| Patents for G01S 3 - Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received (11,105) |
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| 06/02/1988 | WO1988004033A1 Shadow casting radiation detector |
| 06/02/1988 | WO1988004016A1 Self-positioning carrier with wind safety device for solar panels |
| 06/01/1988 | EP0269283A1 Position sensing apparatus |
| 06/01/1988 | EP0269142A1 An apparatus for determining the path of a pulsed light beam |
| 05/26/1988 | DE3733764A1 Device for measuring electromagnetic radiation |
| 05/26/1988 | DE3639643A1 Interferometer direction-finding arrangement |
| 05/17/1988 | US4744416 Directional acoustic logger apparatus and method |
| 05/17/1988 | CA1236916A1 Method of automatically tracking satellite by receiving antenna |
| 05/11/1988 | EP0267086A1 Spacecraft with an antenna earth pointing device |
| 05/10/1988 | US4743114 Fabry-Perot scanning and nutating imaging coherent radiometer |
| 05/05/1988 | DE3639444A1 Rapid signal detection, direction finding and locating device |
| 05/04/1988 | EP0265542A1 Optical navigation system |
| 05/03/1988 | US4742356 Method and apparatus for determining remote object orientation and position |
| 04/26/1988 | US4740682 Optical tracking, focusing, and information receiving device including a pyramidal light splitter |
| 04/26/1988 | US4740681 Star sensor for attitude detection of a spinning satellite |
| 04/26/1988 | US4740680 Star sensor arrangement for a rotating satellite having two fields of view |
| 04/26/1988 | US4740677 Axis separator electronic translator |
| 04/26/1988 | CA1235798A1 Apparatus for maintaining the orientation of an antenna system with respect to a beacon |
| 04/21/1988 | DE3636630C1 Single channel radio direction finder |
| 04/20/1988 | EP0264320A1 Deployable cylindrical sonar array |
| 04/14/1988 | DE3639057C1 Two-channel radio direction finder |
| 04/12/1988 | US4737794 Method and apparatus for determining remote object orientation and position |
| 04/07/1988 | WO1988002535A1 Cylindrical deployable sonar |
| 04/07/1988 | DE3631587A1 Method for calibrating multi-channel direction finders |
| 04/05/1988 | US4736199 Method of selectively displaying data |
| 04/05/1988 | US4735507 Imaging coherent radiometer |
| 04/05/1988 | CA1234910A1 Antenna tracking device |
| 03/31/1988 | DE3632114A1 Method for error-free determination of direction-finding angles in accordance with the Watson-Watt principle, by means of circular arrays of directional antennas |
| 03/31/1988 | DE3631586A1 Method for calibrating multi-channel direction finders |
| 03/29/1988 | US4734702 Passive ranging method and apparatus |
| 03/29/1988 | US4734701 Null processing receiver apparatus and method |
| 03/22/1988 | US4733379 Line array transducer assembly |
| 03/22/1988 | US4733242 Submarine detection system |
| 03/15/1988 | US4730602 Apparatus for automatically directing solar radiation focused by a reflector |
| 03/08/1988 | US4730282 Locating signal sources under suppression of noise |
| 03/02/1988 | EP0258072A1 Direction finding method and device using doppler frequency modulation |
| 03/02/1988 | EP0257305A2 Circuit arrangement for a position-sensitive radiation detector |
| 03/01/1988 | US4728959 Determining the position of a mobile radio transmitter station |
| 03/01/1988 | US4728958 Coherent electromagnetic energy emitter locator |
| 03/01/1988 | US4728795 Optical target detection systems |
| 02/24/1988 | EP0256300A2 Imaging coherent radiometer |
| 02/11/1988 | WO1988001061A1 Direction finding localization system |
| 02/11/1988 | WO1988001041A1 Rosette scanning surveillance sensor |
| 02/09/1988 | US4724442 Method and apparatus for loop direction finding with no ambiguity |
| 02/09/1988 | US4724313 Dual resolution sensor for signal tracking and the like |
| 01/28/1988 | WO1988000757A1 Correlated sampling amplifier |
| 01/26/1988 | US4721852 For indicating hostile infrared-sighting radiation |
| 01/21/1988 | DE3624528A1 Antenna arrangement |
| 01/13/1988 | EP0252807A1 Installation for detection and spatial localization of lightning discharges by interferometric measurement, in real time and at long distance |
| 01/13/1988 | EP0252496A2 Fabry-Perot scanning and nutating imaging coherent radiometer |
