发明名称 |
Elevator system having terminals with wireless transmitting/receiving unit |
摘要 |
An elevator system in which a car travels upward and downward among a plurality of floors. The elevator system includes terminals each having a wireless transmitting/receiving unit. One of the terminals is correspondingly provided for at least one of the plurality of floors and another of the terminals is correspondingly provided for the car and at least one of a counterweight. A mobile terminal is provided which enables wireless transmitting/receiving of signals between the terminals which are arranged within a predetermined distance of each other.
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申请公布号 |
US6976561(B2) |
申请公布日期 |
2005.12.20 |
申请号 |
US20030615828 |
申请日期 |
2003.07.10 |
申请人 |
HITACHI, LTD. |
发明人 |
MOTOYAMA NOBUHISA;INABA HIROMI;KAWABATA ATSUSHI;OHKURA YOSHINORI;YAMASHITA KENICHI |
分类号 |
B66B3/00;B66B1/00;B66B1/34;(IPC1-7):B66B1/34 |
主分类号 |
B66B3/00 |
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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