| 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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| 01/26/1988 | US4720907 Identification system |
| 01/20/1988 | EP0253368A1 System for identifying particular objects |
| 01/19/1988 | US4720711 Agile-beam track-while-scan radar system |
| 01/14/1988 | WO1988000379A1 Anticollision system for maritime navigation |
| 01/14/1988 | WO1988000355A1 Multiple range interval clutter cancellation circuit |
| 01/13/1988 | EP0252089A1 A method of calibrating and equalizing a multi-chanel automatic gain control amplifier. |
| 01/13/1988 | EP0252075A1 System for detection of objects with given, known characteristics against a background. |
| 01/12/1988 | US4719606 Process and device for passive detection of aircraft, namely helicopters |
| 01/12/1988 | US4719468 Radar system with reduced distance error |
| 01/12/1988 | US4719467 Doppler imaging of targets |
| 01/12/1988 | US4719466 Adaptive radar signal processor for the detection of useful echo and the cancellation of clutter |
| 01/12/1988 | US4719465 Monopulse radar equipment |
| 01/12/1988 | US4719464 Angular scintillation reduction device in a radar and a radar containing such a device |
| 01/12/1988 | US4719463 Microwave receiver making deviation measurements more especially in combination with a secondary airborne radar and a secondary radar containing it |
| 01/07/1988 | EP0251855A1 Method and apparatus for slant range correction in a short-range radar |
| 01/07/1988 | EP0251498A2 Radar |
| 01/07/1988 | EP0251387A1 Radar apparatus for measuring the distance to a surface |
| 01/06/1988 | CN85100144B Digital monopulse automatic frequency adjusting system with microwave phaseshift discriminator |
| 01/05/1988 | US4718028 Extremely high speed, real-time background filter for radiation detectors |
| 01/05/1988 | US4717917 Alien radar suppression circuit |
| 01/05/1988 | US4717916 Process of locating and distinguishing targets |
| 01/05/1988 | US4717915 Method and apparatus for the graphic registration of moving vehicles |
| 12/29/1987 | US4716414 Super resolution imaging system |
| 12/29/1987 | US4716298 System for automatically detecting presence or absence of a preceding vehicle and method therefor |
| 12/22/1987 | US4714928 Radar altimeter static accuracy circuit |
| 12/22/1987 | US4714927 Pulse doppler radar with variable pulse repetition rate |
| 12/17/1987 | WO1987005177A3 Extremely high speed, real-time background filter for radiation detectors |
| 12/17/1987 | DE3620734C1 Synthetic aperture radar |
| 12/16/1987 | EP0249493A2 Aircraft collision warning system |
| 12/15/1987 | US4713669 Binaural doppler collision alert system for general aviation aircraft |
| 12/15/1987 | US4713667 Target support apparatus |
| 12/15/1987 | US4713666 Method of processing the sum and difference signals of a radar of the monopulse type for estimating the parasite phase introduced between these signals by the ultrahigh frequency formation circuits of the sum and difference channels |
| 12/15/1987 | US4713665 Ground speed sensor |
| 12/15/1987 | US4713664 Point clutter threshold determination for radar systems |
| 12/12/1987 | CN86208466U Circular waveguide microwave sensor with adjustable mixer |
| 12/08/1987 | US4712108 Method and apparatus for detecting microbursts |
| 12/08/1987 | US4712094 Self-orienting passive marker structure |
| 12/05/1987 | CN86208467U Microstrip type microwave sensor |
| 12/03/1987 | DE3717109A1 Arrangement for identifying moving objects |
| 12/02/1987 | EP0247981A2 Arrangement in a proximity fuse |
| 12/02/1987 | EP0247949A1 Method and system for locating and correcting the orientation of an autonomous mobile object and of a non-autonomous mobile object |
| 12/02/1987 | EP0247854A2 Passive marker structure |
| 12/02/1987 | EP0247612A2 Microwave data transmission apparatus |
| 12/02/1987 | EP0247375A2 Method for locating an under water target |
| 12/01/1987 | US4710774 Aircraft collision avoidance system |
| 12/01/1987 | US4710772 Log magnitude pulse interference detection for a radar system |
| 11/25/1987 | EP0246960A1 Method for proximity locating the presence of a vector such as an object, animal, person, stationary or mobile, in particular a vehicle, and location system therefor |
| 11/24/1987 | US4709237 Device for eliminating low frequency noise from a transmission system, in particular 1/f noise in a homodyne radar receiver |
