发明授权
- 专利标题： Elevator communications apparatus
- 专利标题（中）： 电梯通讯设备
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申请号： US09955995申请日： 2001-09-20
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公开(公告)号： US06481531B1公开(公告)日： 2002-11-19
- 发明人: Hirokazu Nagura , Hiromi Inaba , Sadao Hokari , Atsuya Fujino
- 申请人： Hirokazu Nagura , Hiromi Inaba , Sadao Hokari , Atsuya Fujino
- 优先权： JP2001-130579 20010427
- 主分类号： B66B150
- IPC分类号： B66B150
摘要：
The number of electrical wires in the car is reduced by radio communications between the operation panel and terminal. Furthermore, reliability and dependability of communications are improved because the operation panel and terminal communicate with each other at a comparatively short distance.
公开/授权文献
- US20020157903A1 ELEVATOR COMMUNICATIONS APPARATUS 公开/授权日：2002-10-31