Synchronization stabilizing circuit and television signal receiv

Details Synchronization stabilizing circuit and television signal receiv Synchronization stabilizing circuit and television signal receiv

1996-11-15

1999-06-29

Peng, John K.

Television

Synchronization

Automatic phase or frequency control

348529, 348536, 348545, 348548, H04N 508, H04N 512

Patent

active

059175516

ABSTRACT:
In a synchronization stabilizing circuit and a television signal receiver, the follow-up range (TX) of the synchronizing signal (SH) is changed based on the judged result (J1) that it is judged whether or not the synchronizing signal (SH) itself exists and the judged result (J2) that it is judged whether or not the input signal exists in a follow-up range (TX), so that the signal can be synchronized easily in a short period even if the frequency of the synchronizing signal (SH) is deviated.

REFERENCES:
patent: 4063288 (1977-12-01), Eckenbrecht
patent: 4397038 (1983-08-01), Rzeszewski
patent: 4425576 (1984-01-01), Hosoya
patent: 4556905 (1985-12-01), Ikejiri
patent: 4641189 (1987-02-01), Warrick

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