X-ray generator comprising switching voltage regulator to reduce

Details X-ray generator comprising switching voltage regulator to reduce X-ray generator comprising switching voltage regulator to reduce

1990-01-17

1991-07-23

Westin, Edward P.

X-ray or gamma ray systems or devices

Electronic circuit

With switching means

378105, 378107, 363 16, H05G 156

Patent

active

050349732

ABSTRACT:
In a voltage generating system for an X-ray diagnosis apparatus, a smoothing filter is arranged between a rectifying circuit connected to an AC power source and a smoothing capacitor. In the smoothing filter, by a switching operation for a current from the rectifying circuit, a power source voltage and a current are of in-phase, and harmonic components included in the current can be eliminated. When a current limiting circuit and a smoothing capacitor are used in place of the smoothing filter, a voltage supplied to a DC-DC converter is set to be constant.

REFERENCES:
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patent: 4903181 (1990-02-01), Seidel
U.S. Patent application Ser. No. 909,130, filed by Tanaka, entitled "Rotary Anode Type X-Ray Apparatus".
U.S. Patent application Ser. No. 773,208, filed by Tanaka et al., entitled "Voltage-Resonance Type Power Supply Circuit for X-Ray Tube.".

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