Radiant energy – Invisible radiant energy responsive electric signalling – Including a radiant energy responsive gas discharge device
Patent
1981-09-15
1984-10-16
Smith, Alfred E.
Radiant energy
Invisible radiant energy responsive electric signalling
Including a radiant energy responsive gas discharge device
2502521, 378157, G01T 1185
Patent
active
044777280
ABSTRACT:
A radiation detector adapted to be used with a computerized tomographic apparatus, wherein filters prepared from a radiation-absorbing material are provided on the outside of a radiation-permeable window in the positions facing radiation-detecting cells. The filters compensate for differences between the radiation-detecting properties of the detection cells, thereby equalizing said radiation-detecting properties.
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patent: 4041315 (1977-08-01), Hounsfield
patent: 4051379 (1977-09-01), Zacher
patent: 4075527 (1978-02-01), Cummings
patent: 4288695 (1981-09-01), Walters et al.
Fields Carolyn E.
Smith Alfred E.
Tokyo Shibaura Denki Kabushiki Kaisha
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