MOVEMENT OF ELECTRONIC TIMEPIECE AND ELECTRONIC TIMEPIECE
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United States of America Patent
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Sep 24, 2020
app pub date -
Aug 7, 2018
filing date -
Sep 8, 2017
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Abstract
To lower magnetic influence on a stepping motor covered by a magnetic shielding plate in an electronic timepiece and a movement, a movement of an electronic timepiece includes a stepping motor having a rotor, a stator, and a coil in which a conductive wire is wound around a coil winding core; and a magnetic shielding plate that covers at least a part of the stepping motor, wherein the magnetic shielding plate includes slits as magnetic flow changing portions that change magnetic flows which are directed toward the coil winding core to magnetic flows which are not directed toward the coil winding core, and the slits are formed in portions of the magnetic shielding plate, which correspond to extended lines from both end portions of the coil winding core, respectively, to intersect with the extended lines.
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