CN2407535Y - High resolution TV set for specific pictures - Google Patents
High resolution TV set for specific pictures Download PDFInfo
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- CN2407535Y CN2407535Y CN 99245736 CN99245736U CN2407535Y CN 2407535 Y CN2407535 Y CN 2407535Y CN 99245736 CN99245736 CN 99245736 CN 99245736 U CN99245736 U CN 99245736U CN 2407535 Y CN2407535 Y CN 2407535Y
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Abstract
The utility model relates to the field of color television image display. On the basis of the existing television, an image decompressor 2 is increased and is respectively connected with an increased program, an image data memory 3, a dynamic data memory 4 and a video digital-to-analog converter 1. A remote control microprocessor 7 which has the function and the performance of the television and control action sends out instruction to the image decompressor 2, and stored programs and high definition images of the image data memory 3 are displayed out on a screen. The entertainment of the television is added to make a picture displayed more vividly, and simultaneously the utility model is used as background display. Trichroism electron guns all work to overcome the phenomenon that a monochromatic background makes white balance misadjusted.
Description
The utility model television set relates to video screen and shows the field, specifically refers to a kind of television set that shows specific high-definition image on screen.
Existing color television set is to be used for receiving the inactive component of handling TV station or other media signal, self can not store any image information and broadcast.When no TV signal,, show with color background usually and cover up for fear of video noise on screen, occurring.Therefore have only Monocolour electron gun the time in work, the result of long-term accumulation is that certain primary colours electron gun electron emission ability descends, the white balance imbalance, and colour cast appears in picture, and reduced the useful life of color television set.
The television set that shows specific high-definition image is provided to provide on a kind of screen the utility model purpose, can allow user storage and show the high-definition image of oneself liking, the useful life of improving color television set simultaneously on screen.
For achieving the above object, the utility model television set also contains except that comprising that conventional image receives processing and waits the circuit:
Program and image data memory are used to deposit program and image compression data, and the every width of cloth of image compression data is data organization unit with the image, deposits by designated store address and zone;
A dynamic data storage device is used to store, export the DID of compression;
An image decompressor, be connected with program and image data memory, dynamic data storage device respectively, be used for the compressing image data of program and image data memory specify image is sent in the dynamic data storage device, decompressing then obtains DID;
A video dac links to each other with described image decompressor, is used to receive the image decompressor decompression and obtains DID, converts the composite video signal or the brightness/chrominance signal of image to, and outputs in the audio/video signal selecting switch;
The remote control microprocessor that has television set function, Properties Control effect concurrently is given an order to image decompressor and video dac by control bus according to call instruction; Image decompressor obtains view data from program and image data memory, send video dac to be converted to image video signal after the decompression; Through the audio/video signal selecting switch, picture signal is delivered in the video signal decoder, exports R, G, B signal at last, is presented on the screen after amplifying.
TV user is sent the corresponding call instruction of encoding of required display frame by button on remote controller or the machine, and the remote control microprocessor MCU in the television set gives an order to image decompressor and video dac according to the instruction of calling; Image decompressor obtains view data from program and video memory, send video dac to be converted to image video signal after the decompression, behind the audio/video signal selecting switch, picture signal is delivered in the video signal decoder and is decoded, export R, G, B signal at last, after amplifying, restore former figure and be presented on the screen, so just realized the demonstration of high-definition image.
When the remote control microprocessor MCU in the color television set detects no TV programme signal automatically, just send and call idsplay order, memory image is shown, avoided the operating state of single electron gun like this, thereby improved the useful life of color television set.
The image that the remote control microprocessor MCU software of television set is carried out the user shows the call operation order, send the order of calling graph picture demonstration and the code of image to image decompressor, the load mode of order and code can be diversified, decides on concrete hardware system.The mode of operation of video dac also is to be provided with by remote control microprocessor MCU software.Image decompressor can be mpeg standard decompressor or JEPG.The control signal of remote control microprocessor MCU output audio/video signal selecting switch, select the composite video signal or the brightness/chrominance signal of video dac output, deliver in the video signal decoder and decode, the output primary colour signal send picture tube to show after processing and amplifying, restores original specific high-definition image.
Adopt the utility model television set, when the television set no signal, when perhaps the user wants to appreciate, but display resolution is the picture of 576 * 480 or 720 * 576 pixels on television screen, and these pictures can be the individual portraits liked of user, commemorate picture, scenic spot picture, the worship of idols etc.Can make the specific high-definition image of colour TV screen display on the one hand, increase the recreational of television set, it is lively that picture is shown; The HD image that also can make TV user select the individual to like shows on video screen; Simultaneously, also solved television set and shown the television set problem in useful life that influences because of monochrome.