| 11/24/1987 | US4709236 Selectable doppler filter for radar systems |
| 11/24/1987 | US4709194 Method of controlling the mode of driving electric vehicles |
| 11/19/1987 | WO1987007109A1 Interactive television and data transmission system |
| 11/19/1987 | WO1987007032A1 High resolution imaging doppler interferometer |
| 11/19/1987 | EP0245555A1 Method of and system and apparatus for locating and/or tracking stolen or missing vehicles and the like |
| 11/17/1987 | US4707698 Coordinate measurement and radar device using image scanner |
| 11/17/1987 | US4707697 High resolution noncoherent radar imager |
| 11/12/1987 | DE3615502A1 Decoupling arrangement for continuous-wave radars |
| 11/11/1987 | EP0244447A1 Warning system for rear end vehicle collisions |
| 11/10/1987 | US4706092 Arrangement for measuring velocity with respect to a surface |
| 11/10/1987 | US4706090 Ship collision preventive aid apparatus |
| 11/10/1987 | US4706089 Synthetic aperture radar focusing |
| 11/10/1987 | US4706088 Synthetic aperture radar focusing |
| 11/10/1987 | US4706031 Method and system for detecting an object with a radio wave |
| 11/04/1987 | EP0243941A2 Method for the determination of the distance to an object, and circuit therefor |
| 11/03/1987 | US4704737 Compressive receiver having pulse width expansion |
| 11/03/1987 | US4704613 Radar ranging system |
| 11/03/1987 | CA1228912A1 Surface acoustic wave passive transponder having amplitude and phase-modifying surface pads |
| 11/03/1987 | CA1228911A1 Surface acoustic wave passive transponder having acoustic reflectors |
| 10/28/1987 | EP0242983A2 Transponder based positioning system |
| 10/28/1987 | EP0242522A1 Device for measuring the position, the orientation and/or the positional and orientational change of a rigid object in space |
| 10/28/1987 | CN87102569A Radar system for obtaining stereo image |
| 10/27/1987 | US4703444 Systems for determining distances to and locations of features on a golf course |
| 10/27/1987 | US4703429 System and method for controlling a vehicle speed of an automotive vehicle |
| 10/27/1987 | US4703327 Interrogator/receiver system for use with a remote transponder |
| 10/27/1987 | CA1228658A1 Method and apparatus for measuring the distance to an object |
| 10/22/1987 | WO1987006335A1 Passive radio altimeter |
| 10/21/1987 | CN87202020U Microwave velocity-measuring radar device |
| 10/13/1987 | US4700306 System for the visualization of the movements of marine vessels by television display |
| 10/13/1987 | CA1228144A1 Radar velocity sensor |
| 10/13/1987 | CA1228135A1 Resonant tag circuits useful in electronic security systems |
| 10/07/1987 | EP0240449A2 Method and system for orbiting stereo imaging radar |
| 10/07/1987 | EP0240201A2 Method and apparatus for combining waveforms |
| 10/07/1987 | EP0239614A1 Compressive receiver having pulse width expansion |
| 10/06/1987 | US4698827 Generalized polyphase code pulse compressor |
| 10/06/1987 | US4698781 Systems for determining distances to and locations of features on a golf course |
| 10/06/1987 | US4698638 Dual mode target seeking system |
| 10/06/1987 | US4698636 Ground speed determining radar system |
| 10/06/1987 | US4698635 Radar guidance system |
| 10/06/1987 | US4698634 Subsurface inspection radar |
| 10/06/1987 | US4698633 Antennas for wide bandwidth signals |
| 10/06/1987 | US4698631 Surface acoustic wave pipe identification system |
| 09/30/1987 | EP0239156A1 System for determining the angular spin position of an object spinning about an axis |
| 09/30/1987 | EP0239022A2 Extended sar imaging capability for ship classification |
| 09/29/1987 | US4697186 Velocity discrimination radar |
| 09/29/1987 | US4697184 Intrusion detection radar system with amplitude and frequency carrier modulation to eliminate targets at short and long ranges |
| 09/29/1987 | US4696568 Method of and apparatus for measuring the velocity and/or the length of moving objects |
| 09/23/1987 | EP0238306A1 Stabilising air to ground radar |
| 09/22/1987 | US4695842 Aircraft radar arrangement |
| 09/22/1987 | US4695752 Narrow range gate baseband receiver |
| 09/16/1987 | EP0237404A1 Method of processing sum and difference signals in a monopulse radar for estimating the parasitic phase between these signals caused by the HF circuits forming sum and difference channels |
| 09/16/1987 | EP0237110A1 Direction-finding antenna system |