X-ray or gamma ray systems or devices – Electronic circuit – Exposure timer
Patent
1982-05-12
1984-04-10
Church, Craig E.
X-ray or gamma ray systems or devices
Electronic circuit
Exposure timer
358111, 378108, G03B 4116
Patent
active
044425376
ABSTRACT:
An exemplary embodiment includes an x-ray generator, an x-ray tube, and an x-ray image intensifier television chain, which comprises an x-ray image intensifier, an optical coupling member, a television pick-up tube of the vidicon type, a video amplifier, a regulating installation for the illumination level of the television pick-up tube, a control device for the control of the functional sequences and for the generation of the synchronous clock pulse frequencies, a deflection and focusing unit, and a video monitor. The control device is so designed that through the latter the regulating installation is capable of being switched over to a higher setpoint value; the deflection and focusing unit, to an operation for scanning with reduced frequency; and the x-ray generator to pulse operation with an increased dose rate.
REFERENCES:
patent: 4017679 (1977-04-01), Kemner
Church Craig E.
Siemens Aktiengesellschaft
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