POWER SUPPLY CIRCUIT AND ELECTRONIC DEVICE
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United States of America Patent
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Issued Date -
Jul 2, 2015
app pub date -
Dec 2, 2014
filing date -
Dec 27, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
According to one embodiment, a power supply circuit includes a battery, a first manually-operated switch, a second switch, and a maintaining circuit. The first manually-operated switch includes a normally open contact point. The second switch has a closed state and an open state. When in the closed-state, the second switch is configured to supply electric power of the battery to a target circuit. When in the open state, the second switch is configured to shut off the electric power of the battery to the target circuit. The maintaining circuit is configured to maintain the second switch in the closed state when the first switch is continuously closed for greater than or equal to a first time.
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