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cathode-ray tube.
K.F. Braun invents the cathode-ray tube. -
wireless telephony
Reginald Fessenden invents wireless telephony, It means for radio waves to carry signals a significant distance for hearing. -
The Radio Act
The Radio Act of 1912 assigns three and four letter codes to radio stations and limits broadcasting to the 360m wavelength, which jams signals. -
The first Commercial
KDKA, a Pittsburgh Westinghouse station, transmits the first commercial radio broadcast. -
Radio Act of 1912
Reacting to problems posed by the Radio Act of 1912, the Commerce Department allows powerful stations to use the 400m wavelength as long as they only broadcast live music. -
The First Televison Transmission
Russian immigrant Vladimir Kosma Zworykin patents the iconoscope, the first television transmission tube. He patents the first color tube in 1925. A.C. Nielsen Company is founded and provides measurements of radio audiences for advertisers. -
First Opera
Radio's The Smith Family introduces the soap opera format. -
NBC
RCA, General Electric and Westinghouse establish NBC, which operates two national radio networks. -
CBS
CBS is founded by William S. Paley. -
Television's in America
There are nearly 40,000 television sets in the United States; 9,000 of them are in New York City alone. -
Act of 1934
The Communications Act of 1934 creates the Federal Communications Commission, which regulates broadcasting. -
Batman Cartoon
Robert Kane introduces the Batman cartoon. -
Color Televison
CBS demonstrates color television in New York. WNBT, the first regularly operating television station -
Yankees wins
The Yankees beat the Dodgers in seven games in the first televised World Series. -
Emmy awards
The first Emmy Awards are handed out on January 25
