发明名称 |
DEVICE FOR CHECKING METAL PIECES |
摘要 |
A device for checking coins or other metal pieces has an electromagnetic detector responsive to the passage of the coins which produces an output voltage which varies as a result of the passing coins. This voltage is measured at predetermined periods and compared with programmed voltage values stored in a memory and which are characteristic of the coins to be checked. |
申请公布号 |
AU4124378(A) |
申请公布日期 |
1979.05.17 |
申请号 |
AU19780041243 |
申请日期 |
1978.11.01 |
申请人 |
COMPAGNIE DE SIGNAUX ET D'ENTREPRISES ELECTRIQUES |
发明人 |
SON LE-HONG |
分类号 |
G07D5/08;F16D55/32;G01N27/72;G01N33/20;G01R33/12;G07C;G07C3/14;G07D;G07D5/00;G07F;G07F7/02 |
主分类号 |
G07D5/08 |
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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