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Ambient light detection with digitized output

  • US 20040195494A1
  • Filed: 04/04/2003
  • Published: 10/07/2004
  • Est. Priority Date: 04/04/2003
  • Status: Active Grant
First Claim
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1. An ambient light detection device comprising:

  • a light sensitive device;

    electronic circuitry coupled to said light sensitive device for receiving an output of said light sensitive device corresponding to a level of ambient light;

    said electronic circuitry also for comparing said output to a threshold level, said threshold level corresponding to a desired level of light; and

    said electronic circuitry for providing an output signal indicative of said desired level of light.

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