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1. (WO2018078743) THERMAL PRINTER AND METHOD FOR CONTROLLING THERMAL PRINTER

Pub. No.:    WO/2018/078743    International Application No.:    PCT/JP2016/081719
Publication Date: Fri May 04 01:59:59 CEST 2018 International Filing Date: Thu Oct 27 01:59:59 CEST 2016
IPC: B41J 2/325
Applicants: MITSUBISHI ELECTRIC CORPORATION
三菱電機株式会社
Inventors: ABE Naoyuki
阿部 尚之
Title: THERMAL PRINTER AND METHOD FOR CONTROLLING THERMAL PRINTER
Abstract:
The purpose of the present invention is to improve image quality of panorama printing performed by a thermal printer. The thermal printer is provided with a joint position calculation unit and a control unit. The joint position calculation unit specifies joint positions between a plurality of images on the basis of an index indicating a difficulty in perceiving the joint position with the human eye, during panorama printing in which a panorama image of a size longer than a printing size of an ink ribbon is divided into a plurality of images of a size less than or equal to the printing size, wherein the plurality of images are separately printed in multiple printing operations so as to become joined together. The control unit controls a printing medium, the ink ribbon, and a thermal head so that the plurality of images divided at the joint positions specified by the joint position calculation unit are respectively thermally transferred, by means of a plurality of unit printing regions of the ink ribbon, to a plurality of continuous regions of the printing medium and become joined together.