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
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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