Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1978-08-10
1980-06-17
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
313 94, H01J 3150
Patent
active
042085772
ABSTRACT:
An X-ray amplifier tube of the proximity design in which the scintillator screen, the photo-cathode screen and the output phosphor display screen are all segmented, with the segmentations of each screen being in registry with those of the other screens. In some embodiments one or more apertured masks are interposed between the scintillator-photocathode screen assembly and the output phosphor display screen, or ahead of the scintillator-photocathode screen assembly, the apertures of the masks being in registry with the segmentations of the scintillator-photocathode screen and the output phosphor display screen.
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Diagnostic Information Inc.
Nelms David C.
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