Battery-powered security sensor system
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United States of America Patent
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Jan 16, 2018
Grant Date -
Jul 2, 2015
app pub date -
Dec 24, 2014
filing date -
Dec 26, 2013
priority date (Note) -
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Abstract
A security sensor system is provided which allows the stopping of the device due to the end of a battery life to be postponed by suppressing battery power consumption, which is caused due to an object detection operation of the security sensor system, after a low battery state is detected. The security sensor system is powered by a battery. When a low battery detector detects a reduction in the voltage of the battery, an object detection operation of the security sensor system is switched from a normal mode to a suppression mode. Consumption of the battery in the suppression mode is suppressed.
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