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Method and system for controlling a handheld electronic device

  • US 7,523,012 B2
  • Filed: 07/03/2007
  • Issued: 04/21/2009
  • Est. Priority Date: 07/03/2007
  • Status: Active Grant
First Claim
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1. A method for controlling a mode of operation of a handheld electronic device, the method comprising the steps of:

  • determining whether the handheld electronic device is docked in a holster, wherein the holster is movably coupled to a swivel that allows the holster to be rotated about an axis of the swivel;

    measuring a first magnetic field density corresponding to an angular position of the swivel with respect to the holster when the handheld electronic device is docked in the holster; and

    generating a signal to change the mode of operation of the handheld electronic device due to the angular position of the swivel based on the measured first magnetic field density.

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