Radiant energy – Invisible radiant energy responsive electric signalling – Including a radiant energy responsive gas discharge device
Patent
1991-06-03
1993-02-02
Fields, Carolyn E.
Radiant energy
Invisible radiant energy responsive electric signalling
Including a radiant energy responsive gas discharge device
250384, H01J 4702
Patent
active
051840197
ABSTRACT:
An alpha particle detector capable of detecting alpha radiation from distant sources. In one embodiment, a high voltage is generated in a first electrically conductive mesh while a fan draws air containing air molecules ionized by alpha particles through an air passage and across a second electrically conductive mesh. The current in the second electrically conductive mesh can be detected and used for measurement or alarm. The detector can be used for area, personnel and equipment monitoring.
REFERENCES:
patent: 2499830 (1950-03-01), Molloy
patent: 4441024 (1984-04-01), Anderson
patent: 4445037 (1984-04-01), Anderson
patent: 4451736 (1984-05-01), Cameron
patent: 4853536 (1989-08-01), Dempsey et al.
Cucchiara Alfred L.
Huchton Roger L.
MacArthur Duncan W.
McAtee James L.
Unruh Wesley P.
Dunn Drew A.
Fields Carolyn E.
Gaetjens Paul D.
Moser William R.
The United States of America as represented by the United States
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