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Remote control transmitter and receiver for use with a television receiver

  • US 4,045,777 A
  • Filed: 03/29/1976
  • Issued: 08/30/1977
  • Est. Priority Date: 03/29/1976
  • Status: Expired due to Term
First Claim
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1. A remote control system including a remote transmitter and a receiver for remotely controlling a plurality of functions of a controlled apparatus, said transmitter comprising:

  • means for selecting one of said plurality of functions to be controlled;

    means for generating pulse coded signals corresponding to selected functions;

    means for generating function level control pulses, each function level control pulse representing an increment by which the level of the selected function is to be changed; and

    means for transmitting said pulse coded signals and said function level control pulses to said receiver;

    said receiver comprising;

    means for receiving transmitted pulse coded signals and function level control pulses;

    a plurality of function level setting means corresponding to said plurality of remotely controlled functions;

    means for identifying and decoding received pulse coded signals and for activating the function level setting means for the selected function; and

    means for identifying received function level control pulses and gating them to the function level setting means for the selected function;

    whereby the level of the selected function is changed in proportion to the number of received function level control pulses.

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