1
Frederick W LeBlanc, Dennis J Dupray, Charles L Karr: Location of a mobile station using a plurality of commercial wireless infrastructures. TracBeam, Dennis J Dupray, May 22, 2001: US06236365 (702 worldwide citation)

A location system for commercial wireless telecommunication infrastructures (CMRRs). The system is an end-to-end solution having one or more location systems (


2
Charles L Karr, Frederick W LeBlanc, Dennis J Dupray: Locating a mobile station using a plurality of wireless networks and applications therefor. TracBeam, October 4, 2005: US06952181 (331 worldwide citation)

A location is disclosed for wireless telecommunication infrastructures. The systems output requested locations of hand sets or mobile stations (MS) based on, e.g., AMPS, NAMPS, CDMA or TDMA communication standards. The system determines both local MS locations, and more global MS location requests v ...


3
Frederick W LeBlanc: System and method for updating a location databank. U S West Technologies, Brooks & Kushman P C, October 29, 1996: US05570412 (266 worldwide citation)

A system and method for updating a location databank of a personal location system which is directed for use in a wireless communication system. A plurality of update centers are provided at known fixed locations within a base station coverage area. Each of the update centers is operative to transmi ...


4
Frederick W LeBlanc: Method for routing emergency calls during busy interface channel conditions. U S West Technologies, Brooks & Kushman P C, January 21, 1997: US05596625 (201 worldwide citation)

A method for routing enhanced 9-1-1 (E9-1-1) calls from a mobile emergency user to a Public Safety Answering Point (PSAP). The method is directed specifically for use in a wireless communication system which includes a plurality of base stations each of which is operative to communicate with corresp ...


5
Frederick W LeBlanc, Alparslan M Uysal: Method for determining position by obtaining directional information from spatial division multiple access (SDMA)-equipped and non-SDMA-equipped base stations. U S WEST Technologies, Brooks & Kushman, April 16, 1996: US05508707 (191 worldwide citation)

A method for determining position by obtaining directional information from spatial division multiple access (SDMA)-equipped and non-SDMA-equipped base stations. The method is directed for use in a wireless communication system which includes a plurality of base stations each having a corresponding ...


6
Frederick W LeBlanc, Gregory E Wilson, Alparslan M Uysal: Positioning system and method. US West Technologies, Brooks & Kushman P C, February 11, 1997: US05602903 (154 worldwide citation)

An improved positioning system and method for use in a wireless communication system including a plurality of base stations each having a corresponding coverage area. Scaled contour shapes are generated having minimum and maximum boundaries based upon determined RF measurements of each of the base s ...


7
Frederick W Leblanc, Dennis J Dupray, Charles L Karr: Locating a mobile station and applications therefor. TracBeam, Dennis J Dupray, October 12, 2010: US07812766 (152 worldwide citation)

A location system is disclosed for wireless telecommunication infrastructures. The system is an end-to-end solution having one or more location systems for outputting requested locations of hand sets or mobile stations (MS) based on, e.g., AMPS, NAMPS, CDMA or TDMA communication standards, for proce ...


8
Frederick W LeBlanc, Christopher S Rohrer: Method and system for position determination using video dial tone. U S West, Brooks & Kushman P C, June 16, 1998: US05768686 (36 worldwide citation)

A method for determining and reporting the position of a mobile unit to a third party via a video dial tone (VDT) network is described. The method is directed for use in a wireless communication system having at least one registration area including at least one control unit and at least one base st ...


9
Dennis J Dupray, Frederick W LeBlanc, Charles L Karr, Sheldon F Goldberg: Locating a mobile station and applications therefor. TracBeam, Dennis J Dupray, March 31, 2015: US08994591 (30 worldwide citation)

A location system and applications therefor is disclosed for wireless telecommunication infrastructures. The system is an end-to-end solution having one or more location systems for outputting requested locations of hand sets or mobile stations (MS) based on, e.g., CDMA, GSM, GPRS, TDMA or WIFI comm ...


10
Dennis J Dupray, Sheldon F Goldberg, Frederick W Leblanc, Charles L Karr: Locating a mobile station and applications therefor. FineTrak, January 3, 2017: US09538493 (2 worldwide citation)

A location system and applications therefor is disclosed for wireless telecommunication infrastructures. The system is an end-to-end solution having one or more location systems for outputting requested locations of handsets or mobile stations (MS) based on, e.g., CDMA, GSM, GPRS, TDMA or WIFI commu ...