Method and device for setting the focal spot position of an...

Details Method and device for setting the focal spot position of an... Method and device for setting the focal spot position of an...

2006-02-21

2006-02-21

Church, Craig E. (Department: 2882)

X-ray or gamma ray systems or devices

Accessory

Alignment

C378S113000, C378S137000

Reexamination Certificate

active

07001071

ABSTRACT:
In a method and a device for setting the focal spot position of an X-ray tube the focal spot position is regulated as a controlled variable by a closed loop regulation circuit. A deflector deflects the electron beam of the X-ray tube depending on a deflection signal, a deflection closed loop regulator generates the deflection signal depending on a focal spot position signal. A measurement arrangement measures a focal spot position signal. The deflector, the deflection closed loop regulator and the measurement arrangement form a closed loop regulation circuit with the focal spot position as the controlled variable and with the deflection signal as the control parameter.

REFERENCES:
patent: 5550889 (1996-08-01), Gard et al.
patent: 5581591 (1996-12-01), Burke et al.

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