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发明名称
监认与保护通信系统之用户之方法
摘要
以射频为基础之分房式电信系统(图1)常需用户(10)保持一专有识别号或序号传至一固定网路通信单位,以查验用户之身份。本发明实质上减少了这些专有识别的未经授权之检测。本发明说明者为一种编密方法和呼叫顺序方法,这些方法于组合运用时实质上可防止他人未经授权而对用户(10)的专用识别号(18,19)进行检测。
申请公布号
TW162442
申请公布日期
1991.07.01
申请号
TW079106106
申请日期
1990.07.24
申请人
摩托罗拉公司
发明人
玛利.贝斯.佛伦德斯;赖瑞.希.波荷
分类号
H04M3/22
主分类号
H04M3/22
代理机构
代理人
陈长文 台北巿敦化北路二○一号七楼
主权项
地址
美国伊利诺州史坎堡巿东奥冈昆路一三○三号
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