Method and apparatus for producing a test signal for use in a vi

Details Method and apparatus for producing a test signal for use in a vi Method and apparatus for producing a test signal for use in a vi

1988-10-17

1990-06-05

Faber, Alan

Facsimile and static presentation processing

Facsimile

Recording apparatus

358336, 358139, 360 27, 369 47, H04N 576

Patent

active

049318772

ABSTRACT:
The invention relates to a circuit arrangement for a video recorder, which derives from a video signal the video programming data (VPS data) and generates a test signal that shows whether a television signal is present, whether interference pulses are present, whether VPS data are being transmitted and whether the transmission of the VPS data is free from errors.

REFERENCES:
patent: 4376290 (1983-03-01), Shirota
patent: 4418364 (1983-11-01), Wine
patent: 4420775 (1983-12-01), Yamazaki et al.
patent: 4423440 (1983-12-01), Tachi
patent: 4428003 (1984-01-01), Sugiyama et al.
patent: 4455635 (1984-06-01), Dieterich
patent: 4647974 (1987-03-01), Butler et al.
patent: 4680651 (1987-07-01), Blessinger
patent: 4729041 (1988-03-01), Kuroda
patent: 4786985 (1988-11-01), Williams
Rundfunktechnischne Mitteilungen, vol. 29, No. 4, 1985, pp. 161-169.
"Integrated Video Programming System (VPS) Decoder", Philips Technical Publication, 224, 1986, pp. 1-6.

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