Patents Represented by Attorney John Pecker
  • Patent number: 4993325
    Abstract: This invention discloses a magnetic field generator employing a direct cunt electromagnetic coil which is swept through a predetermined area by a drive motor and transmission means. Circuit means are disclosed to periodically reverse the polarity of the generated magnetic field either in synchronism with the sweeping of the electromagnetic coil or at a time related frequency.
    Type: Grant
    Filed: June 2, 1970
    Date of Patent: February 19, 1991
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: James C. Slone, Jr., John A. Hudson, Bernard Deleman