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APPARATUS AND METHOD FOR SWITCH STATE DETECTION AND CONTROLLING ELECTRICAL POWER

  • US 20160329742A1
  • Filed: 07/19/2016
  • Published: 11/10/2016
  • Est. Priority Date: 01/03/2014
  • Status: Active Grant
First Claim
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1. :

  • A thermal servo device comprising;

    circuitry configured to;

    receive a temperature signal including data corresponding to a temperature of a battery, wherein the battery powers a first lighting circuit when power from a main power source of the first lighting circuit is absent, and wherein, a second lighting circuit connected on a load side of a switch connecting a main power connection to the main power source appears as a substantially open circuit to a test signal due to diodes in bridge rectifiers included in devices connected on the second lighting circuit;

    determine, based on the temperature signal, whether the battery temperature is greater than a predetermined threshold; and

    generate, when the temperature is above the predetermined threshold, a control signal to keep the temperature of the battery below the predetermined threshold.

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