Method and apparatus for controlling x-ray tube emissions

Details Method and apparatus for controlling x-ray tube emissions Method and apparatus for controlling x-ray tube emissions

1981-09-25

1982-12-28

Smith, Alfred E.

X-ray or gamma ray systems or devices

Electronic circuit

X-ray source power supply

378112, 378 16, A61B 600, H05G 126

Patent

active

043665756

ABSTRACT:
Method and apparatus for rapidly achieving stabilized x-ray emissions from an x-ray tube are disclosed. The essentially constant current characteristics of an x-ray tube are utilized so as to initially establish relatively low voltage but approximately full current, operating conditions in the x-ray tube during an initial tube preparation time period. Any relatively low energy x-rays emitted during this initial period are of little concern since they are readily absorbed in the usual beam hardening materials placed in the x-ray path. Once the x-ray tube has been stabilized at such relatively low energy output, the operating voltage may thereafter be very rapidly raised to normal operating levels while permitting concurrent rapid stabilization of the relatively small corresponding further required increase in x-ray tube current which, in turn, provides for rapid stabilization of the useful high energy x-ray tube emissions.

REFERENCES:
patent: 2343729 (1944-03-01), Atlee et al.
patent: 2667587 (1954-01-01), Kuntke et al.
patent: 4101773 (1978-07-01), Le May

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