发明名称 |
Control system for electromagnetic lock |
摘要 |
An electromagnetic door lock has an electromagnet and an armature for bonding thereto. One of the electromagnet and the armature is adapted for mounting to a door and the other of the electromagnet and the armature is adapted for mounting to a door frame. A lock controller pulses current to the electromagnet. The pulses have a predetermined width and a predetermined spacing between pulses.
|
申请公布号 |
US6611414(B1) |
申请公布日期 |
2003.08.26 |
申请号 |
US19960707206 |
申请日期 |
1996.08.30 |
申请人 |
HARROW PRODUCTS, INC. |
发明人 |
LAVELLE GARY E.;KRUL JAMES P. |
分类号 |
E05C19/16;H01H47/32;(IPC1-7):H01H47/00 |
主分类号 |
E05C19/16 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|