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.

Date of Patent:
Sep. 04, 1990

Filed:

Mar. 30, 1989
Applicant:
Inventors:

Tetsuhiko Takahashi, Tokyo, JP;

Kenichi Okajima, Hoya, JP;

Hiroshi Takeuchi, Matsudo, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
2503272 ; 2504841 ; 2502 / ;
Abstract

A radiographic image pickup apparatus for diagnosis using an image detector in which a phosphor layer for converting an X-ray image into an optical image, a photoconductive layer for storing an optical image as a latent image, light-emitting means for exciting the photoconductive layer segment by segment are laminated into a plate form, wherein one of the electrodes sandwiching the photoconductive layer and the light-emitting means are respectively divided into array-formed elements in directions orthogonal to each other, and an element selection circuit for successively selecting these elements and reading out said latent image in time sequential electric signal is formed integrally on the substrate of the image detector.


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