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In 2009, an agreement was made between Discount Two Way Radio Corporation (DTWR) and Technicolor SA to manufacture Two-way radio products under the RCA brand. [ 1 ] [ 2 ] RCA Two-way radios is the official sponsor of the United States Bobsled and Skeleton Team for the 2022 Winter Olympic Games in Beijing .
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 ...
Renaming the Westrex system to Photophone was facilitated by the demise of RCA's cinema sound business unit, by the hand of General Electric, RCA's acquirer, and by its failure to protect the Photophone trademark. The Westrex system, briefly renamed Photophone, is still in use, with more than 100 systems currently in active service, world-wide.
The first radio transmitters could not transmit audio (sound) like modern AM and FM transmitters, and instead transmitted information by radiotelegraphy; the transmitter was turned on and off rapidly using a switch called a telegraph key, creating different length pulses of radio waves ("dots" and "dashes") which spelled out text messages in Morse code.
Ampliphase is the brand name of an amplitude modulation system achieved by summing phase modulated carriers. This modulation and amplifier technology family was originally marketed by RCA for AM broadcast transmitters. The Ampliphase system was not developed by RCA, but by McClatchy Broadcasting in the mid-1930s.
Richard H. Ranger, an electrical engineer working at Radio Corporation of America (RCA), invented a method for sending photographs through radio transmissions. He called his system the wireless photoradiogram, in contrast to the fifty-year-old telefacsimile devices which used first telegraphic wires, and then later was adapted to use the newer ...
Most video sender systems will consist of three separate components, a transmitter, a receiver and a remote control relay (also known as a magic eye or IR blaster). The transmitter is responsible for transmitting or broadcasting a connected audio-video device, while the receiver outputs that transmitted audio-video signal to a connected television.
The numbering scheme was distinct from both the numbering schemes used for standard receiving tubes, and the existing transmitting tube numbering systems used previously, such as the "800 series" numbers originated by RCA and adopted by many others. The system assigned numbers with the base form "1A21", and this numbering scheme is occasionally ...
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