Patents Assigned to Phase Technology Corporation
  • Patent number: 4566178
    Abstract: A process for assembling a cone speaker by the consecutive steps of (a) attaching a forward ring-shaped magnet plate to the small end of a truncated conical basket frame; (b) attaching a ring-shaped magnet concentrically to the forward magnet plate; (c) positioning voice coil by a shim within the central opening of the forward magnet plate; (d) affixing a flexible spider to the voice coil and to the basket; (e) affixing a solid speaker cone and its flexible skiver to the voice coil and to the basket; and affixing a cylindrical pole piece and rear plate assembly to the rear portion of the magnet with the pole piece extending into the inside of the voice coil and spaced apart therefrom by about 0.015 inch radially.
    Type: Grant
    Filed: December 28, 1984
    Date of Patent: January 28, 1986
    Assignee: Phase Technology Corporation
    Inventors: William Hecht, Pablo Reyes