Pulse or digital communications – Synchronizers – Phase displacement – slip or jitter correction
Reexamination Certificate
2011-04-12
2011-04-12
Tran, Khai (Department: 2611)
Pulse or digital communications
Synchronizers
Phase displacement, slip or jitter correction
Reexamination Certificate
active
07924964
ABSTRACT:
A receiver having a first clock signal is provided. The first frequency of the first clock signal is adjusted to be close to a second frequency of a second clock signal of a transmitter. The receiver includes a clock generator, a processor and a controller. The clock generator is for generating the first clock signal. The processor is for outputting a first control signal to control the clock generator to adjust the first frequency to be close to the second frequency when an absolute value of a current difference between the first and the second frequencies at a current time point is larger than a threshold. The controller is for outputting a second control signal to control the clock generator when the absolute value of the current difference is smaller than the threshold, so as to reduce the load of the processor.
REFERENCES:
patent: 7778375 (2010-08-01), Lu
patent: 2006/0127066 (2006-06-01), Chiu et al.
patent: 2008/0266000 (2008-10-01), Ngo et al.
patent: 2010/0002822 (2010-01-01), Arima et al.
Hsu Shih-Ta
Tseng Chao-Kuei
Himax Technologies Limited
Rabin & Berdo P.C.
Tran Khai
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