Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1987-09-21
1989-05-30
Yusko, Donald J.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340710, G06F 3033
Patent
active
048355283
ABSTRACT:
A cursor control system for computer displays moves a cursor unambiguously in three dimensions using a two dimensional input device. The plane of movement of the two dimensional device is divided into logical regions which correspond to movement along a three dimensional axis. Movement of the two dimensional device into one of these regions causes the cursor to move along the corresponding axis of the display.
REFERENCES:
patent: 3643148 (1972-02-01), Brown et al.
patent: 3731299 (1973-05-01), Bouchard et al.
patent: 3833861 (1975-05-01), Heartz
patent: 4328491 (1982-05-01), Demetrescu et al.
patent: 4369439 (1983-01-01), Broos
Comfort James T.
Heiting Leo N.
Oberley Alvin
Sharp Melvin
Texas Instruments Incorporated
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