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:
Mar. 21, 1995
Filed:
Jul. 28, 1993
Applicant:
Inventors:
Masumi Sato, Yokohama, JP;
Keizo Yasuda, Yokohama, JP;
Motokazu Yasui, Yokohama, JP;
Kenichi Hasegawa, Yokohama, JP;
Eiji Sawamura, Yokohama, JP;
Masahiko Sato, Tokyo, JP;
Yasuhisa Kato, Yokohama, JP;
Masano Ehara, Yokohama, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355218 ; 15 77 ; 15102 ; 1341 / ; 1341 / ; 355200 ; 355210 ;
Abstract
An image forming apparatus has an erasing device therein which automatically erases an image formed on a sheet by a recording agent implemented by a decolorizable coloring agent, e.g., toner. The erasing device emits light having a wavelength range of 820 nm or so while generating heat and may be constituted by a halogen lamp. As a result, the sheet is regenerated and can be repetitively used.