1913 in radio
The year 1913 in radio involved some significant events.
Events
- 31 January - Edwin Howard Armstrong first demonstrates the employment of three-element vacuum tubes in circuits that amplify signals to stronger levels than previously thought possible and that could also generate high-power oscillations usable for radio transmission. On 29 October he applies for a United States patent covering the regenerative circuit.
- Spring - Lee de Forest utilizes the feedback principle operate a low-powered transmitter for heterodyne reception of the Federal Telegraph Company's arc transmissions.
- 12 November - The International Convention for the Safety of Life at Sea is convened in London and produces a treaty requiring shipboard radio stations to be manned 24 hours a day.
- Late - Lee de Forest is acquitted of stock fraud in connection with the Radio Telephone Company in the United States.
- The Marconi Company initiates duplex transatlantic wireless communication between North America and Europe for the first time, transmitting from Marconi Towers at Louisbourg, Nova Scotia, to Letterfrack in Ireland.
- The cascade-tuning radio receiver is introduced.
- Lee de Forest publishes a description of his Audion triode detecting or amplifying vacuum tube.
Births
- 25 May - Richard Dimbleby, English broadcast news presenter
- 31 May - Peter Frankenfeld, German comedian
- 25 June - Cyril Fletcher, English comic monologuist
- 6 July - Gwyn Thomas, Welsh writer and broadcaster
Deaths
- November 6 - Sir William Henry Preece, Welsh wireless telegraph engineer