CN107451080A - A kind of compound interface - Google Patents
A kind of compound interface Download PDFInfo
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- CN107451080A CN107451080A CN201610378198.6A CN201610378198A CN107451080A CN 107451080 A CN107451080 A CN 107451080A CN 201610378198 A CN201610378198 A CN 201610378198A CN 107451080 A CN107451080 A CN 107451080A
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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
- G06F13/40—Bus structure
- G06F13/4004—Coupling between buses
- G06F13/4009—Coupling between buses with data restructuring
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Abstract
The present invention relates to hardware interface technology field, more particularly to a kind of compound interface, for connecting master chip and terminal device interface, it is characterised in that including controller, the first multiplex bus and the first multiplexing pins；The controller is connected by first multiplex bus with first multiplexing pins；First multiplexing pins are used to be connected with the terminal device interface；Wherein, the first main control signal transmission channel between the controller and the master chip, and the second main control signal transmission channel multiplexing first multiplex bus between the terminal device interface and the master chip.In embodiments of the present invention, the bus shared by one group of main control signal transmission channel can be saved, simplifies bus structures, avoids the occurrence of the situation of bus waste, while the quantity of corresponding pin can also be saved, realizes the compound of interface.
Description
Technical field
The present invention relates to hardware interface technology field, more particularly to a kind of compound interface.
Background technology
Need to carry out wired connection by connecting interface between two hardware devices.For example, master chip with terminal device
When interface connects, it will usually a connecting interface is set between master chip and terminal device interface, can be built by connecting interface
Vertical correspondence between terminal device and master chip.When connecting interface connects from different terminal device interfaces, connection connects
The signal transmission passage in intraoral portion, which often exists, to be repeated, and the bus structures in the connecting interface thus designed are complicated, and always
The bus that function repeats in cable architecture will cause to waste.
The content of the invention
In view of the above problems, it is proposed that the present invention so as to provide one kind overcome above mentioned problem or at least in part solve on
State the compound interface of problem.
The embodiments of the invention provide a kind of compound interface, for connecting master chip and terminal device interface, including control
Device, the first multiplex bus and the first multiplexing pins；
The controller is connected by first multiplex bus with first multiplexing pins；
First multiplexing pins are used to be connected with the terminal device interface；
Wherein, the first main control signal transmission channel between the controller and the master chip, and the terminal
The second main control signal transmission channel between equipment interface and the master chip is multiplexed first multiplex bus.
Preferably, first multiplex bus is IC bus.
Preferably, the IC bus includes integrated circuit clock signal wire and integrated circuit data signal wire.
Preferably, in addition to multi-media signal switch, the second multiplex bus and the second multiplexing pins；
The controller is connected by second multiplex bus with one end of the multi-media signal switch；
The other end of the multi-media signal switch is connected with second multiplexing pins；
Second multiplexing pins are used to be connected with the terminal device interface；
Wherein, the multi-media signal between the controller and the compound interface each terminal device interface to be connected
Transmission channel is multiplexed second multiplex bus, and the multi-media signal transmission channel is entered by the multi-media signal switch
Row switching.
Preferably, the multi-media signal transmission channel includes video signal transmission passage and/or audio signal transmission is led to
Road.
Preferably, when the multi-media signal transmission channel is the video signal transmission passage, second multiplexing
Bus includes R channel signals line, G channel signals line and channel B signal wire.
Preferably, when the multi-media signal transmission channel is the audio signal transmission passage, second multiplexing
Bus includes audio left channel signals line and audio right-channel signals line.
Preferably, when the multi-media signal transmission channel includes the video signal transmission passage and the audio signal
During transmission channel, second multiplex bus includes R channel signals line, G channel signals line, channel B signal wire, audio L channel
Signal wire and audio right-channel signals line.
Preferably, when the multi-media signal transmission channel includes the video signal transmission passage and the audio signal
During transmission channel, the compound interface includes multiple multi-media signal switch；
Wherein, described in one group of the video signal transmission channel multiplexing between the controller and each terminal device interface
Two multiplex bus, second described in one group of audio signal transmission channel multiplexing between the controller and each terminal device interface
Multiplex bus；
The video signal transmission passage and the audio signal transmission passage are cut by different multi-media signals respectively
Parallel operation switches over.
