| 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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| 11/15/1983 | US4416017 Apparatus and method for attenuating interfering signals |
| 11/15/1983 | US4415899 Monitor for an instrument-landing system |
| 11/08/1983 | US4414632 Automatic monitoring system for radio signal |
| 10/25/1983 | US4412223 Antenna array with element isolation in the coupling network |
| 10/18/1983 | CA1155533A1 Method of and system for classifying emergency locating transmitters and emergency position indicating radio beacons |
| 08/23/1983 | US4400805 Acoustically filtered transducer |
| 08/23/1983 | US4400804 Driver for high power sonar systems |
| 08/23/1983 | US4400780 Moving body track indicator system |
| 08/23/1983 | CA1152616A1 Microwave landing systems |
| 08/17/1983 | EP0086083A2 Improvements relating to navigation systems |
| 08/16/1983 | US4399425 Circuit for operating a flight navigation indicator |
| 08/09/1983 | US4398198 Pulse-hyperbolic location system using three passive beacon measurements |
| 08/02/1983 | US4396918 Low-frequency radio navigation system |
| 07/26/1983 | US4395779 Jamming wave rejecting device |
| 07/19/1983 | US4394777 Method of and system for classifying emergency locating transmitters and emergency positions indicating radio beacons |
| 07/13/1983 | EP0083534A1 MLS with interference protection |
| 07/13/1983 | EP0083480A1 Receivers for navigation satellite systems |
| 07/05/1983 | US4392138 Apparatus and method for detecting and inhibiting signals interfering with a Loran C signal |
| 06/29/1983 | EP0082770A1 MLS microwave landing system with separated elevation and azimuth stations |
| 06/29/1983 | EP0082750A1 Receiving arrangement for at least two radionavigation systems |
| 06/23/1983 | WO1983002165A1 A position indicating system |
| 06/07/1983 | US4387375 Transmitter for a navigation system |
| 05/31/1983 | US4385833 Apparatus for reception and radiation of electromagnetic energy in predetermined fields of view |
| 05/25/1983 | EP0079689A2 Global positioning system receiver |
| 05/24/1983 | USRE31254 Self calibration of a LORAN-C navigation receiver |
| 05/24/1983 | US4385354 Automatically landing an aircraft |
| 05/24/1983 | US4385300 Digital TACAN processor |
| 05/24/1983 | US4385299 Apparatus for transmitting bearing information |
| 05/24/1983 | CA1147038A1 Monitoring system for scanning-beam microwave landing apparatus |
| 05/18/1983 | EP0079280A1 Device for compensating a local clock and radio navigation apparatus, in particular of the OMEGA type incorporating the same |
| 05/10/1983 | US4383259 Marine navigational aid |
| 05/03/1983 | US4382259 Device for supplying a radionavigation system of the Doppler VOR type and a Doppler VOR system comprising said device |
| 04/26/1983 | CA1145447A1 Riser angle positioning system and process |
| 04/19/1983 | CA1145016A1 Emergency locator transmitter incident time correlator |
| 03/29/1983 | CA1143841A1 Microcomputer-controlled portable satellite signal simulator for exploration systems, and method of use |
| 03/22/1983 | US4377866 Time multiplexed Loran signal processing apparatus |
| 02/22/1983 | CA1141845A1 Method and apparatus for removing noise in a loran-c navigation receiver |
| 02/09/1983 | EP0071231A1 Method of determining actual geographical position and apparatus for carrying out the method |
| 01/25/1983 | US4370748 Apparatus and method for detecting the presence of a pulsed radio frequency signal |
| 01/11/1983 | CA1139408A1 Monitor for the instrument-landing system |
| 01/05/1983 | EP0067991A1 Aircraft collision avoidance system |
| 12/28/1982 | CA1138557A1 Method and apparatus for self-calibration of a loran-c receiver |
| 12/14/1982 | US4363933 Automatic navigation station identifier and monitor |
| 12/14/1982 | CA1137586A1 Device for automatically monitoring the charge state of power supplies independently of the mains system |
| 10/20/1982 | EP0062761A1 Doppler-VOR beacon comprising a monitor |
| 10/12/1982 | US4354172 System of generating synchronizing signals in a navigational light group |
| 09/01/1982 | EP0059138A1 Method of radio-localisation by determining the phases of electromagnetic waves, and receiver apparatus therefor |
| 08/31/1982 | US4347501 Installation for transmitting alarm signals |
