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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06/21/1994 | US5323332 Instrument landing system calibrator |
06/21/1994 | US5323165 Two-frequency transmitting apparatus with tone-modulation phasing for an instrument landing system |
06/21/1994 | US5323164 Satellite radio wave capturing method for a global positioning system (GPS) receiver |
06/21/1994 | US5323163 Method of navigating an object using GPS (Global Positioning System) |
06/16/1994 | DE4240284A1 Locating stolen cars and deterring thieves - having radio telephone transmitter=receiver unit concealed in vehicle and activated by call after vehicle is stolen |
06/09/1994 | DE4340955A1 Calculating position of vehicle using GPS satellite navigation system - receiving respective sets of navigation signals from satellites at base station and vehicle receivers, and calculating X,Y,Z error coefficients using second set and known position of second receiver to calculate position of first |
06/07/1994 | US5319376 Arctic submarine buoy and application methods |
06/07/1994 | US5319374 Precise universal time for vehicles |
05/31/1994 | US5317514 Integrity monitoring of navigation systems using Baye's rule |
05/31/1994 | US5317323 Passive high accuracy geolocation system and method |
05/18/1994 | EP0597715A1 Automatic aircraft landing system calibration |
05/10/1994 | US5311197 Event-activated reporting of vehicle location |
04/20/1994 | EP0592560A1 A position indicating system. |
04/20/1994 | EP0592436A1 Airport control/management system |
04/19/1994 | US5305201 Improved system for monitoring play of a golfer |
04/19/1994 | US5305010 Crystal oscillator synchronized digital very high frequency omni-range (VOR) instrumentation unit |
04/14/1994 | WO1994008405A1 Apparatus and method for providing synchronization of base-stations in a communication system |
04/14/1994 | WO1994008251A1 Device for the acquisition and compression of pulse trains |
04/13/1994 | EP0592307A1 Estimation procedure for the error in the position calculation for a mobile by a GPS receiver, and GPS receiver for the application of the procedure |
04/13/1994 | EP0591835A1 Differential phase measurement through antenna multiplexing |
03/23/1994 | EP0587561A1 Gps receiver |
03/16/1994 | EP0587487A1 Impact sensor and distress beacon for aircraft with such a sensor |
03/15/1994 | US5294970 Spatial positioning system |
03/08/1994 | US5293318 Navigation system |
03/08/1994 | US5293170 Global positioning system receiver digital processing technique |
03/02/1994 | EP0585101A2 Object locator system |
03/02/1994 | EP0584635A1 Device for obtaining the aperture configuration of a phased array antenna |
03/02/1994 | CN1083288A Method of and apparatus for radio communicatuion amongst base and mobile terminal employing meter scatter |
03/01/1994 | US5291196 Collision-avoidance method for cooperating carriers and onboard optical assembly designed for its implementation |
03/01/1994 | CA2104938A1 Object locator system |
02/27/1994 | CA2104658A1 Ils signal analysis device and method |
02/23/1994 | EP0583523A2 Pager with reverse paging facility |
02/23/1994 | EP0583522A2 Remote position determination system |
02/21/1994 | CA2104555A1 Pager with reverse paging facility |
02/21/1994 | CA2104544A1 Remote position determination system |
02/15/1994 | CA2029815C Apparatus and method for short cycling sequences of a p-code generator |
02/15/1994 | CA1327069C Receiver for bandspread signals, particularly gps receiver |
02/09/1994 | EP0582073A2 Remote position determination |
02/09/1994 | EP0581847A1 System for transmitting data between the ground and moving vehicles, particularly in ground/train communication |
02/04/1994 | CA2097974A1 Remote position determination |
01/19/1994 | CN1081011A Passive aircraft monitoring system |
01/11/1994 | US5278568 Method of and apparatus for two-way radio communication amongst fixed base and mobile terminal users employing meteor scatter signals for communications inbound from the mobile terminals and outbound from the base terminals via Loran communication signals |
01/11/1994 | CA1326069C Microwave landing system |
01/05/1994 | EP0577364A2 An apparatus for seismic surveying and a method of synchronizing systems for seismic surveying |
12/29/1993 | CN1080059A A pseudorandom noise ranging receiver which compensates for multipath distortion by dynamically adjusting the time delay spacing between early and late correctors |
12/28/1993 | US5274675 Method and apparatus for post-correlation scoring circuit |
12/23/1993 | DE4220101A1 Two frequency transmitter combination for instrument landing system - uses differential phase shift of common audio frequency modulations of course and clearance signals |
12/20/1993 | CA2097976A1 Two-frequency transmitting apparatus with tone-modulation phasing for an instrument landing system |
12/15/1993 | EP0574139A1 Passive aircraft monitoring system |
12/14/1993 | US5271034 System and method for receiving and decoding global positioning satellite signals |
12/14/1993 | CA1325261C Automatic, real-time fault monitor verifying network in a microwave landing system |
12/07/1993 | US5268695 Differential phase measurement through antenna multiplexing |
12/01/1993 | EP0572082A2 Vehicle location unit |
