de forest

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Thân thiện
Definition
  1. Proper noun:
    • A surname: "De Forest" is a family name of French origin, meaning "of the forest."
    • Lee De Forest (1873–1961): An American inventor and electrical engineer, often called the "Father of Radio." He is best known for his 1907 invention and patent of the Audion, a three-element (triode) vacuum tube that could amplify electrical signals, which was fundamental to the development of radio broadcasting, long-distance telephone lines, and sound in motion pictures.
Usage Examples
  • Proper noun (Person):
    • Lee De Forest was a pivotal figure in the history of electronics.
    • The De Forest patent for the triode revolutionized communication technology.
Advanced Usage
  • "De Forest's Audion": Refers specifically to his patented triode vacuum tube.
    • The signal amplification in early radios was made possible by De Forest's Audion.
Variants and Related Words
  • DeForest: A common alternative spelling of the surname.
  • Audion: The trademark name for De Forest's triode vacuum tube.
  • Triode: The generic term for a three-electrode vacuum tube, of which the Audion was the first practical example.
Synonyms
  • Inventor: A person who creates or designs something new.
  • Pioneer: Someone who is among the first to explore or develop a new area of knowledge or activity.
Related Phrases
  • De Forest method: A historical term sometimes used in early radio technology referring to techniques involving his Audion tube.
Noun
  1. United States electrical engineer who in 1907 patented the first triode vacuum tube, which made it possible to detect and amplify radio waves (1873-1961)

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