发明名称 |
TRANSMITTING DEVICE FOR PROCESS SIGNAL |
摘要 |
PURPOSE:To transmit a long term process signal accurately and stably, by using the liquid crystals producing optical change corresponding to the quantity of process and having similar aging characteristic at transmitting end and receiving end respectively. |
申请公布号 |
JPS52141255(A) |
申请公布日期 |
1977.11.25 |
申请号 |
JP19760058028 |
申请日期 |
1976.05.19 |
申请人 |
YOKOGAWA ELECTRIC WORKS LTD |
发明人 |
YAMAGUCHI KADONORI;OOTAKA YOUICHI |
分类号 |
H04B10/00;G01D5/12;G01D5/26;G08C19/00;G08C23/04;G08C25/00 |
主分类号 |
H04B10/00 |
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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