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Character input device

  • US 9,182,907 B2
  • Filed: 04/08/2011
  • Issued: 11/10/2015
  • Est. Priority Date: 04/08/2010
  • Status: Active Grant
First Claim
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1. A character input device, comprising:

  • a display configured to display a candidate area, a text area, and a keyboard area including a plurality of buttons;

    a touch sensor configured to detect a touch gesture with respect to the display; and

    a control unit configured to control the display to displaythe keyboard area, andwhen the touch sensor detects a touch gesture in which a touch is started at a first position in the keyboard area and is maintained to a second position in the keyboard area, candidate character strings in the candidate area on the display as candidates of a character string input by the touch gesture, whereinthe candidate character strings displayed in the candidate area are obtained by prediction processing or conversion processing based on characters corresponding to buttons on a trajectory of the touch gesture from the first position to the second position, while the touch is maintained in the keyboard area, andwhen the touch sensor detects the touch gesture in which the touch is started at the first position, continuously maintained to the second position, and further continuously maintained to the candidate area, and when a specific curved gesture, which is performed while the touch is maintained in the candidate area, is detected on one of the candidate character strings, the control unit is configured to control the display to display the one candidate character string in the text area as input text.

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