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Television

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LionelDale
51 diapositives · 1.1K Views · Dec 15, 2010

Television Julius Plücker - 1859 Sir William Crooks Crooks tube Beam pulled up by magnet Karl Braun - 1897 Braun’s cathode ray tube G. R. Carey – 1875 Shelford Bidwell – 1881 Maurice leBlanc Paul Nipkow – 1884 Mechanical TV - 1884 Boris Rosing

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  1. Television

  2. Julius Plücker - 1859

  3. Sir William Crooks

  4. Crooks tube

  5. Beam pulled up by magnet

  6. Karl Braun - 1897

  7. Braun’s cathode ray tube

  8. G. R. Carey – 1875

  9. Shelford Bidwell – 1881

  10. Maurice leBlanc

  11. Paul Nipkow – 1884

  12. Mechanical TV - 1884

  13. Boris Rosing • First to use a cathode ray tube as a receiver for a mechanically scanned image

  14. Archibald Campbell-Swinton • First to suggest using cathode ray tubes for both sending and receiving images

  15. 1911 – A. Sinding-Larsen suggested using radio instead of wires as a carrier of picture signals • We now have all the concepts for what we think of as “modern television” • And then World War I happened

  16. Charles Francis Jenkins

  17. John Baird / first TV face

  18. Vladimir Zworykin

  19. Icononscope – the camera

  20. Kinescope – the receiver

  21. Cathode ray tube

  22. Philo Farnsworth

  23. Farnsworth won the lawsuit against Zworykin and RCA over who invented the kinescope and the iconoscope. Thus, he’s known as “the father of television.”

  24. RCA now had to pay Farnsworth royalties to license his patents • Sarnoff said of RCA that it was determined “to collect patent royalties, not pay them.”

  25. Date of demonstration 1930 1931 1933 1936 1939 1941 No. of picture lines 60 lines 120 lines 240 lines 343 lines 441 lines 525 lines

  26. Felix the Cat image – 1929, 1937

  27. FDR opening 1939 World’s Fair

  28. Television started broadcasting in 1939 • but growth and development was stalled by • World War II

  29. Post-war • RCA 630 set • RCA gave the plans to other companies • Set sales skyrocketed: • In 1946 – 6,000 • In 1952 – 21,782,000

  30. Began broadcasting again in 1946 as basically “radio with pictures”

  31. Radio with pictures

  32. TV essentially stole radio’s programming –dramas, comedies, variety shows, talk shows, game shows, sports, news.All programming was done live.

  33. The Ruggles / Mama/ Mr. Peepers

  34. Milton Berle Sid Caesar

  35. Lucille Ball and Desi Arnaz

  36. The death of live shows

  37. CBS’ field sequential color wheel

  38. CRT action