Patent
1978-08-25
1979-09-04
Stellar, George G.
H04R 2300
Patent
active
041669320
ABSTRACT:
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.
REFERENCES:
patent: 3818369 (1974-06-01), Brocker
International Standard Electric Corporation
Morris Jeffrey P.
O'Halloran John T.
Stellar George G.
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