CN2938642Y - Interface equipment between signal source and broadcast equipment - Google Patents
Interface equipment between signal source and broadcast equipment Download PDFInfo
- Publication number
- CN2938642Y CN2938642Y CNU2005201212314U CN200520121231U CN2938642Y CN 2938642 Y CN2938642 Y CN 2938642Y CN U2005201212314 U CNU2005201212314 U CN U2005201212314U CN 200520121231 U CN200520121231 U CN 200520121231U CN 2938642 Y CN2938642 Y CN 2938642Y
- Authority
- CN
- China
- Prior art keywords
- pin
- line
- signal source
- tmds data
- plug
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- H04N5/775—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
- H04N21/43632—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wired protocol, e.g. IEEE 1394
Abstract
The utility model relates to an interface device between a signal source and a player, comprising a signal source device and a player. A plug-in unit and a plug are arranged on the signal source device and the player respectively. The connecting lines between the plug and the player circuit, between the plug and the plug-in unit comprise a DVI line, a power line, a sound signal line, an image signal line, a serial communication line and a casing shielding line, so that the signal source device detachably connected to the plug of the player via the plug-in unit is powered by the player and communicates with the player. The interface device supports the transmission of both digital and analog signals; by setting up a plug-in connection of the plug-in unit and the plug between the signal source and the player, the signal source can be modularized more easily.
Description
Technical field
The utility model relates to the interfacing of digital playing apparatus, specifically, relate to the interface equipment between a kind of signal source and the playback equipment, can be applicable to the interface equipment between signal sources such as analog television program, digital TV set-top box, DVD, DVB and IPTV and the A/V playback equipment.
Background technology
Tradition A/V signal and its playback equipment are realized interconnection by the S terminal of supporting analog signal, but under the trend of digital to television high speed development, this interface mode is not supported the transmission of digital television signal.Development along with the digital media play-back technology, various derived digital signals have appearred, as analog television program, digital TV set-top box, DVD, DVB and IPTV etc., and various signal sources are different with the interface between the playback equipment, and generally all meet different specification interface " Integrated Service Digital Network " mode and realize what signal transmitted by a double headed roller, make existing most of playback equipments (as television set) be provided with multiple different splicing ear to adapt to different signal sources for adapting to various signal sources, thereby cause numbers of terminals many, use inconvenient, the defective that cost of manufacture is high, and the interface equipment of this support digital data transmission analog signal transmission between compatible signal source and the playback equipment simultaneously, this is particularly unfavorable from the simulation-to-digital development gradually to Play System, is difficult to satisfy at short notice the demand of each aspect.
The utility model content
The technical problems to be solved in the utility model is, at the above-mentioned signal source device of prior art and the interface diversity between the playback equipment and the defective of compatible with digital signal and analog signal transmission simultaneously, provide a kind of and not only support analog signal transmission but also support the signal source of various digital data transmission and the interface equipment between the playback equipment.
The technical scheme that its technical problem that solves the utility model adopts is: construct the interface equipment between a kind of signal source and the playback equipment, comprise signal source device and playback equipment, the shell of signal source device is provided with plug-in unit, the signal source circuit line in this plug-in unit and the shell; The casing of playback equipment is provided with connector, between this connector and the playback equipment circuit be connected and this connector and described plug-in unit between be connected and comprise following line: DVI line, power supply line, voice signal line, picture signal line, serial communication line and housing shroud line, but make the signal source device that is connected with the connector plug of playback equipment by plug-in unit power by playback equipment and communicate with playback equipment.
In the interface equipment between above-mentioned signal source described in the utility model and playback equipment, described DVI line comprises TMDS data, DDC, clock signal and synchronizing signal splicing ear, described sound line comprises audio frequency ground, left audio frequency, right audio frequency terminal, and described picture signal line comprises R, G and the B terminal and the video ground terminal of video.
