Failure diagnostic device for acceleration sensor, electronic device equipped with failure diagnostic device, failure diagnostic system, and failure diagnostic method
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United States of America Patent
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Oct 13, 2009
Grant Date -
Feb 8, 2007
app pub date -
Jul 20, 2006
filing date -
Aug 3, 2005
priority date (Note) -
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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.
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