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:
May. 01, 1990
Filed:
Nov. 02, 1988
Applicant:
Inventor:
Toshiro Bando, Yokohama, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355200 ; 364131 ;
Abstract
A control system for a copier, printer, facsimile apparatus or similar image forming apparatus which uses electrophotography controls, by digital control and by using a single signal line, a respective one of various control units for implementing image forming processes such as a grid power source for a main charger, a bias power source for development, a transfer charger power source, an exposing lamp regulator, and a fixing roller temperature controller.
Bando, Toshiro. (1990). Control system for an image forming apparatus (U.S. Patent No. 4922293). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4922293
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile