Radiant energy – Invisible radiation responsive nonelectric signalling – Methods
Patent
1991-05-02
1993-01-12
Fields, Carolyn E.
Radiant energy
Invisible radiation responsive nonelectric signalling
Methods
2504721, 250253, 250255, G01T 102
Patent
active
051792850
ABSTRACT:
An automatically processed alpha-track radon monitor is provided which includes a housing having an aperture allowing radon entry, and a filter that excludes the entry of radon daughters into the housing. A flexible track registration material is located within the housing that records alpha-particle emissions from the decay of radon and radon daughters inside the housing. The flexible track registration material is capable of being spliced such that the registration material from a plurality of monitors can be spliced into a single strip to facilitate automatic processing of the registration material from the plurality of monitors. A process for the automatic counting of radon registered by a radon monitor is also provided.
REFERENCES:
patent: Re33065 (1989-09-01), Alter et al.
patent: 3505523 (1970-04-01), Becker
patent: 4920272 (1990-04-01), Yoder
patent: 4954716 (1990-09-01), Wheeler
Dvorscak Mark P.
Fields Carolyn E.
Fisher Robert J.
Moser William R.
The United States of America as represented by the United States
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