Recording wire
Magnetófono de alambre
- Date
- 1898 · confidence high
- Place
- Copenhagen, Denmark
- Credited to
- Valdemar Poulsen
- Field
- Communication
What it is
The first magnetic sound-recording system, recording an audio signal as varying magnetization on a thin steel wire, invented by Danish engineer Valdemar Poulsen.
What it led to
- Magnetic tape recording
- Dictating machines and recorded telephony
- Magnetic data storage
- Recording and broadcast industry