Power system having a battery unit that calculate cumulative work volume value
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United States of America Patent
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Aug 10, 2010
Grant Date -
Apr 23, 2009
app pub date -
Dec 12, 2008
filing date -
Mar 26, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A camera includes: a battery unit on which a battery is mounted, that can be detachably loaded into the camera and supplies power to the camera; and a function unit that executes camera functions, wherein: as a function of the camera is executed, the function unit transmits information related to the executed function to the battery pack; and the battery unit has a storage unit in which the information related to the camera function is stored.
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