Self-powered current sensor with a linear adjustment
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United States of America Patent
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Sep 19, 2017
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app pub date -
Aug 21, 2012
filing date -
Aug 21, 2012
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Abstract
A self-powered current sensor is described. The self-powered current sensor including an electrical signal input configured to receive a current signal. Further, the self-powered current sensor includes a power circuit configured to generate a power voltage from an electrical signal. The self-powered current sensor also includes a variable resistor configured to set a value corresponding to one or more indicators on the electrical sensor and an amplifier coupled with a variable resistor and a power circuit. And, the self-powered current sensor includes an alarm coupled with an amplifier, an alarm configured to activate based on a value set by said variable resistor.
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