Television – Synchronization – Automatic phase or frequency control
Patent
1997-06-03
2000-02-22
Harvey, David E.
Television
Synchronization
Automatic phase or frequency control
348536, H04N 512
Patent
active
060286415
ABSTRACT:
Device and method for generating a clock in an HDTV receiver is disclosed, the device including a clock generating part for generating a plurality of clock signals and selecting one clock signal from the clock signals in agreement to a frame rate of a presently received video signal having a reference clock signal in response to a provided clock selecting signal, and a controlling part for providing the clock selecting signal at a time when phases of the selected one clock signal of just prior video signal and the reference clock signal of the presently received video signal are in agreement to each other, whereby a stable supply of display clock signal is made possible even when a video format of a received video signal is changed.
REFERENCES:
patent: 4958228 (1990-09-01), Kutsuki
Harvey David E.
LG Electronics Inc.
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