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The Volta Prize of the French Academy Awarded to Prof. Alexander Graham Bell: A Talk With Dr. J.M. Sternberg, The Evening Traveler, September 1, 1880, The Alexander Graham Bell Papers at the Library of Congress; Thompson, Silvanus P. "Notes on the Construction of the Photophone". Phys. Soc.Proc., Vol. 4, 1881, pp. 184–190.
Charles Sumner Tainter (April 25, 1854 – April 20, 1940) was an American scientific instrument maker, engineer and inventor, best known for his collaborations with Alexander Graham Bell, Chichester Bell, Alexander's father-in-law Gardiner Hubbard, and for his significant improvements to Thomas Edison's phonograph, resulting in the Graphophone, one version of which was the first Dictaphone.
The 1939 film The Story of Alexander Graham Bell was based on his life and works. [233] The 1965 BBC miniseries Alexander Graham Bell starring Alec McCowen and Francesca Annis. The 1992 film The Sound and the Silence was a TV film. Biography aired an episode Alexander Graham Bell: Voice of Invention on August 6, 1996.
It was invented at the Volta Laboratory established by Alexander Graham Bell in Washington, D.C., United States. Its trademark usage was acquired successively by the Volta Graphophone Company, the American Graphophone Company, the North American Phonograph Company , and finally by the Columbia Phonograph Company (known today as Columbia Records ...
The Volta's research was later absorbed into the Alexander Graham Bell Association for the Deaf (now also known as the 'AG Bell') upon its creation when the Volta Bureau merged with the AAPTSD in 1908, with Bell's financial support. [46] The AAPTSD was renamed as the Alexander Graham Bell Association for the Deaf in 1956.
The discovery of the photoacoustic effect dates back to 1880, when Alexander Graham Bell was experimenting with long-distance sound transmission. Through his invention, called "photophone", he transmitted vocal signals by reflecting sun-light from a moving mirror to a selenium solar cell receiver. [3]
19 February 1880: The photophone, also called a radiophone, is invented jointly by Alexander Graham Bell and Charles Sumner Tainter at Bell's Volta Laboratory. [18] [19] The device allowed for the transmission of sound on a beam of light. 20 March 1880: National Bell Telephone merges with others to form the American Bell Telephone Company.
In 1880, Alexander Graham Bell and his assistant Charles Sumner Tainter created the photophone, at Bell's newly established Volta Laboratory in Washington, DC. Bell considered it his most important invention. The device allowed for the transmission of sound on a beam of light.