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Magazine ad insert introducing RCA Photophone, 1928. In April 1928, RCA Photophone Inc. was created as a subsidiary of RCA (itself then a GE subsidiary) to commercially exploit the Photophone system. David Sarnoff was president and a member of the board of directors. The RCA system continued to use the galvanometer until the 1970s, when it became
RCA Victor popularized combined radio receiver-phonographs, and also created RCA Photophone, a movie sound-on-film system that competed with William Fox's sound-on-film Movietone and Warner Bros.' sound-on-disc Vitaphone. Although early announcements of the RCA and Victor merger stressed that the two firms were linking equally to form a joint ...
This logo image consists only of simple geometric shapes or text. It does not meet the threshold of originality needed for copyright protection, and is therefore in the public domain . Although it is free of copyright restrictions, this image may still be subject to other restrictions .
RCA executive David Sarnoff engineered the merger to create a market for the company's sound-on-film technology, RCA Photophone, and in early 1929 production began under the RKO name (an initialism of Radio-Keith-Orpheum). Two years later, another Kennedy concern, the Pathé studio, was folded into the operation.
After 1931, Fox's feature film production moved to a two-machine system which Western Electric had developed from the RCA Photophone, with the advent of a light-valve invented by Edward C. Wente. In this system, one camera shot the frames, and a second lens-less "sound camera" served as an optical recorder which was mechanically interlocked ...
RCA is an American multinational trademark brand owned by Talisman Brands, Inc. [1] (d/b/a Established Incorporated, stylized as established.) [2] which is used on products made by that company as well as Sony Music Entertainment, Voxx International and ON Corporation.
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A photophone receiver and headset, one half of Bell and Tainter's optical telecommunication system of 1880. The photophone was similar to a contemporary telephone, except that it used modulated light as a means of wireless transmission while the telephone relied on modulated electricity carried over a conductive wire circuit.
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