Patents by Inventor Anders Koefed

Anders Koefed 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).

  • Publication number: 20040258267
    Abstract: The invention relates to a microphone unit for use in connection with a communication device, where the microphone unit comprise:—a linear array of two or more microphones (A,B,C,D,);—a signal processing unit which receives the signals from a number of the microphones in the array and which through signal processing provides an output signal with a degree of direction-ality, output means for the signal resulting from the signal processing. According to the invention the microphones (A,B,C,D) are directional microphones of the dipole type mounted with the ports of the dipole pointing in the direction of the linear array thereby enlarging the port spacing of the microphones (A,B,C,D).
    Type: Application
    Filed: May 25, 2004
    Publication date: December 23, 2004
    Inventors: Niels Erik Holm Christensen, Soren Laugesen, Anders Koefed, Steen Madsen, Christian C Burger