| Patents for G01S 19 - Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems (34,425) | 
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| 08/25/1998 | US5798733 Interactive position guidance apparatus and method for guiding a user to reach a predetermined target position | 
| 08/25/1998 | US5798731 Method for locating moving objects | 
| 08/20/1998 | WO1998036337A1 Vehicle monitor | 
| 08/20/1998 | WO1998036288A1 A navigation/guidance system for a land-based vehicle | 
| 08/20/1998 | WO1998036244A2 A method and apparatus for differential scale factor calibration in differential odometry systems integrated with gps | 
| 08/20/1998 | WO1998016077A3 Communication system using geographic position data | 
| 08/20/1998 | WO1998015075A3 Telematic device for a motor vehicle with car radio, position fixing system and radio telephone | 
| 08/19/1998 | EP0858607A1 Differential ground station repeater | 
| 08/18/1998 | US5797091 Personal communication system and method of use | 
| 08/18/1998 | US5796773 Compensating for multipath errors, ionospheric time delay and noise errors in differential satellite positioning systems | 
| 08/18/1998 | US5796365 Method and apparatus for tracking a moving object | 
| 08/18/1998 | US5796363 Imaging radar system | 
| 08/18/1998 | US5796178 Anti-theft apparatus for a vehicle | 
| 08/13/1998 | WO1998034812A2 Multimedia information and control system for automobiles | 
| 08/13/1998 | WO1998025157A3 An improved gps receiver utilizing a communication link | 
| 08/13/1998 | CA2596489A1 Multimedia information and control system for automobiles | 
| 08/12/1998 | EP0857306A1 Combination of a gps receiver and a telecommunications apparatus | 
| 08/12/1998 | CN1190183A Position information management system | 
| 08/11/1998 | US5793813 Communication system employing space-based and terrestrial telecommunications equipment | 
| 08/06/1998 | WO1998034431A1 Method and apparatus for managing remote unit increased power transmission during location | 
| 08/06/1998 | WO1998034164A1 Method and apparatus for satellite positioning system based time measurement | 
| 08/06/1998 | WO1998034128A1 Phase detector for a predetermined incoming data sequence | 
| 08/06/1998 | WO1998034127A1 Automatic gantry steering system for a container handling machine | 
| 08/06/1998 | WO1998034124A1 Method and apparatus for covariance matrix estimation in a weighted least-squares location solution | 
| 08/06/1998 | DE19803960A1 Mobile unit calling method for cellular mobile radio network | 
| 08/06/1998 | DE19803253A1 Navigation system for guiding moving body between two points | 
| 08/06/1998 | CA2279596A1 Phase detector for a predetermined incoming data sequence | 
| 08/05/1998 | EP0856747A1 Method and apparatus for attitude determination utilizing an inertial measurement unit and a plurality of satellite transmitters | 
| 08/05/1998 | EP0856745A1 Method and apparatus for receiving and converting spread spectrum signals | 
| 08/05/1998 | EP0856162A1 Receiver for determining a position using satellite networks | 
| 08/05/1998 | CN1189892A System for determining the location of mobile objects | 
| 08/05/1998 | CN1189608A Navigation system for guiding mobile body back and forth along the same route between two points | 
| 08/04/1998 | US5790476 Methods and systems for locating an underground sewer using a buoy | 
| 08/04/1998 | US5790076 Tracking sensor specially for computer applications | 
| 08/04/1998 | US5790074 Automated location verification and authorization system for electronic devices | 
| 08/04/1998 | US5790073 Radio telecommunication network with fraud-circumventing registration | 
| 08/04/1998 | CA2090459C Method and parallel processor computing apparatus for determining the three-dimensional coordinates of objects using data from two-dimensional sensors | 
| 08/03/1998 | CA2228580A1 Method and apparatus for using advanced positioning systems in cellular communication networks | 
| 08/01/1998 | CA2226054A1 Attitude determination utilizing an inertial measurement unit and a plurality of satellite transmitters | 
| 07/29/1998 | EP0855123A1 Mobile telephone location system and method | 
| 07/29/1998 | EP0855041A1 A gps receiver and method for processing gps signals | 
| 07/29/1998 | EP0855039A2 Gps receiver and method for processing gps signals | 
| 07/28/1998 | US5787384 Apparatus and method for determining velocity of a platform | 
| 07/28/1998 | US5786790 On-the-fly accuracy enhancement for civil GPS receivers | 
| 07/28/1998 | US5786789 GPS and cellphone unit having add-on modules | 
| 07/28/1998 | US5786773 Local-area augmentation system for satellite navigation precision-approach system | 
| 07/28/1998 | US5785281 Learning autopilot | 
| 07/23/1998 | WO1998032239A2 Jamming suppression of spread spectrum antenna/receiver systems | 
| 07/23/1998 | WO1998032105A2 Personal security and tracking system | 
