Patents Assigned to Filtech Corporation
  • Tunable coil assembly
    Patent number: 4008450
    Abstract: A tunable coil assembly including a toroid or ring core and a variable cylindrical core means attached to the toroid core. The variable core means includes a slug movable within an electrically insulative coil form or holder. A turn(s) of electrically conductive wire is wound around both the toroid core and the adjustable core means. Another turn(s) of the wire may be wound around only the toroid core.
    Type: Grant
    Filed: May 30, 1975
    Date of Patent: February 15, 1977
    Assignee: Filtech Corporation
    Inventor: Evangelos Argoudelis