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6-Key keyboard for touch typing

  • US 20050099397A1
  • Filed: 12/10/2004
  • Published: 05/12/2005
  • Est. Priority Date: 06/12/2003
  • Status: Active Grant
First Claim
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1. An input device comprising:

  • six keys; and

    a control unit which outputs predetermined character codes when the six keys are pressed, wherein the control unit realizes;

    dividing a predetermined character set into no more than six groups each including six characters or less, and assigning each of the groups to one of the six keys;

    after a key to which any one of the groups is assigned is pressed, assigning each of the characters included in the group assigned to the pressed key to one of the keys; and

    when a key to which any one of the characters is assigned is pressed, outputting a character code of the character.

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