Timeline 8

Television, Technology, and its change over a lifetime

  • Nipkow Disc

    Nipkow Disc
    Was invented by Paul Nipkow and was the first working device that could generate electrical signals capable of transmitting a viewable image. The disc itself consisted of a rotating scanning disc spinning in front of a photoelectric cell.
  • Iconoscope

    Invented by Vladimir Zworykin, the iconocope tube was the first "practical" television camera tube.
  • First Public Demonstration

    First Public Demonstration
    This marked the first demonstration of pictures and sounds on a television. There was a test over both wire and radio circuts.
  • Philio Fransworth

    Philio Fransworth
    Had also successfully demonstrated graphic images using a fully electronic system. (Electronically scanned television images)
  • John Logie Baird

    John Logie Baird
    In 1925 he had transmitted moving images using a mechanical disc, followed by his successful transmition of television pictures from London to New York in 1928.
  • Kinescope

    This device was also invented by Zworykin and it offered and improved picture.
  • United States TV stations

    United States TV stations
    At this time there were 18 experimental television stations operating.
  • World Fairs

    World Fairs
    David Sarnoff introduced regular TV broadcasting with sight and sound. Regularly scheduled 2-hour NBC broadcasts began, and TV's went on sale the next day.
  • WWII

    From 1942 on to the 1945 the commercial production of television equipment was banned during the war, the war also interfered with NBC's commercial TV scedule which was canceled.
  • Color TV?!

    Color TV?!
    After the war CBS presented a demonstration of their mechanical color system to the FCC.
  • Cable TV

    Cable TV
    John Walson was a man who sold TV's but was having trouble moving them, so he ran a wire from a tower he built to his store. By June he had 727 subscribers to Community Antenna TV (CATV). This was the birth of cable television.
  • Color TV perfected

    Color TV perfected
    First CBS presented color TV using a spinning mechanical color wheel that in the same year David Sarnoff perfected the electronic color television.
  • Cost-to-Cost

    AT&T completed their national cable and relay network the wired the entire U.S. (Coaxial Cable and Microwave relay network).
  • VHS

    The Videocassette recorders brought with it a new way to experience TV. It gave the audience the ability to to rewind and fast forward and record content. One of the leading sellers of VHS players was SONY.
  • DVD

    The invention of the Digital Video Disc came along and became more popular and efficient then the VHS player.
  • DVR

    Digital Video Recorder gave the viewers even more control over content, allowing them to rewind, fastforward, and even pause programs that are being watched, as well as, record, all without losing the show.