发明名称 |
ULTRASONIC SURVEILLANCE SYSTEM FOR CONTAINER SEALS USING INDEPENDENT TERMINALS |
摘要 |
System for monitoring containers with ultrasonic seals. According to the invention the seal is duplicated and comprises a transmitting transducer and a receiving transducer. The exciting signal is a voltage step applied to the transmitting transducer and the circuit able to supply said step is directly connected to the transmitting transducer without a connecting cable. Application to the monitoring of containers containing dangerous products, precious materials, documents, etc. |
申请公布号 |
DE3571518(D1) |
申请公布日期 |
1989.08.17 |
申请号 |
DE19853571518 |
申请日期 |
1985.09.16 |
申请人 |
COMMISSARIAT A L'ENERGIE ATOMIQUE;COMMUNAUTE EUROPEENNE DE L'ENERGIE ATOMIQUE (EURATOM) |
发明人 |
SCHAAL, ALFRED;LAHARRAGUE, PHILIPPE;DENIS, RENE |
分类号 |
B65B51/10;G01S15/04;G09F3/03;G09F3/20;(IPC1-7):G09F3/03 |
主分类号 |
B65B51/10 |
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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