X-ray or gamma ray systems or devices – Specific application – Computerized tomography
Reexamination Certificate
2007-03-21
2008-10-21
Kiknadze, Irakli (Department: 2882)
X-ray or gamma ray systems or devices
Specific application
Computerized tomography
C378S195000
Reexamination Certificate
active
07440538
ABSTRACT:
In an apparatus without a helical movement, a reconstruction error considerably increases as a radiation angle increases. In a prior art embodiment, for example, a one-side value of the radiation angle is 9.5 degrees, and it is predicted that the reconstruction error at its periphery considerably increases. In a radiation imaging apparatus including a radiation generating source for radiating radiation to a subject, a rotating unit for rotating the subject exposed to the radiation from the radiation generating source, and a two-dimensional detector for detecting radiation, a distance between the radiation generating source and the two-dimensional detector is approximately set to a value equal to or more than 240 cm.
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Canon Kabushiki Kaisha
Kiknadze Irakli
Morgan & Finnegan , LLP
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