| Patents for G01S 1 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith (15,825) |
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| 10/20/1998 | US5825887 Transmitting and receiving apparatus for full code correlation operation under encryption for satellite positioning system |
| 10/20/1998 | US5825328 Precise inverse differential corrections for location determination |
| 10/20/1998 | US5825327 GPS receivers and garments containing GPS receivers and methods for using these GPS receivers |
| 10/15/1998 | WO1998045728A1 Personnel locating system |
| 10/15/1998 | WO1998045724A1 Locating device for vehicles |
| 10/15/1998 | WO1998045723A1 Method for checking the reliability of nominal position indications |
| 10/15/1998 | WO1998032239A3 Jamming suppression of spread spectrum antenna/receiver systems |
| 10/14/1998 | EP0870203A1 Position location system and method |
| 10/14/1998 | CN1196123A Multipath error reduction in spread spectrum receiver for ranging applications |
| 10/13/1998 | USRE35920 Event-activated reporting of vehicle location |
| 10/13/1998 | US5822429 System for preventing global positioning satellite signal reception to unauthorized personnel |
| 10/13/1998 | US5822376 High-speed multiplier to multiply a digital signal by a periodic signal |
| 10/13/1998 | US5821898 Codeless GPS positioning method and apparatus for such codeless positioning |
| 10/08/1998 | DE19712751A1 Receiver for signals provided by satellite navigation system |
| 10/07/1998 | EP0869373A2 Improvement in satellite position fixing |
| 10/07/1998 | EP0868686A1 Method for the real-time determination of a time delay between stations in a radiolocation/radionavigation system |
| 10/06/1998 | US5818389 Method for detecting and locating sources of communication signal interference employing both a directional and an omni antenna |
| 10/01/1998 | WO1998043192A1 In-vehicle screen blanking using global positioning system (gps) speed data |
| 09/30/1998 | EP0868036A2 Satellite communications terminal location system and method |
| 09/30/1998 | EP0866983A1 Mobile position determination |
| 09/30/1998 | EP0842440A4 Short range radio locator system |
| 09/29/1998 | US5815539 Signal timing synchronizer |
| 09/29/1998 | US5815118 Method for detecting the coordinates of a location in a region |
| 09/24/1998 | DE19711655A1 Integral monitor network for instrument landing system |
| 09/22/1998 | US5812961 Method and reciever using a low earth orbiting satellite signal to augment the global positioning system |
| 09/22/1998 | US5812087 Method and apparatus for satellite positioning system based time measurement |
| 09/17/1998 | WO1998040759A1 Method of and system for determining a route or travel by a vehicle |
| 09/15/1998 | US5809087 Coherent detection architecture for remote calibration of coherent systems |
| 09/15/1998 | US5809064 Pseudorandom noise ranging receiver which compensates for multipath distortion by dynamically adjusting the time delay spacing between early and late correlators |
| 09/15/1998 | US5809063 Coherent detection architecture for remote calibration of coherent systems using direct sequence spread spectrum transmission of reference and calibration signals |
| 09/15/1998 | US5808582 Global positioning system receiver with improved multipath signal rejection |
| 09/15/1998 | US5808581 Fault detection and exclusion method for navigation satellite receivers |
| 09/15/1998 | US5808565 GPS triggered automatic annunciator for vehicles |
| 09/11/1998 | WO1998039722A1 A method and apparatus for generating an indication of loss of positioning integrity in emergency call systems |
| 09/11/1998 | WO1998039667A1 Method of, and satellite navigational receiver for, determining a geographical location |
| 09/08/1998 | US5806017 Electronic autorouting navigation system for visually impaired persons |
| 09/08/1998 | US5805200 System for determining position from pseudorandomly modulated radio signals |
| 09/08/1998 | US5805110 Method for sensing characteristics of objects within a field |
| 09/08/1998 | US5805108 Apparatus and method for processing multiple frequencies in satellite navigation systems |
| 09/02/1998 | EP0753159B1 Vehicle-mounted transponder |
| 09/01/1998 | US5802453 Radio paging transmitter which adjusts its transmission time based on detection of its own transmission delay |
| 09/01/1998 | US5801659 Apparatus and method for coupling satellite navigation signals to a VOR system |
| 08/27/1998 | WO1998037434A1 Optoelectronic system for detecting space coordinates of an object |
