Radiant energy – Invisible radiant energy responsive electric signalling – Including a radiant energy responsive gas discharge device
Patent
1995-02-27
1996-05-07
Willis, Davis L.
Radiant energy
Invisible radiant energy responsive electric signalling
Including a radiant energy responsive gas discharge device
2503851, 250DIG2, G01T 118
Patent
active
055148727
ABSTRACT:
An alpha detector for application in areas of high velocity gas flows, such as smokestacks and air vents. A plurality of spaced apart signal collectors are placed inside an enclosure, which would include smokestacks and air vents, in sufficient numbers to substantially span said enclosure so that gas ions generated within the gas flow are electrostatically captured by the signal collector means. Electrometer means and a voltage source are connected to the signal collectors to generate an electrical field between adjacent signal collectors, and to indicate a current produced through collection of the gas ions by the signal collectors.
REFERENCES:
patent: 4859854 (1989-08-01), Kershner et al.
patent: 5053624 (1991-10-01), Kronenberg
patent: 5059803 (1991-10-01), Kronenberg
patent: 5194734 (1993-03-01), MacArthur et al.
Bolton Richard D.
Bounds John A.
Rawool-Sullivan Mohini W.
Eklund William A.
Hanig Richard
The Regents of the University of California
Willis Davis L.
Wyrick Milton D.
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