X-ray or gamma ray systems or devices – Electronic circuit – With switching means
Patent
1983-12-22
1986-07-15
Church, Craig E.
X-ray or gamma ray systems or devices
Electronic circuit
With switching means
378105, 378112, H05G 154
Patent
active
046010513
ABSTRACT:
An inverter receives a d.c. voltage and delivers to an X-ray tube, by way of a high-voltage transformer, filter, and rectifier, a high-voltage d.c. output. The inverter is driven in response to control signals which are responsive to the difference between a voltage demand signal and a voltage feedback signal. The control signals are also responsive to various status conditions of the system which are monitored by a microprocessor. Inputs to the microprocessor include various signals which are indicative of voltage or current conditions. In this way, such conditions as an over-voltage at the output, an unbalance between the anode and cathode with respect to ground, or an excessive current flow are detected and precautionary measures are quickly taken to prevent further damage to the system.
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patent: 4221968 (1980-09-01), Franke
patent: 4234793 (1980-11-01), Amtmann
patent: 4309612 (1982-01-01), Aichinger
patent: 4317039 (1982-02-01), Romandi
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patent: 4375105 (1983-02-01), Baumann
patent: 4377002 (1983-03-01), Krause
patent: 4504895 (1985-03-01), Steigerwald
"A New High-Frequency Controlled X-Ray Generator System with Multi-Pulse Wave Shape", Weigl, Journal for Radiological Engineering, vol. 1, No. 1, Jun. 1983.
Carmena Angel D.
Santurtun Carlos M.
Beusse J. H.
Church Craig E.
General Electric Company
Stoner Douglas E.
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