Televison programming information system

Details Televison programming information system Televison programming information system

1982-09-27

1984-05-15

Bookbinder, Marc E.

Telecommunications

Transmitter and receiver at separate stations

Frequency or phase modulation

370 11, 455 57, 455228, H04B 100, H04B 170

Patent

active

044492499

ABSTRACT:
Up to date television programming information along with a commercial is provided for a viewer of television independent of the viewer's television set. Such is accomplished by a radio either AM or FM which broadcasts first and second subcarrier signals carrying respectively a commercial and up to date television program information. The commercial and up to date television program information repeats after given set time periods, the later being updated every one-half hour. A viewer need only operate a specially designed radio receiver at a convenient location anytime he wishes to know which programs are coming up on his television set. The receiver is designed so that it will always play the broadcast commercial before the television program so that the system can be appropriately financed with no cost to the viewer.

REFERENCES:
patent: 2233183 (1941-02-01), Roder
patent: 2776429 (1957-01-01), Olerud
patent: 3534266 (1970-10-01), Halstead
patent: 3922607 (1975-11-01), Wysong

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