| 01/12/1988 | US4719584 Dual mode video tracker |
| 01/12/1988 | US4719469 Direction-determining system |
| 01/12/1988 | US4719343 Phase retarding laser radiation detection system |
| 01/07/1988 | DE3622039A1 Method for automatic direction-finding angle determination by histogram evaluation |
| 01/05/1988 | USH412 Coordinate position detector |
| 01/05/1988 | US4718028 Extremely high speed, real-time background filter for radiation detectors |
| 01/05/1988 | US4717830 Correlated sampling amplifier |
| 01/05/1988 | US4717822 Rosette scanning surveillance sensor |
| 12/29/1987 | US4716574 Wirelessly functioning signal transmission system |
| 12/23/1987 | EP0249666A2 Satellite camera image navigation |
| 12/22/1987 | CA1230666A1 Acoustic direction identification system |
| 12/17/1987 | WO1987005177A3 Extremely high speed, real-time background filter for radiation detectors |
| 12/16/1987 | EP0249292A2 Radio direction-finding using time of arrival measurements |
| 12/16/1987 | EP0248842A1 Optical angle of arrival measuring system |
| 12/15/1987 | US4713533 Concentric detector array and associated hybrid signal processing for coarse and fine electro-optical tracking |
| 12/15/1987 | CA1230405A1 Sonobuoy multiple depth deployment apparatus |
| 12/08/1987 | US4711998 Direction finder system with mirror array |
| 12/08/1987 | US4711413 Target tracking arrangement |
| 12/02/1987 | EP0247370A2 Method and apparatus for loop direction finding with no ambiguity |
| 12/01/1987 | US4710641 Proportional drive servo controller with arrayed position detector |
| 12/01/1987 | US4710619 Apparatus for generating a signal providing information regarding a radiating source, especially an infrared source |
| 12/01/1987 | US4710618 Airborne tracking sunphotometer apparatus and system |
| 12/01/1987 | US4710028 System for locating a body in motion |
| 11/25/1987 | EP0247014A2 Position sensing system for a moving object |
| 11/25/1987 | EP0246635A2 Tracking controller for three-axis mount antenna systems |
| 11/24/1987 | US4709238 Sequential mono-lobe tracker |
| 11/24/1987 | CA1229675A1 Device for determining the position of the cutting head of a drift advancing machine or of a winning machine |
| 11/19/1987 | WO1987007009A1 Position locating system for a vehicle |
| 11/19/1987 | EP0245842A1 Pyrodetector, especially suited for motion and direction-selective detection |
| 11/10/1987 | US4706093 Monopulse tracking system substantially free of externally generated noise |
| 11/10/1987 | US4705946 Infrared sensor comprising improved feedback limited amplifier and associated method for amplifying electronic signals |
| 11/05/1987 | DE3614466A1 Control system for a construction machine |
| 11/03/1987 | USH374 Optimum multiple target detection and resolution |
| 11/03/1987 | US4704611 Electronic tracking system for microwave antennas |
| 10/27/1987 | US4703459 Directional acoustic logger apparatus and method |
| 10/27/1987 | US4703179 Sensor for hemispherical applications |
| 10/27/1987 | US4703167 Star scanner with semiconductor photosensitive elements having reticles |
| 10/21/1987 | EP0241992A2 Radio Direction-finding |
| 10/20/1987 | US4701762 Three-dimensional electromagnetic surveillance system and method |
| 10/14/1987 | EP0241374A1 Optronic off-bore sight system for the spatial and spectral discrimination of infrared light sources |
| 10/14/1987 | EP0108094B1 Radiogoniometric device |
| 10/13/1987 | US4700193 Cross-polarized antenna |
| 09/24/1987 | WO1987005705A1 Null processing receiver apparatus and method |
| 09/24/1987 | DE3621755C1 Method for extraction of a point target from a video signal, and a circuit arrangement for carrying out the method |
| 09/23/1987 | EP0237616A2 Line array transducer assembly |
| 09/16/1987 | EP0237223A1 Passive ranging method and apparatus |
| 09/16/1987 | EP0237110A1 Direction-finding antenna system |
| 09/15/1987 | US4694435 For receiving acoustic waves in water ar different depth levels |
| 09/15/1987 | US4694299 Portable radar simulator with adjustable side lobe generator |
| 09/15/1987 | US4693598 Opto-electronic measuring receiver and method for controlling the opto-electronic measuring receiver |