Asynchronous copy protection detector

Details Asynchronous copy protection detector Asynchronous copy protection detector

2002-06-13

2009-10-06

Tran, Thai (Department: 2621)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386S349000

Reexamination Certificate

active

07599604

ABSTRACT:
A video system (100) includes detection circuitry (200A-200C) operative to detect pseudo-synchronization pulses within a composite synchronization signal in dependence upon at least one timing signal. Timing circuitry (200D-200F) is operative to generate the at least one timing signal without utilizing synchronization information within the composite synchronization signal.

REFERENCES:
patent: 5179452 (1993-01-01), Takahashi
patent: 5442405 (1995-08-01), Taniguchi et al.
patent: 5907655 (1999-05-01), Oguro
patent: 5966119 (1999-10-01), Hwang
patent: 6055019 (2000-04-01), Takahashi
patent: 2002/0085717 (2002-07-01), Quan
patent: 06350592 (1994-12-01), None
patent: 08167252 (1998-06-01), None
Patent Abstracts of Japan & JP200050200 (Suzuki) of Feb. 18, 2000.
International Search Report completed on Mar. 18, 2003.

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