X-ray photographic apparatus

Details X-ray photographic apparatus X-ray photographic apparatus

1981-06-26

1982-08-24

Smith, Alfred E.

X-ray or gamma ray systems or devices

Electronic circuit

X-ray source power supply

315107, H05G 134, H05G 158

Patent

active

043462979

ABSTRACT:
The disclosure relates to an X-ray photographic apparatus which can prevent the overshoot of the tube current, which is apt to generate at the start of X-ray radiation. The apparatus comprises an integration capacitor which is charged by the preset preheating level setting voltage during the preheating period, an integration circuit which integrates the difference between the reference voltage and the detection voltage corresponding to the X-ray tube current during the X-ray radiation and a filament heating current control circuit driven by said integration circuit.

REFERENCES:
patent: 4072865 (1978-02-01), Craig

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