发明授权
- 专利标题: Motor controller
- 专利标题(中): 电机控制器
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申请号: US12336985申请日: 2008-12-17
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公开(公告)号: US08049445B2公开(公告)日: 2011-11-01
- 发明人: Hidenori Ishihara , Hiroaki Yamamoto , Nakatsune Shirai , Katsumi Endo , Tomoki Yamashita
- 申请人: Hidenori Ishihara , Hiroaki Yamamoto , Nakatsune Shirai , Katsumi Endo , Tomoki Yamashita
- 申请人地址: JP
- 专利权人: Asmo Co., Ltd.
- 当前专利权人: Asmo Co., Ltd.
- 当前专利权人地址: JP
- 代理机构: Caesar, Rivise, Bernstein, Cohen & Pokotilow, Ltd.
- 优先权: JP2007-326419 20071218; JP2008-238402 20080917
- 主分类号: H02P6/00
- IPC分类号: H02P6/00
摘要:
A motor controller that outputs a drive signal to a direct-current motor to drive the motor is provided. The motor controller includes a drive circuit that generates the drive signal. The drive circuit superimposes on a direct-current voltage an alternating-current component having a frequency in the audible frequency range of the human ear, thereby generating the drive signal.
公开/授权文献
- US20090153090A1 MOTOR CONTROLLER 公开/授权日:2009-06-18
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