Multi-dimension track-ring

Details Multi-dimension track-ring Multi-dimension track-ring

1994-01-21

1995-04-04

Brier, Jeffery

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

345166, G09G 302

Patent

active

054041520

ABSTRACT:
A pointing device is disclosed which does not need an operation space and with which data of three or more dimensions is easily inputted. A pointing device is formed by a switch button, a first dial, a second dial and a body. The first dial is disposed around the switch button and specifies X coordinate of a cursor position. The second dial is disposed around the first dial and specifies Y coordinate of a cursor position. The body houses the switch button and the first and the second dials. The first and the second dials are independently rotatable both clockwise and counter-clockwise.

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patent: 5122654 (1992-06-01), Koh et al.
patent: 5175534 (1992-12-01), Thatcher

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