Computer input device using the movements of a user's fingers

Details Computer input device using the movements of a user's fingers Computer input device using the movements of a user's fingers

1990-05-30

1992-12-29

Oberley, Alvin E.

Communications: electrical

Land vehicle alarms or indicators

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

340709, 74491, G09G 302

Patent

active

051755343

ABSTRACT:
Disclosed is an input device for a computing machine which allows a user to input one, two, three, or more position signals controlling the same number of parameters. Such parameters can be the x, y, and z axis positions of a cursor on a display. The present invention includes structures for encoding the movement of the users fingers into position signals. The present invention is arranged so the differential movement of two of the user's fingers in a first plane generates one of the position signals. The differential movement provides that as a first finger is moved, a second finger is moved in an opposite direction and an amount proportional to the movement of the first finger. The differential movement of the user's fingers allows for more efficient, precise, and less tiresome operation by a user than with other input devices. Embodiments of the present invention can possess movement in one, two, three, or more, degrees of freedom and are able to generate one, two three, or more, position signals. In a preferred application of the present invention, apparatus embodying the present invention possessing three degress of motion can be adapted to interactively control a cursor's horizontal, vertical and zoom movements on the x, y, and z axes, respectively, on a computing machine display.

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patent: 4823634 (1989-04-01), Culver
patent: 4933670 (1990-06-01), Wislocki

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