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Mobile electronic device and method

  • US 9,215,311 B2
  • Filed: 03/23/2012
  • Issued: 12/15/2015
  • Est. Priority Date: 03/25/2011
  • Status: Active Grant
First Claim
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1. A mobile electronic device, comprising:

  • a detector unit configured to detect a position and an orientation of the mobile electronic device; and

    a control unit configured to generate mark information, which indicates a moving route of the mobile electronic device, based on the position of the mobile electronic device detected at each predetermined distance interval or at each predetermined time interval,wherein the control unit is configured to,upon detecting a corner in the moving route based on a change in the detected orientation of the mobile electronic device,shorten, for a first predetermined period, the interval at which the position and/or the orientation of the mobile electronic device is detected,wherein the control unit is further configured to add information of the orientation of the mobile electronic device to the generated mark information, andwherein, when the detector unit detects a change of the orientation of the mobile electronic device from a former orientation,the detector unit is configured to monitor the orientation of the mobile electronic device for a second predetermined period, andthe control unit is configured todetermine that the corner is detected, when the mobile electronic device does not return to the former orientation within the second predetermined period, anddetermine that the corner is not detected, when the mobile electronic device returns to the former orientation within the second predetermined period.

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