发明名称 |
Servo controlled liquid crystal windows |
摘要 |
An apparatus for controlling the opacity of a liquid-crystal window, having a light emitter positioned adjacent to one side of the liquid-crystal window, a light detector positioned adjacent to the opposite side of the liquid-crystal window, and a differential amplifier/driver that compares the output of the light detector with an input control signal and generates a differential drive signal to vary the opacity of said liquid-crystal window.
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申请公布号 |
US5903247(A) |
申请公布日期 |
1999.05.11 |
申请号 |
US19960684681 |
申请日期 |
1996.07.19 |
申请人 |
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA |
发明人 |
HOWARD, DWIGHT L.;JOHNSON, CHRIS A. |
分类号 |
E06B9/24;G02F1/133;(IPC1-7):G09G3/36 |
主分类号 |
E06B9/24 |
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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