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System and method for controlling user access to an electronic device

  • US 8,352,745 B2
  • Filed: 04/10/2012
  • Issued: 01/08/2013
  • Est. Priority Date: 02/23/2000
  • Status: Expired due to Fees
First Claim
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1. A system comprising:

  • a touch screen upon which a user is to enter, by drawing, a geometric pattern in a specified direction to gain access to the system; and

    a processing circuit coupled to the touch screen to compare the user entered geometric pattern to a predefined geometric pattern stored in a memory.

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