Method for focus adjustment in a CT apparatus

Details Method for focus adjustment in a CT apparatus Method for focus adjustment in a CT apparatus

2007-10-02

2007-10-02

Song, Hoon (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

C378S205000

Reexamination Certificate

active

11482263

ABSTRACT:
In a method for non-iterative focus adjustment in a CT apparatus the position of the center ray with regard to the movement direction of the focus and the correct phase between the detector sampling frequency and the focus springing frequency are calculated with a minimal number of sinogram acquisitions and is adjusted without iterative steps, corresponding to predetermined values.

REFERENCES:
patent: 5625661 (1997-04-01), Oikawa
patent: 6256369 (2001-07-01), Lai

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