| 摘要 |
<p>The method is characterized by the fact that at a definite moment a signal is taken from the watched TV channel, and this signal is processed, while the videosignal is analysed by video-processor, and the obtained information on the location of the official codes in the videosignal (transmitted from the TV head office), comes to microprocessor. Its puts additional official information which is mixed with high frequency changing step by step with the interval of one TV channel, and when the frequency coincides with that of the watched channel, the official information is mixed with the TV signal of the antenna. In this way on the TV video-output the signal contains also the official information which is analysed by videoprocessor and is read by microprocessor. The method is realized by a device consisting of microprocessor (MPU) connected to memory (RAM + EPROM), with modem (MODEM), real-time clock (RTC), display (INDIKATION) and remote control block (BD) on the one side, and on the other side connected with TV signal processing block (TVSP), with frequency synthesizer (SYNT), connected to voltage-controlled oscillator (VCO) and mixer (MIX), while TVSP block is also connected to the output for recording (VIDEO).</p> |
