Home | Mechanical Era | Vacuum Tube Generation | Transistor Generation | Integrated Circuit Generation |
Microprocessor Generation | Artificial Intelligence Generation | Internet Generation

Vacuum Tube Generation

Invention: Vacuum Tube

Date: Made in 1904 and was done in 1960s

Description: Vacuum tube can convert an alternating current signal into a direct signal.

Bibliography: http://www.vacuumtubes.net/How_Vacuum_Tubes_Work.htm

Inventor: Ambrose Fleming and Lee de Forest

Birth Date - Death Date: Ambrose: 1849-1945 Lee: 1873-1961
Birth Place: Ambrose: Lancaster Lee: Alabama

Brief biography: Ambrose Fleming was born in Lancaster in 1849. In 1904, he created a vacuum tube. Lee De Forest invented the Audion, a vacuum tube that relatively weak electrical signals and amplifies them