US 7,490,986 B2
Radiation image projection apparatus and radiation image projection method
Koji Takekoshi, Yokohama (Japan); Yuichi Nishii, Tokyo (Japan); and Hideto Shiozawa, Kawasaki (Japan)
Assigned to Canon Kabushiki Kaisha, Tokyo (Japan)
Filed on Feb. 12, 2008, as Appl. No. 12/29,964.
Claims priority of application No. 2007-035046 (JP), filed on Feb. 15, 2007.
Prior Publication US 2008/0198968 A1, Aug. 21, 2008
Int. Cl. A61B 6/08 (2006.01)
U.S. Cl. 378—206  [378/205] 10 Claims
OG exemplary drawing
 
1. A radiation image projection apparatus comprising:
an image acquisition unit configured to acquire a radiation image obtained by capturing an image of radiation transmitted through an object;
a mirror configured to transmit radiation and reflect visible light; and
a projection unit configured to project the radiation image as visible light onto the object by reflecting the visible light on the mirror, and by being arranged at a position optically equivalent to the position of a radiation generating unit configured to emit radiation onto the object by using the mirror.