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 (137 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: Interruption free navigator. American GNC Corporation, Raymond Y Chan, David and Raymond Patent Group, December 2, 2003: US06658354 (110 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 ...


3
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 (91 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' ...


4
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 (79 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 ...


5
Wy Peron Lee: Cutting machine with built-in miter cutting feature. Raymond Y Chan, David and Raymond Patent Group, April 5, 2005: US06874399 (73 worldwide citation)

A miter cutting arrangement for a cutting machine is provided to accommodate cutting work at an angle or a bevel for precisely cutting on a work piece. It includes a platform support arm longitudinally mounting to a cutting head support bracket, a platform pivot arm transversely extended from the pl ...


6
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 (72 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 ...


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 (72 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
Dong An, Ching Fang Lin: Filtering mechanization method of integrating global positioning system receiver with inertial measurement unit. American GNC Corporation, Raymond Y Chan, David and Raymond Patent Group, June 18, 2002: US06408245 (60 worldwide citation)

A filtering mechanization method is provided for integrating a Global positioning System receiver with an Inertial Measurement Unit to produce highly accurate and highly reliable mixed GPS/IMU position, velocity, and attitude information of a carrier. The GPS filtered position and velocity data are ...


9
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 (59 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 ...


10
Ching Fang Lin: Positioning process and system thereof. American GNC Corporation, Raymond Y Chan, David and Raymond Patent Group, October 30, 2001: US06311129 (57 worldwide citation)

A positioning method and a system are disclosed for measuring a position of a vehicle on land, air, and space, using measurements from a global positioning system receiver and an inertial measurement unit. In the present invention, an integrated Kalman filter processes the all-available measurements ...



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