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:
May. 26, 1992
Filed:
Apr. 09, 1991
Applicant:
Inventors:
Tetsuo Ohara, Kanagawa, JP;
Tsutomu Miura, Kanagawa, JP;
Shinichi Hagiwara, Kanagawa, JP;
Shigeomi Koshimizu, Kanagawa, JP;
Eiichi Shimizu, Kanagawa, JP;
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
474-1 ;
Abstract
A rotational speed switcher which employs a synchronous motor which is low-cost, long-lasting and quiet, and when applied to a printer or document scanning apparatus or the like enables documents to be transported at either of two speeds selected by switching the motor between forward and reverse operating modes without changing the direction of rotation of the drive shafts.