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Photophone

   Also found in: Wikipedia 0.01 sec.
Pho´to`phone
n.1.(Physics) An apparatus for the production of sound by the action of rays of light.
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1880 - Alexander Graham Bell''s optical telephone system Alexander Graham Bell patented an optical telephone system, which he called the Photophone.
The Little Known History of Fiber Optic Telecommunication by Colin Yao / Computers and Internet community
While some consider optical wireless to be bleeding-edge technology, its origins date back to Alexander Graham Bell's photophone.
Bridge the golden last mile by Markowitz, John / Communications News
The photophone has given him a synesthetic thrill he's known only in poetry.
"Alternating currents" by Salter, Mary Jo / New Criterion
 
 
 
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