Patents Represented by Attorney, Agent or Law Firm L. Chau & Associates, LLP
  • Anti-aliased inking for pen computers
    Patent number: 6201528
    Abstract: An anti-aliased inking method and apparatus for pen computers is presented. The invention eliminates aliased imaging of pen strokes by a number of techniques, including a “replace-if-darker” method in the event of overlapping strokes, a “multiplication” method for strokes drawn against backgrounds of various intensities; and a combination of replace-if-darker and multiplication for strokes drawn against colored backgrounds.
    Type: Grant
    Filed: November 16, 1994
    Date of Patent: March 13, 2001
    Assignee: International Business Machines Corporation
    Inventors: Bruce D. Lucas, James Rush Rhyne, II, Catherine G. Wolf