Electrode assembly having particular pressing plate and backplan

Recorders – Electric recording – Electrochemical

Patent

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Details

346155, G01D 1506

Patent

active

043085482

ABSTRACT:
The assembly includes a stylus board which comprises an insulating board which carries a plurality of styli, and a backplane board which is made up of a plurality of electrode strips carried by an insulating sheet and positioned to contact the array of styli with a sheet of paper between them for receiving electrostatic charge as a result of electrical signals applied to the styli and the backplane electrodes. To provide intimate and uniform contact between the stylus board and the backplane board, the backplane board has a rubber backing strip, by means of which pressure is applied thereto to cause the desired close and uniform contact between it and the stylus board.

REFERENCES:
patent: 3693181 (1972-09-01), Marshall
patent: 3774229 (1973-11-01), Blackwood
patent: 3824602 (1974-07-01), Gulati
patent: 3827056 (1974-07-01), Vano
patent: 3953861 (1976-04-01), Kipling
patent: 4013158 (1977-03-01), Strange
patent: 4183032 (1980-01-01), Ohbori

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