Two lead electronic switch system adapted to replace a mechanical switch system
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United States of America Patent
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Aug 18, 2020
Grant Date -
Sep 28, 2017
app pub date -
Jun 13, 2017
filing date -
May 3, 2010
priority date (Note) -
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Abstract
Systems and methods are disclosed for a two lead electronic switch adapted to replace a mechanical switch. In one embodiment, a device is provided that includes a sensor and an electronic circuit having a voltage limiting circuit. The electronic circuit is configured to deactivate/activate the voltage limiting circuit to operate the electronic circuit in a first/second state in response to determining that an output of the sensor is less/more than a threshold voltage. The circuit includes first and second terminals configured to receive a switch voltage used to provide power for the device. The device sets the switch voltage to a first voltage level operative to power the electronic circuit and the sensor while the electronic circuit is operating in the first state and to a second voltage level operative to power the electronic circuit and the sensor while the electronic circuit is operating in the second state.
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