births
Edwin Howard Armstrong, American engineer, invented FM radio (died 1954)
Related Wikipedia articles
Edwin Howard Armstrong
American electrical engineer and inventor (1890–1954)
Edwin Howard Armstrong was an American electrical engineer and inventor who developed FM radio and the superheterodyne receiver system.Source: Wikipedia (CC BY-SA)
FM broadcasting
Radio transmission of audio by frequency modulation
FM broadcasting is a method of radio broadcasting that uses frequency modulation (FM) of the radio broadcast carrier wave. Invented in 1933 by American engineer Edwin Armstrong, wide-band FM is used worldwide to transmit high-fidelity sound over broadcast radio. FM broadcasting…Source: Wikipedia (CC BY-SA)