Television. Julius Plücker - 1859 Sir William Crooks.

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Presentation transcript:

Television

Julius Plücker

Sir William Crooks

Crooks tube

Beam pulled up by magnet

Karl Braun

Braun’s cathode ray tube

G. R. Carey – 1875

Shelford Bidwell – 1881

Maurice leBlanc

Paul Nipkow – 1884

Mechanical TV

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

Archibald Campbell-Swinton 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 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

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 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.”

Date of demonstration Date of demonstration No. of picture lines 60 lines 120 lines 240 lines 343 lines 441 lines 525 lines

Felix the Cat image – 1929, 1937

FDR opening 1939 World’s Fair

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

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

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

Radio with pictures

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

The Ruggles / Mama/ Mr. Peepers

Milton Berle Sid Caesar

Lucille Ball and Desi Arnaz

The death of live shows

CBS’ field sequential color wheel

CRT action

RCA color TV – 1954

Shut up!