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:
Sep. 24, 2002
Filed:
Jun. 16, 2000
Applicant:
Inventor:
Thomas A. Everett, Dracut, MA (US);
Assignee:
ECRM, Inc., Tewksbury, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H 5/938 ;
U.S. Cl.
CPC ...
B65H 5/938 ;
Abstract
Tension is controlled in a recording medium fed from a roll by detecting a rotational velocity of the roll as the recording medium is fed, and applying a torque to the roll to maintain tension in the recording medium. The torque applied by the motor is controlled based on the rotational velocity of the roll.