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Information display device and document data editing method

  • US 8,928,610 B2
  • Filed: 12/14/2010
  • Issued: 01/06/2015
  • Est. Priority Date: 03/23/2010
  • Status: Expired due to Fees
First Claim
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1. An information display device comprising:

  • a display screen for displaying a character string;

    operation position detecting means adapted to detect an operation position on said display screen;

    character string selecting means adapted to, when two operations are simultaneously performed on said display screen, and two different operation positions are detected, on a basis of said detected operation positions, select a character string including one or more characters, the character string being displayed on said display screen;

    pinch operation detecting means adapted to, on a basis of a change in a distance between said operation positions, detect a pinch in operation that narrows the distance between said operation positions, and a pinch out operation that enlarges the distance; and

    character string converting means adapted to, on a basis of a result of the detection by said pinch operation detecting means, performs a conversion process of said selected character string, said conversion process is opposite to each other when said pinch in operation is detected and when said pinch out operation is detected, respectively, whereinin a case where the pinch in operation is detected, the character string converting means converts an upper case character in the character string into a corresponding lower case character, andin a case where the pinch out operation is detected, the character string converting means converts a lower case character in the character string into a corresponding upper case character.

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