Spike noise eliminating circuit, digital system using the...

Details Spike noise eliminating circuit, digital system using the... Spike noise eliminating circuit, digital system using the...

2011-01-11

2011-01-11

Le, Dinh T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By pulse width or spacing

C327S551000

Reexamination Certificate

active

07868662

ABSTRACT:
There is provided a spike noise eliminating circuit that can eliminate reliably spike noise having a predetermined pulse width or smaller and transmit and output precisely a signal having a pulse width larger than the predetermined width. Spike noise in the input signal is eliminated by: detecting a coincidence in level of the input signal and a first delay signal obtained by delaying the input signal by a maximum pulse width of noise to be eliminated as a delay amount; and sampling the input signal or a second delay signal obtained by delaying the input signal by a certain period of time based on a signal obtained as a result of detecting the coincidence in level.

REFERENCES:
patent: 7330054 (2008-02-01), Masleid
patent: 7548475 (2009-06-01), Cho
patent: 5-34726 (1993-05-01), None
patent: 5-191226 (1993-07-01), None
patent: 7-321616 (1995-12-01), None

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