Light sensor

  • US 6,737,629 B2
  • Filed: 12/23/2002
  • Issued: 05/18/2004
  • Est. Priority Date: 01/25/1999
  • Status: Expired due to Term
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First Claim
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1. A light sensor comprising:

  • a light transducer exposed to light, the exposed light transducer operative to accumulate charge in proportion to light incident over a predetermined integration period; and

    a sensor logic in communication with the exposed light transducer, the sensor logic operative to (a) reset the charge accumulated in the exposed light transducer at the beginning of the predetermined light integration period, (b) measure the charge accumulated by the exposed light transducer over the predetermined light integration period, and (c) determine a pulse having a width based on the measured accumulated exposed light transducer charge.

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