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. 01, 1985
Filed:
Oct. 20, 1982
Applicant:
Inventor:
Shouji Takano, Kawasaki, JP;
Assignee:
Tokyo Shibaura Denki Kabushiki Kaisha, Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ; G03G / ; G03G / ;
U.S. Cl.
CPC ...
355-1 ; 355142 ; 355 38 ; 355 57 ; 355 68 ; 250216 ; 250228 ; 350174 ; 350630 ;
Abstract
The invention provides an image density detecting unit for an image formation apparatus, which is made of a transparent optical medium, which has a reflecting plate whose section is substantially a quadric surface, and which has a focusing unit for focusing, by means of the reflecting plate, light incident on the transparent optical medium at a predetermined position inside the transparent optical medium.
Takano, Shouji. (1985). Image density detecting unit for image formation apparatus (U.S. Patent No. 4544258). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4544258
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile