X-Y direction input device

Details X-Y direction input device X-Y direction input device

1997-10-02

2000-08-01

Hjerpe, Richard A.

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

345166, 345167, G09G 302

Patent

active

060973706

ABSTRACT:
Disclosed is an X-Y direction input device which requires a smaller number of parts and is less costly. Frictional force applying means comprises a rolling contact roller held in rolling contact with a rotated spherical body, a resilient member inserted in a through hole formed at the axial center of the rolling contact roller, and support members holding both ends of the resilient member.

REFERENCES:
patent: 4612539 (1986-09-01), Hosogoe
patent: 4786892 (1988-11-01), Kubo et al.
patent: 4806917 (1989-02-01), Hosogoe
patent: 5815140 (1998-09-01), Kitazawa
patent: 5828364 (1998-10-01), Siddiqui

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