X-ray diagnostic apparatus for use with an X-ray photographing d

Details X-ray diagnostic apparatus for use with an X-ray photographing d X-ray diagnostic apparatus for use with an X-ray photographing d

1974-04-26

1976-07-27

Church, Craig E.

Radiant energy

With charged particle beam deflection or focussing

With target means

250409, H05G 130

Patent

active

039719456

ABSTRACT:
An X-ray diagnostic apparatus and an auxiliary device, such as an X-ray photographing device which requires a fixedly predetermined exposure time, and which contains a control circuit for the X-ray dosage power or output with reference to a patient; a dosage output measuring arrangement; a comparator element connected to the latter for comparing the actual value of the X-ray dosage output with a reference value, which effects optimum film darkening for each particular exposure time; and adjusting means controlled by the output signal of the comparator element for adjustment of the X-ray tube voltage for equating the actual value of the dosage output with the reference value.

REFERENCES:
patent: 3546461 (1970-12-01), Craig
patent: 3585391 (1971-06-01), Siedband
patent: 3634871 (1972-01-01), Siedband
patent: 3746862 (1973-07-01), Lombardo
patent: 3842280 (1974-10-01), Herrick

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