| 08/24/1982 | US4346384 Remote object position and orientation locator |
| 08/24/1982 | CA1130382A1 Digital phase detector and method |
| 08/17/1982 | US4345310 Aircraft flight control process and device |
| 08/11/1982 | EP0057417A2 Equipment for supervising the level of a high frequency signal |
| 08/04/1982 | EP0057073A1 A hyperbolic navigation receiver |
| 07/28/1982 | EP0056517A2 Phase lens for use in identifying the path of signals emitted or received by a transducer |
| 07/27/1982 | CA1128627A2 Terrain clearance warning system for aircraft |
| 07/22/1982 | WO1982002432A1 Aircraft collision avoidance system |
| 07/20/1982 | CA1128198A1 Integrated antenna aperture |
| 07/06/1982 | US4338031 Laser grade, elevation, curve surveying system |
| 06/29/1982 | CA1126838A1 Method and system for controlling the decelerated approach of an aerodyne |
| 06/23/1982 | EP0054353A2 Apparatus for reception and radiation of electromagnetic energy in predetermined fields of view |
| 06/02/1982 | EP0052671A1 Automated aircraft radio navigation simulator |
| 06/01/1982 | US4333081 Monitoring system for scanning-beam microwave landing apparatus |
| 06/01/1982 | CA1124820A1 Loran-c navigation apparatus |
| 05/25/1982 | US4332032 Adaptive hybrid antenna system |
| 05/25/1982 | CA1124369A1 Method and apparatus for tracking objects |
| 05/18/1982 | US4330099 System for guiding flying vehicles with light beam |
| 05/12/1982 | EP0051490A1 A speed indicating system |
| 05/04/1982 | US4328548 Locator for source of electromagnetic radiation having unknown structure or orientation |
| 05/04/1982 | US4328545 Driverless vehicle autoguide by light signals and two directional detectors |
| 04/28/1982 | EP0050493A1 Radio navigation method and system using transmission of pulse groups by a plurality of stations |
| 04/20/1982 | US4326189 Aircraft control/guidance display and mechanism for enroute and landing utility |
| 04/13/1982 | US4325068 Loran-C signal processor |
| 04/13/1982 | US4325067 Method and apparatus for removing noise in a LORAN-C navigation receiver |
| 04/06/1982 | CA1121488A1 System for locating mobile objects in distress |
| 03/17/1982 | EP0047561A1 Method of determining the position of a mobile object |
| 03/17/1982 | EP0047243A1 Method and apparatus for determining position. |
| 03/09/1982 | CA1119704A1 Radio navigation system |
| 03/09/1982 | CA1119703A1 Aerial radio-navigational beacon |
| 03/02/1982 | US4318105 Loran-C navigation apparatus |
| 02/23/1982 | US4317174 Riser angle positioning system and process |
| 02/10/1982 | EP0045381A2 Transmitting device for a navigation system |
| 02/09/1982 | US4315324 Directly modulated sonobuoy transmitter using surface acoustic wave sensor |
| 02/02/1982 | US4314251 Remote object position and orientation locater |
| 01/27/1982 | EP0044456A1 Antenna system for Doppler omnidirectional range |
| 01/19/1982 | US4311466 Automated aircraft radio navigation simulator |
| 01/12/1982 | US4310906 Liquid-immersible electrostatic ultrasonic transducer |
| 01/12/1982 | US4310884 Microcomputer-controlled portable satellite signal simulator for exploration systems, and method of use |
| 01/12/1982 | CA1116278A1 Method and means for transmission of information by sweeping fan-shaped beams |
| 01/05/1982 | US4309758 Driverless vehicle autoguided by light signals and three non-directional detectors |
| 12/29/1981 | US4308620 System for maintaining phase coincidence between a carrier wave and sidebands produced by a transmitter |
| 12/29/1981 | US4308603 Ferrofluid transducer |
| 12/22/1981 | US4307401 Two-channel receiver-indicator for phase radio systems |
| 12/15/1981 | US4306239 Microwave landing systems |
| 12/15/1981 | US4306238 Microwave landing systems |
| 12/15/1981 | CA1114211A1 Prismatic beam rotator for an optical beam projector |
| 12/08/1981 | US4305077 System for measuring current position and/or moving direction of vehicle |
| 12/02/1981 | EP0040924A1 Apparatus for obtaining the phase of a fundamental frequency from phase values of harmonics thereof |
| 11/18/1981 | EP0040088A1 Waveform synthesiser for calibrating VOR equipment |
| 11/17/1981 | US4301455 Groundspeed measurement system |
| 11/17/1981 | CA1112743A1 Aircraft landing-guiding apparatus |