发明授权
- 专利标题: Motor driving circuit
- 专利标题(中): 电机驱动电路
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申请号: US480372申请日: 1983-03-30
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公开(公告)号: US4494056A公开(公告)日: 1985-01-15
- 发明人: Hideo Nishijima , Katsumi Sera , Isao Fukushima , Yasunori Kobori
- 申请人: Hideo Nishijima , Katsumi Sera , Isao Fukushima , Yasunori Kobori
- 申请人地址: JPX Tokyo JPX Tokyo
- 专利权人: Hitachi, Ltd.,Hitachi Microcomputer Engineering, Ltd.
- 当前专利权人: Hitachi, Ltd.,Hitachi Microcomputer Engineering, Ltd.
- 当前专利权人地址: JPX Tokyo JPX Tokyo
- 优先权: JPX57-51345 19820331
- 主分类号: H02P3/06
- IPC分类号: H02P3/06 ; H02P6/04 ; H02P6/06 ; H02P6/08 ; H02P6/24 ; H02P3/20
摘要:
A motor driving circuit in which the opposite ends of the motor driving coils of a video tape recorder (VTR) capstan motor are shorted by a group of switching elements when a control input voltage generated from a rotation detection/oscillator is in a predetermined range.
公开/授权文献
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