Patents Assigned to Harman Becker Gepkocsirendszer Gyarto Korlatoll Felelossegu Tarsasag
  • Acoustic transducer
    Patent number: 9930446
    Abstract: The disclosure generally relates to acoustic transducers with stationary and moving coils, and methods for operating the acoustic transducers. Time varying signals are applied to the moving and stationary coils to control the movement of a diaphragm, which produces sound. The time varying signals are derived from a composite signal that is provided, via a pair of conductors, to the acoustic transducer. The time varying signals are derived based on various filter methods.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: March 27, 2018
    Assignee: Harman Becker Gepkocsirendszer Gyarto Korlatoll Felelossegu Tarsasag
    Inventors: John B. French, David Russell