发明名称 |
Customer information and guidance unit for supermarket trolley, combines fixed and mobile transceivers with input and display units |
摘要 |
The system includes a fixed transceiver for information exchange with the customer. The trolley (10) includes a transceiver (31, 32) with customer input and display (or sound reproduction) unit. A further unit modifies signals transmitted in accordance with the input.
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申请公布号 |
DE10121838(A1) |
申请公布日期 |
2002.11.21 |
申请号 |
DE20011021838 |
申请日期 |
2001.05.04 |
申请人 |
UNIVERSITAET KARLSRUHE (TH) |
发明人 |
METZE, FLORIAN;ROGINA, IVICA;WEIBEL, ALEXANDER |
分类号 |
B62B3/14;(IPC1-7):G09F21/04;G09F27/00 |
主分类号 |
B62B3/14 |
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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