Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1992-12-11
1994-08-02
Dzierzynski, Paul M.
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
250253, 25036310, G61V 500
Patent
active
053348389
ABSTRACT:
A radiation-sensing assembly adapted for sensing radiation emitted from a source of radiation which may be non-coal layers (shale and other materials) in a coal mine tunnel. The sensor assembly incudes a housing forming an enclosure for a radiation-sensing medium. A cover is provided on the top of the lower portion of the housing, and radiation passes through the cover to impinge on the sensing machine. The cover includes a collimator, which is built into the cover, to direct the radiation from the source to the sensing medium.
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patent: 4155594 (1979-05-01), Hartley et al.
patent: 4459478 (1984-07-01), Powell
patent: 4931638 (1990-06-01), Chernyak et al.
American Mining Electronics, Inc.
Dunn Drew A.
Dzierzynski Paul M.
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