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APPARATUS AND METHOD FOR CONTROLLING KEY LOCK IN PORTABLE TERMINAL

  • US 20090040018A1
  • Filed: 08/06/2008
  • Published: 02/12/2009
  • Est. Priority Date: 08/07/2007
  • Status: Active Grant
First Claim
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1. An apparatus for controlling a key lock in a portable terminal, the apparatus comprising:

  • a keypad having a plurality of key buttons for detecting at least one key input;

    a key buffer for temporarily storing input key information; and

    an input controller for storing the at least one key input, which is detected by the keypad, in the key buffer in a key lock state and for determining if a combination of key inputs stored in the key buffer comprises an unlock key combination.

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