| 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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| 06/04/1987 | DE3541862A1 Surveillance device for the standardised instrument landing system ILS |
| 06/03/1987 | EP0224315A1 Digital frequency discriminator and its use in a composite VOR signal |
| 06/02/1987 | US4670759 Automatic Loran-C signal detecting apparatus |
| 05/20/1987 | EP0222354A1 Direction-finding device |
| 05/20/1987 | CN86105364A Apparatus for and method of doppler searching in a digital global positioning system navigation system |
| 05/19/1987 | US4667203 Method and system for determining position using signals from satellites |
| 05/06/1987 | EP0220303A1 Microwave landing system |
| 05/05/1987 | CA1221443A1 Loran c cycle slip reduction technique |
| 04/30/1987 | DE3633557A1 Method for determining the position of vehicles, especially land vehicles |
| 04/29/1987 | EP0220005A2 Phase rotation of signals |
| 04/07/1987 | US4656476 Warning device for golf carts |
| 03/31/1987 | US4654817 Real time controller |
| 03/17/1987 | US4651154 Digital NAVSTAR receiver |
| 03/12/1987 | WO1987001540A1 Apparatus for and method of doppler searching in a digital gps receiver |
| 03/11/1987 | EP0213650A2 Method of ascertaining navigational information |
| 03/10/1987 | CA1219051A1 Position-fixing system |
| 03/05/1987 | DE3531726A1 Search apparatus for buried objects |
| 03/03/1987 | US4648101 MLS on-board receiver circuit to decode fast-scanning boosted preamble |
| 03/03/1987 | US4647926 Warning system for microwave landing system airborne receiver |
| 02/26/1987 | WO1987001210A1 Instrument landing system |
| 02/25/1987 | EP0211714A1 Device for increasing the dynamic range of an amplifying circuit, in particular of an MLS board receiver |
| 02/18/1987 | CN86103902A Method of and apparatus for reducing cycle slippage errors in radio-frequency signal reception |
| 02/17/1987 | USRE32357 Moving body track indicator system |
| 02/11/1987 | CN86105111A Improved inseruments londing systems |
| 02/10/1987 | US4642647 Signal generator for radio navigation system |
| 02/10/1987 | US4642646 Automatic sensitivity adjustment and audio muting for aircraft marker beacon receiver |
| 02/05/1987 | DE3526564A1 Container handling system |
| 02/04/1987 | EP0210720A1 Method of and apparatus for reducing cycle slippage errors in loran-C and similar radio-frequency signal reception, particularly in vehicles undergoing acceleration |
| 02/04/1987 | EP0210283A1 Beacon powered by solar cells |
| 02/03/1987 | US4641254 Test set for a navigational satellite receiver |
| 02/03/1987 | US4641142 TACAN beacon |
| 01/29/1987 | DE3526810A1 Rotating Doppler radio beacon |
| 01/21/1987 | EP0209411A1 Remote control system for a cursor on a screen |
| 01/20/1987 | US4638508 Portable FLIR beacon |
| 01/13/1987 | US4636958 Arrangement for receiving TACAN signals |
| 01/06/1987 | US4635064 Microwave landing system |
| 12/30/1986 | US4633260 Loran-C signal receiving apparatus |
| 12/24/1986 | CN86103031A 改进的微波着陆系统 Improved microwave landing system |
| 12/23/1986 | US4631543 Method and apparatus for reducing the effects of impulse noise in Loran-C receivers |
| 12/16/1986 | US4630289 Emergency locator transmitter incident time correlator |
| 12/16/1986 | US4630227 Apparatus and method for on-board measuring of the load carried by a truck body |
| 12/16/1986 | US4630208 Identification of beacons |
| 12/10/1986 | EP0204259A1 Two-frequency instrument-landing system |
| 12/04/1986 | WO1986007162A1 Spectral analyzer and direction indicator and aircraft landing system application |
| 12/02/1986 | US4626849 Proximity detection system |
| 12/02/1986 | CA1214875A1 Time and accounting system |
| 11/19/1986 | CN85104037A Multi-frequency lane identification system |
| 11/18/1986 | US4623892 For use in an aircraft |
| 11/07/1986 | EP0187842A4 Loran c cycle slip reduction technique. |
| 11/05/1986 | EP0200598A1 Method and device for monitoring a station of an MLS-type landing aid system |
