Lee De Forest

Nov. 22, 2010
De Forest (2003)

Ranked as one of the most important innovations in electronics in the first half of the 20th century, Lee De Forest's valve, also called triode, audion, or three-electrode vacuum tube, amplified telegraph and radio signals. It ultimately became a cornerstone in the advancement of radio. He also found a way to add sound directly to movie film utilizing the audion. But the movie industry initially rebuffed his method, only to accept later on. On another front, deForest attempted to broadcast live the N. Y. Metropolitan Opera in his belief that radio and then TV could raise America's cultural awareness. He also pioneered news broadcasting and, proving that some things don't change, incorrectly announced the winner of the 1916 presidential race. His autobiography is called Father of Radio, a title that a number of colleagues feel is warranted.

Sponsored Recommendations

Highly Integrated 20A Digital Power Module for High Current Applications

March 20, 2024
Renesas latest power module delivers the highest efficiency (up to 94% peak) and fast time-to-market solution in an extremely small footprint. The RRM12120 is ideal for space...

Empowering Innovation: Your Power Partner for Tomorrow's Challenges

March 20, 2024
Discover how innovation, quality, and reliability are embedded into every aspect of Renesas' power products.

Article: Meeting the challenges of power conversion in e-bikes

March 18, 2024
Managing electrical noise in a compact and lightweight vehicle is a perpetual obstacle

Power modules provide high-efficiency conversion between 400V and 800V systems for electric vehicles

March 18, 2024
Porsche, Hyundai and GMC all are converting 400 – 800V today in very different ways. Learn more about how power modules stack up to these discrete designs.

Comments

To join the conversation, and become an exclusive member of Electronic Design, create an account today!