Patents by Inventor Ryszard LEONIAK

Ryszard LEONIAK 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).

  • Device for measuring sound level
    Patent number: 9510117
    Abstract: A device for measuring sound level, comprising: an inlet opening; a MEMS microphone for measuring sound level; and an external acoustic attenuator with a pressure divider comprising: a first branch between the inlet opening and the membrane of the MEMS microphone via an inlet channel and a resonant cavity; and a second branch between the resonant cavity and a vent chamber via a vent channel.
    Type: Grant
    Filed: October 21, 2014
    Date of Patent: November 29, 2016
    Assignee: SVANTEK SP. ZO.O.
    Inventors: Wieslaw Barwicz, Ryszard Leoniak, Lukasz Lukaszewski, Grzegorz Kuzmiszyn
  • DEVICE FOR MEASURING SOUND LEVEL
    Publication number: 20150139432
    Abstract: A device for measuring sound level, comprising: an inlet opening; a MEMS microphone for measuring sound level; and an external acoustic attenuator with a pressure divider comprising: a first branch between the inlet opening and the membrane of the MEMS microphone via an inlet channel and a resonant cavity; and a second branch between the resonant cavity and a vent chamber via a vent channel.
    Type: Application
    Filed: October 21, 2014
    Publication date: May 21, 2015
    Inventors: Wieslaw BARWICZ, Ryszard LEONIAK, Lukasz LUKASZEWSKI, Grzegorz KUZMISZYN