Synchronization circuit and methods for screens with scanning ci

Television – Synchronization – Automatic phase or frequency control

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Details

348547, 348555, H04N 546, H03L 700

Patent

active

060521538

ABSTRACT:
Disclosed is a synchronization circuit that can be applied in the field of monitors and, especially, in the field of television receivers. The disclosed circuit comprises circuits to analyse and correct the horizontal and vertical synchronization signals in order to neutralize the effect of the signalling present in the horizontal synchronization signal on the working of a phase-locked loop.

REFERENCES:
patent: 5019907 (1991-05-01), Murakoshi et al.
patent: 5126639 (1992-06-01), Srivastava
patent: 5258841 (1993-11-01), Okada et al.
patent: 5339111 (1994-08-01), Park
French Preliminary Search Report, issued for FR 95/12611, filed Oct. 20, 1995.

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