8 picture /10 picture product

  The CATV channel is the newest current of cable TV.

  The CATV provides the CATV services for the cable TV audience. Each household all can quickly inquire to oneself that is interested in the program. They don’t take the remote control and continually choose channel to find satisfied programs.

  Innovations: Contrast to the nine pictures, the CATV channel increase functions which broadcast television advertisements and other television programs at the same time. Their forms are novel, artistic, and the functions are practical.

  Advertisements: while enjoying CATV service, the users also broadcast the television advertisement contents. Such advertisements effect good and lively, compared to the advertisement that solely broadcast by the audience is easily accepted.

  Income: Speaking of the wired television station, income may foresee. Because the CATV channel program will certainly to have the high viewing ratio, therefore the advertisement clienteles’ satisfactions can high, and the advertisement revenue is considerable. While providing  the CATV service for the audiences, they create the social efficiency and the economic efficiency.

  8 pictures: Evenly dividing the entire screen into 16 (4×4), the right top corner of them take 9 (3×3) spaces displaying a big picture, and the big picture uses in broadcasting the advertisement program. The left side of the big picture and under 7 use in displaying 7 sets of wired television stations which broadcast different program.

  10 pictures: Evenly divides the entire screen into 25 (5×5), the right top corner of them takes 16 (4×4) spaces displaying a big picture, and the big picture uses in broadcasting the advertisement program. The left side of the big picture and under 9 use in displaying 9 sets of wired television stations which broadcast different program.

  While broadcasting the program total are more than 9 (or 7), they may use turns the page the mode. every 9 (or 7) sets of programs is a page, a page of page takes turns to display in the small pictures, that is called turning page. They are may turn 8 pages most , displaying 72 (or56) sets of programs.

  Necessary 9 (or 7) channel adjacent channel and entire channel demodulator, which can completely turn and demodulate 72 (or 56) sets of programs all pages. They demodulates the video signal taking the MP1721 multi- pictures synthesizer 9 (or 7) ways small picture input signal.

    Finally, 10(or8) the picture synthesis video signal which the MP1721 multi- pictures synthesizer outputs and the advertisement programs audio signal modulate, taking a special channel, as the CATV channel broadcasting.

The comparison of 8 pictures and 10 pictures

8 pictures

  Superiority: The peripheral small picture relatively is big (1/16 = 0.06). The functions of CATV to say, they may le television viewers look clearly;

  Inferiority: The big picture relatively is small (9/16 = 0.56). The program quantities of pilot TV are less than 10 pictures.

10 pictures

  Superiority: Big picture relatively is big (16/25 = 0.64), the effect of advertisement broadcast well. The CATV channel capacity  is big,  which most have 72 sets of programs;

  Inferiority: The peripheral small picture relatively is small (1/25 =0.04).

Application methods

    The CVPTV channel in the application process, the content which among the big picture primarily broadcast advertisements, also may broadcast other programs, such as the telephone requesting a song, the charts information of the stocks, the entertainment program,  the news notices and so on. So the form is quite lively and novel, and the content is also more practical in the basic functions of CVP TV. The general television viewer easily accepts it, and effect can compared to solely broadcast advertisements.

Function characteristics

* Outside synchronized phase-lock function;

* Each page superimposition marking characters, clearly distinguishing various channels program;

* The intelligence turning the page mode, displaying more than 72 (or 56) sets of channel programs;

* The switch outputs the any channel signal of 10 (or 8) channel video input, and the monitoring function;

* Through serial port with necessary radio frequency demodulator connecting, the operation control to be relaxed quickly;

* Using the advanced technology, and the image is clear and stable, the quality is reliable.

Technical specifications

* Power input: alternating current 220 V± 10 %;

* Case size: 3 U standard top carriage case;

* Working conditions temperature: 5 ℃ ~ 35 ℃;

* Electromagnetic compatibility: Conforms to the national standard;

* Radio input: >= 80 dB;

* Digital quantification: 8 bit;

* Video input: 10 (or 8) channel standard video signal (75 Ω, 1Vp-p);

* Datum input: 1 channel standard video signal (75 Ω, 1Vp-p);

* Synthesis video output: 2 channel standard video signal (75 Ω, 1Vp-p);

* One channel may switch and display the input the any channel of signal;

* Another channel all displays 8/10 pictures synthetical signal.