04649499 is referenced by 89 patents and cites 8 patents.

Computer programs are provided which utilize a touchscreen to emulate three-dimensional objects on a two-dimensional computer screen. One program, called personal cardfile (PCF), combines the convenience of a desktop rotary cardfile with the power of a computerized product. PCF presents an image of a rotary file, complete with "knobs" for flipping through "cards" in a cardfile, and "tabs" for selecting "cards" to be represented individually on the touchscreen. Another program, called financial computer (FC), emulates an HP12C handheld financial calculator. The HP12C calculator is manufactured by Hewlett-Packard Company, Palo Alto, Calif. On a computer touchscreen, an operator sees a familiar looking "calculator" and touches its "keys" to operate it, just as for a conventional three-dimensional calculator.

Title
Touchscreen two-dimensional emulation of three-dimensional objects
Application Number
6/586954
Publication Number
4649499
Application Date
March 7, 1984
Publication Date
March 10, 1987
Inventor
Robert R Burns
Santa Clara
CA, US
W Bruce Culbertson
Palo Alto
CA, US
Kyle Hurlbut
San Jose
CA, US
Sherry L Ramsey
Los Altos
CA, US
Steven M Weiss
Sunnyvale
CA, US
Jeffrey A Spoelstra
San Jose
CA, US
Karlie J Arkin
Santa Clara
CA, US
Wanda Shearer
Lafayette
CA, US
Jimmy Sutton
Santa Clara
CA, US
Agent
Douglas L Weller
Assignee
Hewlett Packard Company
CA, US
IPC
G06F 15/62
G08C 9/00
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