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:
Oct. 18, 1983
Filed:
Jul. 07, 1981
Applicant:
Inventor:
Yoshihiko Okamoto, Minami-ashigara, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; G01J / ;
U.S. Cl.
CPC ...
2503272 ; 2503541 ;
Abstract
In a radiation image information read out apparatus using a stimulable phosphor in which a radiation image is once recorded and then read out by use of stimulating rays impinging thereupon, the gain of the read out system is controlled according to a fluctuation of the intensity of the stimulating ray source by use of an additional photodetector. The read out gain is also controlled according to the radiographic conditions by means of the standard signal for setting the sensitivity level of the read out system.