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INFRARED CIRCUIT FOR SINGLE BATTERY AND REMOTE CONTROLLER USING THE SAME

  • US 20170150563A1
  • Filed: 11/21/2016
  • Published: 05/25/2017
  • Est. Priority Date: 11/25/2015
  • Status: Active Grant
First Claim
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1. An infrared (IR) circuit to be driven by only one single battery, which outputs a battery voltage, the infrared circuit comprising:

  • an IR light-emitting diode (LED) circuit coupled between the battery voltage and a common voltage;

    an inductor coupled between the battery voltage and the common voltage; and

    a microcontroller comprising an input/output (I/O) port coupled to the inductor and the IR LED circuit, wherein,when infrared rays are emitted, the microcontroller controls the battery voltage to charge the inductor through the I/O port, and utilizes a continuous current of the inductor to force the IR LED circuit to turn on.

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