ure0952 ure0952
  • 02-04-2020
  • Computers and Technology
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Who invented the speaker?

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udc7451 udc7451
  • 02-04-2020

Alexander Graham Bell patented his first electric loudspeaker (capable of reproducing intelligible speech) as part of his telephone in 1876, which was followed in 1877 by an improved version from Ernst Siemens.

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