CN206948486U - Video input interface and encoder - Google Patents
Video input interface and encoder Download PDFInfo
- Publication number
- CN206948486U CN206948486U CN201720838263.9U CN201720838263U CN206948486U CN 206948486 U CN206948486 U CN 206948486U CN 201720838263 U CN201720838263 U CN 201720838263U CN 206948486 U CN206948486 U CN 206948486U
- Authority
- CN
- China
- Prior art keywords
- signal
- data
- signals
- input
- interfaces
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Analogue/Digital Conversion (AREA)
Abstract
The utility model provides a kind of video input interface and encoder, and the video input interface includes：Multiple data-interfaces, each data-interface receive a kind of following input signal：Sdi signal, HDMI signals, YPbPr signals, VGA signals, CVBS signals, and the resolution ratio of input signal is any, signal adapter receives the input signal of each data-interface transmission, converts input signals into the data signal of BT1120 agreements；Data signal is carried out conversion of resolution by resolution converter, obtains echo signal, so that encoder body carries out coding-control to echo signal.Video input interface in the utility model can realize the reception of 5 kinds of varying input signals simultaneously, 5 kinds of varying input signals are handled, obtain the data signal of resolution ratio identical BT1120 agreements, compatibility is good during video input, cost is low, alleviates the compatible low and high technical problem of cost as caused by multiple devices realize varying input signal coding in the prior art.
Description
Technical field
The technical field of electronic equipment is the utility model is related to, more particularly, to a kind of video input interface and encoder.
Background technology
In recent years, video coding and decoding technology be widely used to Web TV, radio and television, digital camera, long-distance education,
Multiple industries such as video conferencing.The development trend of coding and decoding video to web development, support multiple format code capacity into
For one of key, in addition, lattice are carried out to the video flowing based on different coding standard, different frame rates, different resolution
The ability of formula conversion is another critical capability.At present, encoded product generally only has a type of input interface, some products
Two kinds or three kinds of different types of input interfaces may be included.
In present encoded product, the input interface of typically one or two kinds of types, but work as some video conferences
When needing a variety of different types of input signals, it is necessary to which more different types of equipment could be realized, so not only result in
The problem of compatible low between more products, it can also cause the problem of construction is complicated, cost is higher.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of video input interface and encoder, existing to alleviate
The compatibility as caused by multiple devices could realize various varying input signal codings is low in technology and construction is complicated and cost is high
Technical problem.
In a first aspect, the utility model embodiment provides a kind of video input interface, including：Signal processor and resolution
Rate converter, wherein, the signal processor includes signal receiver and signal adapter, and the signal receiver, described
Signal adapter and the resolution converter are sequentially connected, and the resolution converter is connected with encoder body, the letter
Number receiver and the signal adapter are integrated in the first chip；
The signal receiver includes multiple data-interfaces, wherein, each data-interface is used to receive a following type
Input signal：Sdi signal, HDMI signals, YPbPr signals, VGA signals, CVBS signals, and the resolution ratio of the input signal
Arbitrarily；
The signal adapter is connected with each data-interface, for receiving the institute of each data-interface transmission
Input signal is stated, and the input signal is converted into the data signal of BT1120 agreements；
The resolution converter is used to the data signal of the BT1120 agreements carrying out conversion of resolution, obtains target
Signal, so that the encoder body carries out coding-control to the echo signal, wherein, the number of each BT1120 agreements
The resolution ratio of the echo signal is identical corresponding to word signal.
With reference in a first aspect, the utility model embodiment provides the first possible embodiment of first aspect, its
In, first chip includes：GS2971 chips and ADV7441 chips.
With reference in a first aspect, the utility model embodiment provides second of possible embodiment of first aspect, its
In, the GS2971 chips include SDI data-interfaces, and the SDI data-interfaces are the sdi signal for reception signal type
Input signal.
