Data processing: measuring – calibrating – or testing – Measurement system – Performance or efficiency evaluation
Reexamination Certificate
2006-03-29
2008-05-20
Nghiem, Michael P. (Department: 2863)
Data processing: measuring, calibrating, or testing
Measurement system
Performance or efficiency evaluation
Reexamination Certificate
active
07376536
ABSTRACT:
A method for investigating a cause of decrease in frequency of abnormality detections for a certain device mounted on a vehicle, wherein when a plurality of abnormality detection conditions are satisfied, the abnormality detection for the certain device is performed to determine if the certain device is in failure, the method includes (i) when the frequency of the abnormality detections is below a predetermined value, disabling one of the abnormality detection conditions; (ii) when the abnormality detection conditions except the disabled abnormality detection condition are satisfied, performing an abnormality detection for the certain device; (iii) repeating the step (ii) a plurality of times; and (iv) determining if the disabled abnormality detection condition at that time is the cause of the decrease in the frequency of the abnormality detections, based on frequency of the abnormality detections in the step (iii).
REFERENCES:
patent: 6615152 (2003-09-01), Fujimoto et al.
patent: 7103459 (2006-09-01), Suzuki
patent: 7275525 (2007-10-01), Miyasako et al.
Iwakawa Kazumasa
Matsumoto Shigeru
Ohgaki Koichi
Watanabe Masatoshi
Fujitsu Ten Limited
Nghiem Michael P.
Oliff & Berridg,e PLC
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