Fleming Valve: Difference between revisions
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16 November 1904. London, England. Beginning in the 1880s Professor John Ambrose Fleming of University College London investigated the Edison effect, electrical conduction within a glass bulb from an incandescent filament to a metal plate. In 1904 he constructed such a bulb and used it to rectify high frequency oscillations and thus detect wireless signals. The same year Fleming patented the device, later known as the 'Fleming valve.' | 16 November 1904. London, England. Beginning in the 1880s Professor John Ambrose Fleming of University College London investigated the Edison effect, electrical conduction within a glass bulb from an incandescent filament to a metal plate. In 1904 he constructed such a bulb and used it to rectify high frequency oscillations and thus detect wireless signals. The same year Fleming patented the device, later known as the 'Fleming valve.' | ||
[[Category:Components%2C_circuits%2C_devices_%26_systems]] | |||
[[Category:Measurement]] | |||
[[Category:Electromagnetic_measurements]] | |||
Revision as of 15:55, 5 January 2009
This article is a stub. You can help the GHN by expanding it.
16 November 1904. London, England. Beginning in the 1880s Professor John Ambrose Fleming of University College London investigated the Edison effect, electrical conduction within a glass bulb from an incandescent filament to a metal plate. In 1904 he constructed such a bulb and used it to rectify high frequency oscillations and thus detect wireless signals. The same year Fleming patented the device, later known as the 'Fleming valve.'
