| Patents for G01S 13 - Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified (37,701) |
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| 09/16/1987 | EP0236331A1 Methods of detection and identification of one or more remote objects. |
| 09/15/1987 | US4694300 Apparatus for providing constant azimuth cells in an airborne radar |
| 09/15/1987 | US4694298 Adaptive, fault-tolerant narrowband filterbank |
| 09/15/1987 | US4694297 Remote identification device |
| 09/15/1987 | US4694200 Device for detecting a pulse train in noise and application to a radionavigation aid system of DME type |
| 09/09/1987 | EP0235946A1 Target recognition |
| 09/09/1987 | EP0235932A1 Dual mode radar system |
| 09/08/1987 | US4692766 Linearizer frequency discriminator for frequency modulated radar transmitters |
| 09/08/1987 | US4692765 Adaptive learning controller for synthetic aperture radar |
| 09/08/1987 | US4692764 Automatic range finder and remote controller braking system |
| 09/08/1987 | US4692763 Binaural Doppler radar target detector |
| 09/08/1987 | US4691616 Fire control system for a gun |
| 09/08/1987 | CA1226654A1 Radar echos discriminating device |
| 09/02/1987 | EP0234959A1 Localization method and system for a moving vehicle on a railway network |
| 09/02/1987 | EP0234479A2 Radar tank gauge |
| 09/02/1987 | EP0234391A2 Device for the evaluation of azimuth within radar systems, in particular for secondary radar systems with a single receiving channel |
| 09/02/1987 | EP0233982A2 2-D pulse doppler radar |
| 09/01/1987 | US4691204 Radar apparatus |
| 09/01/1987 | US4691202 Identification systems |
| 09/01/1987 | CA1226329A1 Microwave electromagnetic borehole dipmeter |
| 08/27/1987 | WO1987005177A2 Extremely high speed, real-time background filter for radiation detectors |
| 08/25/1987 | US4689624 Vehicle speedometer |
| 08/25/1987 | US4689623 Secondary surveillance radar system |
| 08/25/1987 | CA1226057A1 Imaging doppler interferometer |
| 08/24/1987 | EP0172833A4 Time and accounting system. |
| 08/19/1987 | EP0232307A1 Position indicator beacon and deployment means. |
| 08/19/1987 | EP0116084B1 Low noise microwave frequency synthesizer |
| 08/18/1987 | US4688044 Multiple range interval clutter cancellation circuit |
| 08/18/1987 | US4688043 High resolution radar system |
| 08/18/1987 | US4688042 Short pulse receiver with anti-jam capability |
| 08/18/1987 | US4688041 Baseband detector with anti-jam capability |
| 08/18/1987 | CA1225725A1 Pulse radar apparatus whose transmitter is designed to generate similar transmitter pulses employing a plurality of pulse repetition periods |
| 08/13/1987 | WO1987004799A1 Measuring apparatus |
| 08/11/1987 | US4686532 Accurate location sonar and radar |
| 08/11/1987 | CA1225451A1 Remote identification device |
| 08/04/1987 | US4684950 Methods of and circuits for suppressing doppler radar clutter |
| 08/04/1987 | US4684949 VHF/radar transponder collision avoidance aid |
| 08/04/1987 | US4684948 Ground proximity warning system having modified terrain closure rate warning on glide slope approach |
| 08/04/1987 | US4684929 Microwave/seismic security system |
| 07/29/1987 | EP0229806A1 Multibeam surveillance radar |
| 07/29/1987 | EP0229772A1 A method of motion compensation in synthetic aperture radar target imaging and a system for performing the method. |
| 07/28/1987 | US4683474 Survivable ground base sensor |
| 07/22/1987 | EP0229424A2 Time-domain induced polarization logging method and apparatus |
| 07/21/1987 | US4682175 Frequency modulated continuous wave radar and application thereof to a altimetric probe |
| 07/21/1987 | US4682174 Moving target indicator using a surface acoustic wave device |
| 07/21/1987 | US4682173 Radar responder |
| 07/21/1987 | US4682153 Fail-safe sensor system |
| 07/16/1987 | WO1987004256A1 System for detection of objects with given, known characteristics against a background |
| 07/16/1987 | WO1987004255A1 System for preventing erroneous alarm in apparatus for preventing collision of aircraft |
| 07/16/1987 | WO1987004127A1 Method and system for localising a moving body circulating on a railway track |
| 07/16/1987 | DE3600827A1 Radar method for detecting helicopters |
