- The
photophone is a
telecommunications device that
allows transmission of
speech on a beam of light. It was
invented jointly by
Alexander Graham Bell and...
- RCA
Photophone was the
trade name
given to one of four
major competing technologies that
emerged in the
American film
industry in the late 1920s for synchronizing...
-
Charles Sumner Tainter invented the
photophone, a
telephone that sent
audio over a beam of light. The
photophone required sunlight to operate, and a clear...
-
believed the
photophone's principles were his life's "greatest achievement",
telling a
reporter shortly before his
death that the
photophone was "the greatest...
- were used,
including sound on film
formats such as
Movietone and RCA
Photophone, as well as
sound on disc
formats like Vitaphone. This list
includes film...
- millennia,
while the
earliest electrical device created to do so was the
photophone,
invented in 1880. An
optical communication system uses a transmitter...
-
Tainter worked with the
Bells on
several inventions,
amongst them the
photophone and phonograph,
which they
developed into the Graphophone, a substantial...
-
transmissions device that
combined an
improved megaphone device and a
photophone (using
light beams).
Landell received patents in
Brazil and the United...
- sound-on-film system,
Photophone.
Unlike Fox-Case's
Movietone and De Forest's Phonofilm,
which were variable-density systems,
Photophone was a variable-area...
-
Alexander Graham Bell and his ****istant
Charles Sumner Tainter created the
photophone, at Bell's
newly established Volta Laboratory in Washington, DC. Bell...
