| 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) |
|---|
| 05/06/1981 | EP0028182A1 Frequency modulated airborne radar and its use in a homing missile |
| 05/05/1981 | US4266279 Memory system for a Doppler radar incorporating a fast Fourier transform computer |
| 04/28/1981 | US4264907 Rolling dual mode missile |
| 04/28/1981 | US4264440 Washbox with conveyor discharge |
| 04/24/1981 | EP0020712A4 Radar system with a multiplicity of antenna beams for elevation coverage. |
| 04/21/1981 | US4263600 Wide-band, phase scanned antenna |
| 04/21/1981 | US4263596 Reference station for a distance-measuring system |
| 04/21/1981 | US4263595 Apparatus for identifying objects and persons |
| 04/21/1981 | US4263521 Differential sample and hold circuit |
| 04/15/1981 | EP0027081A1 DME distance measuring equipment |
| 04/08/1981 | EP0026548A1 An object control system |
| 04/07/1981 | US4260990 Asymmetrical antennas for use in electronic security systems |
| 04/07/1981 | CA1099005A1 Radar transmitter temporal noise reduction system |
| 04/07/1981 | CA1099004A1 Radar altimeter for tropical areas |
| 04/07/1981 | CA1099003A1 Two dimensional mips |
| 04/07/1981 | CA1098989A1 Detection plate for an identification system |
| 04/02/1981 | WO1981000927A1 An object control system |
| 04/01/1981 | EP0026134A1 Device for increasing the angular resolution of an airborne Doppler radar |
| 04/01/1981 | EP0025816A2 Arrangement for the automatic identification of objects and/or living beings |
| 03/31/1981 | US4259743 Transmit/receive microwave circuit |
| 03/31/1981 | US4259650 Sidelobe rejection filter |
| 03/25/1981 | EP0025739A1 Primary and secondary radar aerial |
| 03/24/1981 | US4258362 Phase coherent tracker of an arbitrary number of signals |
| 03/24/1981 | CA1098200A1 Radar beacon apparatus |
| 03/18/1981 | EP0025264A1 Improvements in or relating to secondary surveillance radar |
| 03/18/1981 | EP0025086A2 Method and arrangement for measuring pulse separation of periodic pulse pairs |
| 03/17/1981 | US4257108 Pulse generator |
| 03/17/1981 | US4256275 Homing system and technique for guiding a missile towards a metal target |
| 03/11/1981 | EP0024430A1 Vehicular anti-collision system. |
| 03/03/1981 | US4254418 Collision avoidance system using short pulse signal reflectometry |
| 02/24/1981 | US4253166 Target location systems |
| 02/24/1981 | US4253098 Radar systems |
| 02/11/1981 | EP0023811A1 Doppler radar system |
| 02/11/1981 | EP0023625A2 Alarm system for intrusion detection of an object moving in the proximity of an object to be protected |
| 02/10/1981 | US4250505 Independent landing monitor |
| 02/04/1981 | EP0023458A1 Coherent pulsed Doppler radar using frequency agility |
| 02/04/1981 | EP0023365A2 Doppler-type projectile velocity measurement apparatus and method |
| 02/03/1981 | US4249178 Apparatus for eliminating blind velocities in MTI radars |
| 02/03/1981 | US4249176 Following distance measuring communication system |
| 02/03/1981 | US4249174 Aircraft weather radar system |
| 02/03/1981 | US4248702 Stratifier discharge control |
| 02/03/1981 | US4248085 Measurement of relative velocities |
| 01/28/1981 | EP0022783A1 Radar installation |
| 01/27/1981 | US4247858 Antennas for use with optical and high-frequency radiation |
| 01/20/1981 | US4246580 Image processing for bistatic image radar |
| 01/20/1981 | CA1094208A1 Signal processor |
| 01/20/1981 | CA1094207A1 Method and apparatus for identifying mobile ojects |
| 01/14/1981 | EP0022410A1 Probing device for the detection and measurement of phenomena relative to the terrestrial globe environment |
| 01/13/1981 | US4245354 Radio frequency regenerators |
| 01/13/1981 | US4245326 Impulse autocorrelation function code generator |
| 01/13/1981 | US4245220 Target location systems |
| 01/13/1981 | US4245191 Method and apparatus for detecting and measuring inclusions in subsoil |
| 01/08/1981 | WO1981000022A1 Ppi display for radar and synthetic symbology |
