTT buttons of the law-enforcing recorder are pressed, the PTT is enabled and drawn
It is high level signal that pin PTT-EN level signal, which is enabled,；
Switching tube Q, is turned under the control for enabling pin PTT-EN in PTT, to change the second detection pin HS_DET
Level.
Alternatively, switching tube Q is field effect transistor metal-oxide-semiconductor, is drawn as shown in figure 4, metal-oxide-semiconductor Q grid is enabled with the PTT
Pin PTT-EN other end connection, the drain electrode of the metal-oxide-semiconductor Q is connected with the described second detection pin HS_DET, the metal-oxide-semiconductor Q
Source ground.
Further, the processing module, is additionally operable to：
When the PTT buttons for detecting the law-enforcing recorder are pressed, Mike's bias is opened, so that the law-enforcing recorder
Mike opens and send words function.
Further, as shown in Figure 5, Figure 6, the second pin unit, in addition to：
First be connected with the audio coding decoding module of the law-enforcing recorder or Mike's unit of the law-enforcing recorder
Multiplexing pins, and audio coding decoding module or the loudspeaker unit of the law-enforcing recorder with the law-enforcing recorder are connected
The second multiplexing pins；
First multiplexing pins, the audio output signal for the sound channel pin HPL or described law-enforcing recorders as earphone
Pin PTT_MIC；
Second multiplexing pins, the audio input signal for Mike's pin MIC or described law-enforcing recorders as earphone
Pin PTT_SPK.
Specifically, as shown in figure 4, when detecting the first detection pin PTT_DET level signal for low level signal, then
Illustrate that the external equipment being connected with law-enforcing recorder is intercom, when the PTT buttons of law-enforcing recorder are pressed, processing module inspection
Measure the PTT buttons to press and (specifically can detect the PTT buttons by interruption to press), PTT is enabled pin PTT-EN's
It is high level signal that level signal, which is enabled, opens Mike's bias, opens Mike and send words function, and the signal that Mike is gathered is sent out
Give intercom or receive the signal that intercom is sent, and believe because PTT enables pin PTT-EN level signal for high level
Number, switching tube conducting now second detects that pin HS_DET level signal is changed into low level signal, intercommunication from high level signal
The drop-down that the processor of machine detects the second detection pin by I/O port is interrupted, and determines that the PTT buttons of law-enforcing recorder are pressed, then
The radio frequency path of intercom is opened, and is received the signal of Mike's transmission of law-enforcing recorder or is sent signal to law-enforcing recorder.
Table 2 below is a kind of mode of the pin multiplexing of interface module, and pin 1,3,5,7,9 is earphone and intercommunication machine equipment
Multiplexing pins；Wherein, pin 1 is GND pin (not shown), and pin 3 is as the sound channel pin HPL of earphone (such as Fig. 6 institutes
Show) or the law-enforcing recorder audio output signal pin PTT_MIC (as shown in Figure 5) multiplexing pins, pin 7 is used as ear
Mike's pin MIC (as shown in Figure 6) of machine or the audio input signal pin PTT_SPK of the law-enforcing recorder are (such as Fig. 5 institutes
Show) multiplexing pins, pin 5 and pin 9 are respectively as the second detection pin HS_DET and the first detection pin PTT_DET.Its
In, the first multiplexing pins are pin 3, and the second multiplexing pins are pin 7.
Pin 2 is VBUS pins, and pin 4 and pin 6 are respectively D+ pins and D- pins, and pin 8 is external connection (On-
The-Go, abbreviation OTG) detection of equipment judges pin (not shown), such as USB mouse OTG equipment, pin 10 is
GND pin.
Table 2
Specifically, between law-enforcing recorder audio coding decoding module and the first multiplexing pins (the HPL pins in Fig. 6), with
And first multiplexing pins (the PTT_MIC pins in Fig. 5) one can be connected respectively between Mike's unit of law-enforcing recorder
Analog switch, the analog switch can be controlled by processing module；
Between the audio coding decoding module of law-enforcing recorder and the second multiplexing pins (the MIC pins in Fig. 6), and second
Multiplexing pins (the PTT_SPK pins in Fig. 5) can be connected a simulation respectively between the loudspeaker unit of law-enforcing recorder
Switch, the analog switch can be controlled by processing module.
Distinguish corresponding pin state when table 3 is insertion intercom and earphone.As shown in figure 5, the interface insertion of intercom
During the interface module of law-enforcing recorder, pin 9 is the first detection pin PTT_DET output low level signal, equivalent to ground connection, this
When processing module, for according to pin 5 be the second detection pin HS_DET detect intercom by saying whether PTT buttons are pressed.
