1
James L Sorden, Terry J Smith, Eric Klein: Event-activated reporting of vehicle location. Trimble Navigation, John Schipper, May 10, 1994: US05311197 (237 worldwide citation)

Apparatus that is carried on a land vehicle, a marine vehicle or vessel, or an airborne vehicle or vessel for notifying others that a vehicle accident or other abnormal situation has occurred and for notifying others of the location of the vehicle at the time of the accident. The vehicle carries an ...


2
Michael Timo Allison, Mark Nichols, James L Sorden: Location and generation of high accuracy survey control marks using satellites. Trimble Navigation, John F Schipper, April 14, 1998: US05739785 (119 worldwide citation)

A method for accurately determining the location of a pre-selected survey or construction mark, or for accurately identifying the survey position for a new mark with pre-selected location coordinates. A Satellite Positioning System (SPS), such as GPS or GLONASS, with at least two SPS stations (anten ...


3
James L Sorden: Lane change alarm for use in a highway vehicle. Trimble Navigation, David R Gildea, August 22, 2000: US06107939 (73 worldwide citation)

A lane change alarm using data for a highway track. A highway track database provides geographical location points for a track of a highway lane. A differential global positioning system (DGPS) receiver provides a vehicle location. A longitudinal track matching code matches the vehicle location agai ...


4
Michael V McCusker, James L Sorden, Peter Raby: Code-space optical electronic distance meter. Trimble Navigation, Thomas E Law Offices of Thomas E Schatzel A Prof Corp Schatzel, February 29, 2000: US06031601 (28 worldwide citation)

An electronic distance meter comprises an integrated circuit from a GPS navigation receiver having a local pseudo-random number code generator for code demodulation that is connected to modulate either a polychromatic or a monochromatic light source. An optical system focuses the light on a distant ...


5
James L Sorden: Frequency counter and method. Hewlett Packard Company, Michael L Sherrard, April 17, 1979: US04150432 (26 worldwide citation)

An averaging frequency counter for determining the frequency of recurrence of input signals has an event counter for counting a number of the input signals, a gate counter for counting a number of time intervals during which the input signals are counted, and a time interval measurement circuit for ...


6
Michael Timo Allison, Mark Nichols, James L Sorden: Location and generation of high accuracy survey control marks using satellites. Trimble Navigation, William E Pelton Esq, October 16, 2001: US06304210 (24 worldwide citation)

A first position determining device at a known position transmits a data signal identifying the known position. A second position determining device is responsive to the data signal and movable to a position near but displaced from a survey point. The position of the second position determining devi ...


7
James L Sorden, Terry J Smith, Eric Klein: Event-activated reporting of vehicle location. Trimble Navigation, William E Pelton Esq, October 13, 1998: USRE035920

Apparatus that is carried on a land vehicle, a marine vehicle or vessel, or an airborne vehicle or vessel for notifying others that a vehicle accident or other abnormal situation has occurred and for notifying others of the location of the vehicle at the time of the accident. The vehicle carries an ...