Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Having specific delay in producing output waveform
Reexamination Certificate
2006-08-01
2006-08-01
Callahan, Timothy P. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Having specific delay in producing output waveform
C327S284000
Reexamination Certificate
active
07084684
ABSTRACT:
Provided are a delay stage and a delay circuit that are insensitive to an operating voltage and have a constant delay time irrespective of a time interval between input signal pulses. The delay stage includes a first inverter that inverts an input signal, a first capacitor having one end connected to a first voltage node, a first switch that is connected between the other end of the first capacitor and an output terminal of the first inverter and is turned on in response to a control signal, a second inverter that inverts an output signal of the first inverter, a second capacitor having one end connected to a second voltage node, and a second switch that is connected between the other end of the second capacitor and an output terminal of the second inverter and is turned on in response to an inverted signal of the control signal.
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Kim Chi-Wook
Kim Doo-Young
Callahan Timothy P.
Cox Cassandra
F. Chau & Associates LLC
Samsung Electronics Co,. Ltd.
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