Pin 3 connects Mike's unit of law-enforcing recorder, connected simultaneously as the audio output signal pin PTT_MIC of law-enforcing recorder
Connect the audio codec of intercom.Pin 7 is used as the audio input signal pin PTT_SPK of law-enforcing recorder, connection law enforcement
The loudspeaker unit of recorder, while connecting the audio codec of intercom.
As shown in fig. 6, when the interface of earphone inserts the interface module of law-enforcing recorder, pin 9 is the first detection pin
PTT_DET is hanging, now processing module, for being whether the second detection pin HS_DET test earphones insert according to pin 5, if
Pin 5 is the second detection pin HS_DET output low level signals, and equivalent to ground connection, then explanation is earphone insertion.The conduct of pin 3
The sound channel pin HPL of earphone, connects the audio coding decoding module of law-enforcing recorder, while connecting the loudspeaker unit of earphone.Draw
Pin 7 connects the audio coding decoding module of law-enforcing recorder as the Mike pin MIC of earphone, while the Mike for connecting earphone is single
Member.
Table 3
On the basis of above-described embodiment, further, alternatively, the processing module, specifically for：
According to the level signal of the described second detection pin, when the PTT buttons for detecting the intercom are pressed, wheat is opened
Gram bias so that the law-enforcing recorder Mike open send words function.
Specifically, as shown in figure 4, when the level signal according to the first detection pin PTT_DET, detecting and the law enforcement
When the connected external equipment of recorder is intercom, that is, the level signal for detecting the first detection pin PTT_DET is low level
Signal, according to the second detection pin HS_DET level signal, detect the intercom by saying that PTT buttons press, that is, examine
When the level signal for measuring the second detection pin HS_DET is also low level signal, processor opens Mike's bias, so that described
The Mike of law-enforcing recorder opens and send words function.
In above-mentioned embodiment, when being intercom for external equipment, it is contemplated that the various customs that user uses, use
The PTT buttons of intercom or law-enforcing recorder are pressed at family, can effectively recognize and enable the hand-held microphone function of law-enforcing recorder, are
Intercom provides the function of sound pick-up and loudspeaker.
Law-enforcing recorder in the embodiment of the present invention, by a 10pinUSB interface, realizing 3 kinds of connection has difference
The external equipment of interface type, cost is relatively low.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above-mentioned each method embodiment can lead to
The related hardware of programmed instruction is crossed to complete.Foregoing program can be stored in a computer read/write memory medium.The journey
Sequence upon execution, performs the step of including above-mentioned each method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or
Person's CD etc. is various can be with the medium of store program codes.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (9)
1. a kind of law-enforcing recorder, it is characterised in that including：
Interface module and processing module；
Wherein, the interface module and processing module electrical connection；
The interface module, including：First pin units and second pin unit；
Wherein, first pin units, including：The D+ pins and D- pins being connected respectively with the processing module, for making
It is that usb data pin and external equipment enter row data communication；
The second pin unit, including：The the first detection pin and the second detection pin being connected respectively with the processing module；
The processing module, for according to described first detection pin and it is described second detection pin level signal, detection with
The type of the connected external equipment of the law-enforcing recorder, and intercom by saying whether PTT buttons are pressed.
2. law-enforcing recorder according to claim 1, it is characterised in that also include：
PTT enables pin, and one end that the PTT enables pin is connected with the PTT buttons of the law-enforcing recorder, and the PTT makes
The other end of energy pin is connected with the processing module；
The processing module, when being additionally operable to detect the PTT buttons of the law-enforcing recorder and pressing, pin is enabled by the PTT
Level signal enable be high level signal；
Switching tube, is turned under the control for enabling pin in the PTT, to change the level of the second detection pin.
3. law-enforcing recorder according to claim 2, it is characterised in that the switching tube is metal-oxide-semiconductor, the metal-oxide-semiconductor
Grid is connected with the PTT other ends for enabling pin, and the drain electrode of the metal-oxide-semiconductor is connected with the described second detection pin, described
The source ground of metal-oxide-semiconductor.
4. the law-enforcing recorder according to claim any one of 1-3, it is characterised in that the second pin unit, is also wrapped
Include：
The first multiplexing being connected with the audio coding decoding module of the law-enforcing recorder or Mike's unit of the law-enforcing recorder
Pin, and audio coding decoding module or the loudspeaker unit of the law-enforcing recorder with the law-enforcing recorder be connected
Two multiplexing pins；
Wherein, first multiplexing pins, believe for the sound channel pin as earphone or the audio output of the law-enforcing recorder
Number pin；
Second multiplexing pins, for drawing as Mike's pin of earphone or the audio input signal of the law-enforcing recorder
Pin.
