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.

Date of Patent:
Jun. 03, 2014

Filed:

Sep. 21, 2011
Applicant:

Shigeo Tomita, Toyokawa, JP;

Inventor:

Shigeo Tomita, Toyokawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01); B65H 85/00 (2006.01); B65H 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A first conveyance path is a path for conveying paper from a paper feed unit to a registration roller. Passage of paper on the first conveyance path is detected by a first sensor and a second sensor. The first sensor detects passage of paper upstream from the second sensor. A second conveyance path is connected to the first conveyance path downstream from a detection position of the second sensor. In response to the first sensor detecting passage of paper, first preregistration correction is performed. In response to the second sensor detecting passage of paper, second preregistration correction is performed. If a first sheet of paper is supplied from the paper feed unit, the first preregistration correction is performed on a second sheet of paper conveyed following the first sheet. If the first sheet is conveyed from the second conveyance path, the second preregistration correction is performed on the second sheet.


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