Data processing: measuring – calibrating – or testing – Testing system – Of circuit
Reexamination Certificate
2007-07-24
2007-07-24
Tsai, Carol S. W. (Department: 2857)
Data processing: measuring, calibrating, or testing
Testing system
Of circuit
C702S032000, C702S066000, C702S067000, C702S070000, C702S116000, C702S124000, C702S126000
Reexamination Certificate
active
11229493
ABSTRACT:
A signal processing system for a sensor for judging whether an event to be detected has occurred on the basis of a frequency of a sensor output includes a converting device for converting the sensor output into a square wave, a presuming device for presuming whether the frequency of the sensor output is lower than a predetermined frequency referred for judging whether the event to be detected has occurred on the basis of an output from the converting device, and a judging device for judging whether the event to be detected has occurred on the basis of an output from the presuming device.
REFERENCES:
patent: 4274317 (1981-06-01), Vulliens
patent: 6021991 (2000-02-01), Mayama et al.
patent: 2003-106048 (2003-04-01), None
Aisin Seiki Kabushiki Kaisha
Buchanan & Ingersoll & Rooney PC
Huynh Phuong
Tsai Carol S. W.
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