Harold Stephen Black

Harold Stephen Black ( born April 14, 1898 in Leominster, Massachusetts, † 11 December 1983) was an American electronics engineer.

Black is known as the inventor of the negative-feedback amplifier. The work that led to the invention found in the period around 1930 in the laboratories of the Western Electric Company in the U.S. instead ( Bell Labs). The principle of negative feedback was of paramount importance for the development of telephone amplifiers high quality. It also forms the basis for almost all amplifiers used today in practice. Black 1937, the received U.S. Patent No. 2,102,671 for this invention.

Similar work has been in the same period in Britain (Paul GAH Voigt, British Patent 231972 ) and in the Netherlands, Philips ( Bernard Tellegen, British Patent 323 823 ) instead. It is therefore controversial, who may be regarded as the first inventor of the negative-feedback amplifier.

Source

  • Personality of Electrical Engineering
  • Inventor
  • Americans
  • Born in 1898
  • Died in 1983
  • Man
December 11 Analog Devices Integrated Authority File
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