Patents Assigned to Nadene Isackson
  • Percussion instrument having an electromagnetic sensor
    Patent number: 5627336
    Abstract: A musical instrument providing a base board, an elongated tone board mounted on the base board, the tone board having a first portion made of a material that is not ferro-magnetic and a second portion made of a ferro-magnetic material, a sensor mounted on the base board and providing a flux path and an output terminal, and a damper located between the tone board and the base board for isolating vibrations in the tone board from the sensor.
    Type: Grant
    Filed: May 19, 1995
    Date of Patent: May 6, 1997
    Assignee: Nadene Isackson
    Inventor: William L. Stevens