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date: 14 November 2019

Ranger, Richard H(owland) locked

  • Hugh Davies
  • , revised by Laurence Libin


(b Indianapolis, June 13, 1889; d ?Newark, NJ, Jan 10, 1962). American designer of electronic sound equipment and inventor of electronic instruments. Following service in the US Army Signal Corps during World War I, he attended the Massachusetts Institute of Technology. He worked in wireless communications and was employed as a design engineer by RCA in New York during the 1920s. In 1924 he developed a system for the transmission of photographs. His first instrument was the Rangertone organ (1930), in which sounds were generated by 12 sets of electromagnetic tone-wheels. In 1932 Ranger devised a set of electric chimes to automatically reproduce the familiar three-note NBC radio theme; the chimes were later developed as a substitute for church bells. In the mid-1930s he constructed a photoelectric instrument that used air-blown reeds to modulate beams of light. He also continued to develop electronic organs, and the company that marketed the Rangertone organ continues as Rangertone Research, Inc....

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