X-ray or gamma ray systems or devices – Specific application – Computerized tomography
Reexamination Certificate
2006-02-21
2006-02-21
Glick, Edward J. (Department: 2882)
X-ray or gamma ray systems or devices
Specific application
Computerized tomography
C378S062000
Reexamination Certificate
active
07003069
ABSTRACT:
A radiographic apparatus includes an X-ray generator for irradiating a subject with X-rays, a rotating unit for rotating the subject irradiated with the X-rays, a two-dimensional detector for converting X-rays transmitted through the subject into projection-image data, an information extracting unit for extracting information regarding the subject from the projection-image data, a calculating unit for calculating an amount of shift, with respect to a vertical direction, of at least one of the X-ray generator, the two-dimensional detector, and the subject, based on the information extracted, a driving unit for changing a position, with respect to the vertical direction, of at least one of the X-ray generator, the two-dimensional detector, and the subject, and a controlling unit for controlling the driving unit according to the amount of shift calculated by the calculating unit.
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patent: 06-304164 (1994-11-01), None
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Canon Kabushiki Kaisha
Canon U.S.A. Inc. I.P. Div
Glick Edward J.
Thomas Courtney
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