Dose rate control in an X-ray system

Details Dose rate control in an X-ray system Dose rate control in an X-ray system

2006-02-02

2009-06-09

Song, Hoon (Department: 2882)

X-ray or gamma ray systems or devices

Electronic circuit

X-ray source power supply

C378S097000

Reexamination Certificate

active

07545915

ABSTRACT:
A controller for controlling the dose rate (exposure kV tube voltage) of an X-ray system, in which the actual dose rate is measured and compared with an optimal dose rate, and the resultant difference value is fed to a module (20) (e.g. a PID module) which is arranged to adjust the dose rate (by adjusting the exposure kV voltage) so as to minimize the difference value. No preset parameters are required to be entered prior to exposure.

REFERENCES:
patent: 4501010 (1985-02-01), Grassme
patent: 6490337 (2002-12-01), Nagaoka et al.
patent: 6754307 (2004-06-01), Brendler et al.
patent: 2003/0012340 (2003-01-01), Chornenky
patent: 2855405 (1980-10-01), None
patent: 9900054 (1999-01-01), None

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