Preferably, in addition to mono signal bus and mono signal pin；
The controller is connected by the mono signal bus with the mono signal pin, the mono signal bus corresponding one
Individual signal transmission passage.
One or more of embodiment of the present invention technical scheme, has at least the following technical effects or advantages：
In embodiments of the present invention, the first main control signal transmission channel of the controller of compound interface is treated with compound interface
Second main control signal transmission channel of the terminal device interface of connection is multiplexed the first multiplex bus in compound interface, so as to
The bus shared by one group of main control signal transmission channel is enough saved, simplifies bus structures, avoids the occurrence of the situation of bus waste,
The quantity of pin, realizes the compound of interface can also save simultaneously corresponding to.
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 required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of structural representation of compound interface in embodiments of the invention；
Fig. 2 is the schematic diagram of pin configuration in embodiments of the invention.
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
Part of the 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.
The embodiment of the present invention provides a kind of compound interface, and the compound interface is used to master chip and terminal device being connected to
Together, so as to realizing being in communication with each other between master chip and terminal device.As shown in figure 1, including controller, the first multiplex bus
With the first multiplexing pins.Controller is connected by the first multiplex bus with the first multiplexing pins, and the first multiplexing pins are used for and end
End equipment interface connects, wherein, the first main control signal transmission channel between controller and master chip, and terminal device connect
The second main control signal transmission channel between mouth and master chip is multiplexed the first multiplex bus.Master between controller and master chip
Control signal is transmitted by the first main control signal passage, and the main control signal between terminal device interface and master chip leads to
Cross the second main control signal passage to be transmitted, the first main control signal transmission channel of controller and the of terminal device interface
Two main control signal transmission channels are multiplexed the first multiplex bus.Wherein, the first multiplex bus is integrated circuit (Inter-
Integrated Circuit, IIC) bus, iic bus includes integrated circuit clock signal wire and integrated circuit data signal
Line.In addition, controller can select 80C51 single-chip microcomputers, terminal device interface can be computer (Personal Computer,
PC) interface, so as to 80C51 single-chip microcomputers and PC interface duplex iic bus.
In embodiments of the present invention, the first main control signal transmission channel of the controller of compound interface is treated with compound interface
Second main control signal transmission channel of the terminal device interface of connection is multiplexed the first multiplex bus in compound interface, so as to
The bus shared by one group of main control signal transmission channel is enough saved, simplifies bus structures, avoids the occurrence of the situation of bus waste,
The quantity of pin, realizes the compound of interface can also save simultaneously corresponding to.
Further, the compound interface in the embodiment of the present invention also include multi-media signal switch, the second multiplex bus and
Second multiplexing pins.Controller is connected by the second multiplex bus with one end of multi-media signal switch.Multi-media signal is cut
The other end of parallel operation is connected with the second multiplexing pins, and the second multiplexing pins are connected with terminal device interface.Controller connects with compound
Multi-media signal transmission channel between mouth each terminal device interface to be connected is multiplexed the second multiplex bus, multi-media signal
Transmission channel is switched over by the multi-media signal switch.
Specifically, when compound interface includes multiple terminal device interfaces to be connected, each terminal device interface and control
A multi-media signal transmission channel between device processed be present, all multi-media signal transmission channels in compound interface are multiplexed one group
Multiplex bus, i.e. the second multiplex bus, controller is connected by the second multiplex bus with one end of multi-media signal switch, more
The other end of media signal switch is connected by multiple second multiplexing pins with multiple terminal devices interface respectively, compound interface
In multiple multi-media signal transmission channels switched over by multi-media signal switch.
In embodiments of the present invention, multi-media signal transmission channel includes video signal transmission passage and/or audio signal
Transmission channel.The multi-media signal transmission channel for belonging to same type in compound interface is multiplexed one group of second multiplex bus.It is for example, multiple
Splice grafting mouth is connected with first terminal equipment interface and second terminal equipment interface, in the first scenario, compound interface and first
Multi-media signal transmission channel between terminal device interface is the first video signal transmission passage, compound interface and second terminal
Multi-media signal transmission channel between equipment interface is the second video signal transmission passage, then the first video signal transmission passage
With one group of second multiplex bus of the second video signal transmission channel multiplexing.
