Telegraphon
The first tape recorder
Interesting Facts
- Telegraphon Model was patented in 1898
- It was first used as an early telephone answering machine
- It was shown at the 1900 International Exhibition in Paris
- The scientific and technical press thought it was a revolutionary innovation. but the world took little notice of it
Tape Recorders Throughout the Ages
First Version
Twentieth Century Version
This is a tape recorder used in WWII
Modern Tape Recorder
This is a picture of a modern day tape recorder
Impact on Industrial Growth
- Poulsen's telegraphon was more advanced than the mechanical recording process used at that time
- The background noise of the recording was low
- The length of the recording was longer than all the others
- The wire used was better than others because it could be erased and recorded over
- One of its only negative aspects was the sound, the volume of the telegraphon was very low
- The telegraphon was never successfully marketed
Valdemar Poulsen
Danish inventor, who was the first to patent the device with the ability to play back recorded sounds from steel wire; he named it the telegrahon.