Anordnung zur Erhoehung der Pfeifsicherheit in Sprechverbindungen durch geringfuegige Frequenzbandverlagerungen mit Hilfe des Dopplereffektes,申请号DE1952SC10921-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Anordnung zur Erhoehung der Pfeifsicherheit in Sprechverbindungen durch geringfuegige Frequenzbandverlagerungen mit Hilfe des Dopplereffektes
摘要
申请公布号	DE941924(C)	申请公布日期	1956.04.19
申请号	DE1952SC10921	申请日期	1952.11.08
申请人	DEUTSCHE BUNDESPOST, VERTRETEN DURCH DEN PRAESIDENTEN DES FERNMELDETECHNISCHEN ZENTRA	发明人	SCHMIDT DR.-ING. KARL-OTTO
分类号	H04B3/20	主分类号	H04B3/20
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Container for treating and transporting industrial waste sludges

Handled mold package

Clock alarm control system employing a push button alarm-deactivation switch which must be held depressed for a time period

Metallic sectional liquid-cooled runners

Integral hair clip and method of manufacture

Milking inflations

Device for initiating an explosive charge with damming means of non-explosive shock wave attenuating material between the outer booster and the liner

Means for ascertaining the internal pressure in a pressure pipe system

Method of making single or double flanged track tractor roller for off-highway equipment

Paper holding and displaying device

Ear tag for animals

Weaving method and apparatus

Pendulum helmsman seat

Cartridge case holder apparatus

Electric guitar transducer mounting

Separable slide fastener

MAGNETIC RECORDING HEAD ARRAY BODY

Jack having an insulating contact operator

Refractory powder and method of producing same