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Touch entry of password on a mobile device

  • US 8,311,530 B2
  • Filed: 01/26/2007
  • Issued: 11/13/2012
  • Est. Priority Date: 01/26/2007
  • Status: Active Grant
First Claim
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1. An electronic mobile device, comprising:

  • a controller;

    a display coupled to the controller; and

    a touch pad coupled to the controller;

    the controller, in one input mode, moving a selection marker on a user interface screen on the display in response to input from the touch pad, and in a second input mode, performing authentication using a sequence of input events from the touch pad matching a predetermined passcode sequence corresponding to one or more directions of successive inputs detected by the touch pad, and in the second input mode being operative to interpret each distinct directional input as an input event corresponding to a fast input or a slow input in the predetermined passcode sequence corresponding to a predetermined sequence of input events corresponding to the fast input or the slow input.

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