In the interface equipment between above-mentioned signal source described in the utility model and playback equipment, described DVI line, the power supply line, the voice signal line, the picture signal line, serial communication line and housing shroud line comprise following 31 lead-in wires or terminal: 1 pin+the 12V power supply, the DGND of 2 pin, the TMDS data D2-of 3 pin, the TMDS data D2+ of 4 pin, the TMDS data D4-of 5 pin, the TMDS data D4+ of 6 pin, the DDC clock of 7 pin, the DDC data of 8 pin, the TMDS data D1-of 9 pin, the TMDS data D1+ of 10 pin, the TMDS data D3-of 11 pin, the TMDS data D3+ of 12 pin, the hot-swappable detection of 13 pin, the TMDS data D0-of 14 pin, the TMDS data D0+ of 15 pin, the TMDS data D5-of 16 pin, the TMDS data D5+ of 17 pin, the TMDS data CLK+ of 18 pin, the TMDS data CLK-of 19 pin, the synchronous H.SYNC of the row of 20 pin, the field synchronization V.SYNC of 21 pin, the R of 22 pin, the G of 23 pin, the B of 24 pin, the VGND of 25 pin, the AUDIO_L of 26 pin, the AUDIO_R of 27 pin, the AGND of 28 pin, the RXD of 29 pin, the TXD of 30 pin, the PGND of 31 pin.
Implement the interface equipment between signal source described in the utility model and the playback equipment, have following beneficial effect:, make this interface equipment not only support digital data transmission but also support analog signal transmission by the DVI line is set in interface equipment; Be connected by the plug that plug-in unit and connector are set between signal source and playing device, make the easier realization modularization of signal source.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of the interface equipment between the utility model signal source and the playback equipment;
Fig. 2 is the interface equipment connector pin schematic diagram between the utility model signal source and the playback equipment.
Embodiment
As shown in Figure 1, among interface equipment first embodiment between the utility model signal source and playback equipment, comprise signal source device 10 and playback equipment 20, described signal source device can be digital signal source apparatus such as DVD signal source device, DVB signal source device and IP-TV signal source device, also can be traditional analog signal source apparatus.Described playing device 20 comprises casing 21, and the front of this casing 21 is high-resolution display screens, and the top, the back side of casing 21 is provided with and patches notch 22.Described signal source device 10 comprises shell 11, and the notch 22 that patches on these shell 11 shapes and described playback equipment 20 casings 21 adapts.Shell 11 tail ends of described signal source device 10 are provided with plug-in unit 12, and the signal source circuit in this plug-in unit 12 and signal source device 10 shells 11 is connected.The bottom land that patches notch 22 of described playback equipment 20 is provided with the connector 23 that matches with above-mentioned plug-in unit 12, and this connector 23 is connected with playing circuit in being arranged on playback equipment 20 casings 21.But the plug of described signal source device 10 by described plug-in unit 12 and connector 23 is connected from playback equipment 20 and obtains power supplys and communicate with this playback equipment.Thereby, different signal sources can be designed to describedly patch that notch is 22 that match, rectangle casket body with same dimensions or box or card, the unified interface of employing, can realize the split pattern blocking of unlike signal source apparatus easily.
For realizing the plug into flexibility of facility and expansion of signal source device and playback equipment, interface between signal source described in the utility model and the playback equipment is based on DVI (Digital Visual Interface, the abbreviation of " digital visual interface ", this interface is by Intel, Silicon Image, Compaq, Fujitsu Limited, Hewlett-Packard Company, IBM, companies such as NEC propose) standard and increased power supply, analogue audio frequency, analog video, signals such as serial communication make can be connected by this interface mutually between signal source device and the playback equipment.This interface equipment is coming the audio frequency and video numeral outputting standard of signals specification source apparatus with dvi standard with dvi standard when, standard connects signal source device and be fixed on the back side of playback equipment then as the input interface of the television set of playback equipment with the form of slot.
