Patents by Inventor Jürgen Hasenmaier

Jürgen Hasenmaier 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).

  • Transmitter for sound recording of an electric signal from an acoustic drum
    Patent number: 7214871
    Abstract: A transmitter for recording of an electric signal from an acoustic drum having a vibration-sensitive device for attachment to the drumhead and for acquisition of undulations which has one of the following profiles: sector shape, sector shape with a tip turned toward the center of the drumhead, sector shape with concave sides and with a tip turned toward the center of the drumhead, circular shape with wart-like projection turned toward the center, elliptical shape with wart-like projection, which is arranged at radius of curvature one side large and is directed towards the center of the drumhead, or rectangular shape with wart-like projection which is arranged on a lateral edge of the rectangle and is directed towards the center of the drumhead.
    Type: Grant
    Filed: June 1, 2004
    Date of Patent: May 8, 2007
    Inventor: Jürgen Hasenmaier