Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Patent
1996-01-03
1998-07-14
Brier, Jeffery
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
345159, G09G 508, G06F 3033
Patent
active
057811784
ABSTRACT:
A computer input device includes a non-conductive substrate with a first conductive pattern formed by a plurality of first conductive elements positioned on the substrate surface circumferentially around a circle. A second conductive pattern formed by a plurality of second conductive elements, each positioned on the surface between two first conductive elements. A contact member has a conductive surface which when manually operated by a user selectively connects one or more of the first conductive elements to one or more of the second conductive elements. The ones of the second conductive elements so connected can be detected to produce a signal indicating an angular direction in which a cursor on a computer screen.
REFERENCES:
patent: 5012230 (1991-04-01), Yasuda
patent: 5670955 (1997-09-01), Thorne, III et al.
patent: 5670988 (1997-09-01), Tickle
Blomeyer Alan Dean
Fischer Brian Eugene
Kautzer Jeffrey Alan
Roehm Steven Phillip
Brier Jeffery
General Electric Company
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