Magnetic tape recording (Magnetophon)
Grabación en cinta magnética (Magnetophon)
- Date
- 1928–1935 · confidence high
- Place
- Berlin, Germany
- Credited to
- Fritz Pfleumer (paper tape with oxide, Dresden, 1928); AEG and BASF (Magnetophon K1, Berlin, 1935); high-frequency bias (1940); Valdemar Poulsen (wire telegraphone, 1898)
- People
- 👤 Fritz Pfleumer1881–1945👤 Valdemar Poulsen1869–1942
- Field
- Communication
What it is
Sound recording on plastic tape coated with iron oxide, editable and reusable. It reached high-fidelity quality in 1940 and was Allied war booty in 1945.
What it led to
- Delayed-broadcast radio and studio music production
- Computer data recording (UNIVAC, 1951)
- Video (Ampex, 1956) and cassette
Built on
- Vacuum tube (Fleming diode, De Forest triode)1904–1906
- Adhesive tape (Scotch tape)1925–1930
- Poulsen's telegraphone
- Cellophane and acetate
Made possible
- Magnetic tape data storage (UNISERVO)1951
- Videotape recorder (Ampex) and VHS1956-1976
- Magnetic stripe card1960
- Compact cassette1963
- Ampex magnetic tape recorder
- Data tape