05517578 is referenced by 164 patents and cites 29 patents.

A note taking system that integrates word-processing functionality and computerized drawing functionality for processing ink strokes comprises novel methods that provide this functionality such as: a method for modeless operation of the note taking system that automatically switches between providing word-processing functionality and drawing functionality; a novel method for processing ink strokes as drawings, a unique method for processing ink strokes as writing, and other methods for parsing the ink strokes into words, lines, and paragraphs. The present invention also includes additional methods for manipulating figures such as a division between line and shape type figures, and a special handle performing either rotation or re-sizing.

Title
Method and apparatus for grouping and manipulating electronic representations of handwriting, printing and drawings
Application Number
8/64954
Publication Number
5517578
Application Date
May 20, 1993
Publication Date
May 14, 1996
Inventor
Michael P Thompson
San Carlos
CA, US
Gregory Stikeleather
Palo Alto
CA, US
Steven R Kusmer
San Francisco
CA, US
Dan Altman
Kula
HI, US
Agent
Greg T Sueoka
Assignee
aha software corporation
CA, US
IPC
G06F 17/21
G06T 7/60
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