TV CONTROL SIGNAL GENERATING DEVICE AND METHOD OF VCR

摘要

The circuit controls a television set when controlling only a VCR by letting the microprocessor built in the television set decode the signal for the television set transmitted by the microprocessor built in the VCR through audio line between them. The circuit includes a signal composer (30) for composing the voice signal from the voice generator of the VCR (10) and television control signal from the 1st microprocessor (20) and transmitting the composed signal to the television set, a high pass filter (70) for abstracting television control signal, and the 2nd microprocessor (50) for generating signal for television control by decoding the signal from the high pass filter (70).