Patents for G01S 19 - Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems (34,425)
05/1999
05/25/1999US5907809 In a radiocommunication system
05/25/1999US5907293 Apparatus mounted in a vehicle for avoiding collisions
05/25/1999US5906655 Method for monitoring integrity of an integrated GPS and INU system
05/20/1999WO1999024846A1 Method and device for determining measuring periods for satellite measurement of points at least partially surrounded by visual obstacles
05/20/1999WO1999023873A1 Method for timber harvesting and system for forestry
05/19/1999CN1217097A Multiple input frequency locked loop
05/18/1999US5905961 Method and apparatus for managing remote unit increased power transmission during location
05/18/1999US5904726 Accelerometer-based golf distancing apparatus
05/14/1999WO1999023628A1 Method and apparatus of monitoring a navigation system using deviation signals from navigation sensors
05/14/1999WO1999023505A1 Method for determining the attitude of a vehicle using gps signals
05/14/1999WO1999023504A2 Position/communication device for guideway operated vehicles
05/14/1999WO1999023465A2 Power switching for marine seismic systems
05/14/1999WO1998059256A3 Vehicle tracking and security system incorporating simultaneous voice and data communication
05/14/1999CA2307358A1 Position/communication device for guideway operated vehicles
05/12/1999EP0915321A2 System for detecting an altitude of a vehicle dependent on a global positioning system
05/12/1999EP0914641A1 A method and apparatus for generating an indication of loss of positioning integrity in emergency call systems
05/12/1999EP0914619A1 Differential ground station repeater
05/12/1999EP0914618A1 Integrity monitoring method and apparatus for gps and dgps receivers
05/11/1999US5903835 Satellite communications adapter for cellular handset
05/11/1999US5903536 Objective lens device, optical pickup adopting the same and method for manufacturing an objective lens
05/11/1999US5903236 Navigational device
05/11/1999US5903235 Handheld surveying device and method
05/11/1999US5902348 Method and system for deriving travel distance of vehicle
05/11/1999US5902347 Hand-held GPS-mapping device
05/11/1999US5902343 Automatic scaling of GPS field maps
05/11/1999US5902341 Method and apparatus to automatically generate a train manifest
05/11/1999CA2169707C Recognition of geographical region types in a map database
05/06/1999WO1999022529A1 Multiple access satellite communications network
05/06/1999EP0913702A1 Navigation receiver, in particular of GPS type
05/06/1999EP0913066A2 Method for locating a mobile station
05/06/1999EP0912947A1 Low power parallel correlator for measuring correlation between digital signal segments
05/06/1999EP0805952B1 Navigation device for people
05/06/1999DE19840016A1 Antenna for vehicle e.g. for global positioning system antenna
05/06/1999DE19748372A1 Camera with facility to define position of symbol location
05/06/1999CA2307605A1 Multiple access satellite communications network
05/04/1999US5901226 Communication system with automatic handoff
05/04/1999US5901183 Signal correlation technique for a receiver of a spread spectrum signal including a pseudo-random noise code that reduces errors when a multipath signal is present
05/04/1999US5901171 Triple multiplexing spread spectrum receiver
05/04/1999US5899957 Carrier phase differential GPS corrections network
05/04/1999US5899945 For a space craft
05/04/1999CA2174318C Method and apparatus for calibrating an antenna array
04/1999
04/29/1999WO1999021389A1 Smart subdivision of base station candidates for position location accuracy
04/29/1999WO1999020980A1 Position measurement method for mobile station
04/28/1999EP0911643A2 Digital communication system and mobile and stationary terminals therefor
04/28/1999EP0910903A1 Pre-acquisition frequency offset removal in a gps receiver
04/28/1999EP0910902A1 Method for efficient sampling in a correlator
04/28/1999EP0910901A1 Method for doppler-replica harmonic avoidance in a gps receiver
04/28/1999EP0910805A1 Power efficient receiver
04/28/1999CN1215474A Method and apparatus for covariance matrix estimation in a weighted least-squares location solution
