Equilibrium based horizontal sync detector for video decoder

Details Equilibrium based horizontal sync detector for video decoder Equilibrium based horizontal sync detector for video decoder

2007-02-06

2007-02-06

Lee, Michael H. (Department: 2622)

Television

Synchronization

Sync separation

C348S540000

Reexamination Certificate

active

10623232

ABSTRACT:
The present invention discloses a horizontal sync detector circuit (10) comprising a filter portion (12), an equilibrium accumulator portion (14) coupled to the filter portion (12), a horizontal sync detector portion (16) coupled to the filter portion (12) and to the equilibrium accumulator portion (14), and an output logic portion (18) coupled to the horizontal sync detector portion (16), the output logic portion (18) adapted to produce a phase error (116) based on a combination of a coarse phase error (108) and a fine phase error (112).

REFERENCES:
patent: 4470066 (1984-09-01), Wolber et al.
patent: 6317161 (2001-11-01), Renner et al.
patent: 6330034 (2001-12-01), Renner et al.

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