Below in conjunction with accompanying drawing the utility model television set is described in further detail.
Fig. 1 is that main circuit theory diagram Fig. 2 of the utility model television set is that the circuit signal catenation principle block diagram 3 of the utility model television set embodiment 1 is that the circuit theory diagrams Fig. 4 of empty frame part among Fig. 2 is that the circuit signal catenation principle block diagram 5 of the utility model television set embodiment 2 is that the circuit theory diagrams Fig. 6 of empty frame part among Fig. 4 is that the circuit signal catenation principle block diagram 7 of the utility model television set embodiment 3 is circuit theory diagrams of empty frame part among Fig. 6
In Fig. 1～7, the mark implication is: 1 video dac; 2 image decompressor; 3 programs and image data memory; 4 dynamic data storage devices; 5 sub-processors; 6 audio/video signal selecting switch; 7 remote control microprocessor MCU; 8 infrared remote receivers; 9 remote controllers; 10 video signal decoders; 11 amplifying circuits; 12 scan drive circuits; 13 picture tubes; 14 tuners; 15 sound accompaniment processors; 16 audio power amplifiers; 17 power supplys.
Part among Fig. 1 in the frame of broken lines promptly is the circuit part that the utility model television set increases newly, and frame of broken lines is outward that television signal is handled the custom circuit part, and newly-increased circuit comprises:
Program and image data memory 3 are used to deposit program and image compression data, and image compression data is a data organization unit with every width of cloth image, deposits by designated store address and zone;
A dynamic data storage device 4 is used to store, export the DID of compression;
An image decompressor 2, be connected with program and image data memory 3, dynamic data storage device 4 respectively, be used for the compressing image data of program and image data memory 3 specify images is sent in the dynamic data storage device 4, decompressing then obtains DID;
A video dac 1, link to each other with described image decompressor 2, be used to receive image decompressor 2 decompressions and obtain DID, convert the composite video signal or the brightness/chrominance signal of image to, and output in the audio/video signal selecting switch 6;
The remote control microprocessor 7 that has television set function, Properties Control effect concurrently is given an order to image decompressor 2 and video dac 1 by control bus according to call instruction; Image decompressor 2 obtains view data from program and image data memory 4, send video dac 1 to be converted to image video signal after the decompression; Through audio/video signal selecting switch 6, picture signal is delivered in video signal decoder 10 decodings, exports R, G, B signal at last, is presented on the screen after amplifying.
Send idsplay order the user, when perhaps not having TV signal, remote control microprocessor MCU in the television set gives an order to image decompressor 2 and video dac 1 according to call instruction, the decompress(ion) output image, on screen, show, so just realize the demonstration of high-definition image, improved The Service Life of Television.
As shown in Figure 2, remote control microprocessor MCU7 realizes by Serial Control bus (IIC-BUS) the control of image decompressor 2 and video dac 1.When remote control microprocessor MCU7 receives the call instruction that is sent by infrared remote-control emitter or detects no signal, at first export a control level, connect the power supply of whole decompression circuit at its power supply control pin.Decompression circuit is stable in power supply, after system reset and the initialization, go up serial in Serial Control bus (IIC-BUS) and export one group of control data to remote control microprocessor MCU7, comprising initial address, the end address of each sub-picture that will decompress in program and image data memory 3.Remote control microprocessor MCU7 output starts decompressed instruction and gives image decompressor 2, and the output services pattern is provided with order and gives video dac 1.The control level of output high definition picture signal gating on the respective pin of remote control microprocessor MCU7, the composite video signal of selecting video dac 1 output is in 6 outputs of audio/video signal selecting switch.Image decompressor 2 obtains instructing and given image storage initial address and end address, with the parallel bus of program and image data memory 3 on the initial address of output image storage, from program and image data memory 3, read the view data of compression, be sent to the appointed area in the dynamic data storage device 4, up to the packed data of entire image all is sent in the dynamic data storage device 4.Decompress then, recover raw image data, leave another appointed area in the dynamic data storage device 4 in.After image decompressor 2 is finished decompression, code requirement according to videoblankingsync, read view data line by line again from dynamic data storage 4, the parallel video dac 1 that is transported to is through video dac 1 conversion output analog composite composite video signal.Audio/video signal selecting switch 6 is selected compound composite video signal and is sent video signal decoder 10 decodings under the control of logic level, solves primary colour signal RGB and row-field scanning signal, reappears high-definition screen on video screen.Video signal decoder 10 also is to be controlled by remote control microprocessor MCU7.
