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.:

US 8857974 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 14, 2014

Filed:

Mar. 29, 2012
Applicants:

Hideo Izawa, Narashino, JP;

Yuuichi Yamazaki, Narashino, JP;

Inventors:

Hideo Izawa, Narashino, JP;

Yuuichi Yamazaki, Narashino, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/01 (2006.01);
U.S. Cl.
CPC ...
Abstract

A duplex printing apparatus comprising: a turnover unitarranged at one of a site between the paper supply unitand the feed roll uniton the paper supply side and a site between the paper takeup unitand the feed roll uniton the paper takeup side, whereby the web of paperis turned over through and is allowed to bypass the turnover unit; a mark sensorarranged upstream in a direction of travel of the paper for detecting a timing markprinted by the digital printeron an under surface of the paper; and a control unitoperable in response to a detection value from the mark sensor for controlling the digital printer so that on the upper surface of the paper there is printed an image corresponding to an image printed on the under surface of the paper.


Find Patent Forward Citations

Izawa, Hideo. (2014). Duplex printing apparatus (U.S. Patent No. 8857974). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8857974

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