arc transmitter वाक्य
उदाहरण वाक्य
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- NSS began transmitting in September, 1918 using 500 kilowatt Poulson Arc transmitters.
- These generated radio waves by a high voltage Poulsen arc transmitters, which were used into the 1920s.
- In arc transmitters up to 70 kW, the key typically shorted out a few turns in the antenna coil.
- In 1916 the transmitter was upgraded ( by the Navy ) to a Poulsen arc transmitter and vacuum tube receiver.
- In 1902, the station Ushant TSF is established with a radio operator, receiver with coherer, and an arc transmitter.
- Sarnoff used H . J . Round's hydrogen arc transmitter to demonstrate the broadcast of music from the New York Wanamaker station.
- "' 1902 "'- The Poulson Arc transmitter is created converts direct current electricity into radio frequency alternating current.
- Soon afterwards, the Batavia announced that a huge arc transmitter station, using Telefunken arc equipment, was under installation at Malabar, near Bandoeng.
- Poulsen developed an arc converter in 1908, referred to as the " Poulsen Arc Transmitter ", which was widely used in radio before the advent of vacuum tube technology.
- By this time, however, arc transmitters were becoming obsolete, and valve or vacuum tube transmitters were soon afterwards installed at this same location on the island of Java.
- However, arc transmitters were significantly inferior to the then state-of-the-art Alexanderson alternator and the arc transmitters were replaced by more modern vacuum tube transmitters in 1931.
- However, arc transmitters were significantly inferior to the then state-of-the-art Alexanderson alternator and the arc transmitters were replaced by more modern vacuum tube transmitters in 1931.
- In the fall of 1915, he began teaching a radio principles class at the local Y . M . C . A . Tuska also began experimenting with radiotelephony, using an arc transmitter of his own design which employed tungsten electrodes to make audio transmissions.
- In 1916, operating under a personal Special Amateur license, 1ZT, Tuska began experimenting with radiotelephony, using an arc transmitter of his own design which employed tungsten electrodes to make audio transmissions, and by March of that year was broadcasting semi-regular phonograph concerts.
- The "'arc converter "', sometimes called the "'arc transmitter "', or "'Poulsen arc "'after Danish engineer Valdemar Poulsen who invented it in 1903, was a variety of continuous sinusoidal waves, it was one of the first technologies used to transmit sound ( amplitude modulation ) by radio.
- From 1913 to 1919 he led development and manufacture of very large Poulsen arc transmitters ( ranging in sizes from 200, 350, 500 and up to 1, 000 kilowatts ) for the Army and Navy, which were then installed in stations for trans-oceanic communications in the United States, France, Panama, Hawaii, and across the Pacific to the Philippines.
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