Patents by Inventor Bernhard Bruna

Bernhard Bruna 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).

  • Supporting arrangement for electroacoustic transducers
    Patent number: 4453045
    Abstract: An arrangement for supporting electroacoustic transducers such as a microphone within a housing comprises a housing casing with a transducer within the casing supported by at least one elastic support ring provided between the transducer and the casing. The supporting ring is made of electrically conducting material providing electrical connection means to the housing. The housing itself or a portion thereof provides electrical terminal means for connecting the electrical transducer to an energy source.
    Type: Grant
    Filed: September 16, 1982
    Date of Patent: June 5, 1984
    Assignee: AKG Akustische u. Kino-Gerate Gesellschaft m.b.H.
    Inventor: Bernhard Bruna
  • Sound inlet for microphones
    Patent number: 4363937
    Abstract: A sound inlet for microphones to inhibit noises caused by sonic pressure changes occurring in shocklike pulses is disclosed which includes, in the area in front of the diaphragm walls which extend the microphone housing and have sound entry channels with openings at its outer surfaces that are closer to the diaphragm plane than those located at its inner surface. A cavity enclosed by the extending walls is closed off at the front of the housing by a cap-shaped or a plug-shaped closure.
    Type: Grant
    Filed: November 19, 1980
    Date of Patent: December 14, 1982
    Assignee: AKG Akustische u.Kino-Gerate Gesellschaft m.b.H.
    Inventor: Bernhard Bruna