television By Sammy123z Period: Mar 11, 1900 to Mar 11, 2013 tv history Mar 4, 1906 Mechanical tv (first tv) LetUsFindOut.com Mar 11, 1907 Cathode Ray Tube (image transmitter) about.com Mar 11, 1923 kinescope (picture display) about.com Mar 11, 1940 color tv About.com Mar 11, 1948 Cable televison About.com Mar 11, 1956 remote conroller made About.com Mar 11, 1973 first giant screen tv About.com Mar 11, 1981 hdtv made about.com Mar 11, 1982 Dolby surround sound introduced (for better sound quality) About.com Mar 11, 1993 closed captioning About.com Mar 11, 2010 tv saftey strap made baby centre
