CN2730053Y - Video telephone set combined with TV - Google Patents
Video telephone set combined with TV Download PDFInfo
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- CN2730053Y CN2730053Y CN 200420052433 CN200420052433U CN2730053Y CN 2730053 Y CN2730053 Y CN 2730053Y CN 200420052433 CN200420052433 CN 200420052433 CN 200420052433 U CN200420052433 U CN 200420052433U CN 2730053 Y CN2730053 Y CN 2730053Y
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Abstract
The utility model relates to a video telephone set combined with TV. The detection and the control of the TV is connected with the common I/O interface of the multimedia digital signal processor; an ROM FLASH and a random access memory SDRAM are connected with the bus and the control interface of the multimedia digital signal processor; a modem is connected with the serial interface of the multimedia digital signal processor; the VIDEOIN interface, the VIDEOOUT interface, the common I/O interface, the bus, the control interface and the serial interface of the multimedia digital signal processor are connected by the high speed data bus in the slice. The utility model can realize the video telephone set combined with TV after connecting with the public telephone net and the common telephone set, which can not only be arranged between the common telephone set and the TV but also be embedded in the TV, extending the functions of the TV. Through the resource sharing, the utility model has the advantages of decreasing cost, larger image, real color, automatic switchover and convenient operation, being widely used for the occasions of household, guesthouse, hospital, school, etc.
Description
Technical field the utility model relates to a kind of video telephone, specifically, is a kind of with the TV video telephone of television set as display unit.Belong to the multi-media communication technical field.
The existing video telephone product of background technology mainly contains following several types, one class is to be the video telephone of core with the PC, also dispose input/output units such as video camera (or small-sized image pickup head), microphone and loud speaker except that computer, its major defect is that the manufacturing use cost is higher.Another kind of is special-purpose video telephone, as one-piece type video telephone set, its display with flat ray picture tube and with ordinary flat ray picture tube (4-6 inch Liquid Crystal Module) as the video telephone set display, its image is little, distortion is big, cost is high, can't satisfy the visual demand that people improve day by day.The 3rd class is external TV set-top box, and such device is used TV AV port as terminal display, needs user's manual switchover state during its work, still be unrealized at present identification and control automatically, and it is still convenient inadequately to use.
The summary of the invention the purpose of this utility model is the deficiency that overcomes above-mentioned prior art and product, and provide a kind of TV video telephone, to be integrated in based on the video telephone function of PSTN in the television set, utilize television set as display terminal, and realize that video telephone shows and the automatic switchover of TV watching.
In order to achieve the above object, the utility model has adopted following technical scheme.
A kind of TV video telephone, comprise the multimedia digital signal processor, Video Decoder, camera, the television set Detection ﹠ Controling, telephone set, modulator-demodulator, random asccess memory SDRAM, read-only memory FLASH, video encoder is characterized in that: the analog video signal of camera collection is input to Video Decoder, the digital video signal output of Video Decoder, via VIDEO IN interface input multimedia digital signal processor, the digital video signal of multimedia digital signal processor output outputs to video encoder via VIDEO OUT interface, and video encoder output analog video signal is to the video processing circuit of television set; The television set Detection ﹠ Controling link to each other with the general purpose I/O interface of multimedia digital signal processor; Read-only memory FLASH links to each other with the bus and the control interface of multimedia digital signal processor with random asccess memory SDRAM; Modulator-demodulator is connected with the serial line interface of multimedia digital signal processor; Link to each other by the high speed data bus in the sheet between the VIDEO IN interface of multimedia digital signal processor, VIDEO OUT interface, general purpose I/O interface, bus and control interface, serial line interface.
The utility model is connected with public phone network, ordinary telephone set can realize the TV video telephone, it can be installed between ordinary telephone set and the television set, also can be embedded into television set inside, thereby expanded television function, make cost reduce significantly by resource-sharing, have that image is big, the genuine characteristics of color.And have automatic switchover, and easy to operate advantage can extensively be used in occasions such as family, hotel, hospital, schools, and promotional value is very huge.
Description of drawings Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the circuit theory diagrams of video digitizer circuit in the utility model.
Embodiment as shown in Figure 1, the utility model comprises multimedia digital signal processor 1, Video Decoder 2, camera 3, television set Detection ﹠ Controling 4, telephone set 6, modulator-demodulator 7, random asccess memory SDRAM 8, read-only memory FLASH 9, video encoder 10, the analog video signal that camera 3 is gathered is input to Video Decoder 2, the digital video signal output of Video Decoder 2, via VIDEO IN interface input multimedia digital signal processor 1, the digital video signal of multimedia digital signal processor 1 output outputs to video encoder 10 via VIDEO OUT interface, and video encoder 10 output analog video signals are to the video processing circuit of television set; Television set Detection ﹠ Controling 4 link to each other with the general purpose I/O interface of multimedia digital signal processor 1; Read-only memory FLASH 9 links to each other with the bus and the control interface of multimedia digital signal processor 1 with random asccess memory SDRAM 8; Modulator-demodulator 7 is connected with the serial line interface of multimedia digital signal processor 1; Link to each other by the high speed data bus in the sheet between the VIDEOIN interface of multimedia digital signal processor 1, VIDEO OUT interface, general purpose I/O interface, bus and control interface, serial line interface.
