Relative manipulated variable input device

Details Relative manipulated variable input device Relative manipulated variable input device

1997-04-29

1998-09-29

Hjerpe, Richard A.

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

345160, 345168, G09G 508

Patent

active

058151397

ABSTRACT:
The present invention concerns a relative manipulated variable input device which is capable of controlling the cursor movement in correspondence to the direction and amount of tilt of a control button and controlling the speed of the cursor movement in accordance with the force applied to the control button as well. Output data is generated using relative position data calculated from the difference between a pressed position and a reference position and a contact resistance value r.sub.p. The output data, which represents the direction and amount of tilt of the control button, is output in accordance with the force applied to the control button. The relative position data represents the direction and amount of tilt of the control button and the output data is produced based on the relative data. Hence, the cursor movement can be controlled by the direction and amount of tilt of the control button, and by changing the force exerted on the control button to change the contact resistance value r.sub.p, different output data corresponding to the force exerted on the control button can be provided even if the direction and amount of tilt of the control button are held unchanged.

REFERENCES:
patent: 4654647 (1987-03-01), Wedam
patent: 4736191 (1988-04-01), Matzke et al.
patent: 4887230 (1989-12-01), Noguchi et al.
patent: 4983786 (1991-01-01), Stevens et al.
patent: 5287089 (1994-02-01), Parson
patent: 5563629 (1996-10-01), Caprara

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