Fig. 3 is the circuit theory diagrams of empty frame part among Fig. 2, i.e. the electrical schematic diagram of invention part.Image decompressor 2 adopts the decoding chip CL484 of C-CUBE company, dynamic data storage device 4 adopts dynamic data storage chip UPD424260, program and image data memory 3 adopt electrically programmable read-write storage chip 27C040, the video analog-digital chip SAA7121 of the Dutch PHILIPS of video dac 1 employing company.Decoding chip CL484 data data/address bus MA0 MA9 is connected successively with the corresponding data bus A0 A8 of dynamic data storage chip UPD424260, the corresponding data bus A0 A9 of electrically programmable read-write storage chip 27C040 respectively, be that MA0 links to each other with A0, MA1 links to each other with A1, MA2 links to each other with A2, other and the like.Address bus MD0 MD15 is connected successively with corresponding bus IO1 IO16, corresponding bus I/O0 I/O7, the A10 A16 of electrically programmable read-write storage chip 27C040, the NC of 30 pin of dynamic data storage device chip UPD424260 respectively.Decoding chip CL484 /LCAS end and/the LCASI end connects together ,/UCAS end and/the UCASI end connects together, and with the RAS0 end ,/the MWE end be connected respectively to dynamic data storage chip UPD424260 /LCAS ,/UCAS ,/RAS ,/the WE end.Decoding chip CL484 /MCE0 end ,/the LCAS end and/link of LCASI end holds with CE end, the PGM of electrically programmable read-write storage chip 27C040 respectively and links to each other.The output of decoding chip CL484 parallel image data VD3, VD4, VD5, VD6, VD7, VD14, VD15, VD16 end link to each other with MP (2), MP (3), MP (4), MP (5), MP (6), MP (0), MP (1), the MP (7) of video analog-digital chip SAA7121 respectively, VSYN, HSYN link to each other with RCV1, RCV2 respectively, and VCLK links to each other with XCLK, LLC.20,1,6 three VCC ends of dynamic data storage chip UPD424260 link to each other with power supply VCC, and 40,35,21 3 ground are held, reached the OE end and link to each other with power supply ground.VCC, the VPP end of electrically programmable read-write storage chip 27C040 links to each other with power supply VCC, and OE, VSS link to each other with ground.21,22,29,49,65,77,81,98,110,112,7 pin of decoding chip CL484 are 3.3 volts of power inputs, with HOST_E, ROM_EN ,/TEST is continuous with 3.3 volts power supplys, 43,123 power supply VCC link to each other, 10,16,18,38,46,73,85,90,100,102,125,58 pin are held with being, link to each other with power supply ground with/VOE, the required 40MHZ that decodes, 16.934MHZ clock signal are imported from 19,111 pin.31,28,25,36,17,6,39 pin of video analog-digital chip SAA7121 link to each other with power supply VCC, 32,33,21,19,18,3,2,5,38 link to each other with ground, and the 27MHZ clock signal is imported from 35 pin.
From serial control signal SCL, the SDA of remote control microprocessor MCU7, link to each other with decoding chip CL484, video dac respectively.At this moment, parallel port control end HD (1) the HD (7) of decoding chip CL484 ,/DACK, R/W ,/DS, HSEL0, HSEL1, HSEL2, RESET do not use.The vision signal that solves outputs to audio/video signal selecting switch 6 by the CVBS end of video analog-digital chip SAA7121, through video signal decoder 10 decodings, solve primary colour signal RGB and row-field scanning signal, on video screen, reappear high-definition image at last.
Signal processing shown in Figure 4 and annexation are applicable to the more situation of remote control microprocessor MCU7 pin.Its difference is that with embodiment 1 part the control command of image decompressor 2 and data are to export by the parallel port of remote control microprocessor MCU7, and the control of video dac 1 is still by Serial Control bus (IIC-BUS) and realizes.
Fig. 5 is the circuit theory diagrams of empty frame part among Fig. 4, Serial Control end SCL, the SDA of decoding chip CL484 do not use, parallel port control end HD (1) the HD (7) of remote control microprocessor MCU7 by decoding chip CL484 ,/DACK, R/W ,/decoding of DS, HSEL0, HSEL1, HSEL2, RESET control chart picture.
