Coordinate input apparatus

Details Coordinate input apparatus Coordinate input apparatus

1986-11-26

1988-10-04

Schreyer, Stafford D.

Telegraphy

Systems

Position coordinate determination for writing

340712, 338 99, G08C 2100

Patent

active

047757655

ABSTRACT:
A coordinate input apparatus including transparent upper and lower strip electrodes arranged to confront each other intersectionally with a transparent press-conductive member being placed between the upper and lower electrodes. The electrode arrangement formed on a transparent substrate is fitted on a display screen, allowing the operator to press the coordinate surface by the finger tip while viewing the display. An upper and lower strip electrodes become conductive by being pressed, generating a signal which represents the pressed position on the coordinates.

REFERENCES:
patent: 3560675 (1971-02-01), Krakinowski
patent: 4017848 (1977-04-01), Tannas
patent: 4208648 (1980-06-01), Naumann

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