Further, when multi-media signal transmission channel includes video signal transmission passage and audio signal transmission passage,
One group of second multiplex bus of video signal transmission channel multiplexing between controller and each terminal device interface, controller with it is each
Another group of the second multiplex bus of audio signal transmission channel multiplexing between individual terminal device interface.For example, in second of situation
Under, the multi-media signal transmission channel between compound interface and first terminal equipment interface includes the first video signal transmission passage
With the first audio signal transmission passage, the multi-media signal transmission channel between compound interface and second terminal equipment interface includes
Second video signal transmission passage and the second audio signal transmission passage, then, and the first video signal transmission passage and the second video
Signal transmission passage is multiplexed one group of second multiplex bus, and the first audio signal transmission passage and the second audio signal transmission passage are answered
With another group of the second multiplex bus, two the second multiplex bus are included so as to which compound interface is interior.
Further, when multi-media signal transmission channel includes video signal transmission passage and audio signal transmission passage,
Compound interface includes multiple multi-media signal switch, and video signal transmission passage and audio signal transmission passage be not respectively by
Same multi-media signal switch switches over.For example, in above-mentioned second of situation, two multimedias are included in compound interface
Signal shifter, i.e. the first multi-media signal switch and the second multi-media signal switch, controller are multiple by one group second
It is connected with bus with one end of the first multi-media signal switch, the other end of the first multi-media signal switch passes through one group
Two multiplexing pins are connected with first terminal equipment interface and second terminal equipment interface, using the first multimedia switch to first
Video signal transmission passage and the second video signal transmission passage switch over, to realize to first terminal equipment interface and second
The switching control of the video program source of terminal device interface, controller are believed by another group of the second multiplex bus and the second multimedia
One end of number switch is connected, and the other end of the second multi-media signal switch passes through one group of second multiplexing pins and first terminal
Equipment interface is connected with second terminal equipment interface, using the second multimedia switch to the first audio signal transmission passage and
Two audio signal transmission passages switch over, to realize to first terminal equipment interface and the audio section of second terminal equipment interface
The switching control in mesh source.
In embodiments of the present invention, when multi-media signal transmission channel is video signal transmission passage, the second multiplexing is total
Line includes R channel signals line, G channel signals line and channel B signal wire.When multi-media signal transmission channel is audio signal transmission
During passage, the second multiplex bus includes audio left channel signals line and audio right-channel signals line.When multi-media signal transmission is logical
When road includes video signal transmission passage and audio signal transmission passage, the second multiplex bus includes R channel signals line, G passages
Signal wire, channel B signal wire, audio left channel signals line and audio right-channel signals line.
In embodiments of the present invention, the terminal device interface being connected with compound interface can also be audio-visual devices (Audio＆
Video, AV) interface, earphone (Head Phone, HP) interface or SCART interfaces.When terminal device interface is that PC interfaces, AV connect
When mouth or SCART interfaces, multi-media signal transmission channel between terminal device interface and controller be present.Generally, in connection,
It is the relation being substituted for each other between SCART interfaces and AV interfaces, therefore, for PC interfaces, AV interfaces and SCART interfaces,
PC interfaces and AC interfaces can be connected with compound interface simultaneously, and PC interfaces and SCART interfaces can be connected with compound interface simultaneously,
But be not in compound interface while access the situation of SCART interfaces and AV interfaces.
Specifically, PC interfaces, AV interfaces and SCART interfaces with controller when being connected, both comprising video signal transmission
Passage includes audio signal transmission passage again, when PC interfaces and AV interfaces are connected with compound interface simultaneously, PC interfaces and control
Video signal transmission passage between device, and one group second of video signal transmission channel multiplexing between AC Interface and Controler
Multiplex bus, the audio signal transmission passage between PC Interface and Controler, and the audio letter between AC Interface and Controler
Number transmission channel is multiplexed another group of the second multiplex bus.When PC interfaces and SCART interfaces are connected with compound interface simultaneously, PC connects
Video signal transmission passage between mouth and controller, and the video signal transmission passage between SCART Interface and Controler
It is multiplexed one group of second multiplex bus, the audio signal transmission passage between PC Interface and Controler, and SCART interfaces and control
Another group of the second multiplex bus of audio signal transmission channel multiplexing between device.
