Touchscreen two-dimensional emulation of three-dimensional objects
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United States of America Patent
Stats
-
Mar 10, 1987
Grant Date -
N/A
app pub date -
Mar 7, 1984
filing date -
Mar 7, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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.
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