Light having a circuit accommodating batteries of different types and/or sizes
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United States of America Patent
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Jul 15, 2014
Grant Date -
Sep 20, 2012
app pub date -
Mar 23, 2012
filing date -
Mar 17, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An electronic circuit and/or method that determines a type and/or size of a battery in a light and controls operation of a light source may comprise: a circuit measuring the voltage of the battery; and a processor for determining the measured battery voltage. The processor may compare the measured battery voltage and a predetermined voltage and set an operating condition of the light source based upon the difference between the measured battery voltage and the predetermined voltage. The processor may apply a predetermined load to the battery for a predetermined time and measure battery voltage during the predetermined time; and determine the difference between the measured voltage of the battery and the measured battery voltage during the predetermined time.
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