With reference in a first aspect, the utility model embodiment provides the third possible embodiment of first aspect, its
In, the ADV7441 chips include：HDMI data-interfaces, YPbPr data-interfaces, VGA data-interfaces, CVBS data-interfaces；
HDMI data-interfaces are used for the input signal that reception signal type is the HDMI signals, wherein, the HDMI letters
Number it is high-definition digital signal；
YPbPr data-interfaces are used for the input signal that reception signal type is the YPbPr signals, wherein, the YPbPr
Signal is high definition analog signal；
VGA data-interfaces are used for the input signal that reception signal type is the VGA signals, wherein, the VGA signals are
High definition analog signal；
CVBS data-interfaces are used for the input signal that reception signal type is the CVBS signals, wherein, the CVBS letters
Number it is SD analog signal.
With reference in a first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect, its
In, when first chip is the GS2971 chips, the serial sdi signal is converted into parallel by first chip
BT1120 agreements data signal.
With reference in a first aspect, the utility model embodiment provides the 5th kind of possible embodiment of first aspect, its
In, when first chip is the ADV7441 chips, first chip is by the HDMI signals, the YPbPr signals,
The VGA signals and the CVBS signals are converted into the data signal of the BT1120 agreements.
With reference in a first aspect, the utility model embodiment provides the 6th kind of possible embodiment of first aspect, its
In, the resolution converter is integrated in the second chip.
With reference in a first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect, its
In, second chip is MDIN380 chips.
Second aspect, the utility model embodiment additionally provide a kind of encoder, including：Described in above-mentioned first aspect
Video input interface, in addition to encoder body, wherein, the video input interface is connected with the encoder body.
With reference to second aspect, the utility model embodiment provides the first possible embodiment of second aspect, its
In, the encoder also includes audio input interface, wherein, the audio input interface is connected with the encoder body.
The utility model embodiment brings following beneficial effect：The utility model embodiment provides a kind of video input
Interface and encoder, the video input interface include：Signal processor and resolution converter, wherein, signal processor includes
Signal receiver and signal adapter, and signal receiver, signal adapter and resolution converter are sequentially connected, and resolution ratio turns
Parallel operation is connected with encoder body, and signal receiver and signal adapter are integrated in the first chip；Signal receiver includes more
Individual data-interface, wherein, each data-interface is used to receive following a type of input signal：Sdi signal, HDMI signals,
YPbPr signals, VGA signals, CVBS signals, and the resolution ratio of input signal is any；Signal adapter connects with each data-interface
Connect, for receiving the input signal of each data-interface transmission, and convert input signals into the data signal of BT1120 agreements；
Resolution converter is used to the data signal of BT1120 agreements carrying out conversion of resolution, echo signal is obtained, so that encoder
Body carries out coding-control to echo signal, wherein, the resolution of echo signal corresponding to the data signal of each BT1120 agreements
Rate is identical.
In existing encoder, the video input interface of typically only one or two kinds of types, but work as some video councils
When view needs a variety of different types of input signals, it is necessary to which more different types of equipment could be realized.With in the prior art
Video input interface compare, the video input interface in the utility model embodiment can pass through more numbers of signal receiver
A variety of input signals are received simultaneously according to interface, are specifically as follows sdi signal, HDMI signals, YPbPr signals, VGA signals and CVBS
Signal, the resolution ratio of these input signals is arbitrary resolution, and then, signal adapter receives the defeated of each data-interface transmission
Enter signal, and the input signal is converted into the data signal of BT1120 agreements, and then, resolution converter is to BT1120 agreements
Data signal carry out conversion of resolution, obtain echo signal, the echo signal is the BT1120 agreements with equal resolution
Data signal so that encoder body to echo signal carry out coding-control.Video input in the utility model embodiment
Interface can realize the reception of 5 kinds of varying input signals simultaneously, and 5 kinds of varying input signals are handled, and be had
The data signal of the BT1120 agreements of equal resolution, the video input interface is more convenient when carrying out video input, compatible
Property it is good, simple in construction, cost is low, and alleviating could realize that various varying input signals coding is made by multiple devices in the prior art
Into compatible low and construction is complicated and the high technical problem of cost.
