T.V. Schedule System and Process

Patent # 4706121

Uses• Controls a television

receiver– User can select

broadcasted TV program from scheduled program information

• Second function– VCR can record the

selected program while the user is away

How it works?• Controls a television receiver– User can select broadcasted TV program from

scheduled program information• FM receiver– picks up the program schedule information

• Signal is sent through a decoder• Signal demodulated – before entering into data processor

• remote control transmitter-receiver combination– gives the user the ability to make selections– relays user inputs to the data processor.

How it works? (cont.)

• Data processor– uses remote control information to select the

correct programs from the program schedule information

– stores the signal for the selected programs, and is used to control a programmable TV tuner

• TV tuner – Sends television broadcasting signal for the selected

program information to the television at the time of broadcast

Schematics of T.V. System and Process

FIG. 1 is a Frequency Modulation Transmitter, used for supplying TV schedule information as an FM broadcast.

This transmitter allows the necessary schedule information to be broadcasted independently of the television broadcasts.

FIG. 3 is a block diagram of the receiver and television control system for use with the transmitter of FIG. 1.