Patents Assigned to Foster Electric Co.
  • Damper for loudspeaker and method for manufacturing same
    Patent number: 6940991
    Abstract: A damper for loudspeaker is constituted by mounting tubular knitted tinsel cords through an adhesive agent of acrylic emulsions having a tackiness onto one surface of a corrugated damper body. The damper is thereby rendered easily manufacturable and highly flexible enough for restraining any breaking of the tinsel cords and improving the reliability.
    Type: Grant
    Filed: January 10, 2002
    Date of Patent: September 6, 2005
    Assignee: Foster Electric Co.
    Inventor: Fumiteru Shingu