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The Hygrade Sylvania Corporation was formed when NILCO, Sylvania and Hygrade Lamp Company merged into one company in 1931. In 1939, Hygrade Sylvania started preliminary research on fluorescent technology, and later that year, demonstrated the first linear, or tubular, fluorescent lamp. It was featured at the 1939 New York World's Fair. [1]
In the late 1940s, Zenith entered the television market. These sets were all-round tube sets. The main feature was that the entire round screen was exposed. They were available in 12-inch, 16-inch and 19-inch sizes. Later round-tube models had a switch that would show the picture in the 4:3 ratio, or have the entire round screen exposed.
Sylvania is a Canadian multinational electronics corporation headquartered in Toronto, Ontario, Canada. The company is owned in North America by Osram Sylvania and, outside of North America, Feilo Sylvania. The two license the brand to other companies for various products. The Sylvania brand was originally owned by Sylvania Electric Products. [1]
This CRT was produced by multiple manufacturers (RCA, General Electric, Sylvania Electric Products and Tung-sol). Except for the type of phosphor used all three are identical in operation and connection. The screen diagonal is 7 inches (17.8 cm) for 7JP1 and 7JP4, but only 5.5 inches (14 cm) for the 7JP7. [2]
To correct for phase errors, a tint control is provided on NTSC television sets, which allows the user to manually adjust the phase relationship between the color information in the video and the reference for decoding the color information, known as the "color burst", so that correct colors may be displayed. [1]
Consumer Electronics Control (CEC) is a feature of HDMI designed to control HDMI connected devices [1] [2] by using only one remote controller; so, individual CEC enabled devices can command and control each other without user intervention, for up to 15 devices.
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The Sylvania Awards were established by Sylvania Electric Products. The 31-member panel that decided the winners was chaired by Deems Taylor and also included Marvin Barrett, television editor of Newsweek ; Kenneth Bartlett of Syracuse University; pitcher Bob Feller ; Judge Samuel S. Leibowitz; actor and playwright Elliott Nugent ; actress and ...