Video additive information identifying device with plural inputs

Details Video additive information identifying device with plural inputs Video additive information identifying device with plural inputs

1993-04-20

1995-02-14

Groody, James J.

Television

Basic receiver with additional function

Multimode

348478, H04N 546, H04N 5445, H04N 7087

Patent

active

053899750

ABSTRACT:
In a video additive information identifying device, one of plural video signal inputs each containing a video ID signal is inserted as video additive information on one line at a predetermined position within a vertical blanking period. The selected video signal input is subjected to a Y/C separation processing, and the video ID signal of the selected video signal is extracted from a Y-signal after separation to identify the content of the extracted video ID signal, that is, a frame mode. On the basis of the identification result, a display frame mode of a video display is controlled to be corrected.

REFERENCES:
patent: 4394690 (1983-07-01), Kobayashi
patent: 4521810 (1985-06-01), Nigborowicz
patent: 4864405 (1989-09-01), Chambers
patent: 5122885 (1992-06-01), Yoshioka
patent: 5146331 (1992-09-01), Tsuchida
patent: 5162903 (1992-11-01), Ogino
patent: 5223936 (1993-06-01), Van Der Vourt

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