Scheme shown in Figure 6 has been expanded a sub-processor, and it and remote control microprocessor MCU7 realize the control communication by Serial Control bus (IIC-BUS).Control to image decompressor and video dac 1 is exported by sub-processor again.After 5 pairs of control routine decodings of sub-processor, with the initial address of compressed image storage, image decompressor 2 is given in end address and startup decompression order parallel convey again.Remaining process such as embodiment 1,2.
Fig. 7 is the circuit theory diagrams of empty frame part among Fig. 6.Sub-processor 5 adopts the microprocessor 87U751 of PHILIPS company, the P3.1 of microprocessor 87U751, P3.2, P3.3, P3.4, P3.5, P3.6, P3.7, D0 D7 end respectively with the RESET of decoding chip CL484, HSEL0, HSEL1, HSEL2, / DS, R/W, / DACK, HD (7) HD (0) end links to each other successively, the SCL of microprocessor 87U751, SDA, P3.1, the RST end is respectively by resistance R 1, R2, R3, R4 links to each other with power supply VCC, 10 of microprocessor 87U751, be connected to a crystal oscillator Z1 between 11 pin, and respectively by capacitor C 1, C2 links to each other with ground, the P3.1 of microprocessor 87U751 end links to each other with the RESET end of video analog-digital chip SAA7121, the SCL of remote control microprocessor MCU7 SDA end and video analog-digital chip SAA7121, the SCL of microprocessor 87U751 SDA end link to each other.Remote control microprocessor MCU7 decodes by microprocessor 87U751 control decoding chip CL484.
In technical scheme shown in the embodiment 1--3, program and image data memory 3 can be flexibly connected by fixedly connected making into, promptly make the form of socket, reserve the movable breach of plug program and image data memory 3 at the colour TV shell, so that carry out the replacement of program and image data memory 3 or the renewal of view data.All the other technology contents are with embodiment 1--3.
In technical scheme shown in the embodiment 1--4, image decompressor 2 can be selected the CL480/CL484/CL680 of U.S. C-Cube company for use, also can select the ESS3210 of U.S. ESS company etc. for use.Wherein as select CL680 for use, because of its inside integrated video dac 1, video analog-digital chip SAA7121 that can the back level.Video dac 1 can be selected SAA7121 of Dutch PHILIPS company etc. for use.Program and image data memory 3 optional general 2M, 4M or 8M and larger capacity, functionally similar electrically programmable read-write memory EPROM, model is 27C020/040/080.Dynamic data storage device 4 optional general 256K dynamic data storage devices also can be selected larger capacity, functionally similar dynamic data storage device product for use.
When the television set no signal, by software design, can call display command and picture code from 2 transmissions of trend image decompressor by the code that is kept at display frame in the electrically programmable read-write memory, the mode of operation of video dac can be set automatically.
The sampling instrument that gathering specific high-definition image data needs is digital scanner, digital camera, digital camera or other medium (as VCD, CVD, DVD, internet etc.).
Specific high-definition image data can be individual portrait, souvenir picture, landscape picture, the worship of idols etc.
In technical scheme shown in the embodiment 1--4, when the image data acquiring instrument was digital camera or analog video camera, the signal of collection can obtain the continuous high definition live image of multiframe after digitized processing of the present utility model.The multiframe continuous number viewdata signal that collects is carried out compressed encoding, be kept in program and the image data memory 3.When needing to show, send call instruction with remote controller, the remote control microprocessor MCU7 in the television set sends call instruction according to the instruction of calling to image decompressor 2 and video dac 1; Image decompressor 2 obtains the corresponding data coding and the address of a series of activities image from program and video memory 3, send video dac 1 to be converted to image video signal after the decompression; Through audio/video signal selecting switch 6, image signals corresponding is delivered to video signal decoder 10 decodings, exports R, G, B signal at last, is presented on the screen through restoring former figure after the processing and amplifying.The compression of view data, can according to the quantity of the amount of capacity of memory and serial consecutive image what, adopt the flexible form of all or part of compression.The image frame that video screen shows can be fixed or several continuously active formulas of single width.
Obtain DID by metadata acquisition tool, the content of image and quantity all can change.As required by every width of cloth image or the given coding of every set of image data.Call when showing, only need to get final product by the coding that universal serial bus sends the image that is called to decompressor.
The high-definition image of the described colour TV of the utility model device can be 576 * 480 or 720 * 576 line pixels or higher pixel.
