Television Julius Plcker 1859 Sir William Crooks Crooks

Boris Rosing n First to use a cathode ray tube as a receiver for

Archibald Campbell-Swinton n First to suggest using cathode ray tubes for both sending and

1911 – A. Sinding-Larsen suggested using radio instead of wires as a carrier of

Farnsworth won the lawsuit against Zworykin and RCA over who invented the kinescope and

RCA now had to pay Farnsworth royalties to license his patents n Sarnoff said

n Date of demonstration n 1930 n 1931 n 1933 n 1936 n 1939

n Television started broadcasting in 1939 n World War II brought everything to a

Post-war n n n RCA 630 set RCA gave the plans to other companies

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

TV essentially stole radio’s programming – dramas, comedies, variety shows, talk shows, game shows,

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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 le. Blanc

Paul Nipkow – 1884

Mechanical TV - 1884

Boris Rosing n First to use a cathode ray tube as a receiver for a mechanically scanned image

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

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

Charles Francis Jenkins

John Baird / first TV face

Vladimir Zworykin

Icononscope – the camera

Kinescope – the receiver

Cathode ray tube

Philo Farnsworth

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. ”

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

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

Felix the Cat image – 1929, 1937

FDR opening 1939 World’s Fair

n Television started broadcasting in 1939 n World War II brought everything to a halt

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

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

Radio with pictures