5. the law-enforcing recorder according to claim any one of 1-3, it is characterised in that the processing module, specifically for：
When the processor according to described first detection pin level signal, detect be connected with the law-enforcing recorder outside
When portion's equipment is intercom, according to the level signal of the described second detection pin, detect the intercom by saying that PTT buttons are
It is no to press.
6. the law-enforcing recorder according to claim any one of 1-3, it is characterised in that the processing module, specifically for：
When the processor according to described first detection pin level signal, detect be connected with the law-enforcing recorder outside
When portion's equipment is non-intercom, according to the level signal of the described second detection pin, what detection was connected with the law-enforcing recorder
Whether external equipment is earphone.
7. the law-enforcing recorder according to Claims 2 or 3, it is characterised in that the processing module, is additionally operable to：
When the PTT buttons for detecting the law-enforcing recorder are pressed, Mike's bias is opened, so that the Mike of the law-enforcing recorder
Words function is sent in unlatching.
8. law-enforcing recorder according to claim 5, it is characterised in that the processing module, specifically for：
According to the level signal of the described second detection pin, when the PTT buttons for detecting the intercom are pressed, Mike is opened inclined
Pressure, so that the Mike of the law-enforcing recorder, which opens, send words function.
9. the law-enforcing recorder according to claim any one of 1-3, it is characterised in that first pin units, is also wrapped
Include：
Power line VBUS pins and ground wire GND pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710525588.6A CN107315701B (en) | 2017-06-30 | 2017-06-30 | Law enforcement recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710525588.6A CN107315701B (en) | 2017-06-30 | 2017-06-30 | Law enforcement recorder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107315701A true CN107315701A (en) | 2017-11-03 |
| CN107315701B CN107315701B (en) | 2020-08-25 |
Family
ID=60181016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710525588.6A Active CN107315701B (en) | 2017-06-30 | 2017-06-30 | Law enforcement recorder |
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| Country | Link |
|---|---|
| CN (1) | CN107315701B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108874713A (en) * | 2018-05-31 | 2018-11-23 | 联想(北京)有限公司 | A kind of information processing method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101350989A (en) * | 2008-08-18 | 2009-01-21 | 嘉兴闻泰通讯科技有限公司 | Plug adapter for a mobile terminal |
| CN102546869A (en) * | 2012-01-06 | 2012-07-04 | 海能达通信股份有限公司 | USB (Universal Serial Bus) interface multiplexing interphone and control method thereof |
| CN103220499A (en) * | 2013-03-14 | 2013-07-24 | 惠州市恒诺实业有限公司 | Multifunctional video and audio recorder for one-policeman law enforcement |
| CN203167074U (en) * | 2013-01-11 | 2013-08-28 | 青岛海信移动通信技术股份有限公司 | Mobile terminal configured with reuse interface |
| CN104601962A (en) * | 2015-02-05 | 2015-05-06 | 深圳市星谷科技有限公司 | Audio/video transmission talkback system and method based on universal serial bus |
-
2017
- 2017-06-30 CN CN201710525588.6A patent/CN107315701B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101350989A (en) * | 2008-08-18 | 2009-01-21 | 嘉兴闻泰通讯科技有限公司 | Plug adapter for a mobile terminal |
| CN102546869A (en) * | 2012-01-06 | 2012-07-04 | 海能达通信股份有限公司 | USB (Universal Serial Bus) interface multiplexing interphone and control method thereof |
| CN203167074U (en) * | 2013-01-11 | 2013-08-28 | 青岛海信移动通信技术股份有限公司 | Mobile terminal configured with reuse interface |
| CN103220499A (en) * | 2013-03-14 | 2013-07-24 | 惠州市恒诺实业有限公司 | Multifunctional video and audio recorder for one-policeman law enforcement |
| CN104601962A (en) * | 2015-02-05 | 2015-05-06 | 深圳市星谷科技有限公司 | Audio/video transmission talkback system and method based on universal serial bus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108874713A (en) * | 2018-05-31 | 2018-11-23 | 联想(北京)有限公司 | A kind of information processing method and device |
| CN108874713B (en) * | 2018-05-31 | 2021-10-22 | 联想(北京)有限公司 | Information processing method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107315701B (en) | 2020-08-25 |
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Address after: 266071 Shandong city of Qingdao province Jiangxi City Road No. 11 Patentee after: Qingdao Hisense Mobile Communication Technology Co.,Ltd. Address before: 266071 Shandong city of Qingdao province Jiangxi City Road No. 11 Patentee before: HISENSE MOBILE COMMUNICATIONS TECHNOLOGY Co.,Ltd. |