Specifically, in the preferred embodiment of the interface equipment between signal source device described in the utility model and playback equipment, the plug-in unit 12 of described signal source device 10 and the circuit connection of the signal source in the signal source device shell comprise DVI line, power supply line, voice signal line, picture signal line, serial communication line and housing shroud line.Described playback equipment 20 patches the connector 23 at notch 22 places and the playing circuit line in this playback equipment 20 casings 21, and corresponding with the line between plug-in unit 12 and the internal signal source circuit in the above-mentioned signal source device 10, also comprise DVI line, power supply line, voice signal line, picture signal line, serial communication line and housing shroud line.
In the utility model signal source as shown in Figure 2 and the connector pin schematic diagram of the interface equipment preferred embodiment between the playback equipment, above-mentioned plug-in unit 12 and connector 23 are equipped with 31 splicing ears.Concrete each terminal is carefully stated as follows:
Among Fig. 2, the 1st, 31 pin of plug-in unit and connector are power supply line terminal, comprise by playback equipment provide+12V or+power supply terminal of 5V power supply and the power supply shield terminal of double as shell ground terminal, each pin specifies as follows:
1.+12V (or 5V, provide by playback equipment)
(31.POWER-GND the shell ground of holding concurrently)
The 2nd～21 pin is the line terminal that dvi standard uses among Fig. 2, shared TMDS data mask terminal, DDC splicing ear, TMDS clock signal splicing ear and the synchronizing signal splicing ear of splicing ear, each passage that comprises TMDS data 6 passages is used for transmission of digital signals.Each pin specifies as follows:
2.TMDS data GND
3.TMDS data D2-
4.TMDS data D2+
5.TMDS data D4-
6.TMDS data D4+
7.DDC clock line
8.DDC data wire
9.TMDS data D1-
10.TMDS data D1+
11.TMDS data D3-
12 TMDS data D3+
13. hot plug end of probe
14.TMDS data D0-
15.TMDS data D0+
16.TMDS data D5-
17.TMDS data D5+
18.TMDS?CLK+
19.TMDS?CLK-
20.H.SYNC
21.V.SYNC
Other pin are audio connection and video trace and other line terminals, are mainly used to transmission of analogue signal.Each pin specifies as follows:
22. simulation red primary R
23. simulation green primary G
24. simulation blue primary B
25. analog video ground VGND
26. audio frequency left side AUDIO_L
27. the right AUDIO_R of audio frequency
28. audio frequency ground AGND
29.RXD
30.TXD
In the above-mentioned interface equipment,, then above-mentioned part pin can be modified as follows if when each terminal of video trace is used for transmitting the YUV analog video signal:
2. power supply shields POWER GND
20. keep READY
21.TMDS data GND
22.Y-component vide brightness
23.U-component vide aberration 1
24.V-component vide aberration 2
31. shell ground
So, interface equipment described in the utility model is set between signal source and playback equipment, can supports various different digital audio/video signal transmission, also support existing ubiquitous simulation audio/video signal transmission.
Claims (3)
1, the interface equipment between a kind of signal source and the playback equipment comprises signal source device and playback equipment, it is characterized in that, the shell of signal source device is provided with plug-in unit, the signal source circuit line in this plug-in unit and the shell; The casing of playback equipment is provided with connector, line between line between this connector and the playback equipment circuit and this connector and the described plug-in unit comprises following line: DVI line, power supply line, voice signal line, picture signal line, serial communication line and housing shroud line, but make the signal source device that is connected with the connector plug of playback equipment by plug-in unit communicate by the playback equipment power supply and with playback equipment.
2, according to the interface equipment between described signal source of claim 1 and the playback equipment, it is characterized in that, the DVI line comprises TMDS data, DDC, clock signal and synchronizing signal splicing ear, described sound line comprises audio frequency ground, left audio frequency, right audio frequency terminal, and described picture signal line comprises R, G and the B terminal and the video ground terminal of video.
