1
Charles Chien: Location position system for relay assisted tracking. Rockwell Technologies, Foley & Lardner, January 28, 2003: US06512478 (394 worldwide citation)

An extensible short-range tracking system is disclosed. The tracking system disclosed is a multi-level tracking system. At the first level is an RF tag, which is a transmit-only unit that transmits information including minimally an identification number. The transmission from the RF tags are sporad ...


2
Chien Charles: Systeme de position des emplacements destine au suivi assiste par relais, Location position system for relay assisted tracking. Innovative Technology Licensing, Innovative Technology Licensing, OYEN WIGGS GREEN & MUTALA, June 28, 2001: CA2392815

An extensible short-range tracking system is disclosed. The tracking system disclosed is a multi-level tracking sys-tem. At the first level is an RF tag, which is a transmit-only unit that transmits information including minimally an identification number. The transmission from the RF tags are spora ...


3
Chien Charles: Location position system for relay assisted tracking. Innovative Technology Licensing, RITTMASTER Ted R, June 28, 2001: WO/2001/046711

An extensible short-range tracking system is disclosed. The tracking system disclosed is a multi-level tracking system. At the first level is an RF tag, which is a transmit-only unit that transmits information including minimally an identification number. The transmission from the RF tags are sporad ...


4
Chien Charles: Location position system for relay assisted tracking. Innovative Tech Licensing, December 11, 2002: EP1264194-A1

An extensible short-range tracking system is disclosed. The tracking system disclosed is a multi-level tracking system. At the first level is an RF tag, which is a transmit-only unit that transmits information including minimally an identification number. The transmission from the RF tags are sporad ...



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