发明名称 |
Circuit for driving a solenoid |
摘要 |
A series circuit including a diode for refluxing and a capacitor is connected in parallel to a solenoid coil, and a light-emitting diode is connected in parallel to the capacitor. A negative voltage appearing across the solenoid coil because of an induced electromotive force generated in the solenoid coil can be attenuated and a fall time of current flowing into the solenoid coil can be shortened.
|
申请公布号 |
US6657845(B2) |
申请公布日期 |
2003.12.02 |
申请号 |
US20010816154 |
申请日期 |
2001.03.26 |
申请人 |
NIPPON CONTROL INDUSTRIAL CO., LTD. |
发明人 |
KANOMATA KAZUO;SAWADA TERUYA;NAKAMURA TAKASHI |
分类号 |
H01F7/18;H01H47/32;H02H9/04;H03K17/04;H03K17/60;(IPC1-7):H01H47/00 |
主分类号 |
H01F7/18 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|