Programmable sync reproducing circuit capable of processing mult

Details Programmable sync reproducing circuit capable of processing mult Programmable sync reproducing circuit capable of processing mult

1995-02-03

1995-10-17

Groody, James J.

Television

Basic receiver with additional function

Multimode

348558, 348678, 348691, 348528, H04N 546, H04N 552, H04N 516

Patent

active

054595266

ABSTRACT:
An image signal processing apparatus wherein image signals of plural kinds transmitted in different TV systems can selectively be reproduced, to provide an image signal processing apparatus wherein image signals of plural kinds transmitted in different systems can selectively be reproduced with simple construction, high cost-effectiveness, and high practicability. The apparatus has a sync signal generating unit for performing arithmetic operation processing for extracting a sync signal component from an input image signal, by changing a processing program in accordance with a transmission system of the input image signal, and a decoding unit for decoding the input image signal on the basis of a sync signal generated by the sync signal generating unit.

REFERENCES:
patent: 4872054 (1989-10-01), Gray et al.
patent: 5132793 (1992-07-01), Hirahata et al.
patent: 5264931 (1993-11-01), Yamada
patent: 5285264 (1994-02-01), Matsushita
Patent Abstracts of Japan, vol. 14, No. 553 (E-1010) 7 Dec. 1990 & JP-A-02 237 280 (Hitachi) 19 Sep. 1990 * abstract *.
Patentm Abstracts of Japan, vol. 12, No. 402 (E-673) 25 Oct. 1988 & JP-A-63 141 470 (Matsushita Electric) 13 Jun. 1988 * abstract *.
Ulrich Schmidt et al.: "Data-Driven Array Processor for Video Signal Processsing"; IEEE 1990 International Conference on Consumer Electronics--FPM-21.3, pp. 326-327.

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