| 摘要 |
PROBLEM TO BE SOLVED: To improve a recording speed of a recording head by quickly cancelling a remanent magnetic flux remaining at a driving coil of the recording head. SOLUTION: In the recording head of a recorder with a plurality of recording wires, there are set driving coils 70 for driving to project the recording wires, and demagnetization coils 71 for cancelling the remanent magnetic flux remaining at the driving coils at a plurality of cores formed in a frame respectively. COPYRIGHT: (C)2004,JPO
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