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2. Sylvania Electric Products - Wikipedia

   en.wikipedia.org/wiki/Sylvania_Electric_Products

   Sylvania Electric Products. Sylvania Electric Products Inc. was an American manufacturer of diverse electrical equipment, including at various times radio transceivers, vacuum tubes, semiconductors, and mainframe computers such as MOBIDIC. They were one of the companies involved in the development of the COBOL programming language.

3. List of vacuum tubes - Wikipedia

   en.wikipedia.org/wiki/List_of_vacuum_tubes

   YD1336 – 1.8 kW, Air-cooled, UHF power triode. YD1342 – 30 MHz, 530 kW, Water-cooled RF power triode. YD1352S (8867, DX334) – 5 MHz, 2 kW, Water-cooled Neotron, a gridless field-effect tube where a magnetically focused electron beam is modulated by varying the voltage of a gate electrode surrounding it.

4. Tube tester - Wikipedia

   en.wikipedia.org/wiki/Tube_tester

   Tube tester. A tube tester is an electronic instrument designed to test certain characteristics of vacuum tubes (thermionic valves). Tube testers evolved along with the vacuum tube to satisfy the demands of the time, and their evolution ended with the tube era. The first tube testers were simple units designed for specific tubes to be used in ...

5. Indian-head test pattern - Wikipedia

   en.wikipedia.org/wiki/Indian-head_test_pattern

   The Indian-head test pattern is a test card that gained widespread adoption during the black-and-white television broadcasting era as an aid in the calibration of television equipment. It features a drawing of a Native American wearing a headdress surrounded by numerous graphic elements designed to test different aspects of broadcast display.

6. List of television manufacturers - Wikipedia

   en.wikipedia.org/wiki/List_of_television...

   Formerly part of Harvard International Amstrad - - Andrea Electronics 1947 1978 Apex Digital: 1997 2010 Apple Inc. 1993 present Released the Macintosh TV in 1993 Arcam: 2011 present Arise India: 2012 present AGA AB: 1952 - Audiovox - - Now Voxx International: AWA: 1956 1974 Baird: 1926 1980 made the first TVs, brand name after 1956 Bang ...

7. Protesters storm the 18th green at Travelers Championship - AOL

   www.aol.com/news/protesters-storm-18th-green...

   Six people came out of the crowd and stormed the 18th green while the leaders were lining up their putts on the final hole of regulation at the Travelers Championship on Sunday, delaying the ...

8. Starting signal technology helped make Noah Lyles' 100-meter ...

   www.aol.com/starting-signal-technology-helped...

   On Aug. 4, Lyles won the 100-meter dash by 0.005 seconds, with a system of super-fast cameras and timing technology used to determine his torso reached the finish line before silver medalist ...

9. Sylvania Award - Wikipedia

   en.wikipedia.org/wiki/Sylvania_Award

   The Sylvania Awards were given by the television manufacturer Sylvania Electric Products for various categories of television performance, broadcasting, scripts, music and other aspects of production between 1951 and 1959. In their day they rivaled the Emmy Award for prestige. They came to an end after the sponsor was merged into GTE .