In embodiments of the present invention, compound interface also includes mono signal bus and mono signal pin, and controller passes through single letter
Number bus is connected with mono signal pin, the corresponding signal transmission passage of mono signal bus.When terminal device interface is HP interfaces
When, HP interfaces are connected with mono signal pin, and the signal transmission passage between HP Interface and Controler is mono signal transmission channel.
The present invention is multiplexed multiple multi-media signals between controller and terminal device interface by the second multiplex bus
Transmission channel, the bus that the multi-media signal transmission channel of same type takes can be saved, further simplifies bus structures, avoids
There is the situation that bus wastes, while can also save the quantity of corresponding pin.
It should be noted that in the present invention, the quantity of the first multiplexing pins and the signal included in the first multiplex bus
The quantity of line is identical, and equally, the quantity of signal wire of the quantity of the second multiplexing pins with being included in the second multiplex bus is identical, single
The quantity of signal wire of the signal pins with being included in mono signal bus is identical.
Based on the compound interface of the present invention, the embodiment of the present invention also provides pin configuration corresponding to a kind of compound interface, institute
Stating pin configuration includes first group of pin, second group of pin and the 3rd group of pin, wherein, first group of pin, second group of pin and
The distributing position schematic diagram of 3rd group of pin on circuit boards, referring to Fig. 2.
Specifically, first group of pin, second group of pin and the 3rd group of pin include arranging in alignment seven
Pin, 2mm is spaced between two adjacent pins in seven pins.Where straight line, second group of pin where first group of pin
Straight line and the 3rd group of pin where straight line be parallel to each other, and, second group of pin is located at first group of pin and the 3rd group of pin
Between, each pin in first group of pin and the 3rd group of pin is using the straight line where second group of pin as symmetrical axial symmetry.First
First pin of first pin and second group pin of the group pin from first end from the second end and second pin it
Between form equilateral triangle, the first end of first group of pin and the second end of second group of pin are located at homonymy.
The present invention can not only individually connect PC by providing the pin configuration with above-mentioned pin layout, the pin configuration
Either interface in interface, AV interfaces, SCART interfaces and HP interfaces, PC interfaces, SCART interfaces and HP can also be connected simultaneously
Interface, or PC interfaces, AV interfaces and HP interfaces are connected simultaneously.
In embodiments of the present invention, define the pin included in first group of pin and the 1st pin is followed successively by from first end extremely
7th pin, the pin included in second group of pin are followed successively by the 8th pin to the 14th pin from the second end, in the 3rd group of pin
Comprising pin be followed successively by the 15th pin to the 21st pin from the 3rd end corresponding to the 3rd end corresponding with first end, first group
The first end of pin, the second end, the 3rd end of the 3rd group of pin of second group of pin are located at homonymy, referring to Fig. 2.
Further, it is general in above-mentioned 21 pins to draw for PC interfaces, AV interfaces, SCART interfaces and HP interfaces
Pin is：1st pin and the 8th pin are defined as power pins, the 7th pin is defined as IC bus clock signal and drawn
Pin, the 9th pin and the 14th pin are defined as grounding pin, and the 16th pin is IC bus data signal pin.
When the terminal device interface to be connected of compound interface includes HP interfaces, PC interfaces and SCART interfaces, the 1st draws
Pin to the 21st pin be defined as successively power pins (B5V), video input pin (Video_in), audio L channel input draw
Pin (Audio_Lin), SCART L channels output pin (Scart_Lout), line synchronising signal pin (H_SYNC), the left sound of earphone
Road pin (HP_L), IC bus Clock Signal pin (IIC_SCL), power pins (B5V), grounding pin (GND),
SCART quickly-blankings pin (Scart_FB), empty pin (NC), field sync signal pin (V_SYNC), earphone right channel pin
(HP_R), grounding pin (GND), SCART video frequency outputs pin (Scart_Video_out), IC bus data-signal
Pin (IIC_SDA), SCART R channels output pin (Scart_Rout), audio R channel input pin (Audio_Rin), R
Passage pin (R), G passages pin (B), channel B pin (G).Wherein, SCART quickly-blankings pin be SCART CVBS,
RGB, CVBS add the test side of RGB three kinds of display patterns of superposition.
