Liquid residual quantity detecting method, liquid residual...

Details Liquid residual quantity detecting method, liquid residual... Liquid residual quantity detecting method, liquid residual...

2007-04-24

2007-04-24

Williams, Hezron (Department: 2856)

Measuring and testing

Liquid level or depth gauge

With other measuring device

Reexamination Certificate

active

11010709

ABSTRACT:
A liquid residual quantity detecting method which is capable of accurately detecting the residual quantity of a liquid in an apparatus without being affected by the position of the apparatus, to thereby prevent a user from carelessly or erroneously believing that the liquid still remains. A fuel residual quantity detector detects the residual quantity of a fuel stored in a fuel storage chamber109aof a fuel cell108of a camera100. A microcomputer205provides control such that an operation for detecting the residual quantity of the fuel is executed only when the camera100is in its normal position.

REFERENCES:
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patent: 9-257550 (1997-10-01), None
patent: 11-190655 (1999-07-01), None
patent: 2002-56857 (2002-02-01), None
patent: 2002-100376 (2002-04-01), None

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