| 01/07/1981 | EP0021929A1 Distance acquisition device in a radar system |
| 01/07/1981 | EP0021872A1 High frequency circuit block for simultaneously transmitting and receiving, transmitter-receiver for millimeter waves and radar using such a circuit block |
| 01/07/1981 | EP0021866A1 Device for reducing jamming signals with a rotating linear polarization and use thereof in a radar |
| 01/07/1981 | EP0021862A1 Device for transmitting radio communication signals in a secondary radar system |
| 01/07/1981 | EP0021251A1 Pillbox-radar antenna with integrated IFF antenna |
| 01/07/1981 | EP0021193A1 Combined antenna system |
| 01/07/1981 | EP0020712A1 Radar system with a multiplicity of antenna beams for elevation coverage. |
| 01/06/1981 | US4244036 Electronic stabilization for displaced phase center systems |
| 01/06/1981 | US4244026 Velocity measuring correlation sonar |
| 01/06/1981 | US4243991 Antenna feed for scan-with-compensation tracking |
| 01/06/1981 | US4243988 Means for improving angular resolution of incoherent pulse radar systems |
| 01/06/1981 | US4243980 Antenna system for electronic security installations |
| 01/06/1981 | US4243979 Burglar alarm security circuit arrangement |
| 12/30/1980 | US4242683 Signal processor |
| 12/30/1980 | US4242682 Moving target indication radar |
| 12/30/1980 | US4242671 Transponders |
| 12/30/1980 | US4242661 Device for registration of objects |
| 12/30/1980 | CA1092688A1 Augmented perspective radar display |
| 12/23/1980 | US4241348 Radar equipment for vehicles |
| 12/23/1980 | US4241347 PRC/FM CW Radar system |
| 12/23/1980 | US4241346 Pulse radar altimeters |
| 12/23/1980 | US4241310 Delay line digital code detector |
| 12/23/1980 | CA1092220A1 Process and installation for the remote control of a premises watch radar apparatus |
| 12/11/1980 | WO1980002764A1 Process for the surveyance of premises by means of directional pulse waves and installation for carrying out such process |
| 12/11/1980 | WO1980002743A1 Process and device for the detection and prevention of collision risks in deep sea and costal navigation |
| 12/10/1980 | EP0020269A1 Device for detecting and avoiding collision risks in deep-sea and coastal navigation |
| 12/10/1980 | EP0020197A1 Device for eliminating echoes of fixed or slowly moving targets in connection with airborne radar equipment |
| 12/10/1980 | EP0020115A1 Distance measuring system employing secondary radar |
| 12/10/1980 | EP0020104A1 Improvements in or relating to secondary surveillance radar |
| 12/10/1980 | EP0020062A1 Method and surveillance system for detecting the presence of an e.m. wave receptor reradiator |
| 12/09/1980 | US4238795 Microwave range measuring system for measuring the distance of an object |
| 12/09/1980 | US4238746 Adaptive line enhancer |
| 12/09/1980 | CA1091311A1 Power-dividing and modulating arrangement |
| 12/02/1980 | US4237461 High-speed digital pulse compressor |
| 11/27/1980 | WO1980002601A1 Cw phase-comparison secondary radar system |
| 11/25/1980 | US4236157 Target detection device |
| 11/25/1980 | US4236140 Traffic radar device |
| 11/25/1980 | US4235403 Speed control apparatus and method for railroad car retarders |
| 11/25/1980 | CA1090452A1 Radar, in particular for watching over premises |
| 11/18/1980 | US4234882 Method and apparatus for measurement of the contents of a bunker or silo |
| 11/18/1980 | US4234881 Dynamic digital time interval discriminator and method |
| 11/18/1980 | US4234880 Adaptive method and a radar receiver for suppression of disturbing portions of the Doppler spectrum |
| 11/18/1980 | CA1089960A1 Tracking of radar signals |
| 11/18/1980 | CA1089959A1 Channeling method and apparatus |
| 11/18/1980 | CA1089958A1 Channel encoding for distance measurement equipment |
| 11/12/1980 | EP0018878A1 Airborne IFF system having a radar and an interrogation antenna |
| 11/04/1980 | US4232315 Range detector |