X-ray computed tomography apparatus

Details X-ray computed tomography apparatus X-ray computed tomography apparatus

2007-05-08

2007-05-08

Glick, Edward J. (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

C378S110000, C378S112000

Reexamination Certificate

active

11186871

ABSTRACT:
A plurality of region-specific areas are set on a scanogram, and an image SD value is set for each region-specific area. A tube current calculating unit calculates a tube current value at each position on the basis of a tube current pattern in a tube current pattern storage unit, an image SD value for each region-specific area, and a CT value at each position on the scanogram in each region-specific area. A scan controller controls X-ray emission in accordance with a calculated tube current value at each position.

REFERENCES:
patent: 6141398 (2000-10-01), He et al.
patent: 6490337 (2002-12-01), Nagaoka et al.
patent: 6754301 (2004-06-01), Horiuchi
patent: 6956929 (2005-10-01), Wolf et al.
patent: 2003-70779 (2003-03-01), None

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