发明名称 |
Optical microphone with rectangular fiber optics |
摘要 |
An acousto-optic transducer which may be employed in a telephone subscriber instrument is described in which movement of a diaphragm varies the degree of coupling between the ends of two rectangular optical fibers having rectangular cross sections and which are coupled to the diaphragm for linearly amplitude modulating light signals passing between the fiber ends.
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申请公布号 |
US4166932(A) |
申请公布日期 |
1979.09.04 |
申请号 |
US19780936958 |
申请日期 |
1978.08.25 |
申请人 |
INTERNATIONAL STANDARD ELECTRIC CORP |
发明人 |
SELWAY, PETER R |
分类号 |
H04R23/00;(IPC1-7):H04R23/00 |
主分类号 |
H04R23/00 |
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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