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Operation key registration system for a coordinate input device

  • US 6,225,983 B1
  • Filed: 10/05/1994
  • Issued: 05/01/2001
  • Est. Priority Date: 10/11/1990
  • Status: Expired due to Term
First Claim
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1. An apparatus for registering an operation key on a coordinate input surface of a coordinate input device, the coordinate input surface having a fixed key area and a freely set key area, comprising:

  • means for storing a fixed key table which correlates operation key information representing a function of a specified operation key with fixed area information representing a specified area of the fixed key area of the coordinate input surface, said specified operation key being a fixed operation key;

    means for selecting a registering mode;

    means for specifying the operation key;

    means for specifying a freely set sub-area of the freely set key area in response to an indication of one or two size-determining points on the coordinate input surface within a continuous range of variation; and

    means for producing a freely set key table that correlates operation key information representing a function of the specified operation key and further area information representing the freely set sub-area of the freely set key area of the coordinate input surface.

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