首页> 外国专利> A method for speech by means of transmission between located on a common line and a public address systems associated central station by means of one of a single-strand loop line and earth as the existing rueckleiter, by means of wire strongly influenced by connecting path

A method for speech by means of transmission between located on a common line and a public address systems associated central station by means of one of a single-strand loop line and earth as the existing rueckleiter, by means of wire strongly influenced by connecting path

机译：一种通过位于公共线路和与中央站相关联的公共广播系统之间的传输的语音的方法，该方法通过单绞线环路和作为现有避雷针的大地之一，通过受连接路径强烈影响的电线

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公开/公告号DE1039103B

专利类型
公开/公告日1958-09-18

原文格式PDF
申请/专利权人 TELEFONBAU;NORMALZEIT G.M.B.H.;
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申请/专利号DE1955T011349
发明设计人 KIEBLER EWALD;HOFMANN HERBERT;
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申请日1955-09-03
分类号H04M1/60;H04M1/74;H04M9;
国家 DE
入库时间 2022-08-23 20:38:30

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