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Charles C Freeny Jr: Object monitoring method and apparatus. Information Identification Company, Dunlap Codding & McCarthy, August 12, 1980: US04217588 (171 worldwide citation)

An improved method and apparatus for automatically monitoring objects, such as vehicles, for example, wherein signpost units are positioned at predetermined locations and each signpost unit transmits a binary signpost code for reception via units installed in the objects being monitored and the obje ...


2
Charles C Freeny Jr: Method and apparatus for automatically monitoring objects. Information Identification Company, Dunlap Codding & McCarthy, September 5, 1978: US04112421 (116 worldwide citation)

An improved method and apparatus for automatically monitoring objects, such as vehicles, for example, wherein signpost units are positioned at predetermined locations and each signpost unit transmits a binary signpost code for reception via units installed in the objects being monitored and the obje ...


3
Freeny Jr Charles C: Code element identification method and apparatus. Information Identification Company, Dunlap Laney Hessin Dougherty & Codding, August 13, 1974: US3829833 (63 worldwide citation)

An improved code element identification method and apparatus wherein a code element assembly receives an interrogate signal from a code identifier assembly in an activated position of the code identifier assembly when the code element assembly is positioned in a code identifying proximity with the c ...


4
Freeny Charles C: Dispositif de commande dacces, Access control assembly. Information Identification Company, September 26, 1978: CA1039381

Abstract of the Disclosure An improved access control assembly including a key assembly constructed to receive a time division binary key code from a remotely located encoder station in the code receive mode of operation, and a lock assembly constructed to control access to a secured device or a sec ...


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