when were tv's invented

7 hours ago 2
Nature

Television as a concept and technology was developed over several decades. The word "television" was first coined in the early 20th century, but the invention timeline includes key milestones:

  • The earliest fundamental technology, the cathode-ray tube (CRT), was invented in 1897 by Karl Ferdinand Braun and formed the display basis of modern TVs.
  • Mechanical television systems were demonstrated publicly by John Logie Baird in 1925.
  • The first electronic television system, which used electronic signals for image transmission, was successfully demonstrated by Philo Farnsworth in 1927.
  • The first public demonstration of moving images on a television set using the mechanical system was in 1925.
  • Color television systems began experimental development in the early 1900s, but commercial color broadcasts started in the 1950s.

So, in summary, the invention of TV spans from foundational discoveries in the late 19th century, first demonstrations of mechanical TV in the mid-1920s, and the first electronic TV in 1927, with commercial color TV emerging in the 1950s.