Other feature and advantage of the present utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is realized and obtained in book, claims and accompanying drawing.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation for video input interface that the utility model embodiment provides；
Fig. 2 is the structural representation for another video input interface that the utility model embodiment provides；
Fig. 3 is the course of work schematic diagram for the video input interface that the utility model embodiment provides；
Fig. 4 is the structural representation of the video input interface that the utility model embodiment provides and video output interface.
Icon：
11- signal processors；12- resolution converters；111- signal receivers；112- signal adapters.
Embodiment
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with accompanying drawing to this
The technical scheme of utility model is clearly and completely described, it is clear that described embodiment is that the utility model part is real
Apply example, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, belong to the scope of the utility model protection.
For ease of understanding the present embodiment, a kind of video input disclosed in the utility model embodiment is connect first
Mouth describes in detail.
Embodiment one：
A kind of video input interface, with reference to figure 1, including：Signal processor 11 and resolution converter 12, wherein, signal
Processor 11 includes signal receiver 111 and signal adapter 112, and signal receiver, signal adapter and conversion of resolution
Device is sequentially connected, and resolution converter is connected with encoder body, and signal receiver and signal adapter are integrated in the first chip
In；
Signal receiver includes multiple data-interfaces, wherein, each data-interface is following a type of defeated for receiving
Enter signal：Sdi signal, HDMI signals, YPbPr signals, VGA signals, CVBS signals, and the resolution ratio of input signal is any；
Signal adapter is connected with each data-interface, for receiving the input signal of each data-interface transmission, and will
Input signal is converted into the data signal of BT1120 agreements；
Resolution converter is used to the data signal of BT1120 agreements carrying out conversion of resolution, obtains echo signal, with
Encoder body is set to carry out coding-control to echo signal, wherein, target corresponding to the data signal of each BT1120 agreements is believed
Number resolution ratio it is identical.
In the utility model embodiment, signal receiver includes multiple data-interfaces, and each data-interface can receive
A type of input signal.Wherein, input signal includes sdi signal, HDMI signals, YPbPr signals, VGA signals and CVBS
Signal.
Sdi signal is the signal of SDI interfaces output, specially serial digital signal；
The signal that HDMI signals export for HDMI, HDMI (High Definition Multimedia
Interface, abbreviation HDMI) interface is HDMI, HDMI signals are specially high-definition digital signal；
YPbPr signals are specially high definition analog signal；
VGA signals are specially high definition analog signal；
CVBS signals are specially SD analog signal.
After receiving an input signal, input signal is transmitted will be defeated to signal adapter, signal adapter for data-interface
Enter the data signal that signal is converted into BT1120 agreements, because the resolution ratio of input signal is different, it is converted to
The data signal of BT1120 agreements has different resolution ratio.
And then resolution converter carries out conversion of resolution to the data signal of BT1120 agreements, obtains echo signal, with
Encoder body is set to carry out coding-control to echo signal, wherein, target corresponding to the data signal of each BT1120 agreements is believed
Number resolution ratio it is identical, it is, echo signal be the BT1120 agreements with equal resolution data signal.
