Television – Synchronization – Automatic phase or frequency control
Reexamination Certificate
2008-04-22
2008-04-22
Lee, M. (Department: 2622)
Television
Synchronization
Automatic phase or frequency control
Reexamination Certificate
active
07362380
ABSTRACT:
The present invention discloses a PLL (90), which may be implemented in software, hardware, or a combination of software and hardware, which comprises a sync detector (92), a loop filter (94), a vertical sync discrete time oscillator (DTO) (98), and an output logic (100) adapted to detect a vertical sync (222), wherein the loop filter (94), the vertical sync DTO (98), and the output logic (100) are coupled to the sync detector (92).
REFERENCES:
patent: 5459766 (1995-10-01), Huizer et al.
patent: 6169581 (2001-01-01), Conover
patent: 6366327 (2002-04-01), Renner et al.
patent: 6594330 (2003-07-01), Wilson
Demmer Walter Heinrich
Renner Karl
Brady III Wade J.
Lee M.
Telecky , Jr. Frederick J.
Texas Instruments Incorporated
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