| 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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| 08/28/1979 | US4166275 Loran receiver system |
| 08/28/1979 | CA1061453A1 Localizer antenna array for use with a localizer transmitter operating at a single carrier frequency |
| 08/14/1979 | US4164743 Drive arrangement for an instrument landing system glidepath antenna |
| 08/14/1979 | US4164340 Method and apparatus for determining when a glide slope signal exceeds a predetermined level |
| 07/17/1979 | US4161696 Pulse transmitter reference networks supplying ECD capability |
| 07/17/1979 | CA1058712A1 Sequential power supply and method for rf pulse generation |
| 07/10/1979 | US4160960 Power-dividing and modulating arrangement |
| 06/27/1979 | EP0002576A1 Projector for projecting electromagnetic control signals |
| 06/19/1979 | US4158885 Guidance-light display apparatus and method for in-flight link-up of two aircraft |
| 06/12/1979 | US4158189 Baffled blanket acoustic array incorporating an indented reaction plate |
| 06/12/1979 | CA1056468A1 Variable attenuator type double sideband suppressed carrier modulator |
| 05/22/1979 | US4156228 Acoustic transducer with acoustic isolating mounting base |
| 05/22/1979 | US4156136 Light activated acoustic pinger |
| 05/15/1979 | US4155065 Optic scattering acoustic transducer |
| 05/15/1979 | CA1054699A1 Multiple beam glide slope radio navigation method with two classes of beams |
| 05/08/1979 | US4153951 Event marker having extremely small bit storage requirements |
| 05/08/1979 | CA1054240A1 Instrument landing system (ils)with simplified transmitter |
| 04/24/1979 | US4151529 Radio beacon for aerial navigation system |
| 04/24/1979 | US4151528 Method of and apparatus for unambiguous radio navigation |
| 04/17/1979 | US4150380 LORAN-C equipment alignment |
| 04/17/1979 | US4150377 Ranging system for guiding moving objects over equidistant tracks |
| 04/17/1979 | US4149686 Method and apparatus for guiding a rotating moving body |
| 04/03/1979 | US4148034 Radio direction finding system |
| 04/03/1979 | US4147222 Acoustical underwater communication system for command control and data |
| 03/27/1979 | US4146894 Doppler navigation system with enhanced multi-path discrimination capability |
| 03/06/1979 | US4143376 Method for sampling tacan signal envelope |
| 03/06/1979 | CA1050140A1 Vlf radio position location system |
| 02/27/1979 | US4141522 Independent glide slope gain programming system |
| 02/20/1979 | US4140992 Baffled blanket acoustic array |
| 02/06/1979 | US4138680 Selective sampling method |
| 02/06/1979 | US4138678 Integrity monitoring system for an aircraft navigation system |
| 01/23/1979 | CA1047159A1 Phased array antenna with coarse/fine electronic scanning for ultra-low beam granularity |
| 01/16/1979 | US4135190 Navigational plotter |
| 01/16/1979 | US4135142 Non-linear acoustic transducer |
| 01/09/1979 | US4134117 Loran C receiver |
| 01/09/1979 | US4134116 Monitoring commutated scanning radio beams |
| 01/02/1979 | CA1045703A1 Object tracking and orientation determination means, system and process |
| 12/26/1978 | US4131890 Spectral analysis |
| 12/12/1978 | US4129870 Apparatus for synthesis of scanning beam |
| 11/28/1978 | US4127850 Scanning display apparatus |
| 11/28/1978 | CA1043452A1 Azimuth v.o.r. transmitter with phase distortion compensation |
| 11/14/1978 | US4125836 Electrically scanned antenna system and modulator for omnidirectional radio range |
| 11/07/1978 | CA1042076A1 Radio frequency transmitters |
| 10/31/1978 | CA1041640A1 High stability modulator for instrument landing systems |
| 10/24/1978 | US4122430 Sonar system |
| 10/10/1978 | US4119969 Oxidation, reductive reasting, leaching with hydrochloric acid |
| 09/26/1978 | CA1039389A1 Doppler vor beacons |
| 09/19/1978 | US4115847 Automatic flight control system with operatively monitored digital computer |
