Patents Assigned to Advanced Technology Development, Inc.
  • Wired and wireless microphone arrays
    Patent number: RE50627
    Abstract: An acoustic noise canceling microphone arrangement and processor that uses a principal microphone and other microphones that may be incidentally or deliberately located in the vicinity of the principal microphone in order to derive an audio signal of enhanced signal-to-background noise ratio. In one implementation, the principal and incidental microphones comprise the microphone built into a mobile phone and the microphone built into a Bluetooth headset.
    Type: Grant
    Filed: May 2, 2019
    Date of Patent: October 7, 2025
    Assignee: Advanced Technology Development, Inc.
    Inventors: Jacob G. Appelbaum, Paul Wilkinson Dent, Leonid Krasny