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The remote control is designed for colour and black-and-white TV pcitures. It enables the depiction of all functions and commands on the screen, for automatic searching turing and for controlling of teletext-decoder with complete functions of level one of the teletext system. The remove control contains an identification stage (10) between the input of a controlling microcontroller (CMC) (3) and the output of the unit for horizontal deviation (HD) of the TV receiver, circuit for automatic fine turing of the frequency (14) between the CMC (3) input and the output of the intermediate frequence amplifier (IFA) of the TV receiver, stage (15) for the synchronization of the picture on the screen, between the output of the HD unit and the unit for the vertical deviation of the TV receiver, respectively, and inputs for horizontal and vertical CMC (3) synchronization. The teletext-decoder (17) has an input for the complex TV signal from IFA and is coupled to the CMC and the energy in depenet memory (16) by means of a twin-conductor two directional control bus. The outputs for the RGB-signals of CMC (3) and the teletext-decoder (17) are connected though, by means of an adder (18) to the RGB-unit of the TV receiver.
BG95675A1991-12-231991-12-23Tv receiver remote control
BG95675A
(en)