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:
Mar. 14, 1995
Filed:
Sep. 17, 1993
Applicant:
Inventor:
Bobby Chang, Thousand Oaks, CA (US);
Assignee:
R. R. Donnelley & Sons Company, Lisle, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
F16H / ; B41J / ;
U.S. Cl.
CPC ...
474148 ; 347-5 ; 400103 ;
Abstract
An adjustment apparatus is disclosed which adjusts the resolution of a pulse encoder. The adjustment apparatus includes at least first and second pulley sets having different pulley ratios and having substantially equal belt perimeters. A pulley belt has a belt circumference substantially equal to the belt perimeters. The pulley belt is transferable from one pulley set to the other so as to adjust the resolution of the pulse encoder.