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. 29, 2015
Filed:
Nov. 08, 2013
Markem-imaje Limited, Nottingham, GB;
Phillip Lakin, Woodthorpe, GB;
Dover Europe Sàrl, Vernier, CH;
Abstract
A method of detecting a reduction in tension in a tape, wherein the tape is transferable between a first spool () and a second spool () by a tape drive (), the tape drive () having a motor control system () which includes two DC motors () and a controller () for controlling the operation of the motors (), the tape drive () also having two spool supports (), each of which is suitable for supporting a spool () of tape, and each of which is driven by a respective one of the motors (), the method including storing a value relating to the current required to be supplied to each motor () to maintain tension in the tape, and comparing a value relating to the current being supplied to each of the motors () during tape transfer with the respective stored values.