| 07/15/1987 | EP0228925A1 Automatic missile guidance system and missile provided with such a system |
| 07/14/1987 | US4680722 Arrangement for determining the starting instant of the leading edge of a high-frequency pulse |
| 07/14/1987 | US4680588 Radar system with incremental automatic gain control |
| 07/14/1987 | US4680587 Instrument landing system |
| 07/09/1987 | EP0215940A4 Imaging doppler interferometer. |
| 07/09/1987 | DE3600307A1 Trolley for transporting shopping or luggage |
| 07/08/1987 | EP0227910A2 Beam forming network for a butler matrix fed circular array |
| 07/07/1987 | US4679210 Soft-limited digital pulse compressor |
| 07/07/1987 | US4679050 Pulse radar apparatus |
| 07/07/1987 | US4679048 Adaptive spread spectrum radar |
| 07/07/1987 | US4679047 Terminal-guidance or position-adjustment system for aircraft using distance and angle measurements |
| 07/07/1987 | US4679046 Transponder systems |
| 07/07/1987 | US4678969 Pseudo-raster weather display apparatus |
| 07/07/1987 | CA1223960A1 Simulator |
| 07/07/1987 | CA1223944A1 Pulse radar apparatus |
| 07/06/1987 | EP0215115A4 Aircraft terrain warning system with configuration modified warning and improved mode switching. |
| 07/01/1987 | EP0227614A2 Signal processor for synthetic aperture radars, particularly suitable for parallel computation |
| 07/01/1987 | EP0227457A2 Radar system |
| 06/30/1987 | US4677441 Two-way ranging system |
| 06/30/1987 | US4677439 Delay device and the use thereof in the decoding device of distance measuring equipment |
| 06/30/1987 | US4677438 Method and apparatus for detecting an object or a condition indicating a defect in a medium |
| 06/30/1987 | US4677392 Cascaded internal impedance dependent amplifier with accurate variable gain control |
| 06/24/1987 | EP0226548A2 Method for the in-line measurement of background noise for MTI radar with suppression of samples not originating from noise, and digital device embodying said method |
| 06/24/1987 | EP0226401A2 Pulse interference detection for a radar system |
| 06/23/1987 | US4675853 Method of improving the restoration of images supplied by a lateral sonar and a device for implementing same |
| 06/23/1987 | US4675822 Doppler-inertial data loop for navigation system |
| 06/23/1987 | US4675679 Digital scan converter |
| 06/23/1987 | US4675678 Method of landing aircraft aboard a carrier at sea |
| 06/23/1987 | US4675677 Method and system for detecting and combating covered ground targets |
| 06/23/1987 | US4675656 Out-of-range personnel monitor and alarm |
| 06/18/1987 | WO1987003755A1 Cascaded internal impedance dependent amplifier with accurate variable gain control |
| 06/18/1987 | WO1987003754A1 A method of calibrating and equalizing a multi-chanel automatic gain control amplifier |
| 06/18/1987 | WO1987003698A1 A method and apparatus for measuring distances |
| 06/18/1987 | WO1987003697A1 A method for measuring the distance and/or the relative velocity between two objects |
| 06/16/1987 | US4674104 Circuit arrangement for the regulation of a multichannel pulse compression system |
| 06/16/1987 | US4673941 For a radar or sonar transmitting and receiving unit |
| 06/16/1987 | US4673940 Detection of vibrating target signatures |
| 06/16/1987 | US4673938 Situation awareness mode |
| 06/16/1987 | US4673937 Automotive collision avoidance and/or air bag deployment radar |
| 06/16/1987 | US4673936 Rescue transmitter apparatus |
| 06/16/1987 | US4673935 Instrusion detection system |
| 06/16/1987 | US4673932 Rapid inventory data acquistion system |
| 06/16/1987 | US4673921 Apparatus for finding the location of a car within a vast area |
| 06/16/1987 | US4673183 Golf playing field with ball detecting radar units |
| 06/16/1987 | EP0225787A2 Radar system with automatic gain control |
| 06/11/1987 | DE3543577A1 Radar receiver with adaptive suppression of moving clutter |
| 06/10/1987 | CN86100585A Microwave block of doppler radar |
| 06/09/1987 | US4672638 Multipath canceller for cancelling a distortion caused to a radio frequency pulse by multipath transmission |
| 06/09/1987 | US4672567 Median filter for reducing data error in distance measuring equipment |