Patents
Sitemap › G01 - Measuring; Testing › G01S - Radio direction-finding; Radio navigation; Determining distance or velocity by use of radio waves; Locating or presence-detecting by use of the reflection or reradiation of radio waves; Analogous arrangements using other waves › 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
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)
06/1998
06/30/1998US5774091 Short range micro-power impulse radar with high resolution swept range gate with damped transmit and receive cavities
06/23/1998US5771456 Enhanced suppression of multipath interference
06/23/1998US5771018 Hand-held navigation radio with CDI for VOR and localizer
06/18/1998WO1998026302A1 High precision hardware carrier frequency and phase aiding in a gps receiver
06/18/1998DE19651711A1 Altering positional data obtained by satellite navigation to give incorrect position
06/18/1998DE19651420A1 Ground supported satellite navigation method using one satellite of known position e.g. for aircraft during landing
06/17/1998EP0847628A2 Common transmit module for a programmable digital radio
06/17/1998EP0847537A1 System for determining the location of mobile objects
06/17/1998EP0847536A1 Highway safety method and apparatus
06/17/1998CN1184943A Satellite carried microwave radiometer one point calibration method
06/16/1998US5768686 Positioning system
06/16/1998US5768319 GPS data collection in high noise-to-signal ratio environments
06/16/1998US5767953 Light beam range finder
06/11/1998WO1998025158A1 Method and apparatus for determining time for gps receivers
06/11/1998WO1998025157A2 An improved gps receiver utilizing a communication link
06/11/1998WO1998025108A1 A neural network-based system for improving the accuracy of global positioning system signals
06/09/1998US5764172 Hybrid DAC suitable for use in a GPS receiver
06/02/1998US5760738 GPS overlay system for a geostationary satellite
06/02/1998US5760737 For a vehicle
05/1998
05/27/1998EP0843828A2 Multipath error reduction in a spread spectrum receiver for ranging applications
05/26/1998US5757722 Method for verifying the location of an array of detectors
05/26/1998US5757677 Compensation for differences in receiver signals and in satellite signals
05/26/1998US5757320 Short range, ultra-wideband radar with high resolution swept range gate
05/26/1998US5757315 GPS receiving apparatus
05/26/1998US5757314 Method and apparatus for accurately determining the position of a masked point by satellite
05/26/1998CA2144291C Control target surveillance system
05/20/1998EP0842440A1 Short range radio locator system
05/20/1998EP0776482B1 A plurality of gps receivers for elimination of multipath
05/20/1998DE19645394A1 Ortungssensor mit einem Satellitenempfänger zur Positionsbestimmung Location sensor with a satellite receiver for position determination
05/20/1998CN1182272A Insulated conductor pair and guide cable using the same
05/19/1998US5754657 Authentication of a message source
05/19/1998US5754136 Rescue aiding apparatus and search system
05/19/1998CA2161333C Cellular telephone location system
05/14/1998WO1998020304A1 Position detector with satellite signal receiver
05/13/1998EP0841577A2 Method and apparatus for receiving and converting spread spectrum signals
05/12/1998US5752218 Reduced-power GPS-based system for tracking multiple objects from a central location
05/12/1998US5751244 Method and apparatus for calibration of a GPS receiver
05/07/1998WO1998002984A3 Low power signal processing for spread spectrum receivers
05/06/1998EP0840395A2 An insulated conductor pair and a guide cable using the same
05/06/1998EP0839324A1 System and method for measuring the total electron content of the ionosphere
05/05/1998US5748891 Spread spectrum localizers
05/05/1998US5748651 Optimum utilization of pseudorange and range rate corrections by SATPS receiver
05/05/1998US5748321 Position and orientation tracking system
05/05/1998US5748144 GPS timing receiver using oversampling
05/05/1998CA2220198A1 Global positioning system recorder
04/1998
04/30/1998WO1998018017A1 Magnetic crossed-loop antenna
04/30/1998WO1998018016A1 Gps/irs global position determination method and apparatus with integrity loss provisions
04/30/1998WO1998002762A3 Method and apparatus for precision geolocation
04/29/1998EP0838692A1 Cellular telephone with position detection
