Patents by Inventor Matti Nisula

Matti Nisula has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • WIRELESS NOISE-CANCELLING EARPLUG
    Publication number: 20190098394
    Abstract: A wireless noise-cancelling earplug includes a housing within which at least an active noise cancellation (ANC) circuit for producing anti-noise, a speaker for emitting the anti-noise as a sound wave, and a battery for powering at least the ANC circuit. The earplug further includes an audio cavity for guiding the sound wave from the speaker out of the earplug, at least one microphone for measuring ambient noise and feeding the measured ambient noise to the ANC circuit, and a passive noise reduction unit for blocking ambient noise.
    Type: Application
    Filed: November 27, 2018
    Publication date: March 28, 2019
    Inventors: Janne Kyllönen, Matti Nisula, Pekka Sarlund
  • Wireless nose-cancelling earplug
    Patent number: 10171904
    Abstract: A wireless noise-cancelling earplug includes a housing within which at least an active noise cancellation (ANC) circuit for producing anti-noise, a speaker for emitting the anti-noise as a sound wave, and a battery for powering at least the ANC circuit. The earplug further includes an audio cavity for guiding the sound wave from the speaker out of the earplug, at least one microphone for measuring ambient noise and feeding the measured ambient noise to the ANC circuit, and a passive noise reduction unit for blocking ambient noise.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: January 1, 2019
    Assignee: QON OY
    Inventors: Janne Kyllönen, Matti Nisula, Pekka Sarlund
  • WIRELESS NOISE-CANCELLING EARPLUG
    Publication number: 20180005622
    Abstract: A wireless noise-cancelling earplug includes a housing within which at least an active noise cancellation (ANC) circuit for producing anti-noise, a speaker for emitting the anti-noise as a sound wave, and a battery for powering at least the ANC circuit. The earplug further includes an audio cavity for guiding the sound wave from the speaker out of the earplug, at least one microphone for measuring ambient noise and feeding the measured ambient noise to the ANC circuit, and a passive noise reduction unit for blocking ambient noise.
    Type: Application
    Filed: November 22, 2016
    Publication date: January 4, 2018
    Inventors: Janne Kyllönen, Matti Nisula, Pekka Sarlund