When the terminal device interface to be connected of compound interface includes HP interfaces, PC interfaces and AV interfaces, the 1st pin is extremely
21st pin be defined as successively B5V, Video_in, Audio_Lin, NC, H_SYNC, HP_L, IIC_SCL, B5V, GND, NC,
NC、V_SYNC、HP_R、GND、NC、IIC_SDA、NC、Audio_Rin、R、G、B。
Except it is above-mentioned while connect the first situation of HP, PC and SCART interface, and connect HP, PC and AV simultaneously
Second of situation of interface, the terminal device interface that compound interface can connect in the embodiment of the present invention also include：Only connect HP
Interface, PC interfaces are only connected, only connect SCART interfaces, only connect AV interfaces, while connect HP interfaces and PC interfaces, connected simultaneously
HP interfaces and SCART interfaces are connect, while connects HP interfaces and AV interfaces.Under above-mentioned different situations, respectively drawing in pin configuration
Pin can be traveled through according to table 1 below to realize the definition to pin：
Table 1
In embodiments of the present invention, interface shells are shaped as isosceles trapezoid, the upper bottom of isosceles trapezoid and first group of pin
It is parallel, and, the spacing between upper bottom and first group of pin is 2mm, the spacing between the bottom of isosceles trapezoid and the 3rd group of pin
For 2mm.
In embodiments of the present invention, the 3rd pin is defined as audio L channel input pin, and the 7th pin is defined as collecting
Into circuit bus Clock Signal pin, the 16th pin is defined as IC bus data signal pin, and the 18th pin is determined
Justice is audio R channel input pin, and the 19th pin is defined as R passage pins, and the 20th pin is defined as G passages pin,
21 pins are defined as channel B pin, and above-mentioned pin is multiplexing pins.
In this application, high frequency content signal is arranged in first group of pin and/or the 3rd group of pin, not by high frequency
Amount signal is arranged in second group of pin, is reduced power supply and the risk of IIC crosstalks and signal cross (talk), is played and first group is drawn
The protective effect of pin and the signal in the 3rd group of pin.
One or more of embodiment of the present invention technical scheme, has at least the following technical effects or advantages：
In embodiments of the present invention, the first main control signal transmission channel of the controller of compound interface is treated with compound interface
Second main control signal transmission channel of the terminal device interface of connection is multiplexed the first multiplex bus in compound interface, so as to
The bus shared by one group of main control signal transmission channel is enough saved, simplifies bus structures, avoids the occurrence of the situation of bus waste,
The quantity of pin, realizes the compound of interface can also save simultaneously corresponding to.
Further, the present invention is multiplexed multiple more matchmakers between controller and terminal device interface by the second multiplex bus
Body signal transmission passage, the bus that the multi-media signal transmission channel of same type takes can be saved, further simplifies total knot
Structure, avoids the occurrence of the situation of bus waste, while can also save the quantity of corresponding pin.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and modification to these embodiments.So appended claims be intended to be construed to include it is excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of compound interface, for connecting master chip and terminal device interface, it is characterised in that answered including controller, first
With bus and the first multiplexing pins；
The controller is connected by first multiplex bus with first multiplexing pins；
First multiplexing pins are used to be connected with the terminal device interface；
Wherein, the first main control signal transmission channel between the controller and the master chip, and the terminal device
The second main control signal transmission channel between interface and the master chip is multiplexed first multiplex bus.
2. compound interface as claimed in claim 1, it is characterised in that first multiplex bus is IC bus.
3. compound interface as claimed in claim 2, it is characterised in that the IC bus is believed including integrated circuit clock
Number line and integrated circuit data signal wire.
4. compound interface as claimed in claim 1, it is characterised in that also total including multi-media signal switch, the second multiplexing
Line and the second multiplexing pins；
The controller is connected by second multiplex bus with one end of the multi-media signal switch；
The other end of the multi-media signal switch is connected with second multiplexing pins；
Second multiplexing pins are used to be connected with the terminal device interface；
Wherein, the multi-media signal between the controller and the compound interface each terminal device interface to be connected transmits
Second multiplex bus described in channel multiplexing, the multi-media signal transmission channel are cut by the multi-media signal switch
Change.
5. compound interface as claimed in claim 4, it is characterised in that the multi-media signal transmission channel includes vision signal
Transmission channel and/or audio signal transmission passage.
