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Method and system for note taking using processing sensor

  • US 6,829,387 B2
  • Filed: 11/12/2002
  • Issued: 12/07/2004
  • Est. Priority Date: 05/25/1999
  • Status: Expired due to Fees
First Claim
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1. A method of enabling handwritten note taking and retrieval, the method including the steps of:

  • providing a user with at least one form printable on a surface, the form containing information relating to a notebook activity and including coded data indicative of an identity of the form and of at least one reference point of the form, the coded data and the information being printed substantially simultaneously;

    receiving, in a computer system, indicating data from a sensing device operated by said user, said indicating data regarding the identity of the form and at least one of a position and a movement of the sensing device relative to the form; and

    identifying in the computer system and from the indicating data, at least one parameter relating to the notebook activity, wherein the sensing device comprises;

    (a) an image sensor adapted to capture images of at least some of the coded data when the sensing device is placed in an operative position relative to the form; and

    (b) a processor adapted to;

    (i) identify at least some of the coded data from one or more of the captured images;

    (ii) determine an orientation, within the captured images, of at least some of the coded data;

    (iii) decode at least some of the coded data;

    (iv) determine movement of the sensing device in accordance with the coded data; and

    (iv) generate at least part of the indicating data using at least some of the decoded coded data, and the determined movement.

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