Magnetic recording timeline
Year |
Timeline description |
---|
1888 |
Principle of magnetic recording proposed by Oberlin Smith. |
1898 |
Magnetic wire recording invented by Valdemar Poulsen. |
1923 |
AC bias discovered. |
1931 |
Blattnerphone steel band recorder used by the BBC. |
1934 |
I.G. Farben (BASF) makes tape with iron powder on a plastic film. |
1935 |
AEG develops the Magnetophone tape recorder. |
1946 |
Jack Mullin demonstrates the German Magnetophon in the USA. |
1948 |
First US tape recorder – Ampex. |
1948 |
First US magnetic tape – 3M and Audio Devices. |
1956 |
First practical videotape recorder – Ampex. |
1958 |
First colour videotape recorder. |
1962 |
First portable videotape recorder. |
1970 |
First cassette videotape recorder. |
1975 |
First successful consumer videotape recorder – Sony Betamax. |
1981 |
Camcorder introduced. |
1987 |
Digital video tape recorder introduced (D1) |
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