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  2. Reginald Fessenden - Wikipedia

    en.wikipedia.org/wiki/Reginald_Fessenden

    Reginald Aubrey Fessenden (October 6, 1866 – July 22, 1932) was a Canadian electrical engineer and inventor who received hundreds of patents in fields related to radio and sonar between 1891 and 1936 (seven of them after his death). Fessenden pioneered development of radio technology, including the foundations of amplitude modulation (AM ...

  3. List of Reginald Fessenden patents - Wikipedia

    en.wikipedia.org/wiki/List_of_Reginald_Fessenden...

    Reginald Aubrey Fessenden received hundreds of patents for devices in fields such as high-powered transmitting, ... "Capacity" – 13 March 1906; U.S. patent 897,278, ...

  4. Invention of radio - Wikipedia

    en.wikipedia.org/wiki/Invention_of_radio

    On 23 December 1900, the Canadian-born American inventor Reginald A. Fessenden became the first person to send audio (wireless telephony) by means of electromagnetic waves, successfully transmitting over a distance of about a mile (1.6 kilometers,) and six years later on Christmas Eve 1906 he became the first person to make a public wireless ...

  5. History of radio - Wikipedia

    en.wikipedia.org/wiki/History_of_radio

    According to some sources, notably Fessenden's wife Helen's biography, on Christmas Eve 1906, Reginald Fessenden used an Alexanderson alternator and rotary spark-gap transmitter to make the first radio audio broadcast, from Brant Rock, Massachusetts.

  6. Ocean Bluff-Brant Rock, Massachusetts - Wikipedia

    en.wikipedia.org/wiki/Ocean_Bluff-Brant_Rock...

    In January 1906, Reginald Fessenden achieved the first two-way transatlantic radiotelegraph transmission, exchanging Morse code messages between his stations in Brant Rock and Machrihanish, Scotland. (Marconi had only achieved one-way transmissions prior to his date).

  7. AM broadcasting - Wikipedia

    en.wikipedia.org/wiki/AM_broadcasting

    In 1903 and 1904 the electrolytic detector and thermionic diode (Fleming valve) were invented by Reginald Fessenden and John Ambrose Fleming, respectively. Most important, in 1904–1906 the crystal detector, the simplest and cheapest AM detector, was developed by G. W. Pickard.

  8. 1906 in radio - Wikipedia

    en.wikipedia.org/wiki/1906_in_radio

    The year 1906 in radio involved some significant events. Events ... 24 December – Reginald Fessenden makes the first radio broadcast: a poetry reading, ...

  9. File:Reginald Fessenden, probably 1906.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Reginald_Fessenden...

    Reginald_Fessenden,_probably_1906.jpg (635 × 357 pixels, file size: 37 KB, MIME type: image/jpeg) This is a file from the Wikimedia Commons . Information from its description page there is shown below.

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