Apparatus for the generation of negative or positive atmospheric

Details Apparatus for the generation of negative or positive atmospheric Apparatus for the generation of negative or positive atmospheric

1975-10-28

1977-07-26

Envall, Jr., R. N.

Electricity: electrical systems and devices

Electric charge generating or conducting means

H05F 306

Patent

active

040385833

ABSTRACT:
Apparatus comprising at least one metallic point source generator of electrons or positive ions, and an apertured metal plate in front of said at least one source and arranged to act as an accelerating electric field screen, with said plate arranged to be raised to a voltage level between the voltage applied to said point source or sources and an earth voltage.

REFERENCES:
patent: 3611074 (1971-10-01), Weichardt
patent: 3643128 (1972-02-01), Testone
patent: 3843906 (1974-10-01), Leibrecht

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