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Unintended results detection in a pen-based computer system

  • US 5,768,418 A
  • Filed: 11/13/1995
  • Issued: 06/16/1998
  • Est. Priority Date: 12/10/1993
  • Status: Expired due to Term
First Claim
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1. In a computer system, having a pen input device used by a computer user for inputting handwritten data, a handwritten data recognition component, and an output device, a method comprising the computer-implemented steps of:

  • receiving handwritten data from the pen input device containing at least one handwritten character;

    recognizing the received handwritten data by the handwritten data recognition component to produce a recognized svmbol representing the received handwritten data;

    automatically analyzing the recognized symbol of the received handwritten data in order to detect potential misrecognition of the received handwritten data by the handwritten data recognition component; and

    when the analysis of the recognized symbol determines that the received handwritten data was potentially misrecognized,outputting an indication on the output device that the received handwritten data was potentially misrecognized by the handwritten data recognition component by displaying the recognized symbol;

    when the computer user indicates to accept the recognized symbol, providing the recognized symbol as a recognition of the received handwritten data; and

    when the computer user indicates to reject the recognized symbol, inputting from the computer user an intended symbol for the received handwritten data and providing the intended symbol as a recognition of the received handwritten data.

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