Telegraphy – Systems – Position coordinate determination for writing
Patent
1993-04-29
1995-05-09
Chin, Stephen
Telegraphy
Systems
Position coordinate determination for writing
178 19, 345173, 345179, G08C 2100, G09G 302
Patent
active
054142270
ABSTRACT:
An architecture is disclosed for improved tilt detection for a radiative pickup stylus. The architecture includes a contact sensing mechanism and a coaxial conductor assembly which provides both position measurement and tilt sensing measurement features. By using the contact sensor to establish a calibration for the position and tilt detection elements, an improved, highly accurate position and tilt sensing capability is provided for radiative pickup stylus for a digitizing display.
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Gray Michael
Schubert Karl D.
Verrier Guy F.
Chin Stephen
Grosser George E.
Hoel John E.
International Business Machines - Corporation
Shankar Vijay
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