Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1985-08-09
1987-04-14
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
313525, H01J 3150
Patent
active
046581286
ABSTRACT:
An electron vacuum image intensifier for use in an x-ray diagnostic installation has an output screen followed by an objective lens system in the installation for connection to a picture receiving tube of a television chain. The carrier for the output luminescent screen of the intensifier is incorporated into the wall of the bulb or tube of the intensifier, and has a thickness corresponding to at least half of the diameter of the output image for avoiding reflections and improving the image quality.
REFERENCES:
patent: 3567947 (1971-03-01), Robbins
patent: 3622786 (1971-11-01), Walker et al.
patent: 4096381 (1978-06-01), Brown
Nelms David C.
Siemens Aktiengesellschaft
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