| 09/19/1978 | US4115777 Aircraft landing systems |
| 09/12/1978 | CA1038481A1 Transmission of radio navigation phase correction |
| 08/22/1978 | US4109249 Scanning beam receiver |
| 08/15/1978 | US4107688 Monitor for localizer antenna arrays |
| 08/15/1978 | US4107686 Scanning beam receiver system with coherent post-detection signal processing |
| 08/15/1978 | US4106345 Simulation facility for dynamically testing guidance systems which use radiometric frequencies |
| 08/15/1978 | CA1036709A1 Antenna system for radiating doppler coded pattern using multiple beam antenna |
| 08/08/1978 | US4106023 Navigation aid system |
| 08/08/1978 | US4106022 Radio position-determining system |
| 08/01/1978 | US4104637 VOR phase monitoring system |
| 08/01/1978 | US4104636 Doppler reference antenna with phased centerline emphasis |
| 08/01/1978 | US4104635 LORAN-C navigation apparatus |
| 07/25/1978 | US4103300 Air navigation and landing aid system |
| 07/25/1978 | US4103279 Diver navigation system |
| 07/18/1978 | US4101894 Radio beacon for a nautical emergency rescue system |
| 07/18/1978 | US4101893 Aircraft landing aid for zero-zero visibility landings |
| 07/18/1978 | US4101892 Localizer antenna array for use with localizer transmitters operating at one carrier frequency |
| 07/11/1978 | US4100548 Bifocal pillbox antenna system |
| 06/27/1978 | US4097922 Automatic real time navigation communicator |
| 06/27/1978 | US4096633 Anti-collision plotter |
| 06/20/1978 | US4096480 Air target fuze time-gated decision circuit |
| 06/20/1978 | US4095342 Radio navigation aid |
| 06/13/1978 | US4095186 Variable phase shifter |
| 06/06/1978 | US4093952 Guidance systems |
| 05/02/1978 | US4087816 VLF radio position location system |
| 04/25/1978 | US4086593 AM removal and phaselock receiver |
| 03/21/1978 | US4080600 Scanning beam radio navigation method and apparatus |
| 02/14/1978 | US4074268 Electronically scanned antenna |
| 02/14/1978 | US4074267 Device for numerically displaying vor bearing |
| 02/07/1978 | US4072950 LF/MF navigation system |
| 02/07/1978 | US4072945 Radar-operated collision avoidance system for roadway vehicles using stored information for determination of valid objects |
| 01/31/1978 | US4071898 Ship performance analyzer |
| 01/31/1978 | US4071847 Radio navigation antenna system |
| 01/31/1978 | US4071845 Harbor radio navigation system |
| 01/31/1978 | US4071843 Video color display system |
| 01/10/1978 | US4068236 Monitor for two frequency localizer guidance system |
| 01/03/1978 | US4067014 Correlation receiver for doppler microwave landing system |
| 12/27/1977 | US4065747 Acoustical underwater communication system for command control and data |
| 12/13/1977 | US4063244 Receiver/timing apparatus for a single frequency, time-shared positioning system |
| 12/13/1977 | US4063242 Doppler navigation system with reference signal source diversity |
| 12/13/1977 | US4063218 Aircraft take-off and landing system and method for using same |
| 12/06/1977 | US4061297 Approach range monitor |
| 11/29/1977 | US4060809 Tracking and position determination system |
| 11/29/1977 | US4060806 Phased array radars |
| 11/22/1977 | US4059801 Apparatus for degrading Q in a high-Q RF pulse transmitting system and the like |
| 11/15/1977 | US4058742 Radio frequency pulse transmitters |
| 10/11/1977 | US4053893 Method of and apparatus for indicating the geographical position of a pilot vehicle |
| 10/11/1977 | US4053892 System for enabling coherent signal processing at a remote receiving station |
| 09/20/1977 | US4050074 Blended step scan beam signal from fixed beam components |
| 09/06/1977 | US4047177 Doppler scanning guidance system receiver |
| 08/09/1977 | US4041493 Elimination of extraneous modulation from VHF omnirange receiver |
| 08/09/1977 | US4041492 Radio navigation with separate correlated scans to avoid reflection interference |