TRANSPORT APPARATUS, AND A PRINTING APPARATUS HAVING SAME

An upstream drive roller transports an elongate medium. An upstream tension sensor detects tension of the medium. A downstream drive roller transports the medium. A downstream tension sensor detects tension of the medium in a position between the upstream and downstream drive rollers. A control unit...

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Bibliographic Details
Main Authors Morizono Osamu, Takeuchi Katsuaki, KAKIMOTO Shoji
Format Patent
LanguageEnglish
Published 15.06.2017
Subjects
CORRECTION OF TYPOGRAPHICAL ERRORS
i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME
LINING MACHINES
PERFORMING OPERATIONS
PRINTING
SELECTIVE PRINTING MECHANISMS
STAMPS
TRANSPORTING
TYPEWRITERS
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Summary:An upstream drive roller transports an elongate medium. An upstream tension sensor detects tension of the medium. A downstream drive roller transports the medium. A downstream tension sensor detects tension of the medium in a position between the upstream and downstream drive rollers. A control unit controls transportation of the medium by operating the upstream drive roller based on a first difference which is a difference between a first detection value and a target value, operating the downstream drive roller based on a second difference which is a difference between a second detection value and a target value, and when a specific condition is satisfied, further operating the downstream driver roller with an adjustment value, which is based on the first difference, added to the second difference.
Bibliography:Application Number: US201615377566