发明名称 |
Key system for data transfer, comprises primary and secondary components with sender and receiver elements for infra red light |
摘要 |
<p>A key system comprises primary (1) and secondary (2) components. The primary component has a sender element, which emits infra red light. The secondary component has a receiver for infra red light. At least one sender and/or receiver element is enclosed from the surroundings by a plastic section.</p> |
申请公布号 |
DE20206362(U1) |
申请公布日期 |
2003.05.28 |
申请号 |
DE2002206362U |
申请日期 |
2002.04.23 |
申请人 |
DR. JOHANNES HEIDENHAIN GMBH |
发明人 |
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分类号 |
G01B1/00;G01B21/04;G01S7/481;G01S17/02;(IPC1-7):G01B11/03 |
主分类号 |
G01B1/00 |
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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