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In 1920, Jospeh Maxwell introduced electrical microphones.
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In 1929, John Logie Baird opened the first TV studio.
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Charles Jenkins broadcasted the first TV commerital.
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Television broadcasts from the Berlin Olympic Games are seen by 150,000 people in public television rooms in Berlin.
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Louis W. Parker patents a low-cost television receiver.
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TVs introduced to the United States.
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Robert Adler invents Zenith Space Commander which is the first practical remote control
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50% of home TVs are color television sets.
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98% of U.S. households have at least one television set.
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201 million television sets are in the United States.
