Magnetic ink reader and printer having the same
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United States of America Patent
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Jun 18, 2019
Grant Date -
Mar 7, 2019
app pub date -
Sep 5, 2018
filing date -
Sep 7, 2017
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A magnetic ink reader includes a conveyance mechanism for a sheet, a magnetizing mechanism configured to magnetize magnetic ink on the sheet and including a magnet having a first side of a first magnetic polarity, that is arranged to face a first surface of the sheet, and a yoke that is formed of a soft magnetic material and includes a base portion attached directly to a second side of the magnet, and an extension portion extending from the base portion such that an end surface of the extension portion faces a second surface of the sheet, and a magnetic detection head along the conveyance path and configured to detect magnetism of the magnetized magnetic ink on the sheet. A first distance between the conveyance path and the first side of the magnet is less than a second distance between the conveyance path and the end surface of the yoke.
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