11/25/1993 | WO1993023763A1 Passive aircraft monitoring system |
11/23/1993 | US5265025 Navigation system using satellite signals |
11/23/1993 | US5264857 Method and apparatus for signal modulation and detection |
11/18/1993 | EP0328617B1 Phase demodulator and its application to an mls-type landing system |
11/10/1993 | EP0568886A1 Circuit and phase shifters for generating signals for TACAN antennas |
11/06/1993 | CA2095510A1 Circuit for generating rf signals for electronically scanned antennas and in particular for tacan systems, and phase shifter suitable for the same |
11/04/1993 | DE4312599A1 Optical transmitter for required position direction finder - includes rotation-symmetrical body in transmitter whose axis is located in laser beam at rest position |
11/03/1993 | EP0568393A2 Radio communication apparatus |
11/02/1993 | CA2095284A1 Method of and apparatus for two-way radio communication amongst fixed base and mobile terminal users employing meteor scatter signals for inbound communications from the mobile terminals and outbound communications from the base terminals via loran communication signals combined with loran navigational transmissions |
10/28/1993 | WO1993021540A1 Method and system for determining the position and direction of a moving object and applications thereof |
10/19/1993 | US5254998 Executive monitor for microwave landing system |
10/06/1993 | EP0564209A2 Picture information memory device and picture information reproducing device using pockels readout optical modulator element |
10/05/1993 | US5250955 State entry beacon system |
09/28/1993 | US5248983 Transmitting station for a position locating system, particularly for the microwave landing system, and methods for monitoring and controlling such a transmitting station |
09/28/1993 | US5248981 Apparatus and method for positioning of a gps receiver |
09/22/1993 | EP0561540A1 Satellite radio wave capturing method of GPS receiver |
09/22/1993 | EP0561539A2 Method for setting search widthsband of a GPS receiver |
09/15/1993 | EP0560470A1 Personnel identification devices |
09/14/1993 | US5245659 Constant ratio coding for multipath rejection and ECCM enhancement |
09/14/1993 | US5245628 Enhanced l1/l2 code channel for global positioning system receivers |
09/07/1993 | CA1322037C Airborne receiver in microwave landing system with channel selection means by manual input of familiar abbreviations of airports |
09/02/1993 | DE4206327A1 Two-frequency transmitter with audio modulation phasing - radiates clearance signal into broader angle than course signal for suppression of difference-of-depth-of-modulation interference |
08/31/1993 | US5241700 Receiver of an electromagnetic signal with a known nominal frequency, liable to be affected by an unknown variation, in particular by the doppler shift |
08/31/1993 | US5241561 Radio receiver |
08/24/1993 | US5239669 Coupler for eliminating a hardwire connection between a handheld global positioning system (GPS) receiver and a stationary remote antenna |
08/19/1993 | DE4204229A1 Phase-normal controller for synchronisable frequency synthesiser - produces corrective tuning voltage for reference oscillator by digital=to=analogue conversion from satellite time signal |
08/19/1993 | DE4204164A1 Position and mission data unit for GPS flight navigation and flight data processing - has display for aeroplanes and helicopters used in general air traffic supported by global positioning satellite system and data unit of modular design |
08/17/1993 | CA1321419C Phase signal filtering apparatus applicable to a global positioning system |
08/10/1993 | US5235513 Aircraft automatic landing system |
08/04/1993 | EP0543954A4 Spatial positioning system |
08/03/1993 | US5233626 Repeater diversity spread spectrum communication system |
07/28/1993 | EP0552975A2 A pseudorandom noise ranging receiver which compensates for multipath distortion by dynamically adjusting the time delay spacing between early and late correlators |
07/13/1993 | CA1320255C Method of and apparatus for message communication on loran-c navigational signal broadcasts and the like with reduced navigation errors and with reduced skywave navigation location errors |
07/06/1993 | US5226061 Transmitters and transmitter circuits |
07/06/1993 | US5225828 Infrared identification beacon |
06/29/1993 | US5223843 High performance global positioning system receiver means and method |
06/24/1993 | CA2058352A1 Calibration of plural-channel system |
06/23/1993 | EP0547274A1 Calibration of plural - channel system |
06/22/1993 | US5222245 Gps receiver |
06/22/1993 | US5222099 Spread spectrum signal receiving apparatus |
06/15/1993 | US5220333 Method and apparatus for determining universal coordinated time from Loran-C transmissions |
06/08/1993 | US5218366 Emergency transmitter buoy for use on marine vessels |
06/08/1993 | US5218360 Millimeter-wave aircraft landing and taxing system |
06/02/1993 | EP0543954A1 Spatial positioning system. |
06/01/1993 | US5216352 Solid state current controlled interruption system |
05/26/1993 | EP0543028A1 Method of generating a stable frequency signal for a power-supply-apparatus and a synchronising and receiver device for it |
05/18/1993 | CA1318009C Roadside beacon system with polarized beams |