Integrated proximity sensor and light sensor

  • US 8,536,507 B2
  • Filed: 03/30/2010
  • Issued: 09/17/2013
  • Est. Priority Date: 09/30/2005
  • Status: Active Grant
  • ×
    • Pin Icon | RPX Insight
    • Pin
First Claim
Patent Images

1. An apparatus to sense proximity and to sense light, the apparatus comprising:

  • an emitter of electromagnetic radiation;

    a detector of electromagnetic radiation, the detector having a sensor configured to detect electromagnetic radiation from the emitter when the apparatus is sensing proximity and configured to detect electromagnetic radiation from a source other than the emitter when the apparatus is sensing light, wherein the emitter is configured to emit IR light;

    processing logic to distinguish between IR light emitted by the emitter and ambient IR light when the apparatus is sensing proximity.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×