System with joystick to control velocity vector of a display cur

Details System with joystick to control velocity vector of a display cur System with joystick to control velocity vector of a display cur

1977-04-06

1979-04-03

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

273 85G, 340711, 340724, 340747, 340750, G06F 314

Patent

active

041480147

ABSTRACT:
A joystick control, which is moveable in the X and Y directions, generates X- and Y-coded signals indicative of the co-ordinate position of the joystick. The joystick has a normally central position; movement of the joystick to a non-central position indicates the directional vector along which movement of the display cursor, such as a cursor of a video cathode-ray tube display, is to proceed. The farther the joystick is from the central position, the faster the cursor moves along the indicated directional vector.

REFERENCES:
patent: 3422418 (1969-01-01), Simoneau
patent: 3491200 (1970-01-01), Wisnieff
patent: 4006474 (1977-02-01), Lukkarila
patent: 4045789 (1977-08-01), Bristow

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