Coordinates input apparatus

Details Coordinates input apparatus Coordinates input apparatus

1993-10-04

1998-03-10

Liang, Regina

Computer graphics processing and selective visual display system

Display peripheral interface input device

Stylus

178 18, G09G 500

Patent

active

057266867

ABSTRACT:
There is provided a coordinates input apparatus in which a vibration input from a vibration pen having a piezoelectric transducer is detected by a plurality of vibration sensors attached to a vibration propagating plates such as an input tablet and the coordinates of this pen on the plate are detected. The tip of the vibration input pen is made of a material of a resin of the polyamideimide system such as thermoplastic polyamideimide or aromatic polyamideimide. With this material, a desired image can be smoothly input to the input tablet without scratching the glass surface thereof and the accurate coordinates can be detected.

REFERENCES:
patent: 4139576 (1979-02-01), Yoshimura et al.
patent: 4647771 (1987-03-01), Kato
patent: 4697244 (1987-09-01), Marakami et al.
patent: 4853494 (1989-08-01), Suzuki
patent: 4853496 (1989-08-01), Taniishi
patent: 4931965 (1990-06-01), Kaneko et al.

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