Radiant energy – Luminophor irradiation
Patent
1975-11-11
1977-08-02
Smith, Alfred E.
Radiant energy
Luminophor irradiation
A61B 600, H05G 130
Patent
active
040398129
ABSTRACT:
An X-ray diagnostic apparatus having an adjustable mAs-relay for determining the exposure time. The adjustable mAs-relay is used for determining the exposure time, wherein the X-ray tube voltage and the X-ray tube current are varied in conformance with the fluctuations of the voltage supply. An operational amplifier may be employed, whose characteristics may, in a simple manner, be coordinated with the desired cycle of the mAs-product, in dependence upon the voltage supply. Additional auxiliary components for the voltage supply correlation are not required in the inventive arrangement.
REFERENCES:
patent: 1603049 (1926-10-01), Hall
Grassme Ulrich
Soder Eickhardt
Grigsby T. N.
Siemens Aktiengesellschaft
Smith Alfred E.
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