Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Phase shift by less than period of input
Reexamination Certificate
2007-07-16
2009-11-17
Donovan, Lincoln (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Phase shift by less than period of input
C327S161000, C327S231000, C375S364000
Reexamination Certificate
active
07619456
ABSTRACT:
A multi-phase signal generator may include a duty control buffer configured to receive a first differential input signal and a second differential input signal, and generate a first differential output signal and a second differential output signal having variable duty ratios based on a control voltage, a first edge combiner configured to generate a first pulse signal based on first edges of the respective first and second differential output signals, a second edge combiner configured to generate a second pulse signal based on second edges of the respective first and second differential output signals, and a control voltage generator configured to generate the control voltage in response to a logic signal obtained by performing a logic operation on the first and second pulse signals.
REFERENCES:
patent: 6040743 (2000-03-01), Bjorklid et al.
patent: 6459314 (2002-10-01), Kim
patent: 6859081 (2005-02-01), Hong et al.
patent: 2000-114954 (2000-04-01), None
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patent: 2002-0020353 (2002-03-01), None
Kim Byung-Guk
Kim Lee-Sup
Park Kwang-Il
Donovan Lincoln
Poos John W
Samsung Electronics Co,. Ltd.
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