Claims (7)
1. show the television set of specific high-definition image on the screen, include remote control microprocessor (7), an audio/video signal selecting switch (6) that has television set function, Properties Control effect concurrently, it is characterized in that this television set also contains:
Program and image data memory (3) are used to deposit program and image compression data, and image compression data is a data organization unit with every width of cloth image, deposits by designated store address and zone;
A dynamic data storage device (4) is used to store, export the DID of compression;
An image decompressor (2), be connected with program and image data memory (3), dynamic data storage device (4) respectively, be used for the compressing image data of program and image data memory (3) specify image is sent in the dynamic data storage device (4), decompressing then obtains DID;
A video dac (1), link to each other with described image decompressor (2), be used to receive image decompressor (2) decompression and obtain DID, convert the composite video signal or the brightness/chrominance signal of image to, and output in the audio/video signal selecting switch (6);
The remote control microprocessor (7) that has television set function, Properties Control effect concurrently is given an order to image decompressor (2) and video dac (1) by control bus according to call instruction; Image decompressor (2) obtains view data from program and image data memory (4), send video dac (1) to be converted to image video signal after the decompression; Through audio/video signal selecting switch (6), picture signal is delivered in the video signal decoder (10), exports R, G, B signal at last, is presented on the screen after amplifying.
2. television set according to claim 1 is characterized in that: the picture material and the quantity that are stored in program and the image data memory (3) can change according to this memory span.
3. television set according to claim 1 is characterized in that: described image decompressor (2) can be mpeg standard decompressor or JEPG canonical solution compressor reducer.
4. television set according to claim 1 is characterized in that: described remote control microprocessor (7) is realized by the Serial Control bus the control of image decompressor (2) and video dac (1).
5. television set according to claim 1, it is characterized in that: the control command of described image decompressor (2) and data are the parallel port output by remote control microprocessor (7), and the control of video dac (1) realizes by the Serial Control bus.
6. television set according to claim 1, it is characterized in that, the Serial Control bus of remote control microprocessor (7) is connected with image decompressor (2) by a sub-processor (5), realize the control communication, the Serial Control data transaction is become the parallel control data, image decompressor (2) is controlled.
7. television set according to claim 1 is characterized in that: described program and image data memory (3) can be fixedly connected in circuit or flexibly connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99245736 CN2407535Y (en) | 1998-12-21 | 1999-09-24 | High resolution TV set for specific pictures |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98249653.2 | 1998-12-21 | ||
| CN98249653 | 1998-12-21 | ||
| CN 99245736 CN2407535Y (en) | 1998-12-21 | 1999-09-24 | High resolution TV set for specific pictures |
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| Publication Number | Publication Date |
|---|---|
| CN2407535Y true CN2407535Y (en) | 2000-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99245736 Expired - Fee Related CN2407535Y (en) | 1998-12-21 | 1999-09-24 | High resolution TV set for specific pictures |
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| CN (1) | CN2407535Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100356776C (en) * | 2005-06-22 | 2007-12-19 | 四川长虹电器股份有限公司 | TV picture processing method |
| CN100397479C (en) * | 2004-12-07 | 2008-06-25 | 大同股份有限公司 | Dynamic pattern display method |
| CN100401760C (en) * | 2005-01-12 | 2008-07-09 | 上海乐金广电电子有限公司 | High definition composite video signal output device and its method |
| CN100437473C (en) * | 2004-03-16 | 2008-11-26 | 鸿富锦精密工业（深圳）有限公司 | Apparatus and method for alleviating local fatigue in eyes and body of display equipment user |
| CN114442983A (en) * | 2022-01-28 | 2022-05-06 | 深圳市爱协生科技有限公司 | Image display control method and device applied to industrial screen and computer equipment |
-
1999
- 1999-09-24 CN CN 99245736 patent/CN2407535Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100437473C (en) * | 2004-03-16 | 2008-11-26 | 鸿富锦精密工业（深圳）有限公司 | Apparatus and method for alleviating local fatigue in eyes and body of display equipment user |
| CN100397479C (en) * | 2004-12-07 | 2008-06-25 | 大同股份有限公司 | Dynamic pattern display method |
| CN100401760C (en) * | 2005-01-12 | 2008-07-09 | 上海乐金广电电子有限公司 | High definition composite video signal output device and its method |
| CN100356776C (en) * | 2005-06-22 | 2007-12-19 | 四川长虹电器股份有限公司 | TV picture processing method |
| CN114442983A (en) * | 2022-01-28 | 2022-05-06 | 深圳市爱协生科技有限公司 | Image display control method and device applied to industrial screen and computer equipment |
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