| 发明名称 |
HIGH SPEED TRANSMISSION SECURITY DEVICE AND METHOD THEREOF |
| 摘要 |
using two frequency band when one security system transmits a first frequency then the other system transmits a second frequency which is different from the first frequency; and receiving a second frequency by a security system and receiving the first frequency by the other system.
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| 申请公布号 |
KR950013810(B1) |
申请公布日期 |
1995.11.16 |
| 申请号 |
KR19920024268 |
申请日期 |
1992.12.15 |
| 申请人 |
KOREA SAFE SYSTEM CO., LTD. |
发明人 |
CHOE, YONG |
| 分类号 |
H04L27/10;(IPC1-7):H04L27/10 |
主分类号 |
H04L27/10 |
| 代理机构 |
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