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. 13, 1983
Filed:
Sep. 07, 1982
Applicant:
Inventors:
Assignee:
Fuji Xerox Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B05C / ; G03G / ;
U.S. Cl.
CPC ...
118712 ; 118665 ; 118691 ;
Abstract
A device for detecting and controlling developing agent toner density includes a rotating magnet for forming a magnetic brush of developing agent and an electrically conductive glass plate for separating the toner from the carrier so that the density of the toner can be optically measured and used to control the addition of toner to the developing agent.
Okamura, Akio. (1983). Developing agent density controlling device (U.S. Patent No. 4419960). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4419960
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile