The History of Television

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Jun 8, 2022

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INSIGHT

CRTs Enabled Electronic Television

Cathode ray tubes (CRTs) shifted television from mechanical to electronic systems.
CRTs produced images by steering electron streams onto photo-sensitive screens.

ANECDOTE

Philo Farnsworth, raised on a Utah farm, invented the image dissector and won a key patent fight with RCA.
RCA nonetheless adopted scanning lines and debuted TV at the 1939 New York World's Fair.

INSIGHT

Television adoption stalled during World War II because CRTs were prioritized for military uses like radar.
After the war, CRT production resumed and civilian TV adoption accelerated rapidly.

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