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:
Apr. 24, 1984
Filed:
May. 06, 1982
Applicant:
Inventors:
Tadashi Fujii, Yokohama, JP;
Tomoyuki Yamaguchi, Chiba, JP;
Assignee:
Ricoh Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
346 75 ; 346-11 ;
Abstract
An ink jet recording process comprising jetting aqueous ink through a narrow nozzle, recovering the unused aqueous ink that has not reached the surface of an object to be recorded within an ink jet printer and then circulating it for re-use, characterized in that said aqueous ink is brought into contact with an ion-exchange resin in at least one location in the ink circulating system within said printer.