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Ambient light sensing through the human body

  • US 10,043,485 B2
  • Filed: 03/19/2014
  • Issued: 08/07/2018
  • Est. Priority Date: 11/01/2013
  • Status: Active Grant
First Claim
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1. A watch comprising:

  • a display located on a first surface of the watch;

    one or more optical sensors located on a second surface, opposite the first surface, of the device and configured to detect a reflection of ambient light, from a source external to the watch, that has passed through a user; and

    logic coupled to the one or more optical sensors, the logic configured to;

    generate one or more signals based on the detected reflection of ambient light, andchange an operating state of the display based on the one or more signals.

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