The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 23, 2003
Filed:
Jul. 03, 2001
Applicant:
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01T 1/24 ;
U.S. Cl.
CPC ...
G01T 1/24 ;
Abstract
A radiation image pickup device comprises an image pickup element for converting radiation into an electric signal and picking up an image of an object, a circuit substrate electrically connected to the image pickup element and provided with at least either a circuit for controlling the input signal to the image pickup element or a circuit for processing the output signal from the image pickup element, active elements arranged on the circuit substrate and constituting the circuit and radiation shielding members for shielding the active elements from radiation, the radiation shielding members having a surface area smaller than that of the circuit substrate.