Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Particular stable state circuit
Reexamination Certificate
2008-01-15
2008-01-15
Le, Dinh T. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Particular stable state circuit
C327S208000, C327S209000
Reexamination Certificate
active
07319353
ABSTRACT:
An enveloping curves generator is disclosed that guarantees that one curve will envelop or overlap another when both are traversing from one logic level to another, and where the other overlaps the first when both traversing the other direction. In one case, a steering FET controlled by an input signal drives a first output high via a circuit. That first output going high, after a delay, drives a second output high. When the input goes low, a second steering FET controlled by the input signal drives the second output low. That second output going low, after a delay, drives the first output low. No latching is provided in the present invention.
REFERENCES:
patent: 5467038 (1995-11-01), Motley et al.
patent: 5751176 (1998-05-01), Sohn et al.
patent: 6208186 (2001-03-01), Nair
patent: 6489810 (2002-12-01), Ferrant
patent: 6570406 (2003-05-01), Tang et al.
patent: 6838920 (2005-01-01), Pradhan
Cesari & McKenna LLP
Fairchild Semiconductor Co.
Le Dinh T.
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