1
William K Brockelsby, Conrad M B Walker, Michael L Hryciuk, Donald P Gillis: Moving vehicle identification system. Fitch Even Tabin & Flannery, March 23, 1993: US05196846 (98 worldwide citation)

A system for exchanging information by means of transmitted RF signals between a fixed location interrogator and a vehicle transponder moving in the vicinity of the interrogator. The transponder responds to a first trigger signal from the interrogator by transmitting to the interrogator a first data ...


2
Howard A Baldwin, Conrad M B Walker, William K Brockelsby: Electronic identification system. EID Electronic Identification Systems, Fitch Even Tabin & Flannery, September 26, 1989: US04870419 (93 worldwide citation)

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 l ...


3
Howard A Baldwin, Conrad M B Walker, William K Brockelsby: Electronic identification system. EID Electronic Identification Systems, Fitch Even Tabin & Flannery, June 26, 1990: US04937581 (79 worldwide citation)

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 l ...


4
William K Brockelsby, Conrad M B Walker, Michael L Hryciuk, Donald P Gillis: Highway vehicle identification system with high gain antenna. EID Electronic Identification Systems, Fitch Even Tabin & Flannery, November 17, 1992: US05164732 (74 worldwide citation)

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 rad ...


5
William K Brockelsby, Conrad M B Walker, Michael H Hryciuk, Donald P Gillis: Roadway antennae. Mark IV Transportation Products Corporation, Francis J Lidd, March 9, 1993: US05192954 (53 worldwide citation)

Antennas designed for use in producing effective electromagnetic capture zones for transponders mounted on moving vehicles. The antenna systems disclosed are principally designed to be mounted at or near the surface of a roadway carrying the vehicle whose transponder is to be interrogated. A princip ...


6
Howard A Baldwin, Conrad M B Walker, William K Brockelsby: Electronic identification system. Canadian National, Fitch Even Tabin & Flannery, July 21, 1992: US05132687 (25 worldwide citation)

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 l ...