Patents
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)
11/1981
11/10/1981US4300219 Bowed elastomeric window
11/10/1981US4300139 Loran-C navigation apparatus
11/03/1981US4298874 Method and apparatus for tracking objects
11/03/1981CA1111957A1 Method of and apparatus for unambiguous radio navigation
11/03/1981CA1111955A1 Search radar
10/1981
10/21/1981EP0038151A1 Remote object position and orientation locator
10/14/1981EP0037725A1 Apparatus for determining the position of a source of electromagnetic radiation relative to a remote object
09/1981
09/16/1981EP0035920A1 Frequency synthesizer and radio navigation system comprising such a synthesizer
09/09/1981EP0035441A1 Power feed for Doppler VOR radio navigation system and its use
09/03/1981WO1981002442A1 Riser angle positioning system and process
09/02/1981EP0034974A1 Monitor for Doppler VOR radionavigation system, and Doppler VOR system comprising it
07/1981
07/28/1981CA1106045A1 Radio navigation with separate correlated scans to avoid reflection interference
07/28/1981CA1106044A1 Scanning beam radio navigation method and apparatus
07/09/1981WO1981001930A1 Interfering-wave elimination device
07/07/1981US4277170 Laser beacon and optical detector system for aircraft collision hazard determination
06/1981
06/30/1981US4276552 Automatic synchronization for receivers of a navigational system
06/30/1981CA1104250A1 Method for controlling an antenna of an earth station for telecommunication via satellites
06/02/1981CA1102432A1 Controlled beam projector
06/02/1981CA1102428A1 Object position and surface determining methods and apparatus
05/1981
05/19/1981US4268832 Multipath discriminating antenna system
05/19/1981US4268830 Self calibration of a LORAN-C navigation receiver
05/19/1981CA1101541A2 Electronically scanned antenna
04/1981
04/30/1981WO1981001195A1 Method and apparatus for determining position
03/1981
03/10/1981CA1097420A1 Monitor for two frequency localizer guidance system
02/1981
02/24/1981US4253166 Target location systems
02/03/1981US4249158 Aircraft take-off and landing system and method for using same
02/03/1981CA1095165A1 Electronically scanned antenna
02/03/1981CA1095153A1 Helical vertical path control for aircraft area navigation system
01/1981
01/27/1981US4247857 Method for controlling an antenna of an earth station for telecommunication via satellites
01/27/1981CA1094669A1 Aircraft take-off and landing system and method for using same
12/1980
12/30/1980CA1092691A1 Vor phase monitoring system
12/16/1980US4240079 System for locating mobile objects in distress
12/09/1980CA1091311A1 Power-dividing and modulating arrangement
12/02/1980US4237555 Automatic modulation system
11/1980
11/11/1980US4232839 Method and system for controlling the decelerated approach of an aerodyne
11/04/1980US4232316 Aircraft landing-guiding apparatus
10/1980
10/07/1980US4227261 Transmission of information by sweeping fan-shaped beams
09/1980
09/30/1980US4225966 Power area collocation of transmitters
09/23/1980US4224623 Loran-C cycle detector
09/16/1980US4223400 Low-frequency directional hydrophone
09/02/1980US4220040 Method and system for transmission and receipt of measuring ultrasonic wave
08/1980
08/26/1980US4219888 Surface acoustic signal defader
08/26/1980CA1084613A1 Steered lateral course transition control for aircraft area navigation systems
08/26/1980CA1084612A1 Signal conditioning circuit
08/07/1980WO1980001611A1 Loran c-navigation receiver
08/06/1980EP0013706A1 System for automatically monitoring the charging state of the mains independent power supply and the humidity in the responder of a vehicle location system
07/1980
07/29/1980US4215428 Time ratio controlled inverter
07/29/1980US4215324 Spatial encoding of a laser beam by means of a Stark cell modulator