6. compound interface as claimed in claim 5, it is characterised in that when the multi-media signal transmission channel is the video
During signal transmission passage, second multiplex bus includes R channel signals line, G channel signals line and channel B signal wire.
7. compound interface as claimed in claim 5, it is characterised in that when the multi-media signal transmission channel is the audio
During signal transmission passage, second multiplex bus includes audio left channel signals line and audio right-channel signals line.
8. compound interface as claimed in claim 5, it is characterised in that when the multi-media signal transmission channel includes described regard
When frequency signal transmission passage and the audio signal transmission passage, second multiplex bus includes R channel signals line, G passages
Signal wire, channel B signal wire, audio left channel signals line and audio right-channel signals line.
9. compound interface as claimed in claim 5, it is characterised in that when the multi-media signal transmission channel includes described regard
When frequency signal transmission passage and the audio signal transmission passage, the compound interface includes multiple multi-media signal switchings
Device；
Wherein, it is second multiple described in one group of the video signal transmission channel multiplexing between the controller and each terminal device interface
With bus, the second multiplexing described in one group of audio signal transmission channel multiplexing between the controller and each terminal device interface
Bus；
The video signal transmission passage and the audio signal transmission passage pass through different multi-media signal switch respectively
Switch over.
10. compound interface as claimed in claim 1, it is characterised in that also including mono signal bus and mono signal pin；
The controller is connected by the mono signal bus with the mono signal pin, the corresponding letter of the mono signal bus
Number transmission channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610378198.6A CN107451080A (en) | 2016-05-31 | 2016-05-31 | A kind of compound interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610378198.6A CN107451080A (en) | 2016-05-31 | 2016-05-31 | A kind of compound interface |
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|---|---|
| CN107451080A true CN107451080A (en) | 2017-12-08 |
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|---|---|---|---|
| CN201610378198.6A Pending CN107451080A (en) | 2016-05-31 | 2016-05-31 | A kind of compound interface |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108874713A (en) * | 2018-05-31 | 2018-11-23 | 联想(北京)有限公司 | A kind of information processing method and device |
| CN110225289A (en) * | 2019-05-14 | 2019-09-10 | 视联动力信息技术股份有限公司 | A kind of conference terminal and interface signal conversion method |
| CN110248285A (en) * | 2019-06-18 | 2019-09-17 | 昆腾微电子股份有限公司 | Multichannel audio equipment |
| CN114579491A (en) * | 2022-01-28 | 2022-06-03 | 新华三技术有限公司合肥分公司 | Integrated circuit bus multiplexing device and network equipment |
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| CN203658996U (en) * | 2014-01-16 | 2014-06-18 | 青岛海信移动通信技术股份有限公司 | Chip interface multiplex circuit and mobile terminal |
| CN204539303U (en) * | 2015-03-18 | 2015-08-05 | 深圳创维－Rgb电子有限公司 | HDMI (High Definition Multimedia Interface) with multiplexing function and television set |
| CN105573946A (en) * | 2016-03-01 | 2016-05-11 | 广东欧珀移动通信有限公司 | Universal serial bus interface sharing method and device |
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| CN203444464U (en) * | 2013-08-30 | 2014-02-19 | 深圳天鹏盛电子有限公司 | Intelligent terminal device |
| CN203658996U (en) * | 2014-01-16 | 2014-06-18 | 青岛海信移动通信技术股份有限公司 | Chip interface multiplex circuit and mobile terminal |
| CN204539303U (en) * | 2015-03-18 | 2015-08-05 | 深圳创维－Rgb电子有限公司 | HDMI (High Definition Multimedia Interface) with multiplexing function and television set |
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| 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 |
| CN110225289A (en) * | 2019-05-14 | 2019-09-10 | 视联动力信息技术股份有限公司 | A kind of conference terminal and interface signal conversion method |
| CN110248285A (en) * | 2019-06-18 | 2019-09-17 | 昆腾微电子股份有限公司 | Multichannel audio equipment |
| CN114579491A (en) * | 2022-01-28 | 2022-06-03 | 新华三技术有限公司合肥分公司 | Integrated circuit bus multiplexing device and network equipment |
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Application publication date: 20171208 |
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