| 10/14/1986 | US4617569 Process for increasing the range and particularly the protection against jamming of an MLS landing system and means for performing this process |
| 10/09/1986 | WO1986005889A1 Microwave landing system |
| 10/01/1986 | EP0196179A2 Digital phase rotation of signals |
| 09/23/1986 | US4613977 Digital Navstar receiver |
| 09/23/1986 | US4613864 Position-fixing system |
| 09/23/1986 | US4613812 Microwave detection system |
| 09/17/1986 | EP0194763A2 Radio transmitter with two operational modes |
| 09/16/1986 | CA1211546A1 Differential doppler receiver |
| 09/10/1986 | EP0194063A2 Tracking transmitter with two operational modes |
| 09/03/1986 | EP0192876A1 Split gate preprocessor |
| 09/02/1986 | US4609921 Digital modulation depth detector |
| 08/20/1986 | EP0191657A1 Method for radioelectrically synchronizing stations of an MLS landing aid system by a DME station, and devices for carrying out such a method |
| 08/20/1986 | EP0191079A1 Projection system for a guide beam. |
| 08/19/1986 | CA1210118A1 Receivers for navigation satellite systems |
| 08/12/1986 | US4605930 Integral monitor for ILS localizer |
| 08/05/1986 | US4604625 Phase-locked digital very high frequency omni-range (VOR) receiver |
| 07/30/1986 | EP0188937A1 Method for the radio-electric synchronization of slave stations with a master station, particularly for an MLS landing system, and devices for carrying out such a method |
| 07/30/1986 | EP0188870A1 Dynamic limiter for mls receiver |
| 07/23/1986 | EP0187842A1 Loran c cycle slip reduction technique. |
| 07/15/1986 | US4601005 Receivers for navigation satellite systems |
| 07/08/1986 | US4599621 Two-frequency glide-path station for the standardized instrument-landing system ILS |
| 07/08/1986 | CA1207413A1 Calibration of a system having plural signal-carrying channels |
| 07/02/1986 | EP0186198A2 System and method for deriving the position of a receiver from signals broadcast by satellites. |
| 06/24/1986 | CA1206564A1 Differential ecd detector for loran c receiver |
| 06/17/1986 | US4595927 Loran C cycle slip reduction technique |
| 06/10/1986 | US4594594 Loran signal receiver |
| 06/10/1986 | CA1205889A1 Cyclic redundancy check monitor for microwave landing system beam steering unit |
| 05/27/1986 | US4591861 Doppler VOR |
| 05/27/1986 | US4591860 Loran-C receiver |
| 05/20/1986 | US4590570 Marine navigational aid |
| 04/29/1986 | US4586049 Apparatus and method for use in instrument landing system localizer and glide-slope receivers for deriving course deviation information |
| 04/22/1986 | US4584580 Apparatus for rejecting jamming waves |
| 04/09/1986 | EP0177203A2 Radio navigation system |
| 03/18/1986 | US4577196 Missile mounted waveguide antenna |
| 03/18/1986 | US4577194 Area navigational system |
| 03/13/1986 | WO1986001612A1 Projection system for a guide beam |
| 03/05/1986 | EP0172833A1 Time and accounting system |
| 03/04/1986 | CA1201518A1 Microprocessor controlled agc |
| 02/05/1986 | EP0170231A2 Rotating Doppler radio beacon |
| 02/04/1986 | US4568942 Microwave landing system with separate elevation bearing stations |
| 01/30/1986 | WO1986000715A1 Loran c cycle slip reduction technique |
| 01/29/1986 | EP0169520A2 Spread spectrum signal receiver |
| 01/28/1986 | US4567486 Phase difference measurement technique for VOR |
| 01/14/1986 | US4564841 Navigational systems using phase encoded angular coordinates |
| 01/14/1986 | US4564840 Radionavigation system having means for concealing distance and/or bearing information conveyed thereby |
| 01/07/1986 | CA1199096A1 Global positioning system receiver |
| 12/24/1985 | US4560270 Device included in a distance meter system |
| 12/17/1985 | US4559538 Microwave landing system with protection against jamming |
| 12/11/1985 | EP0164178A2 Microwave landing system with +/- 90 degree azimuth clearance guidance and 360 degree data coverage |
| 11/27/1985 | EP0162608A1 Multi-vehicle system involving on-board apparatus for acquisitioning data indicative of vehicle operation |