Encoder module for use in cursor control device

Details Encoder module for use in cursor control device Encoder module for use in cursor control device

1996-09-27

1999-06-29

Brier, Jeffery

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

345184, 341 20, G09G 500, G09F 3033

Patent

active

059174730

ABSTRACT:
An encoder module for use in a three-dimensional cursor control device adapted for encoding process is disclosed. The encoder module of the present invention comprises a positioning base having a pair of corresponding positioning members, a signal generating device mounted between the pair of corresponding positioning members for generating encoding signals, the signal generating device includes a rotating member having a central portion and having an electrical contact on its surface, an axis reeving through the central portion of the rotating member for positioning the rotating member between the pair of corresponding positioning members, and a plate connected with the axis and having a plurality of electrical brushes on its surface. Wherein the electrical contact is intermittently engaged with the electrical brushes by rotating the rotating member.

REFERENCES:
patent: 4612539 (1986-09-01), Hosogoe et al.
patent: 4636621 (1987-01-01), McGeorge
patent: 4806917 (1989-02-01), Hosogoe
patent: 5095303 (1992-03-01), Clark et al.
patent: 5298919 (1994-03-01), Chang
patent: 5446481 (1995-08-01), Gillick et al.
patent: 5530455 (1996-06-01), Gillick et al.

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