| 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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| 02/05/1998 | DE19730874A1 Appliance to determine and indicate travel for roller-skates and roller-blades, and condition |
| 02/04/1998 | EP0822421A1 Differential global positioning system with graded accuracy for subscribers |
| 02/04/1998 | CN1172531A Dual frequency global positioning system |
| 02/03/1998 | US5714948 Satellite based aircraft traffic control system |
| 01/29/1998 | WO1998003881A1 Differential ground station repeater |
| 01/27/1998 | US5712899 Mobile location reporting apparatus and methods |
| 01/27/1998 | US5712867 Two-way paging apparatus having highly accurate frequency hopping synchronization |
| 01/27/1998 | US5712641 Interference cancellation system for global positioning satellite receivers |
| 01/27/1998 | US5712619 Global positioning system personal alarm |
| 01/27/1998 | US5711388 Robotic golf caddy apparatus and method |
| 01/22/1998 | WO1998002984A2 Low power signal processing for spread spectrum receivers |
| 01/22/1998 | WO1998002975A1 Method for efficient sampling in a correlator |
| 01/22/1998 | WO1998002974A1 Parallel correlator for a spread spectrum receiver |
| 01/22/1998 | WO1998002973A1 Pre-acquisition frequency offset removal in a gps receiver |
| 01/22/1998 | WO1998002972A1 Method for doppler-replica harmonic avoidance in a gps receiver |
| 01/22/1998 | WO1998002830A1 Low power parallel correlator for measuring correlation between digital signal segments |
| 01/22/1998 | WO1998002759A1 Gps receiver with efficient signal acquisition |
| 01/22/1998 | WO1998002758A1 Power efficient receiver |
| 01/21/1998 | EP0820183A2 Information presentation system and portable telephone apparatus with information displaying function |
| 01/21/1998 | EP0819296A1 Apparatus and method for monitoring and bounding the path of a ground vehicle |
| 01/20/1998 | US5710600 Composite electronic apparatus |
| 01/15/1998 | WO1998002009A1 Method and apparatus for geographic based control in a communication system |
| 01/15/1998 | WO1998001772A2 Managing assets with active electronic tags |
| 01/15/1998 | WO1998001769A1 System for locating moving vehicles or objects |
| 01/15/1998 | CA2258921A1 Managing assets with active electronic tags |
| 01/14/1998 | EP0818690A2 Portable DGPS receiver |
| 01/14/1998 | CN1170483A Position locating and communication system using multiple satellite constellations |
| 01/13/1998 | US5708679 Hitless ultra small aperture terminal satellite communication network |
| 01/13/1998 | US5708440 Pseudolite translator for unlicensed frequencies |
| 01/13/1998 | US5708439 Method and apparatus for observing unknown codes on satellite positioning system |
| 01/08/1998 | WO1998000982A2 Method for locating a mobile station |
| 01/08/1998 | WO1998000819A2 Guidance system using changeable signs |
| 01/08/1998 | WO1998000727A1 Fault detection and exclusion used in a global positioning system (gps) receiver |
| 01/08/1998 | CA2257953A1 Method for locating a mobile station |
| 01/07/1998 | EP0817152A1 System for displaying the characteristics, position, velocity and acceleration of nearby vehicles on a moving-map |
| 01/07/1998 | EP0816862A2 Distress message signal sending device |
| 01/07/1998 | EP0815466A2 Device for monitoring the distance between two objects |
| 01/07/1998 | EP0815465A1 Method for locating mobile stations |
| 01/07/1998 | EP0756653B1 Method and apparatus for monitoring and coordination of multiple geography-altering machines on a work site |
| 01/06/1998 | US5706014 GPS downloadable interface locator |
| 01/06/1998 | US5704142 Excavator data acquisition and control system and process |
| 01/02/1998 | DE19625270A1 Vehicle speedometer |
| 12/31/1997 | WO1997050065A1 Sensing with active electronic tags |
| 12/31/1997 | WO1997050057A1 Communicating with electronic tags |
| 12/31/1997 | WO1997049972A2 Measuring distance |
| 12/30/1997 | US5703874 Broadband CDMA overlay system and method |
| 12/30/1997 | US5703598 Method and system for tracking stolen property |
| 12/30/1997 | US5703594 Method for remotely detecting tides and the height of other surfaces |
| 12/30/1997 | US5702070 Apparatus and method using relative GPS positioning for aircraft precision approach and landing |
| 12/29/1997 | EP0814448A2 Method to dynamically recommend a route |
