TelevisionTelevision

Julius Plücker - 1859Julius Plücker - 1859

Sir William CrooksSir William Crooks

Crooks tubeCrooks tube

Beam pulled up by Beam pulled up by magnetmagnet

Karl Braun - 1897Karl Braun - 1897

Braun’s cathode ray tubeBraun’s cathode ray tube

G. R. Carey – 1875G. R. Carey – 1875

Shelford Bidwell – 1881Shelford Bidwell – 1881

Maurice leBlancMaurice leBlanc

Paul Nipkow – 1884Paul Nipkow – 1884

Mechanical TV - 1884Mechanical TV - 1884

Boris RosingBoris Rosing

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

Archibald Campbell-Archibald Campbell-SwintonSwinton

First to suggest First to suggest using cathode using cathode ray tubes for ray tubes for both sending both sending and receiving and receiving imagesimages

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

We now have all the concepts for We now have all the concepts for what we think of as “modern what we think of as “modern television”television”

And then World War I happenedAnd then World War I happened

Charles Francis JenkinsCharles Francis Jenkins

John Baird / first TV faceJohn Baird / first TV face

Vladimir ZworykinVladimir Zworykin

Icononscope – the Icononscope – the cameracamera

Kinescope – the receiverKinescope – the receiver

Cathode ray tube

Philo FarnsworthPhilo Farnsworth

Farnsworth won the Farnsworth won the lawsuit against Zworykin lawsuit against Zworykin

and RCA over who and RCA over who invented the kinescope invented the kinescope

and the iconoscope. and the iconoscope. Thus, he’s known as Thus, he’s known as

“the father of television.”“the father of television.”

RCA now had to pay Farnsworth RCA now had to pay Farnsworth royalties to license his patentsroyalties to license his patents

Sarnoff said of RCA that it was Sarnoff said of RCA that it was determined “to collect patent determined “to collect patent royalties, not pay them.”royalties, not pay them.”

Date of Date of demonstrationdemonstration 19301930 19311931 19331933 19361936 19391939 19411941

No. of picture linesNo. of picture lines 60 lines60 lines 120 lines120 lines 240 lines240 lines 343 lines343 lines 441 lines441 lines 525 lines525 lines

Felix the Cat image – Felix the Cat image – 1929, 19371929, 1937

FDR opening 1939 FDR opening 1939 World’s FairWorld’s Fair

Television started Television started broadcasting in 1939broadcasting in 1939

World War II World War II

brought everything to a haltbrought everything to a halt

Post-warPost-war

RCA 630 setRCA 630 set RCA gave the RCA gave the

plans to other plans to other companiescompanies

Set sales Set sales skyrocketed:skyrocketed: In 1946 – 6,000In 1946 – 6,000 In 1952 – In 1952 –

21,782,00021,782,000

Began broadcasting Began broadcasting again in 1946 as again in 1946 as

basically “radio with basically “radio with pictures” pictures”

Radio with picturesRadio with pictures

TV essentially stole TV essentially stole radio’s programming –radio’s programming –

dramas, comedies, dramas, comedies, variety shows, talk variety shows, talk

shows, game shows, shows, game shows, sports, news.sports, news.

All programming was All programming was done live.done live.

The Ruggles / Mama/ Mr. The Ruggles / Mama/ Mr. PeepersPeepers

Milton Berle Sid Milton Berle Sid CaesarCaesar

Lucille Ball and Desi Lucille Ball and Desi ArnazArnaz

The death of live showsThe death of live shows

CBS’ field sequential CBS’ field sequential color wheelcolor wheel

CRT actionCRT action

RCA color TV – 1954RCA color TV – 1954

Shut up!Shut up!