Download presentation
Presentation is loading. Please wait.
1
Television
2
Julius Plücker - 1859
3
Sir William Crooks
4
Crooks tube
5
Beam pulled up by magnet
7
Karl Braun - 1897
8
Braun’s cathode ray tube
10
G. R. Carey – 1875
11
Shelford Bidwell – 1881
13
Maurice leBlanc
14
Paul Nipkow – 1884
15
Mechanical TV - 1884
16
Boris Rosing First to use a cathode ray tube as a receiver for a mechanically scanned image
17
Archibald Campbell-Swinton First to suggest using cathode ray tubes for both sending and receiving images
18
1911 – A. Sinding-Larsen suggested using radio instead of wires as a carrier of picture signals 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” We now have all the concepts for what we think of as “modern television” And then World War I happened And then World War I happened
19
Charles Francis Jenkins
20
John Baird / first TV face
21
Vladimir Zworykin
22
Icononscope – the camera
23
Kinescope – the receiver
24
Cathode ray tube
25
Philo Farnsworth
26
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.”
27
RCA now had to pay Farnsworth royalties to license his patents 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.” Sarnoff said of RCA that it was determined “to collect patent royalties, not pay them.”
28
Date of demonstration Date of demonstration 1930 1930 1931 1931 1933 1933 1936 1936 1939 1939 1941 1941 No. of picture lines 60 lines 120 lines 240 lines 343 lines 441 lines 525 lines
29
Felix the Cat image – 1929, 1937
30
FDR opening 1939 World’s Fair
31
Television started broadcasting in 1939 Television started broadcasting in 1939 World War II World War II brought everything to a halt
32
Post-war RCA 630 set RCA gave the plans to other companies Set sales skyrocketed: In 1946 – 6,000 In 1952 – 21,782,000
33
Began broadcasting again in 1946 as basically “radio with pictures”
34
Radio with pictures
37
TV essentially stole radio’s programming – dramas, comedies, variety shows, talk shows, game shows, sports, news. All programming was done live.
38
The Ruggles / Mama/ Mr. Peepers
39
Milton Berle Sid Caesar
40
Lucille Ball and Desi Arnaz
47
The death of live shows
49
CBS’ field sequential color wheel
50
CRT action
51
RCA color TV – 1954
52
Shut up!
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.