Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Synchronizing
Reexamination Certificate
2006-03-21
2006-03-21
Nguyen, Minh (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Synchronizing
C375S376000
Reexamination Certificate
active
07015737
ABSTRACT:
A delay-locked loop circuit may include a frequency doubler for increasing a frequency of a clock signal and a frequency divider for decreasing the frequency of the clock signal. The delay-locked loop circuit can be selectively operated in a low frequency and a high frequency by the frequency doubler and the frequency divider.
REFERENCES:
patent: 5955902 (1999-09-01), Takada et al.
patent: 5970110 (1999-10-01), Li
patent: 6208183 (2001-03-01), Li et al.
patent: 6501312 (2002-12-01), Nguyen
patent: 6906566 (2005-06-01), Drexler
Marshall & Gerstein & Borun LLP
Nguyen Minh
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