Sampling clock reproducing apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 1, 1981
Grant Date -
N/A
app pub date -
Jun 2, 1980
filing date -
Jun 6, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Improved sampling clock reproducing apparatus for receiving digital signal which is superimposed in the television signal during a vertical blanking interval. The sampling clock signal is made by selectively gating a pilot signal from the superimposed signal, obtaining a square thereof, then passing it through a resonance circuit with a resonance frequency twice a repetition frequency of the pilot signal. Thus, the sampling clock signal of the frequency twice the repetition frequency of the pilot signal is obtainable without digital processing attaining high durability against noises.
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Family
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Cited Art Landscape
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