Digitizing stylus having capacitive pressure and contact sensing

Details Digitizing stylus having capacitive pressure and contact sensing Digitizing stylus having capacitive pressure and contact sensing

1994-01-03

1995-08-01

Wieder, Kenneth A.

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

324686, 324690, 324 711, G01R 2726

Patent

active

054382750

ABSTRACT:
A stylus assembly in which a stylus is mounted in a housing for movement relative thereto. An electrical circuit is provided for sensing contact of the stylus with a writing surface and measuring the pressure exerted on the surface by the stylus.

REFERENCES:
patent: 4096758 (1978-06-01), Moore
patent: 4322977 (1982-04-01), Sell et al.
patent: 4498043 (1985-02-01), Heathcote et al.
patent: 4672154 (1987-06-01), Rodgers et al.
patent: 4786765 (1988-11-01), Yamanami et al.
patent: 5206785 (1993-04-01), Hukashima

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