Keystick miniature pointing device

Details Keystick miniature pointing device Keystick miniature pointing device

1998-06-01

2000-08-22

Chow, Dennis-Doon

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

159168, G09G 508

Patent

active

061079936

ABSTRACT:
A low-cost miniature joystick pointing device with improved performance, which may be mass produced from a small number of component parts, and which lends itself to production by automated machinery. An inner conductive contact is disposed inside of and surrounded by one or more outer contacts where deflection of the inner or outer contact results in a measurable resistance which may be interpreted by analog to digital or RC timing circuitry to produce speed and directional output.

REFERENCES:
patent: 5087904 (1992-02-01), DeVolpi
patent: 5317301 (1994-05-01), DeVolpi

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