Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Current driver
Reexamination Certificate
2007-08-02
2009-10-06
Luu, An T (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Current driver
C327S109000, C327S112000, C326S086000
Reexamination Certificate
active
07598780
ABSTRACT:
A clock buffer has a band-pass frequency characteristic, in which a pass band of the buffer includes a fundamental frequency of a clock and a gain for attenuating signals, that is, a gain of less than 0 dB is provided at frequencies below the pass band.
REFERENCES:
patent: 5185538 (1993-02-01), Kondoh et al.
patent: 5572146 (1996-11-01), Ahn et al.
patent: 6259282 (2001-07-01), Morris
patent: 2003/0216907 (2003-11-01), Thomas
patent: 3-109428 (1991-11-01), None
patent: 4-76725 (1992-07-01), None
patent: 05-122625 (1993-05-01), None
Fujitsu Limited
Fujitsu Patent Center
Luu An T
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