Recorders – Electric recording – Electrochemical
Patent
1987-11-27
1989-02-07
Evans, Arthur G.
Recorders
Electric recording
Electrochemical
31511181, G01D 1500
Patent
active
048035033
ABSTRACT:
An electrostatic charging system that incorporates a thermally activated glow discharge ion generating technique. An large AC potential is applied between a pair of spaced apart electrodes. A heater disposed near the electrode pair gap is selectively activated to heat the gases in the region of gap to induce ionization. A DC potential applied to a third electrode draws the ionized particles toward a dielectric material to place an electrostatic charge thereon.
REFERENCES:
patent: 2985786 (1981-05-01), Humphrey
patent: 4558334 (1985-12-01), Foland
patent: 4684848 (1987-08-01), Kaufman
Evans Arthur G.
Ricoh Corporation
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