Acoustic coordinate input device using a roughened surface to at

Telegraphy – Systems – Position coordinate determination for writing

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Details

367907, 340706, G08C 2100

Patent

active

048534960

ABSTRACT:
A coordinates input device comprises vibration means for generating vibration, a pin having an end to which the vibration generated by said vibration means is transmitted, and a vibration transmission plate having a roughened surface or resin coating on a pen abutment surface thereof, for transmitting the vibration.

REFERENCES:
patent: 4665282 (1987-05-01), Sato et al.

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