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Hearing Aid

  • Miller Reese Hutchinson Creates Hearing Aid

    Miller Reese Hutchinson Creates Hearing Aid
    The first electric hearing aid was created in 1898 by Hutchinson to help people with poor hearing by using electric currents to amplify weak signals.
  • Hearing aids become manufactured

    Hearing aids become manufactured
    In 1913, hearing aids were manufactured, and they weren't portable
  • Hearing Aids become smaller and more portable

    Hearing Aids become smaller and more portable
    Transistors were created in 1948 and they were used to replace the vacuum tube in the first hearing aid and they were just overall better. They needed less battery power, were smaller and had less volume distortion.
  • Hearing Aids started to get more technological and portable

    Hearing Aids started to get more technological and portable
    The microprocessor and multi-channel amplitude compression were created in the 1970's. The microprocessor was tiny and was able to be more portable, and the multi-channel amplitude was a more digital breakout to hearing aids.
  • Hybrid Hearing Aids were created

    Hybrid Hearing Aids were created
    Hybrid hearing aids were created by combining the amplifier, filter, signal limiting from the conventional hearing aid and a separate digital piece into a conventional hearing aid case.
  • The First All Digital Hearing Aid was created

    The First All Digital Hearing Aid was created
    In the 1990's, the first all digital hearing aid was created. It was placed behind the ear. It was only distributed to research centers first, then it was commercially dispersed.
  • Made for iPhone hearing aids were created

    Made for iPhone hearing aids were created
    Only recently, users of iPhones or Bluetooth users in general can use their phones to control their hearing aids and listen to music, podcasts, etc.