Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Patent
1997-09-18
2000-07-04
Hjerpe, Richard A.
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
345161, G09G 508
Patent
active
060845708
ABSTRACT:
A compact cursor controller includes a housing having an opening through the top thereof. A controller structure is substantially disposed within the housing and has a puck extending through the opening and a first brush within the housing and a second brush within the housing. A printed circuit board is disposed within the housing and coupled to the first brush and the second brush and configured to generate a first sensor signal in response to movement of the first brush on a first conductive strip and to generate a second sensor signal in response movement of the second brush on a second conductive strip oriented perpendicular to the first conductive strip. A processor is coupled to the first conductive strip and the second conductive strip and configured to receive the first sensor signal and the second sensor signal to determine a position of the puck. The processor then sends a puck position signal to a computer. Advantages of the invention include compact size and a high degree of accurate cursor control. Moreover, the invention provides good ergonomics that reduces fatigue.
REFERENCES:
patent: 4670743 (1987-06-01), Zemke
patent: 5293158 (1994-03-01), Soma
patent: 5760764 (1998-06-01), Martinelli
Altra Corporation
Dinh Duc
Hjerpe Richard A.
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