Radiant energy – Invisible radiant energy responsive electric signalling – Semiconductor system
Reexamination Certificate
2006-03-28
2006-03-28
Porta, David (Department: 2884)
Radiant energy
Invisible radiant energy responsive electric signalling
Semiconductor system
C250S370090
Reexamination Certificate
active
07019300
ABSTRACT:
A radiation image taking apparatus includes a case that contains a radiation detecting unit that has a detection surface in which a photoelectric conversion element that detects a radiation transmitted through an object is located, a grid unit which is detachably attachable to an outside of the case and removes a scattered radiation, and a photo timer unit which is detachably attachable to the outside of the case and measures a dose of the radiation. One of a first mode in which the grid unit is attached to the case, a second mode in which the photo timer unit is attached to the case, and a third mode in which the grid unit is attached to the second mode can be freely used in configuration.
REFERENCES:
patent: 4457010 (1984-06-01), Jenkins et al.
patent: 2002/0090055 (2002-07-01), Zur et al.
Canon Kabushiki Kaisha
Morgan & Finnegan , LLP
Porta David
Vu Mindy
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