发明名称 SIGNALLING DEVICE
摘要 FIELD: prevention of loss of objects being carried. SUBSTANCE: device has transmit-receive antenna and electromagnetic oscillation source provided with inductive coupling between them. Antenna is enclosed in electrostatic screen, and electromagnetic oscillation source is made as resonant circuit tuned to signalling unit frequency. EFFECT: improved design. 1 dwgn
申请公布号 RU2113153(C1) 申请公布日期 1998.06.20
申请号 RU19960107715 申请日期 1996.04.16
申请人 SINJUSHKIN JURIJ ANATOL'EVICH 发明人 SINJUSHKIN JURIJ ANATOL'EVICH
分类号 A45C13/18;G08B13/14;(IPC1-7):A45C13/18 主分类号 A45C13/18
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