发明名称 |
Electronic hotel room key has built in microprocessor and is of credit card format with memory to store data |
摘要 |
The credit card sized housing (A) has a display and a multiplicity of input keys . Within the housing is a microprocessor with a memory storing data for specific applications. This is in the form of hotel room access code data. An interface allows connection to a PC. Costs incurred can be stored in the memory.
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申请公布号 |
DE19923041(A1) |
申请公布日期 |
2000.01.27 |
申请号 |
DE19991023041 |
申请日期 |
1999.05.20 |
申请人 |
RENNINGS, MANFRED |
发明人 |
RENNINGS, MANFRED |
分类号 |
E05B49/04;G07C9/00;G07F7/08;(IPC1-7):E05B49/04 |
主分类号 |
E05B49/04 |
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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