Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Having specific delay in producing output waveform
Reexamination Certificate
2008-06-04
2009-10-27
Luu, An T (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Having specific delay in producing output waveform
C327S263000, C327S265000
Reexamination Certificate
active
07609103
ABSTRACT:
A delay circuit to generate and output a delayed signal delayed from an input signal includes a reference pulse generating circuit to generate a reference pulse train in response to the input of the input signal, the reference pulse generating circuit having a feedback circuit containing a delay portion to determine a time interval between the reference pulses, a counter to output count signals based on a reference clock, the counter receiving the reference pulse train generated by the reference pulse generating circuit as the reference clock, and a delayed signal output circuit to generate and output the delayed signal based on the input signal and the count signals.
REFERENCES:
patent: 7253672 (2007-08-01), Gomm et al.
Foley & Lardner LLP
Luu An T
NEC Electronics Corporation
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