In existing encoder, the video input interface of typically only one or two kinds of types, but work as some video councils
When view needs a variety of different types of input signals, it is necessary to which more different types of equipment could be realized.With in the prior art
Video input interface compare, the video input interface in the utility model embodiment can pass through more numbers of signal receiver
A variety of input signals are received simultaneously according to interface, are specifically as follows sdi signal, HDMI signals, YPbPr signals, VGA signals and CVBS
Signal, the resolution ratio of these input signals is arbitrary resolution, and then, signal adapter receives the defeated of each data-interface transmission
Enter signal, and the input signal is converted into the data signal of BT1120 agreements, and then, resolution converter is to BT1120 agreements
Data signal carry out conversion of resolution, obtain echo signal, the echo signal is the BT1120 agreements with equal resolution
Data signal so that encoder body to echo signal carry out coding-control.Video input in the utility model embodiment
Interface can realize the reception of 5 kinds of varying input signals simultaneously, and 5 kinds of varying input signals are handled, and be had
The data signal of the BT1120 agreements of equal resolution, the video input interface is more convenient when carrying out video input, compatible
Property it is good, simple in construction, cost is low, and alleviating could realize that various varying input signals coding is made by multiple devices in the prior art
Into compatible low and construction is complicated and the high technical problem of cost.
Further, include with reference to figure 2, the first chip：GS2971 chips and ADV7441 chips.
GS2971 chips and ADV7441 chips are chips present in prior art, in this utility model embodiment pair
It no longer describes in detail.
Further, with reference to figure 2, GS2971 chips include SDI data-interfaces, and SDI data-interfaces are used for reception signal class
Type is the input signal of sdi signal.
When the first chip is GS2971 chips, serial sdi signal is converted into parallel BT1120 and assisted by the first chip
The data signal of view.
Specifically, after SDI data-interfaces receive sdi signal, signal adapter in GS2971 chips is by serial SDI
Signal is converted into the data signal of parallel BT1120 agreements.
Further, include with reference to figure 2, ADV7441 chips：HDMI data-interfaces, YPbPr data-interfaces, VGA data connect
Mouthful, CVBS data-interfaces；
HDMI data-interfaces are used for the input signal that reception signal type is HDMI signals, wherein, HDMI signals are high definition
Data signal；
YPbPr data-interfaces are used for the input signal that reception signal type is YPbPr signals, wherein, YPbPr signals are height
Clear analog signal；
VGA data-interfaces are used for the input signal that reception signal type is VGA signals, wherein, VGA signals are simulated for high definition
Signal；
CVBS data-interfaces are used for the input signal that reception signal type is CVBS signals, wherein, CVBS signals are SD
Analog signal.
When first chip is ADV7441 chips, the first chip believes HDMI signals, YPbPr signals, VGA signals and CVBS
Number it is converted into the data signal of BT1120 agreements.
Specifically, after HDMI data-interfaces receive HDMI signals, the signal adapter in ADV7441 chips believes HDMI
Number (that is, high-definition digital signal) is converted into the data signal of BT1120 agreements；
After YPbPr data-interfaces receive YPbPr signals, signal adapter in ADV7441 chips is by YPbPr signals
(that is, high definition analog signal) is converted into the data signal of BT1120 agreements；
After VGA data-interfaces receive VGA signals, signal adapter in ADV7441 chips is by VGA signal (that is, high definitions
Analog signal) it is converted into the data signal of BT1120 agreements；
After CVBS data-interfaces receive CVBS signals, the signal adapter in ADV7441 chips by CVBS signals (i.e.,
SD analog signal) it is converted into the data signal of BT1120 agreements.
Further, with reference to figure 2, resolution converter is integrated in the second chip.
Specifically, the second chip is MDIN380 chips.
The course of work of video input interface is simply introduced below, multiple data-interfaces pair in signal receiver
Different input signals are received, and then, different input signals is converted into the numeral of BT1120 agreements by data converter
Signal, finally, conversion of resolution is carried out to the data signal of BT1120 agreements by resolution converter, obtains resolution ratio identical
The data signal of BT1120 agreements.
