1
Ching Fang Lin, Hiram McCall: Interruption-free hand-held positioning method and system thereof. American GNC Corporation, Raymond Y Chan, David and Raymond Patent Group, July 2, 2002: US06415223 (143 worldwide citation)

An interruption-free hand-held positioning method and system, carried by a person, includes an inertial measurement unit, a north finder, a velocity producer, a positioning assistant, a navigation processor, a wireless communication device, and a display device and map database. Output signals of th ...


2
Ching Fang Lin: Enhanced global positioning system and map navigation process. American GNC Corporation, Raymond Y Chan, David & Raymond Patent Group, July 2, 2002: US06415227 (121 worldwide citation)

An enhanced global positioning system and map navigation process, which incorporates the GPS position data and geospatial map data. This enhanced navigation process includes GPS-based efficient geospatial database access and query and a time-space filtering method to fully fuse the GPS position data ...


3
Ching Fang Lin: Interruption free navigator. American GNC Corporation, Raymond Y Chan, David and Raymond Patent Group, December 2, 2003: US06658354 (115 worldwide citation)

An interruption free navigator includes an inertial measurement unit, a north finder, a velocity producer, a positioning assistant, a navigation processor, an altitude measurement, an object detection system, a wireless communication device, and a display device and map database. Output signals of t ...


4
Hiram McCall, Ching Fang Lin: Processing method for motion measurement. American GNC Corporation, Raymond Y Chan, David & Raymond Patent Group, October 29, 2002: US06473713 (107 worldwide citation)

A processing method for motion measurement, which is adapted to apply to output signals proportional to rotation and translational motion of a carrier, respectively from rate sensors and acceleration sensors, is more suitable for emerging MEMS rate and acceleration sensors. Compared with a conventio ...


5
Dong An, Ching Fang Lin: Digital signal processing method and system thereof for precision orientation measurements. American GNC Corporation, Raymond Y Chan, David and Raymond Patent Group, April 20, 2004: US06725173 (100 worldwide citation)

The present invention provides a digital signal processing method and system thereof for producing precision platform orientation measurements and local Earth's magnetic measurements by measuring threes axes gravity acceleration digital signals by an acceleration producer, detecting Earth' ...


6
Ching Fang Lin: Positioning and data integrating method and system thereof. American GNC Corporation, Raymond Y Chan, David and Raymond Patent Group, February 4, 2003: US06516272 (84 worldwide citation)

An improved positioning and data integrating process and system can substantially solve the problems encountered in system integration for personal hand-held applications, air, land, and water vehicles, wherein an integrated global positioning system/inertial measurement unit, enhanced with optional ...


7
Ching Fang Lin: Fully-coupled vehicle positioning method and system thereof. American GNC Corporation, Raymond Y Chan, David and Raymond Patent Group, July 23, 2002: US06424914 (74 worldwide citation)

A fully-coupled vehicle positioning method and system with differential GPS substantially solves problems encountered in either the global positioning system-only or the inertial novigation system-only, such as loss of global positioning satellite signal, sensitivity to jamming and spoofing, and an ...


8
Ching Fang Lin: Positioning and ground proximity warning method and system thereof for vehicle. Raymond Y David and Raymond Chan, December 5, 2000: US06157891 (73 worldwide citation)

A positioning and ground proximity warning method for vehicle includes the steps of outputting global positioning system signals to an integrated positioning/ground proximity warning system processor; outputting an inertial navigation solution to an integrated positioning/ground proximity warning pr ...


9
Hiram McCall, Ching Fang Lin: Self-contained positioning method and system thereof for water and land vehicles. American GNC Corporation, Raymond Y Chan, David and Raymond Patent Group, October 1, 2002: US06459990 (73 worldwide citation)

A positioning method and system for water and land vehicles is disclosed for highly accurate and self-contained operation. In which, an inertial navigation system (INS) is built on the micro MEMS (MicroElectroMechanicalSystem) IMU that is the core of the position determination system. To compensate ...


10
Hiram McCall, Ching Fang Lin: Microelectromechanical system for measuring angular rate. American GNC Corporation, Raymond Y Chan, David and Raymond Patent Group, January 21, 2003: US06508122 (64 worldwide citation)

A microelectromechanical system (MEMS) for measuring angular rate of a carrier includes an angular rate sensor unit, microelectronic circuitry, and signal processing to obtain highly accurate, sensitive, stable angular rate measurements of the carrier under dynamic environments. Wherein, the angular ...