Acoustic coordinate input device using a roughened surface to at

Details Acoustic coordinate input device using a roughened surface to at Acoustic coordinate input device using a roughened surface to at

1988-03-22

1989-08-01

Schreyer, Stafford D.

Telegraphy

Systems

Position coordinate determination for writing

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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