System and method for identifying a television program

Details System and method for identifying a television program System and method for identifying a television program

1993-06-24

1995-04-04

Groody, James J.

Television

Special applications

Manufacturing

348461, 348473, 455 2, H04N 708, H04N 1700, H04N 1704

Patent

active

054041600

ABSTRACT:
The disclosure is of a system and method of detecting or identifying a received TV program by forming a database of identifying digital bits for a plurality of programs, processing a TV program by modulating the luminance of pairs of lines of the program and reconstituting the program with said modulated line pairs and the other components of a TV program signal. The reconstituted program is transmitted to a location at which it is decoded to recover the digital identifying bits and comparing such bits with bits in the database to identify the transmitted program.

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King, Patrick, "A Novel TV Add-On Data Communication System"; Hazeltine Research, Inc., Chicago, Ill., 60639.

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