| 发明名称 |
A MULTIPLEXED ALARM SYSTEM |
| 摘要 |
A multiplexing method for an alarm system in which a plurality of transponders (20) connected in parallel by a pair of wires (45) each monitors an opening and responds to a synchronizing signal after a preprogrammed time delay corresponding to the particular transponder (20) if the opening it is monitoring is secured. |
| 申请公布号 |
WO8504040(A1) |
申请公布日期 |
1985.09.12 |
| 申请号 |
WO1985US00339 |
申请日期 |
1985.02.28 |
| 申请人 |
ULTRAK, INC. |
发明人 |
HACKETT, KENNETH, R.;PERMUT, ALAN, R. |
| 分类号 |
G08B13/00;G08B26/00;(IPC1-7):G08B23/00;G01S13/74 |
主分类号 |
G08B13/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