07/29/1980CA1082791A1 Harbor radio navigation system
07/23/1980EP0013524A2 Method for aiding piloting and landing of an aircraft
07/22/1980US4214245 Loran receiving apparatus
06/1980
06/24/1980US4209768 Aircraft take-off and landing system and method for using same
06/17/1980US4208736 Hydrophone having a plurality of directional outputs
06/11/1980EP0011664A1 Method of and apparatus for radio navigation
06/10/1980US4207570 Device for simulating bearing signals of the tacan type
06/10/1980CA1079385A2 Below glide slope advisory warning system for aircraft
06/03/1980CA1078955A1 Radio navigation antenna system
05/1980
05/27/1980CA1078498A1 Microwave radiation method and apparatus with a combined diffraction edge and radiation screen
05/14/1980EP0010568A1 Method and apparatus for camouflaging a metallic object prevent radiometer locating by adapting its own radiation to the ambiant radiation
05/13/1980US4203089 Electro-hydroacoustic transducer
04/1980
04/29/1980CA1076687A1 Below glide slope advisory warning system for aircraft
04/16/1980EP0009899A1 A projector for projecting electromagnetic control signals
04/15/1980CA1075806A1 Synthesis of continuously scanned beam signal from fixed beam components
04/08/1980US4197543 Display processor for aircraft landing system
04/08/1980US4197542 Radio navigation system
04/08/1980US4197522 Low frequency pressure responsive
04/08/1980US4197270 Process for bonding with polyethylene encapsulant
04/03/1980WO1980000630A1 Installation for transmitting alarm signals
04/01/1980US4196346 Laser guided blind landing system for aircraft
04/01/1980US4195799 System for guiding flying vehicles with light beam
03/1980
03/25/1980US4195361 Variable frequency acoustic filter
03/25/1980US4195300 Device for simulating the locating signals of an ILS beacon
03/25/1980US4195299 Loran-C system monitor circuit
03/25/1980US4195280 Tuned electrolytic detector
03/11/1980US4193130 Fiber optic hydrophone for use as an underwater electroacoustic standard
03/11/1980US4193075 Low angle elevation guidance system
03/04/1980CA1073085A1 Missile guiding
02/1980
02/26/1980CA1072658A1 Omega-vor/dme positional data computer for aircraft
02/12/1980US4188609 Low frequency hydrophone
02/06/1980EP0007790A1 Driverless vehicle carrying non-directional detectors auto-guided by light signals
02/06/1980EP0007789A2 Driverless vehicle carrying directional detectors auto-guided by light signals
02/06/1980EP0007613A2 Apparatus for spatially encoding a laser beam, comprising a Stark cell modulator
02/05/1980US4187556 Electro-acoustic transducer with line focus
02/05/1980US4186899 Controlled beam projector
01/1980
01/29/1980US4186399 Goniometer circuit for VOR system
01/29/1980US4186396 Radar beacon apparatus
01/29/1980CA1070803A1 Glide slope warning system with a variable warning rate
01/15/1980US4184158 Time shared operation of navigational unit
01/15/1980US4184157 Identification tone reconstitution in a time shared navigational receiver
01/15/1980US4184156 Doppler radar device for measuring speed of moving objects
01/09/1980EP0006804A1 Precision decoder for the first pulse of a pair of pulses
12/1979
12/11/1979US4178631 Digital phase detector and method
12/11/1979US4178581 Integrated antenna aperture
12/11/1979US4178505 Device for determining the direction towards a remote object
12/04/1979US4176814 Terminally corrected projectile
11/1979
11/13/1979CA1066404A1 Monitor for localizer antenna arrays
10/1979
10/31/1979EP0004969A1 Device for automatically monitoring the state of charge of line-independent current sources
10/16/1979CA1064593A1 Operating condition data communication system
09/1979
09/11/1979US4167739 Instrument landing system glidepath antenna array and drive therefor
09/11/1979CA1062375A1 Operating condition data system