Apparatus for automatically discriminating between at least thre

Details Apparatus for automatically discriminating between at least thre Apparatus for automatically discriminating between at least thre

1993-02-26

1994-05-10

Kostak, Victor R.

Television

Format conversion

Specified chrominance processing

348708, H04N 1120

Patent

active

053113012

ABSTRACT:
An automatic broadcasting system discriminating apparatus includes: a first status detecting circuit for discriminating the broadcasting system by utilizing color burst signals; a second status detecting circuit for discriminating the broadcasting system by utilizing synchronizing signals; and a third status detecting circuit for discriminating the broadcasting system in accordance with the outputs of the first and second status detecting circuit in order to discriminate automatically one of the NTSC system, PAL-M system and PAL-N systems from among the received broadcasting signals.

REFERENCES:
patent: 4414563 (1983-11-01), Juhnke et al.
patent: 4688082 (1987-08-01), Kato
patent: 4933749 (1990-06-01), Van Lammeren et al.
patent: 5119177 (1992-06-01), Lim
"Engineer's Mini-Notebook Digital Logic Circuits" by Forrest M. Mims III, Copyright 1986.

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