Techniques for Phase Detection
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United States of America Patent
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Issued Date -
Aug 30, 2012
app pub date -
Oct 31, 2010
filing date -
Nov 12, 2009
priority date (Note) -
Abandoned
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Abstract
A phase detection circuit can include two phase detectors that each generate a non-zero output in response to input signals being aligned in phase. The input signals are based on two periodic signals. The phase detection circuit subtracts the output signal of one phase detector from the output signal of the other phase detector to generate a signal having a zero value when the periodic signals are in phase. Alternatively, a phase detector generates a phase comparison signal indicative of a phase difference between periodic signals. The phase comparison signal has a non-zero value in response to input signals to the phase detector being aligned in phase. The input signals are based on the periodic signals. An output circuit receives the phase comparison signal and generates an output having a zero value in response to the periodic signals being aligned in phase.
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Patent Owner(s)
Patent Owner | Address | |
---|---|---|
RAMBUS INC | 1050 ENTERPRISE WAY SUITE 700 SUNNYVALE CA 94089 |
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Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Aryanfar, Farshid | Sunnyvale, US | 46 | 504 |
Chang, Kun-Yung | Los Altos, US | 59 | 657 |
Lee, Hae-Chang | Los Altos, US | 80 | 729 |
Leibowitz, Brian | San Francisco, US | 38 | 688 |
Shen, Jie | Fremont, US | 132 | 838 |
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