Effect of above each several part (function) and type selecting for example are respectively:
Multimedia digital signal processor 1: be the powerful multimedia processor dsp chip of specialty, finish and real-time video carried out functions such as input and output processing, compression of video data and decompression, data communication.TriMedia series DSP as Dutch Philips company.
Video Decoder 2: the vision signal of the NTSC/PAL system of sampled analog input, the video data of the YUV4:2:2 form of decoding output CCIR656, input DSP.SAA7113 chip as Dutch Philips company.
Camera 3: the collection of picture intelligence has the above general camera of 100,000 pixels.
Television set Detection ﹠ Controling 4: finish the detection of the standby/operating states such as start use to television set, and judge corresponding states by software, the infra-red code that the emission corresponding state switches is carried out the control to television set.
Telephone set 6: the external ordinary telephone set, realize call function.
Modulator-demodulator 7: adopt the single-chip type MODEM front end that embeds, finish the communication transmission and the reception of pictorial data
Random asccess memory SDRAM 8: the temporal data when storing the operation of processed video data stream and main program.
Read-only memory FLASH 9: all program files of storing this autonomous system.
Video encoder 10: with the digital of digital video data of the YUV4:2:2 form of CCIR656, the displayable analog video signal of coding output offers television set.
Narrate operation principle of the present utility model below.
User's off-hook is put through telephone set 6, calling has the phone of video telephone function, after modulator-demodulator 7 is shaken hands connection, multimedia digital signal processor 1 will carry out the software Real Time Compression by agreement H.263 from the dynamic image of camera 3 after the collection of digital video circuit, and the dynamic image after will compressing by modulator-demodulator 7 and local telephone 5 is transferred to the other side, and we's dynamic image also can show at we's television set AV simultaneously; Meanwhile, 1 pair of multimedia digital signal processor receives the other side's compression by modulator-demodulator 7 and local telephone 5 DID carries out the reduction of contracing of the real-time decompress(ion) of software by agreement H.263, be presented on we's the television set, thereby finish the transmission and the demonstration of visual image.
We's TV shows control: allow if television set is controlled when 1, the user is called, when multimedia digital signal processor 1 detects modulator-demodulator 7 and receives view data, according to current television set state of living in, launch corresponding infra-red code, finish control to television set.2, the other side's end of conversation, user's on-hook system disconnects the connection of modulator-demodulator 7, and simultaneity factor switches to the preceding operating state of conversation beginning with our television set.
Claims (1)
1, a kind of TV video telephone, comprise multimedia digital signal processor (1), Video Decoder (2), camera (3), television set Detection ﹠ Controling (4), telephone set (6), modulator-demodulator (7), random asccess memory SDRAM (8), read-only memory FLASH (9), video encoder (10) is characterized in that: the analog video signal that camera (3) is gathered is input to Video Decoder (2), the digital video signal output of Video Decoder (2), via VIDEO IN interface input multimedia digital signal processor (1), the digital video signal of multimedia digital signal processor (1) output outputs to video encoder (10) via VIDEO OUT interface, and video encoder (10) output analog video signal is to the video processing circuit of television set; Television set Detection ﹠ Controling (4) link to each other with the general purpose I/O interface of multimedia digital signal processor (1); Read-only memory FLASH (9) links to each other with the bus and the control interface of multimedia digital signal processor (1) with random asccess memory SDRAM (8); Modulator-demodulator (7) is connected with the serial line interface of multimedia digital signal processor (1); Link to each other by the high speed data bus in the sheet between the VIDEO IN interface of multimedia digital signal processor (1), VIDEO OUT interface, general purpose I/O interface, bus and control interface, serial line interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420052433 CN2730053Y (en) | 2004-07-21 | 2004-07-21 | Video telephone set combined with TV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420052433 CN2730053Y (en) | 2004-07-21 | 2004-07-21 | Video telephone set combined with TV |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2730053Y true CN2730053Y (en) | 2005-09-28 |
Family
ID=35048826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420052433 Expired - Fee Related CN2730053Y (en) | 2004-07-21 | 2004-07-21 | Video telephone set combined with TV |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2730053Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1921578B (en) * | 2006-09-01 | 2010-04-21 | 海信集团有限公司 | Storage space extending circuit and television within this extending circuit |
-
2004
- 2004-07-21 CN CN 200420052433 patent/CN2730053Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1921578B (en) * | 2006-09-01 | 2010-04-21 | 海信集团有限公司 | Storage space extending circuit and television within this extending circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANDONG JUNHUA ELECTRONIC SCIENCE CO., LTD. Free format text: FORMER OWNER: YANTAI SHIHUABAO SOFTWARE SCIENCE + TECHNOLOGY CO LTD Effective date: 20070803 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20070803 Address after: 265600 hi tech information industry city, Fushan District, Shandong City, Yantai Province Patentee after: Shandong Junhua Electronic Technology Co., Ltd. Address before: 440, room 3, building 32, Shandong, 264006, Zhujianglu Road, Yantai Development Zone, Sichuan Province Patentee before: Yantai Shihuabao Software Science & Technology Co Ltd |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050928 Termination date: 20120721 |