05250929 is referenced by 77 patents and cites 4 patents.

An interactive overlay-driven computer display system wherein the selective activation of a software "switch" by the operator each time the digitizer stylus is contiguous to the overlay, causes a visual image of the overlay (which normally has selectable menu items printed thereon) to be automatically displayed on the monitor screen.

Title
Interactive overlay-driven computer display system
Application Number
7/734155
Publication Number
5250929
Application Date
July 29, 1991
Publication Date
October 5, 1993
Inventor
Keith A Combs
Kettering
OH, US
Clifford J Hoffman
Dayton
OH, US
Agent
J T Cavender
Assignee
Conference Communications
OH, US
IPC
G09G 3/02
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