X-ray or gamma ray systems or devices – Electronic circuit – X-ray source power supply
Patent
1986-07-24
1988-04-26
Fields, Carolyn E.
X-ray or gamma ray systems or devices
Electronic circuit
X-ray source power supply
378111, 378112, 363 17, H05G 120, H05G 132
Patent
active
047410108
ABSTRACT:
A high voltage generating apparatus for an X-ray tube comprises an inverter for converting a DC voltage into an AC voltage, a high voltage transformer for boosting an output voltage of the inverter, a rectifier for converting an output voltage of the transformer into a DC voltage, and a detector for detecting an X-ray tube voltage to produce an output signal corresponding to the X-ray tube voltage. The output signal of the detector is sampled and held by a sample/hold circuit in synchronism with an operating period of the inverter so that the X-ray tube voltage is controlled in accordance with an error between an output signal of the sample/hold circuit and an X-ray tube voltage set level.
Hino Hirofumi
Ootakeguchi Masaji
Fields Carolyn E.
Hitachi Medical Corporation
Hynds Joseph A.
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