| 07/23/1998 | WO1998032027A1 Improved real-time clock apparatus for fast acquisition of gps signals | 
| 07/23/1998 | DE19801519A1 Telescope for expanding field angle of remote object | 
| 07/23/1998 | CA2278242A1 Personal security and tracking system | 
| 07/22/1998 | EP0515675B1 Synchronous spread-spectrum communications system and method | 
| 07/22/1998 | CN1188293A Method and device for managing status/alarm message of GPS receiver and broadcasting system time | 
| 07/21/1998 | US5784029 Recognition of and method and apparatus for GPS antenna lever arm compensation in integrated GPS/dead reckoning navigation systems | 
| 07/21/1998 | US5784028 Method and apparatus for simplex delivery of signals to obstructed geographical areas | 
| 07/21/1998 | US5784027 Snap position benchmark database and method for rapid cold start initialization of base station receivers | 
| 07/15/1998 | EP0852734A1 Method and device for geodetic surveying and/or earth imaging by satellite signal processing | 
| 07/15/1998 | EP0705442B1 Differential global positionning system using radio data system | 
| 07/14/1998 | US5781505 System and method for locating a trajectory and a source of a projectile | 
| 07/14/1998 | US5781156 GPS receiver and method for processing GPS signals | 
| 07/14/1998 | US5781155 Navigation wristwear | 
| 07/14/1998 | US5781152 Method and circuit for the reception of signals for positioning by satellite with elimination of multiple-path errors | 
| 07/14/1998 | US5781151 Interferometric trajectory reconstruction technique for flight inspection of radio navigation aids | 
| 07/14/1998 | US5781150 GPS relative position detection system | 
| 07/14/1998 | US5781101 Vehicular emergency message system activation diagnostics recorder | 
| 07/09/1998 | WO1998029967A2 Communication system with direct link to satellite | 
| 07/09/1998 | WO1998029757A1 Attitude determination method and system | 
| 07/09/1998 | WO1998029755A1 Gps multipath detection method and system | 
| 07/09/1998 | WO1998029754A1 Gps receiver fault detection method and system | 
| 07/09/1998 | DE19701800A1 Local error detection apparatus for satellite-based navigation system | 
| 07/09/1998 | DE19651543C1 Inertiale Kurs-/Lagereferenz mit GPS Kurs-/Lagewinkelstützung Inertial attitude / heading reference with GPS attitude / heading angle support | 
| 07/08/1998 | EP0829020A4 Narrow field electromagnetic sensor system and method | 
| 07/08/1998 | EP0721570B1 Position-finding and navigation equipment with satellite back-up | 
| 07/07/1998 | US5777662 Ingress/egress management system | 
| 07/07/1998 | US5777580 Vehicle location system | 
| 07/07/1998 | US5777578 Global positioning system (GPS) Compass | 
| 07/07/1998 | CA2182622C Method and apparatus for digital processing in a global positioning system receiver | 
| 07/01/1998 | EP0851607A2 System, method, device for satellites communications control, mobile communication device, with satellite position and satellite time of visibility computing | 
| 07/01/1998 | EP0850467A2 Self-locating remote monitoring systems | 
| 06/30/1998 | US5774876 Managing assets with active electronic tags | 
| 06/30/1998 | US5774831 System for improving average accuracy of signals from global positioning system by using a neural network to obtain signal correction values | 
| 06/30/1998 | US5774830 Car navigation system | 
| 06/30/1998 | US5774829 Navigation and positioning system and method using uncoordinated beacon signals in conjunction with an absolute positioning system | 
| 06/30/1998 | US5774828 Mapless GPS navigation system with user modifiable data base | 
| 06/30/1998 | US5774826 Optimization of survey coordinate transformations | 
| 06/30/1998 | US5774091 Short range micro-power impulse radar with high resolution swept range gate with damped transmit and receive cavities | 
| 06/25/1998 | WO1998000819A3 Guidance system using changeable signs | 
| 06/24/1998 | EP0848845A1 Tractor with monitoring system | 
| 06/24/1998 | EP0848828A1 Self-contained initialisation system for directional space links | 
| 06/23/1998 | US5771020 Lightning locating system | 
| 06/23/1998 | US5771001 Personal alarm system | 
| 06/23/1998 | US5769370 Knock-down satellite positioning system antenna supporting tripod | 
| 06/18/1998 | WO1998026304A1 Inertial course/position reference with gps course/position support | 
| 06/18/1998 | WO1998014796A3 Passive position determination using two low-earth orbit satellites | 
| 06/18/1998 | DE19746427A1 GPS satellite location method for trains | 
| 06/18/1998 | DE19651420A1 Ground supported satellite navigation method using one satellite of known position e.g. for aircraft during landing | 
| 06/17/1998 | EP0847537A1 System for determining the location of mobile objects | 
| 06/17/1998 | CN1185267A System and method of locating a mobile terminal within the service area of a cellular telecommunication system | 
| 06/16/1998 | US5768686 Positioning system |