1
David G Bird: Location of missing vehicles. Trimble Navigation, John Schipper, May 23, 1995: US05418537 (396 worldwide citation)

Method and apparatus for determining the present location of a missing vehicle, such as an automobile or marine vessel, using a Global Positioning System that receives GPS signals from two or more GPS satellites. A GPS antenna, GPS signal receiver/processor, a paging responder, a cellular telephone ...


2
James M Janky, David G Bird: Vehicle location system. Trimble Navigation, Donald S Cooper & Dunham Dowden, July 7, 1998: US05777580 (162 worldwide citation)

Method and apparatus for determining vehicle present location using a location determination system (LDS), such as GPS, GLONASS, Loran or an inertial navigation system, that receives LDS signals from two or more sources. An LDS signal antenna and receiver/processor, an interrogation signal (IS) rece ...


3
Frances W Miller, David G Bird: Self-locating radio system that automatically configures to the radio regulations for the location. Trimble Navigation, David R Gildea, October 14, 1997: US05678182 (44 worldwide citation)

A radio system that determines its location and configures itself according to the radio communication regulations of the location. The radio system includes a reference station and a rover station. The reference station includes a GPS receiver for determining a reference geographical location, a ma ...


4
James M Janky, David G Bird, Ann Ciganer: Subscription GPS information service system. Trimble Navigation, Menlo Patent Agency, David R Gildea, March 28, 2006: US07020555 (29 worldwide citation)

A GPS information service system for providing supplemental GPS correction and signal acquisition information to subscribers. A GPS information server broadcasts GPS aiding information encrypted with subscription keys. A remote GPS subscription unit receives the key enablers for the subscription key ...


5
Dennis Connor, David G Bird: GPS rover station for synthesizing synthetic reference phases for controlling accuracy of high integrity positions. Trimble Navigation, Menlo Patent Agency, David R Gildea, July 18, 2006: US07079075 (21 worldwide citation)

A positioning system or synthetic phase processor or rover station for providing high integrity positions with graduated accuracies. The positioning system includes one or more real time kinematic (RTK) reference stations for receiving GPS signals at established reference positions and measuring ref ...


6
David G Bird: GPS synchronized data communications link. Trimble Navigation, David R Gildea, November 19, 2002: US06483856 (20 worldwide citation)

A communication system using GPS-based time for synchronizing communication data packets and symbols. The communication system includes a transmit apparatus for transmitting and a receive apparatus for receiving a communication data signal. The transmit apparatus includes a transmit station GPS rece ...


7
David G Bird, Harold L Longaker: Noise estimator for seismic exploration. Trimble Navigation, Blakely Sokoloff Taylor & Zafman, April 2, 2002: US06366857 (16 worldwide citation)

A method of generating a noise estimate during seismic surveying, including measuring noise energy having a plurality of frequencies in a second time interval. The second time interval having a second start time delayed from a first start time of a first time interval during which a first plurality ...


8
James M Janky, David G Bird, Ann Ciganer: Remote subscription unit for GNSS information. Trimble Navigation, August 25, 2009: US07580794 (10 worldwide citation)

A GPS information service system for providing supplemental GPS correction and signal acquisition information to subscribers. A GPS information server broadcasts GPS aiding information encrypted with subscription keys. A remote GPS subscription unit receives the key enablers for the subscription key ...


9
James M Janky, David G Bird, Ann Ciganer: Remote subscription unit for GPS information. Trimble Navigation, Menlo Patent Agency, David R Gildea, January 2, 2007: US07158885 (10 worldwide citation)

A GPS information service system for providing supplemental GPS correction and signal acquisition information to subscribers. A GPS information server broadcasts GPS aiding information encrypted with subscription keys. A remote GPS subscription unit receives the key enablers for the subscription key ...


10
David G Bird: Method and system to connect internet protocol hosts via an application specific bus. Trimble Navigation, Blakely Sokoloff Taylor & Zafman, April 27, 2004: US06728268 (10 worldwide citation)

The present invention includes a system and method to implement Internet Protocol (IP) hosts on an application specific bus without disrupting the application specific bus. In one embodiment, an IP host determines the application specific bus address of a remote device, the remote device having an I ...



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