3, according to the interface equipment between described signal source of claim 2 and the playback equipment, it is characterized in that, described DVI line, the power supply line, the voice signal line, the picture signal line, serial communication line and housing shroud line comprise following 31 lead-in wires or terminal: 1 pin+the 12V power supply, the DGND of 2 pin, the TMDS data D2-of 3 pin, the TMDS data D2+ of 4 pin, the TMDS data D4-of 5 pin, the TMDS data D4+ of 6 pin, the DDC clock of 7 pin, the DDC data of 8 pin, the TMDS data D1-of 9 pin, the TMDS data D1+ of 10 pin, the TMDS data D3-of 11 pin, the TMDS data D3+ of 12 pin, the hot-swappable detection of 13 pin, the TMDS data DO-of 14 pin, the TMDS data DO+ of 15 pin, the TMDS data D5-of 16 pin, the TMDS data D5+ of 17 pin, the TMDS data CLK+ of 18 pin, the TMDS data CLK-of 19 pin, the synchronous H.SYNC of the row of 20 pin, the field synchronization V.SYNC of 21 pin, the R of 22 pin, the G of 23 pin, the B of 24 pin, the VGND of 25 pin, the AUDIO_L of 26 pin, the AUDIO_R of 27 pin, the AGND of 28 pin, the RXD of 29 pin, the TXD of 30 pin, the PGND of 31 pin.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201212314U CN2938642Y (en) | 2005-12-23 | 2005-12-23 | Interface equipment between signal source and broadcast equipment |
| PCT/CN2006/002831 WO2007071149A1 (en) | 2005-12-23 | 2006-10-23 | Interfacing method and apparatus between signal sources and playback device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201212314U CN2938642Y (en) | 2005-12-23 | 2005-12-23 | Interface equipment between signal source and broadcast equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2938642Y true CN2938642Y (en) | 2007-08-22 |
Family
ID=38188268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005201212314U Expired - Fee Related CN2938642Y (en) | 2005-12-23 | 2005-12-23 | Interface equipment between signal source and broadcast equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN2938642Y (en) |
| WO (1) | WO2007071149A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010075687A1 (en) * | 2009-01-03 | 2010-07-08 | 海尔集团公司 | Tv function expansion component using gold finger connector |
| CN101442640B (en) * | 2007-11-23 | 2011-05-11 | 瑞昱半导体股份有限公司 | Signal receiving circuit suitable for various digital video and audio transmission interfaces |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2521849Y (en) * | 2002-01-22 | 2002-11-20 | 深圳市成博数码科技发展有限公司 | Digital machine top box with VGA interface |
| CN2586265Y (en) * | 2002-12-18 | 2003-11-12 | 周建开 | Multimedia signal commutator |
| KR100524046B1 (en) * | 2003-01-11 | 2005-10-27 | 삼성전자주식회사 | Combination system for selectly switching A/V signal inputted each A/V signal receiving apparatus and control method thereof |
| CN100411422C (en) * | 2004-09-13 | 2008-08-13 | 威盛电子股份有限公司 | Input-output regulating device and method of audio-visual system |
-
2005
- 2005-12-23 CN CNU2005201212314U patent/CN2938642Y/en not_active Expired - Fee Related
-
2006
- 2006-10-23 WO PCT/CN2006/002831 patent/WO2007071149A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101442640B (en) * | 2007-11-23 | 2011-05-11 | 瑞昱半导体股份有限公司 | Signal receiving circuit suitable for various digital video and audio transmission interfaces |
| WO2010075687A1 (en) * | 2009-01-03 | 2010-07-08 | 海尔集团公司 | Tv function expansion component using gold finger connector |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007071149A1 (en) | 2007-06-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hengyang sea Microelectronics Technology Co., Ltd. Assignor: Xing Lin Contract record no.: 2011440020138 Denomination of utility model: Interface equipment between signal source and broadcast equipment Granted publication date: 20070822 License type: Common License Record date: 20110503 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070822 Termination date: 20121223 |