Thermal printer and thermal printing method

A thermal printer has a thermal head including plural heating elements. The heating elements are arranged in an array in a main scan direction, are driven according to image data, for recording an image to thermosensitive recording paper moved in a sub scan direction. The recording paper has a size...

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Bibliographic Details
Main Author KATSUMA NOBUO
Format Patent
LanguageEnglish
Published 17.12.2002
Edition7
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:A thermal printer has a thermal head including plural heating elements. The heating elements are arranged in an array in a main scan direction, are driven according to image data, for recording an image to thermosensitive recording paper moved in a sub scan direction. The recording paper has a size smaller in the main scan direction than the thermal head. The thermal printer includes two arrays of photo receptor elements for detecting two lateral edges of the recording paper, to determine effective heating elements in contact with the recording paper among the heating elements. A data correcting unit effects a correcting process to part of the image data for heating elements of a first group included in the effective heating elements. The first group contacts each of the two lateral edges and a near portion near to the lateral edge with reference to the main scan direction in the recording paper.
Bibliography:Application Number: US20010987187