发明授权
EP0837549B1 PWM/PAM control mode switching type motor control apparatus, and motor drive and air-conditioner using the same
失效
切换电动机控制器与PWM / PAM控制和发动机变速器和空调所以
- 专利标题: PWM/PAM control mode switching type motor control apparatus, and motor drive and air-conditioner using the same
- 专利标题(中): 切换电动机控制器与PWM / PAM控制和发动机变速器和空调所以
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申请号: EP97118060.9申请日: 1997-10-17
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公开(公告)号: EP0837549B1公开(公告)日: 2004-02-25
- 发明人: Notohara, Yasuo , Kawabata, Yukio , Ishii, Makoto , Shinozaki, Hiroshi , Kato, Koji , Takakura, Yuhachi
- 申请人: Hitachi, Ltd.
- 申请人地址: 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 101 JP
- 专利权人: Hitachi, Ltd.
- 当前专利权人: Hitachi, Ltd.
- 当前专利权人地址: 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 101 JP
- 代理机构: Beetz & Partner Patentanwälte
- 优先权: JP27584596 19961018; JP27584696 19961018
- 主分类号: H02M5/458
- IPC分类号: H02M5/458
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