04/29/1998EP0838691A2 Method and apparatus for recognition and compensation of GPS antenna lever arm in integrated GPS/DEAD reckoning navigation systems
04/28/1998US5745741 Frequency stable periodic pulse generation apparatus and method
04/28/1998US5745075 Multi-tone DGPS beacon transmitter and receiver
04/21/1998US5742914 Apparatus and method responsive to the on-board measuring of haulage parameters of a vehicle
04/16/1998WO1998015912A1 Map-based navigation system with overlays
04/16/1998CA2268065A1 Map-based navigation system with overlays
04/15/1998EP0835455A1 Differential satellite positioning system ground station with integrity monitoring
04/15/1998EP0700525B1 Cellular telephone location system
04/14/1998US5740048 Method and apparatus for GPS positioning, filtering and integration
04/14/1998US5740047 Using a computer system
04/14/1998US5739786 GPS transfer initialization system
04/14/1998CA2167916C Assured-integrity monitored-extrapolation navigation apparatus
04/09/1998WO1998014794A1 Ambiguity resolution for ambiguous position solutions using satellite beams
04/09/1998DE19731702A1 Telecommunication system producing positioning data service
04/09/1998CA2267222A1 Ambiguity resolution for ambiguous position solutions using satellite beams
04/08/1998EP0834748A1 Vehicle position tracking technique
04/07/1998US5737715 Frequency normalization utilizing GPS pulse time and time interval signal
04/07/1998US5737374 Delay locked loop for use in a GPS signal receiver
04/07/1998US5736961 Dual Frequency global positioning system
04/07/1998US5736960 Atomic clock augmented global positioning system receivers and global positioning system incorporating same
04/02/1998WO1998013947A1 A signal correlation technique for a spread spectrum receiver to reduce multipath errors
04/02/1998CA2266498A1 A signal correlation technique for a spread spectrum receiver to reduce multipath errors
04/01/1998EP0832440A2 Enhanced position calculation
03/1998
03/31/1998US5734965 On-board unit for transponder operation
03/31/1998US5734674 Pseudorandom-noise receiver having automatic switching between regular and anti-jamming modes
03/31/1998US5733028 Apparatus for projecting electromagnetic radiation with a tailored intensity distribution
03/26/1998WO1998012846A1 Gps power/data cable system
03/26/1998DE19639458A1 Warning signal lamp
03/26/1998CA2265820A1 Gps power/data cable system
03/25/1998EP0830616A1 Mitigation of multipath effects in global positioning system receivers
03/25/1998EP0830566A1 Light beam range finder
03/24/1998US5731786 Compaction of SATPS information for subsequent signal processing
03/19/1998WO1998011451A1 Receiver with improved multipath signal rejection
03/18/1998EP0829020A2 Narrow field electromagnetic sensor system and method
03/12/1998WO1998010538A1 Location of a mobile station using a plurality of commercial wireless infrastructures
03/12/1998WO1998010307A1 Location of a mobile station
03/12/1998WO1998010305A1 Microwave energy implemented aircraft landing system
03/11/1998EP0799428A4 An impulse radar with swept range gate
03/11/1998CN1175697A Bidirectional locator
03/11/1998CN1175696A Numeric code signal locator
03/10/1998US5726893 Cellular telephone with voice-in-data modem
03/10/1998US5726659 Multipath calibration in GPS pseudorange measurements
03/05/1998WO1998009211A1 Process for contactless recognition of swivelling angles
03/05/1998WO1998009181A1 Combination of a gps receiver and a telecommunications apparatus
03/04/1998EP0826980A2 DGPS position determination system
03/03/1998US5724046 Method and system for using a single code generator to provide multi-phased independently controllable outputs in a navigation satellite receiver
02/1998
02/26/1998WO1998008112A1 3d ultrasound recording device
02/26/1998WO1998008109A1 Process for initializing a receiver for determining position and corresponding receiver
02/26/1998WO1998008108A1 An electronic autorouting navigation system for visually impaired persons
02/26/1998WO1997040398A3 Spread spectrum receiver with multi-bit correlator
02/26/1998DE19633477A1 Verfahren zur Initialisierung eines Empfängers und Empfänger von Positionssignalen Method for initializing a receiver and receiver position signals
1 ... 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 ... 159