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:
Oct. 05, 2004
Filed:
Aug. 13, 2001
Applicant:
Inventors:
Tetsuya Ohba, Hitachinaka, JP;
Akitomo Kuwabara, Hitachinaka, JP;
Assignee:
Hitachi Printing Solutions, Ltd., Kanagawa-Pref., JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41F 1/356 ;
U.S. Cl.
CPC ...
B41F 1/356 ;
Abstract
A web printer has a buffer for adjusting the traveling position of the web under its slack status, a tension assigning unit for assigning fixed tension to the web delivered from the buffer, a device for detecting the traveling position of the web delivered from the tension assigning unit, a sew correction unit for adjusting the skew of the web according to the output from the detection device, and an image forming unit that forms images on the web.