System for electronically controllably viewing on a television updateable television programming information

  • US 4,751,578 A
  • Filed: 05/28/1985
  • Issued: 06/14/1988
  • Est. Priority Date: 05/28/1985
  • Status: Expired due to Term
First Claim
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1. A system for electronically controllably viewing updateable information on a television having a screen comprising:

  • (a) a microcontroller including input/output interfaces, a microprocessor, and an updateable memory comprising at least a RAM, said RAM of said microcontroller being updateable via an electronic medium and storing updated information including at least television programming information;

    (b) a mixer for mixing a regularly received television signal with the signal generated by the microcontroller in accord with instructions of said microcontroller;

    (c) an RF section for receiving instructions from said microcontroller and for receiving radio frequency information from the mixer and a television station and properly converting the information into video signals which may be sent to said television for viewing; and

    (d) a remote control system, said microcontroller being controllable by said remote control system, for permitting a viewer of said television to direct said microcontroller to perform a search on at least said updated television programming information contained in said RAM of said microcontroller, a subset of at least said updated television programming information being output to said mixer so as to provide on the television screen television programming information desired by the viewer in a desired format.

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