| 12/29/1997 | EP0814346A1 GPS downloadable interface locator |
| 12/29/1997 | EP0814345A2 Mobile object positioning system, especially for vehicles |
| 12/29/1997 | EP0813698A1 Synchronization system for a shared channel communication system |
| 12/29/1997 | EP0813689A1 Differential ranging for a frequency-hopped remote position determination system |
| 12/29/1997 | EP0813687A1 Doppler positioning using non-planar movement of source |
| 12/26/1997 | CA2208618A1 Navigation apparatus |
| 12/23/1997 | US5701328 Chirped spread spectrum positioning system |
| 12/18/1997 | WO1997047987A1 Spoofing detection system for a satellite positioning system |
| 12/18/1997 | WO1997047986A1 Satellite signal receiver with position extrapolation filter |
| 12/18/1997 | WO1997047985A1 Satellite signal receiver with detector of incoherence between code phase and carrier frequency measurements |
| 12/18/1997 | WO1997047984A1 Satellite signal receiver with integrity control and exclusion of defective axes |
| 12/18/1997 | WO1997047983A1 Satellite signal receiver with speed computing integrity control |
| 12/18/1997 | WO1997047173A2 Portable flight guidance and tracking system |
| 12/18/1997 | CA2257194A1 Satellite signal receiver with detector of incoherence between code phase and carrier frequency measurements |
| 12/17/1997 | EP0813302A1 Broadcasting signal receiver |
| 12/10/1997 | EP0811296A1 Locating system and method using a mobile communications network |
| 12/09/1997 | US5697075 Diversity apparatus for a global positioning system antenna |
| 12/04/1997 | DE19629535A1 Mobile telephone e.g. for monitoring sleeping children |
| 12/03/1997 | EP0810803A2 Location/status-addressed radio/radiotelephone |
| 12/03/1997 | EP0810449A1 Navigation system |
| 11/27/1997 | WO1997044683A1 A method and a system for monitoring plurality of movable objects |
| 11/27/1997 | CA2255829A1 A method and a system for monitoring plurality of movable objects |
| 11/26/1997 | EP0809117A2 Emergency locator device transmitting location data by wireless telephone communications |
| 11/26/1997 | CN1166119A Frequency generator of radio communication system |
| 11/25/1997 | US5691980 Local communication network for power reduction and enhanced reliability in a multiple node tracking system |
| 11/25/1997 | US5691957 Ocean acoustic tomography |
| 11/25/1997 | US5691726 GPS/radio antenna combination |
| 11/25/1997 | US5691723 Apparatus and method for encoding and decoding data on tactical air navigation and distance measuring equipment signals |
| 11/20/1997 | WO1997043599A1 Personal direction finding apparatus |
| 11/19/1997 | EP0807829A2 Satellite ephemeris determination system using GPS tracking techniques |
| 11/18/1997 | US5689820 Vehicle location unit |
| 11/18/1997 | US5689431 Golf course yardage and information system |
| 11/18/1997 | US5689420 Range safety tracking and data processing system |
| 11/18/1997 | US5689274 Doppler rate and angle rate passive emitter location |
| 11/18/1997 | US5689270 Navigation and positioning system and method using uncoordinated becon signals |
| 11/18/1997 | US5689269 GPS relative position detection system |
| 11/18/1997 | US5689252 For identifying a desired map route |
| 11/13/1997 | WO1997042710A1 Multiple input frequency locked loop |
| 11/12/1997 | EP0806808A2 On- vehicle windowpane antenna apparatus |
| 11/12/1997 | EP0806679A1 Receiving device for a navigation system, especially for satellite |
| 11/12/1997 | EP0805988A1 Method for automatically lowering the acquisition and tracking thresholds of spread spectrum codes received in orbit |
| 11/12/1997 | EP0805952A1 Navigation device for people |
| 11/12/1997 | CN1164891A Movement detector |
| 11/12/1997 | CN1164807A Wireless communication system and method and system for detection of position of radio mobile station |
| 11/11/1997 | US5687136 User-driven active guidance system |
| 11/11/1997 | US5686925 System for obtaining a velocity of a moving object from a speed sensor with an improved adjustment of a speed conversion coefficient |
| 11/11/1997 | US5686924 Local-area position navigation system with fixed pseudolite reference transmitters |
| 11/11/1997 | US5686888 Use of mutter mode in asset tracking for gathering data from cargo sensors |
| 11/06/1997 | WO1997041457A1 Satellite synchronized 3-d magnetotelluric system |
| 11/06/1997 | DE19616469A1 Differential GPS navigation system |