发明名称 SPEED CONTROL APPARATUS OF MOTOR
摘要 PURPOSE:The speed control of the motor is performed by the linear control of the transistor, and the temperature rise of the motor is prevented by reducing the pulsation of the armature current and the effective current.
申请公布号 JPS5285316(A) 申请公布日期 1977.07.15
申请号 JP19760000863 申请日期 1976.01.07
申请人 HITACHI LTD 发明人 MORINAGA SHIGEKI;OONISHI KAZUO;TAKAHASHI TADASHI
分类号 H02P7/285;H02P7/295 主分类号 H02P7/285
代理机构 代理人
主权项
地址