Specifically, with reference to figure 3, GS2971 chips receive sdi signal, and serial sdi signal are converted into parallel
The data signal of BT1120 agreements；And ADV7441 chips receive HDMI signals, YPbPr signals, VGA signals and CVBS signals, and
By HDMI signals (that is, high-definition digital signal), YPbPr signals (that is, high definition analog signal), VGA signals (that is, high definition simulation letter
Number) and CVBS signals (that is, SD analog signal) be converted into the data signal of BT1120 agreements, finally, MDIN380 chips pair
The data signal of BT1120 agreements carries out conversion of resolution, obtains the data signal of resolution ratio identical BT1120 agreements, and will
The digital data transmission of resolution ratio identical BT1120 agreements is to encoder body.
Fig. 4 is the structural representation of video input interface and video output interface.
In summary, the video input interface in the utility model embodiment has the following advantages that：
1st, the input signal of 5 types can be received simultaneously, be specially：Sdi signal, HDMI signals, YPbPr signals, VGA
Signal and CVBS signals；
2nd, can receive simultaneously the sdi signal of different resolution form, HDMI signals, YPbPr signals, VGA signals and
CVBS signals；
The 3rd, the input signal of different type and different resolution can be changed into the BT1120 associations with fixed resolution
The data signal of view；
4th, simple in construction, compatibility is good, and cost is low.
Embodiment two：
The utility model embodiment additionally provides a kind of encoder, and the encoder includes：Above-mentioned video input interface, is also wrapped
Encoder body is included, wherein, video input interface is connected with encoder body.
Specifically, number of the encoder body in the BT1120 agreements for the fixed resolution for receiving video input interface transmission
After word signal, coding-control is carried out to the data signal of the BT1120 agreements of fixed resolution.
Further, encoder also includes audio input interface, wherein, audio input interface is connected with encoder body.
In addition, in the description of the utility model embodiment, unless otherwise clearly defined and limited, term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can
To be the connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the utility model.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
Finally it should be noted that：Embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical scheme of utility model, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to foregoing
The utility model is described in detail embodiment, it will be understood by those within the art that：It is any to be familiar with this skill
For the technical staff in art field in the technical scope that the utility model discloses, it still can be to the skill described in previous embodiment
Art scheme is modified or can readily occurred in change, or carries out equivalent substitution to which part technical characteristic；And these modifications,
Change is replaced, and the essence of appropriate technical solution is departed from the spirit and model of the utility model embodiment technical scheme
Enclose, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model described should be wanted with right
The protection domain asked is defined.
Claims (10)
- A kind of 1. video input interface, it is characterised in that including：Signal processor and resolution converter, wherein, the signal Processor includes signal receiver and signal adapter, and the signal receiver, the signal adapter and the resolution ratio Converter is sequentially connected, and the resolution converter is connected with encoder body, the signal receiver and signal conversion Device is integrated in the first chip；The signal receiver includes multiple data-interfaces, wherein, each data-interface is following a type of defeated for receiving Enter signal：Sdi signal, HDMI signals, YPbPr signals, VGA signals, CVBS signals, and the resolution ratio of the input signal are appointed Meaning；The signal adapter is connected with each data-interface, for receiving the described defeated of each data-interface transmission Enter signal, and the input signal is converted into the data signal of BT1120 agreements；The resolution converter is used to the data signal of the BT1120 agreements carrying out conversion of resolution, obtains target letter Number, so that the encoder body carries out coding-control to the echo signal, wherein, the numeral of each BT1120 agreements The resolution ratio of the echo signal is identical corresponding to signal.
- 2. input interface according to claim 1, it is characterised in that first chip includes：GS2971 chips and ADV7441 chips.
- 3. input interface according to claim 2, it is characterised in that the GS2971 chips include SDI data-interfaces, institute State SDI data-interfaces and be used for the input signal that reception signal type is the sdi signal.
