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Speaker activation for mobile communication device

  • US 8,254,984 B2
  • Filed: 10/14/2009
  • Issued: 08/28/2012
  • Est. Priority Date: 10/14/2009
  • Status: Active Grant
First Claim
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1. A method comprising:

  • operating a mobile communication device in a first mode wherein a speaker function is off;

    detecting at an optical sensor, placement of the mobile communication device in a specified position; and

    switching the mobile communication device to a second mode wherein said speaker function is on;

    wherein placement of the mobile communication device in a specified position comprises placement of the mobile communication device in a position wherein the optical sensor is directed towards a surface comprising a specified pattern.

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