发明名称 |
OPTICAL RADIO TRANSMISSION SYSTEM FOR ELEVATOR |
摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical radio transmission system for an elevator wherein satisfactory radio communication can be performed by efficiently and accurately adjusting the positions of a pair of transmitter-receivers 10 installed on prescribed positions in the elevator. <P>SOLUTION: This system comprises a pair of transmitter-receivers 10 oppositely installed respectively on the elevator base 2 side and on the elevator cage 1 side. Each of these transmitter-receivers 10 is equipped with a light emitter 11 for signal transmission, a light receiver 12 for signal reception, a level meter 13 for displaying the level of reception signals received by the receiver, and and a lamp 14 for displaying the light reception state of reception signals received by the receiver. <P>COPYRIGHT: (C)2004,JPO |
申请公布号 |
JP2004099243(A) |
申请公布日期 |
2004.04.02 |
申请号 |
JP20020263586 |
申请日期 |
2002.09.10 |
申请人 |
SHOWA ELECTRIC WIRE & CABLE CO LTD |
发明人 |
TAKAHASHI TAMOTSU;YAMAGUCHI TAKESHI;YAMAZAKI SHINYA;KOMORI SHINICHI |
分类号 |
B66B3/00;H04B10/07;H04B10/11;H04B10/116 |
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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