Control device that can be used to designate and move an object

Details Control device that can be used to designate and move an object Control device that can be used to designate and move an object

1996-01-19

1998-08-04

Hjerpe, Richard A.

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

345156, G09G 508

Patent

active

057900973

ABSTRACT:
The control device embodying the invention comprises an operating disk that is mobile in all directions within a plane, a detection unit comprising four strain gauges leaning against said disk in two opposite couples of locations situated on two perpendicular axes, and a processing circuit capable of measuring the strains exerted in said plane on the strain gauges by the operating disk and which works out a command as a function of the amplitude of the strains detected by the strain gauges. The invention applies to the designation and moving of an object on a screen.

REFERENCES:
patent: 4680577 (1987-07-01), Straayer et al.
patent: 4879556 (1989-11-01), Duimel
patent: 4931781 (1990-06-01), Miyakawa
patent: 5327162 (1994-07-01), Soma
patent: 5400054 (1995-03-01), Dorst
patent: 5479191 (1995-12-01), Komatsu
patent: 5539478 (1996-07-01), Bertram et al.
patent: 5565891 (1996-10-01), Armstrong

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