- 4. input interface according to claim 2, it is characterised in that the ADV7441 chips include：HDMI data connect Mouthful, YPbPr data-interfaces, VGA data-interfaces, CVBS data-interfaces；HDMI data-interfaces are used for the input signal that reception signal type is the HDMI signals, wherein, the HDMI signals are High-definition digital signal；YPbPr data-interfaces are used for the input signal that reception signal type is the YPbPr signals, wherein, the YPbPr signals For high definition analog signal；VGA data-interfaces are used for the input signal that reception signal type is the VGA signals, wherein, the VGA signals are high definition Analog signal；CVBS data-interfaces are used for the input signal that reception signal type is the CVBS signals, wherein, the CVBS signals are SD analog signal.
- 5. input interface according to claim 3, it is characterised in that when first chip is the GS2971 chips When, the serial sdi signal is converted into the data signal of parallel BT1120 agreements by first chip.
- 6. input interface according to claim 4, it is characterised in that when first chip is the ADV7441 chips, First chip is by the HDMI signals, the YPbPr signals, and the VGA signals and the CVBS signals are converted into described The data signal of BT1120 agreements.
- 7. input interface according to claim 1, it is characterised in that the resolution converter is integrated in the second chip In.
- 8. input interface according to claim 7, it is characterised in that second chip is MDIN380 chips.
- 9. a kind of encoder, it is characterised in that the encoder includes the video any one of the claims 1 to 8 Input interface, in addition to encoder body, wherein, the video input interface is connected with the encoder body.
- 10. encoder according to claim 9, it is characterised in that the encoder also includes audio input interface, its In, the audio input interface is connected with the encoder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720838263.9U CN206948486U (en) | 2017-07-11 | 2017-07-11 | Video input interface and encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720838263.9U CN206948486U (en) | 2017-07-11 | 2017-07-11 | Video input interface and encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206948486U true CN206948486U (en) | 2018-01-30 |
Family
ID=61369128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720838263.9U Active CN206948486U (en) | 2017-07-11 | 2017-07-11 | Video input interface and encoder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206948486U (en) |
-
2017
- 2017-07-11 CN CN201720838263.9U patent/CN206948486U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206908729U (en) | A kind of TYPE C turn the signal conversion line of DP interfaces | |
| CN101420572B (en) | Implementing method for function of DP interface and television set | |
| EP2833348A1 (en) | Multiple-format multimedia interface module | |
| CN106303298A (en) | A kind of video signal output circuit structure, electronic equipment, terminal and system | |
| CN206948486U (en) | Video input interface and encoder | |
| CN206948487U (en) | Video output interface, decoder and codec | |
| CN103531977B (en) | Data transmission line | |
| CN203039795U (en) | Audio/video play device and adaptor thereof | |
| CN206181267U (en) | Many interfaces projecting apparatus | |
| CN202475679U (en) | Set top box capable of being connected with display equipment with HDMI interface | |
| CN202395871U (en) | Device capable of converting digital interactive interface for video and audio (DiiVA) signal into high definition multimedia interface (HDMI) signal | |
| CN201440701U (en) | Base pillar of television | |
| CN206650769U (en) | The device of single network cable transmission high definition HDMI signals | |
| CN206471079U (en) | A kind of liquid crystal-spliced board with network decoding and hybrid matrix function | |
| CN203574792U (en) | Audio and video transmission circuit and audio and video transmission system as well as audio and video output equipment | |
| CN102572361B (en) | High-resolution remote video transmitting and encoding equipment | |
| CN203827450U (en) | Display device and display system | |
| CN202524497U (en) | Converter for video signal formats | |
| CN102761723A (en) | MHL (Mobile High-Definition Link) detection device and charge power supply management method of digital multimedia receiving device | |
| CN210431641U (en) | HDMI audio/video signal conversion system | |
| CN204993622U (en) | Image processing device and display device | |
| CN201114500Y (en) | A TV set with side DP interface | |
| CN202334728U (en) | Bi-directional electrical tuner with internal modem | |
| CN216217225U (en) | Multimedia system based on high-definition signal all-in-one machine for analog cable transmission | |
| CN211718886U (en) | Core circuit board and application system based on same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |