Television program transmission verification method and apparatu

Details Television program transmission verification method and apparatu Television program transmission verification method and apparatu

1989-02-14

1990-10-30

Shepperd, John W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 84, 358146, 455 67, H04N 708

Patent

active

049672738

ABSTRACT:
A method and apparatus for verifying the proper airing of television program having a digital identification code recorded on a preselected scan line which is not normally visible to the television viewer. A plurality of television channels are automatically simultaneously monitored by a primary monitoring system at a site 30 within the reception area and broadcast encoded programs are identified and timed and appraised as to their audio and video signal quality. The information generated is stored locally for later comparision with centrally stored 62 information specifying the program that should have been aired. Each of the channels is sequentially monitored for a preselected fixed time interval, which depends on the number of channels being monitored, under the control of a programmable sequential controller 54. A secondary monitoring system is provided for use as a backup or for monitoring cable channels. Means 74 responsive to a code recorded in the program signal are provided for locally recording the final portion of the program.

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patent: 4230990 (1980-10-01), Lert, Jr. et al.
patent: 4547804 (1985-10-01), Greenburg
patent: 4639779 (1987-01-01), Greenburg
patent: 4805020 (1989-02-01), Greenberg

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