Patents Represented by Attorney, Agent or Law Firm Albert J. Fassulo, II
  • Portable metal detection and classification system
    Patent number: 6791329
    Abstract: A metal detector system including a chassis for supporting electromagnetic sensor components above a medium such as soil or water. A transmitter coil and two receiver coils are attached to the chassis. A propulsion system is attached to the chassis between or adjacent to the receiver coils. The location of the propulsion system causes electromagnetic interference signals emanating from the propulsion system to be received at a nominally equal magnitude by each of the receiver coils.
    Type: Grant
    Filed: August 16, 2002
    Date of Patent: September 14, 2004
    Assignee: The Johns Hopkins University
    Inventor: Carl V. Nelson