Relay adaptive to alternative current and direct current input signals
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United States of America
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Sep 3, 2019
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app pub date -
Oct 29, 2018
filing date -
Oct 29, 2018
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Abstract
A relay includes a first contact for receiving an input signal, a second contact for receiving a power signal, a rectifier coupled to the first and second contacts for converting the power signal into a direct-current power signal when the power signal is an alternating-current power signal, a voltage clamping circuit coupled to the rectifier for clamping a voltage of the input signal and the power signal, a Schmidt trigger coupled to the voltage clamping circuit for generating a trigger signal according to the input signal and the power signal, and a power outputting circuit coupled to the Schmidt trigger for generating an output voltage according to the trigger signal and a supply power.
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