Failure diagnostic device for acceleration sensor,...

Details Failure diagnostic device for acceleration sensor,... Failure diagnostic device for acceleration sensor,...

2006-07-20

2009-10-13

Raevis, Robert R (Department: 2856)

Measuring and testing

Instrument proving or calibrating

Speed, velocity, or acceleration

Reexamination Certificate

active

07600409

ABSTRACT:
A failure diagnostic device for diagnosing whether a failure has occurred in an acceleration sensor to be loaded in an electronic device such as a living body information measurement device of acquiring data concerning e.g. living body information includes: an acceleration calculator for calculating an acceleration applied to the electronic device based on an output from the acceleration sensor; and a first judger for judging whether the electronic device is in a stationary state based on a judgment as to whether an output value from the acceleration calculator lies within a predetermined range for a predetermined duration.

REFERENCES:
patent: 6988409 (2006-01-01), Furuichi
patent: 2005/0131602 (2005-06-01), Souda
patent: 11-211751 (1999-08-01), None

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