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:
Jul. 03, 1990
Filed:
Feb. 08, 1989
Nobuo Kasahara, Yokohama, JP;
Yukio Noguchi, Yokohama, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An illuminating system for a photocopier utilizing plural lamps. The photocopier utilizes a single slit system with a single photoconductive element. A reflector carries a plurality of pairs of lamps along the longitudinal direction of the reflector. The corresponding lamps of each pair are connected in two lamp circuits which are separately controlled. the controller controls each circuit to be either off or have a controlled voltage applied to the circuit, where the voltage is variable in a number of steps.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile