Data input board

Details Data input board Data input board

1989-05-30

1990-06-19

Schreyer, Stafford D.

Telegraphy

Systems

Position coordinate determination for writing

G08C 2100

Patent

active

049344706

ABSTRACT:
A data input board for the electrical detection of the coordinates of a writing tip includes a rigid plate and an elastic plate with electrically conductive surfaces facing each other at a small distance which contact point by point under the effect of a writing tip. The elastic plate is formed as a stretched, coated sieve tissue in order to avoid the requirement of spacers within the input surface.

REFERENCES:
patent: 4149029 (1979-04-01), Pobgee
Patent Abstracts of Japan, P-414, Dec. 18, 1985, vol. 9, No. 323.

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