* Exclusively for MSN Encarta Premium Subscribers. Join Now
Searched for 'Lee de Forest'
Encarta Answers
Encarta Answers
Lee De Forest:
(1873-1961), American inventor who was a pioneer in the development of radio communication. His most important invention, was a type of vacuum tube that De Forest called the audion, and which today is known as the triode. This tube, invented in 1906, revolutionized the entire field of electronics.
Search Results Feedback
How well did we match your search term?
 1
 2
 3
 4
 5
poor                                     excellent
  Main reason for your rating
 

Windows Live® Search Results

  • Lee de Forest, American Inventor

    Lee de Forest, 1873-1961, was a Yale University Ph.D, who in 1906 invented the first vacuum tube known as the Audion. It was first used as a detector of radio waves, then as an ...

  • Lee De Forest - Wikipedia, the free encyclopedia

    Lee De Forest, (August 26, 1873 – June 30, 1961) was an American inventor with over 300 patents to his credit. De Forest invented the Audion, a vacuum tube that takes relatively ...

  • lee de forest - Definitions from Dictionary.com

    Definitions of lee de forest at Dictionary.com. ... Dictionary.com Unabridged (v 1.1) Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

See all search results in
Windows Live® Search Results
© 2008 Microsoft