Patents Assigned to EID Electronic Identification Systems, Ltd.
  • Highway vehicle identification system with high gain antenna
    Patent number: 5164732
    Abstract: An antenna system for mounting in a roadway comprised of an electrically lossy material. The antenna system has a reflector trough shield filled with a solid dielectric. An antenna, preferably comprised of coaxial cable, is positioned in the reflector trough, which prevents electromagnetic waves radiated by the antenna from being lost into the roadway.
    Type: Grant
    Filed: December 5, 1989
    Date of Patent: November 17, 1992
    Assignee: EID Electronic Identification Systems Ltd.
    Inventors: William K. Brockelsby, Conrad M. B. Walker, Michael L. Hryciuk, Donald P. Gillis
  • Electronic identification system
    Patent number: 4937581
    Abstract: An identification system to identify objects from a remote interrogation station may be used with moving objects such as railroad cars. The system remotely programs and stores information on an object and remotely retrieves information from the object. An information and identity storage device is located on the object and at least one interrogation station is located remotely from the object.
    Type: Grant
    Filed: July 20, 1989
    Date of Patent: June 26, 1990
    Assignee: EID Electronic Identification Systems Ltd.
    Inventors: Howard A Baldwin, Conrad M. B. Walker, William K. Brockelsby
  • Electronic identification system
    Patent number: 4870419
    Abstract: An identification system to identify objects from a remote interrogation station may be used with moving objects such as railroad cars. The system remotely programs and stores information on an object and remotely retrieves information from the object. An information and identity storage device is located on the object and at least one interrogation station is located remotely from the object.
    Type: Grant
    Filed: May 13, 1988
    Date of Patent: September 26, 1989
    Assignee: EID Electronic Identification Systems, Ltd.
    Inventors: Howard A. Baldwin, Conrad M. B. Walker, William K. Brockelsby