| 08/27/1998 | WO1998037433A1 System and method for determining high accuracy relative position solutions between two moving platforms |
| 08/27/1998 | WO1998037430A1 Determining angle of arrival of a signal |
| 08/26/1998 | EP0860710A2 Method and system for determining a position of a target vehicle utilizing two-way ranging |
| 08/25/1998 | US5798733 Interactive position guidance apparatus and method for guiding a user to reach a predetermined target position |
| 08/25/1998 | US5798732 GPS receiver having a fast time to first fix |
| 08/20/1998 | WO1998036288A1 A navigation/guidance system for a land-based vehicle |
| 08/20/1998 | DE19707341A1 Method of self-location of track and route-bound vehicles, such as on rail, road, and inland waterways |
| 08/19/1998 | EP0858607A1 Differential ground station repeater |
| 08/19/1998 | EP0858606A1 Microwave energy implemented aircraft landing system |
| 08/18/1998 | US5796773 Compensating for multipath errors, ionospheric time delay and noise errors in differential satellite positioning systems |
| 08/18/1998 | US5796366 Method of and apparatus for position location and tracking of a vehicle or the like by the reception at the vehicle of pulsed radio navigation signals as of the Loran-OC type and the like, with an autonomous loop antenna-receiver |
| 08/13/1998 | WO1998025157A3 An improved gps receiver utilizing a communication link |
| 08/12/1998 | EP0857306A1 Combination of a gps receiver and a telecommunications apparatus |
| 08/11/1998 | US5794174 System for automatic vehicle location viewing via television |
| 08/11/1998 | US5794151 Frequency allocation for shared spectrum transmitter based on location |
| 08/11/1998 | US5793328 Method and apparatus for determining position using global positioning satellites |
| 08/06/1998 | WO1998034340A1 Signal analog processing circuit for satellite positioning receiver |
| 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 | WO1998034124A1 Method and apparatus for covariance matrix estimation in a weighted least-squares location solution |
| 08/06/1998 | CA2279596A1 Phase detector for a predetermined incoming data sequence |
| 08/06/1998 | CA2278667A1 Signal analog processing circuit for satellite positioning receiver |
| 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 |
| 08/04/1998 | US5790438 Radio navigation testing method and device using standard signal measuring and generating equipment |
| 08/04/1998 | US5790076 Tracking sensor specially for computer applications |
| 08/04/1998 | US5790073 Radio telecommunication network with fraud-circumventing registration |
| 07/30/1998 | WO1998033103A1 Method and device for docking an autonomous mobile unit |
| 07/30/1998 | DE19726357A1 Accumulator operated SMS emergency pocket transceiver |
| 07/29/1998 | EP0855601A1 System and method for displaying tracked objects on a display device |
| 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 |
| 07/29/1998 | CN1189231A System for enhancing navigation and surveillance in low visibility conditions |
| 07/28/1998 | US5786791 Method for determining an angle of arrival of a signal transmitted by a remote unit in a communication system |
| 07/28/1998 | US5786773 Local-area augmentation system for satellite navigation precision-approach system |
| 07/23/1998 | WO1998032239A2 Jamming suppression of spread spectrum antenna/receiver systems |
| 07/23/1998 | WO1998032027A1 Improved real-time clock apparatus for fast acquisition of gps signals |
| 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 | US5784027 Snap position benchmark database and method for rapid cold start initialization of base station receivers |
| 07/21/1998 | US5783831 Radiation emitting device |
| 07/16/1998 | WO1998030978A1 Motion analysis system |
| 07/15/1998 | CN1187625A Satellite borne supersoft X-ray detector networking dynamic response detecting technique and apparatus thereof |
| 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 | CA2123333C Radio beacon phase modulator for search and rescue satellite-aided tracking |
| 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 |
| 07/08/1998 | EP0852017A1 Locating the source of an unknown signal |
| 07/08/1998 | EP0829020A4 Narrow field electromagnetic sensor system and method |
| 07/07/1998 | CA2182622C Method and apparatus for digital processing in a global positioning system receiver |
| 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 | US5774825 System for automatic vehicle location via cable TV |