04/27/1999US5898680 System for providing location-specific data to a user
04/27/1999US5898390 Method and apparatus for calibration of a distance sensor in a vehicle navigation system
04/27/1999US5897605 Spread spectrum receiver with fast signal reacquisition
04/22/1999WO1999020057A2 Arrangement in a telecommunication system, especially a personal communication system
04/22/1999WO1999019743A1 Reduced global positioning system receiver code shift search space for a cellular telephone system
04/21/1999EP0910001A2 Satellite attitude determination
04/21/1999EP0909522A1 Method and apparatus for geographic based control in a communication system
04/21/1999EP0909394A1 Automatic gantry steering system for a container handling machine
04/21/1999EP0847537B1 System for determining the location of mobile objects
04/20/1999US5896304 Low power parallel correlator for measuring correlation between digital signal segments
04/20/1999US5896105 Distributed phased array antenna system
04/20/1999US5896101 Wide dynamic range delta sigma A/D converter
04/20/1999US5895436 Vehicle tracking system using cellular network
04/15/1999WO1999018677A1 Gps augmentation system
04/15/1999WO1999018410A1 Method for collecting and linking position data from satellite positioning with additional data
04/14/1999EP0908806A2 Global positioning system self calibration attitude determination
04/14/1999EP0907894A2 Fault detection and exclusion used in a global positioning system (gps) receiver
04/14/1999EP0845110A4 Lightning locating system
04/13/1999US5894285 Method and apparatus to sense aircraft pilot ejection for rescue radio actuation
04/08/1999WO1999017132A1 Field unit for use in a gps system
04/08/1999WO1998010307A8 Location of a mobile station
04/06/1999US5893044 Real time clock apparatus for fast acquisition or GPS signals
04/06/1999US5892454 Hybrid monitoring of location of a site confinee
04/06/1999US5892441 Sensing with active electronic tags
04/02/1999CA2249033A1 Complete radio navigation receiver, particularly of the gps type
04/01/1999WO1999015911A1 Method and system for determining position of a cellular mobile terminal
04/01/1999WO1999002936A3 Gps guided munition
03/1999
03/31/1999EP0904551A1 Spoofing detection system for a satellite positioning system
03/31/1999EP0839324B1 System and method for measuring the total electron content of the ionosphere
03/31/1999EP0830522A4 Excavator data acquisition and control system and process
03/31/1999EP0789862B1 Autopilot with learning and playback modes
03/31/1999CN1212375A Method of locating fixed terminal using constellation of satellites
03/30/1999US5890091 Centimeter accurate global positioning system receiver for on-the-fly real-time kinematic measurement and control
03/30/1999US5890090 Half-dead-reckoning capable GPS navigation receiver
03/30/1999US5890089 Navigation system
03/30/1999US5890070 Navigation apparatus using radio communication device
03/30/1999US5890061 Vehicular emergency message system with call restriction defeating
03/30/1999US5889493 Portable GPS position measuring/displaying apparatus
03/30/1999US5889492 Method and apparatus for an acquisition-aided Geo-locating subscriber unit
03/30/1999CA2158500C Navigation system for an automotive vehicle
03/25/1999WO1999014700A1 Method of providing a textual description of a remote vehicle location
03/25/1999WO1999014617A2 Improved signal structure for global positioning systems
03/25/1999CA2302160A1 Method of providing a textual description of a remote vehicle location
03/24/1999EP0903589A2 Integrated position determination system with radio relay
03/24/1999EP0902899A1 Satellite signal receiver with position extrapolation filter
03/24/1999EP0902898A1 Satellite signal receiver with integrity control and exclusion of defective axes
03/24/1999EP0902897A1 Satellite signal receiver with speed computing integrity control
03/23/1999US5887269 Data product authorization control for GPS navigation system
03/23/1999US5886775 Noncontact digitizing imaging system
03/23/1999US5886666 Airborne pseudolite navigation system
03/23/1999US5886665 GNSS local constellation/acquisition aiding system