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Key input device for portable terminal

  • US 20070123320A1
  • Filed: 05/11/2006
  • Published: 05/31/2007
  • Est. Priority Date: 11/30/2005
  • Status: Abandoned Application
First Claim
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1. A key input device for a portable terminal including a plurality of keys, comprising:

  • at least one wheel key for rotating in multiple directions;

    at least one rotating unit allowing the least one wheel key to rotate in respective directions; and

    at least one switching unit provided under the at least one wheel key to sense rotation directions of the at least one wheel key and to sense a pressure generated by activation of the rotated wheel key by a user.

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