Yahoo Search Busca da Web

Resultado da Busca

  1. 30 de abr. de 2024 · Explore the monumental impact of Reginald Fessenden's sonar technology in this 7-scene video. From navigating ocean depths to military applications, witness how sonar changed the course of...

    • 24 seg
    • 579
    • Tiny Timelines
  2. 10 de mai. de 2024 · The Alexanderson alternator transmitter, developed between 1906 and 1915 by Reginald Fessenden and Ernst Alexanderson, was a huge rotating alternating current generator driven by an electric motor at a high enough speed that it produced radio frequency current in the very low frequency range.

  3. 28 de abr. de 2024 · A Legacy of Maritime Innovation. Raymarine’s roots in marine innovation date back to 1923, when acoustics and signaling pioneer Reginald Fessenden joined forces with the Submarine Signal Company and helped introduce the first commercial fathometer.

  4. 28 de abr. de 2024 · In December 1906, Reginald Fessenden accomplished a groundbreaking feat by successfully transmitting the first radio broadcasted voice. He spoke into a microphone, and his voice was carried through the airwaves, reaching astonished listeners who tuned in to hear the historic moment.

  5. Há 4 dias · While Canadian physicist Reginald Fessenden sent the first long-distance radio broadcast of music and voice back in 1906, the first commercial radio station wouldn’t open until 1920.

  6. 19 de abr. de 2024 · The world’s first wireless spoken message via radio is transmitted by Reginald Fessenden. June 3, 1900: Birth of Gordon Sinclair, journalist, writer and television commentator. June 21, 1900: Birth of Edward S. Rogers, Sr., inventor and radio pioneer. July 5, 1900

  7. 6 de mai. de 2024 · Experience the incredible impact of Reginald Fessenden's sonar invention in this enlightening 7-scene video. Discover how sonar transformed navigation, fishi...