发明名称 Printer having a stepping motor for driving and retaining a type wheel
摘要 In a printer which selects a character by moving a type wheel by a stepping motor, phases other than a stable phase of windings of the stepping motor are shorted when a rotor of the stepping motor comes to a vicinity of a stable point of a target phase, and an exciting time of the stable phase is gradually extended. The primary drive signal is turned off during energization of a retaining signal and during hammer energization.
申请公布号 US5415480(A) 申请公布日期 1995.05.16
申请号 US19940266449 申请日期 1994.06.28
申请人 CANON KABUSHIKI KAISHA 发明人 KIKUGAWA, NORIYUKI
分类号 B41J7/34;B41J1/24;B41J7/48;B41J29/38;(IPC1-7):B41J5/30 主分类号 B41J7/34
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