发明名称 |
Optical switching arrangement |
摘要 |
<p>Optical switching arrangement for switching a number of optical signals, consists of a thermo-optic switch having a number of heaters which are heated by passing electrical current through them. The mark-space ratio of current supplied from a constant voltage source is varied to provide constant power to the heaters to compensate for resistance changes in the heaters. <IMAGE></p> |
申请公布号 |
EP1037090(A2) |
申请公布日期 |
2000.09.20 |
申请号 |
EP20000300896 |
申请日期 |
2000.02.04 |
申请人 |
MARCONI COMMUNICATIONS LIMITED |
发明人 |
BAKER, MARTIN GEORGE;CLARINGBURN, HARRY RICHARD |
分类号 |
G02F1/01;G02F1/313;(IPC1-7):G02F1/01 |
主分类号 |
G02F1/01 |
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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