Method and arrangement relating to x-ray imaging

Details Method and arrangement relating to x-ray imaging Method and arrangement relating to x-ray imaging

2005-02-14

2009-02-24

Song, Hoon (Department: 2882)

X-ray or gamma ray systems or devices

Electronic circuit

Exposure timer

C378S097000, C378S037000

Reexamination Certificate

active

07496176

ABSTRACT:
The present invention relates to a method and arrangement for controlling exposure in an e-ray apparatus, for depicting an object. The apparatus comprises an x-ray source and a displaceable detector being arranged to move with a controllable speed across an image exposure area. The method comprises the step of: acquiring a signal relating to photons incident on at least a part of the detector, comparing said acquired signal with a target value, and controlling the speed of detector, displacement with respect to the result of the comparison.

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patent: 4972458 (1990-11-01), Plewes
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patent: 6873682 (2005-03-01), Francke et al.
patent: 2003/0174806 (2003-09-01), Francke et al.
patent: 2004/0141588 (2004-07-01), Francke et al.
patent: 2004/0157853 (2004-08-01), Bonnert

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