Gyroscopic pointer

Details Gyroscopic pointer Gyroscopic pointer

1993-01-05

1995-08-08

Weldon, Ulysses

Computer graphics processing and selective visual display system

Display peripheral interface input device

345157, 364453, G09G 302

Patent

active

054403260

ABSTRACT:
A vertical gyroscope is adapted for use as a pointing device for controlling the position of a cursor on the display of a computer. A motor at the core of the gyroscope is suspended by two pairs of orthogonal gimbals from a hand-held controller device and nominally oriented with its spin axis vertical by a pendulous device. Electro-optical shaft angle encoders sense the orientation of a hand-held controller device as it is manipulated by a user and the resulting electrical output is converted into a format usable by a computer to control the movement of a cursor on the screen of the computer display. For additional ease of use, the bottom of the controller is rounded so that the controller can be pointing while sitting on a surface. A third input is provided by providing a horizontal gyroscope within the pointing device. The third rotational signal can be used to either rotate a displayed object or to display or simulate a third dimension.

REFERENCES:
patent: 4580006 (1986-04-01), Hull
patent: 4601206 (1986-07-01), Watson
patent: 4639547 (1987-01-01), Jacob-Grinschgl et al.
patent: 4831544 (1989-05-01), Hojo et al.
patent: 4839838 (1989-06-01), LaBiche et al.
Gardner, Design News, "Accelerometers for Exotic Designs", Jul. 17, 1989, pp. 55-57.

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