Electricity: electrical systems and devices – Electric charging of objects or materials – Particulate matter
Patent
1981-03-17
1983-05-24
Duggan, Donovan F.
Electricity: electrical systems and devices
Electric charging of objects or materials
Particulate matter
361227, 310 10, 310308, B05B 502
Patent
active
043853404
ABSTRACT:
A method and apparatus for creating electrostatic field by forming a high resistive anodic-oxidized film on an electrostatic electrode and applying thereto a high voltage direct current including high frequency component resonatable with inherent resistance and capacitance in the high resistive film.
REFERENCES:
patent: 3273015 (1966-09-01), Fischer
patent: 3612923 (1971-10-01), Collier et al.
patent: 3895262 (1975-07-01), Ribnitz
patent: 3949410 (1976-04-01), Bassous et al.
patent: 4033506 (1977-07-01), Braun
patent: 4073002 (1978-02-01), Sickles et al.
Asahiokuma Sangyo Kabushiki Kaisha
Duggan Donovan F.
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