X-ray or gamma ray systems or devices – Electronic circuit – X-ray source power supply
Patent
1987-01-28
1988-11-08
Church, Craig E.
X-ray or gamma ray systems or devices
Electronic circuit
X-ray source power supply
378 4, 378 15, 378106, 378114, 323266, 363 24, 363 25, 363 26, 363 97, H05G 120
Patent
active
047837950
ABSTRACT:
An X-ray generator system has first and second switching devices such as transistors which are complementarily turned on and off to intermittently apply a DC voltage to the primary winding of a transformer for thereby inducing a high voltage across secondary windings of the transformer for enabling an X-ray tube to emit X-rays. The X-ray generator has a control mode in which the first and second switching devices are simultaneously turned on immediately before they start being complementarily turned on and off, for allowing the high voltage to have a sharply rising positive-going edge.
REFERENCES:
patent: 4030015 (1977-06-01), Herko et al.
patent: 4170734 (1979-10-01), Woodruff
patent: 4200795 (1980-04-01), Kawamura et al.
patent: 4223378 (1980-09-01), Koizumi
patent: 4255668 (1981-03-01), Harrison
patent: 4514795 (1985-04-01), Van der Zwart
Church Craig E.
Freeman John C.
Kabushikigaisha Toshiba
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