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:
Sep. 22, 2009
Filed:
Jan. 23, 2004
Applicant:
Tsuneo Maki, Kanagawa, JP;
Inventor:
Tsuneo Maki, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H 3/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A sheet conveyance apparatus can convey a recording paper () in a stable condition irrespective of a kind of the material of the recording paper (). The sheet conveyance apparatus conveys a recording sheet () by attaching the recording paper () onto an endless conveyance belt () by applying electric charges onto a surface of the conveyance belt (). A charger () charges the surface of the conveyance belt () in a belt-like alternate voltage pattern (). A control part () controls a charge width (L) of the alternate voltage pattern () in a direction of conveyance of the recording paper ().