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Computer system interface surface with reference points and coded marks

  • US 7,057,608 B2
  • Filed: 11/12/2002
  • Issued: 06/06/2006
  • Est. Priority Date: 05/25/1999
  • Status: Expired due to Fees
First Claim
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1. A method of enabling users to interact with computer software running in a computer system via:

  • an interface surface having disposed therein or thereon information relating to the computer software and coded data indicative of an identity of the interface surface and of at least one reference point of the interface surface, the coded data comprising a plurality of substantially undifferentiated marks positioned relative to a set of predetermined nominal mark positions; and

    a sensing device which, when placed in an operative position relative to the interface surface, uses at least some of the coded data to sense indicating data indicative of;

    the identity of the interface surface; and

    at least one of a position and a movement of the sensing device relative to the interface surface;

    the method including the steps of, in the computer system;

    (a) recording an association between the identity and a description of the interface surface;

    (b) causing the interface surface to be printed, by printing the information related to the computer software and the coded data;

    (c) receiving the indicating data from the sensing device operated by the user;

    (d) using the indicating data and the description to identify at least one interactive element relating to the computer software; and

    (e) operating the computer software in accordance with instructions associated with the at least one interactive element.

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