| 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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| 02/01/1989 | EP0301126A1 Microwave rendezvous system for aerial refueling |
| 02/01/1989 | EP0301089A1 Method and apparatus for detecting an out of beam condition in a monopulse radar receiver. |
| 01/31/1989 | US4802216 Interrogator and transponder test equipment |
| 01/31/1989 | US4802149 Acousto-optic two-dimensional coherent optical modulator |
| 01/31/1989 | US4801939 High-speed data compressor/decompressor for synthetic aperture radar |
| 01/25/1989 | CN1030647A Identification system for stock farms |
| 01/24/1989 | US4800388 Apparatus for measuring pulse compression ratio |
| 01/24/1989 | US4800386 Method of and apparatus for counting objects |
| 01/24/1989 | CA1249360A1 Radar system operating in two frequency bands |
| 01/24/1989 | CA1249359A1 Inventory monitoring systems, devices and methods |
| 01/19/1989 | DE3210400A1 Radar device radiating pulse-shaped signals |
| 01/18/1989 | EP0299557A1 Identification system for stock farms |
| 01/17/1989 | CA1249084A1 Pseudo-raster weather display apparatus |
| 01/17/1989 | CA1249033A1 Satellite-based position determination and message transfer system with monitoring of link quality |
| 01/12/1989 | WO1989000279A2 Analog-digital correlator |
| 01/11/1989 | EP0298112A1 Processing parameter generator for synthetic aperture radar. |
| 01/10/1989 | US4797844 Digital mixing apparatus which attenuates the sum frequency of the mixed signals |
| 01/10/1989 | US4797675 Procedure for counting moving objects as they stop |
| 01/10/1989 | US4797673 Driver alerting device |
| 01/10/1989 | US4797671 Motor vehicle locator system |
| 01/10/1989 | CA1248606A1 Transponder systems |
| 01/04/1989 | EP0297688A1 Electronic identification system |
| 01/03/1989 | US4796031 Radar system |
| 01/03/1989 | US4796030 Dual threshold amplitude detector |
| 01/03/1989 | CA1248206A1 Process for adapting the post integration in a switched pulse repetition frequency radar and a circuit implementing this process |
| 12/29/1988 | WO1988010434A1 Synthetic aperture radar |
| 12/28/1988 | EP0296838A2 Monolithic microwave transmitter/receiver |
| 12/28/1988 | CN87104232A High resolution imaging doppler interferometer |
| 12/28/1988 | CA1247724A Microwave reflection survey equipment and technique |
| 12/28/1988 | CA1247706A Movement monitor |
| 12/27/1988 | US4794343 Method and apparatus for calibrating and equalizing a multi-channel automatic gain control amplifier |
| 12/20/1988 | CA1247228A1 Ground speed sensor |
| 12/20/1988 | CA1247217A1 Radio synchronization method using dme stations for the stations of a landing guidance system or the mls type and devices for implementing said method |
| 12/20/1988 | CA1247216A1 Frequency modulation radioaltimeter |
| 12/20/1988 | CA1247215A1 Process for ambiguous distance, and pulse doppler radar |
| 12/13/1988 | US4791424 Doppler radar kinemometer |
| 12/13/1988 | US4791420 Radar detector/security device for automobiles |
| 12/13/1988 | CA1246723A1 Method and apparatus for monitoring ice masses |
| 12/13/1988 | CA1246722A1 Digital phase rotation of signals |
| 12/06/1988 | US4789865 Collision avoidance system |
| 12/06/1988 | US4789861 Method and apparatus for detecting an out of beam condition in a monopulse radar receiver |
| 12/06/1988 | US4788987 Apparatus for measuring the locational and attitudinal change of a rigid body in space |
| 12/06/1988 | US4788981 Pulse compression apparatus for ultrasonic image processing |
| 12/06/1988 | CA1246194A1 Pulse radar apparatus |
| 12/01/1988 | WO1988009537A1 A fast median filter |
| 12/01/1988 | WO1988009512A1 Airborne surveillance method and system |
| 12/01/1988 | DE3816462A1 Method for transmitting signals via a narrowband channel |
| 11/30/1988 | EP0292912A1 Device for radar with pulse-to-pulse frequency agility, utilized for the detection and recognition of multiple-time-around echoes |
| 11/30/1988 | EP0292556A1 Frequency domain, pulse compression radar apparatus for eliminating clutter. |
| 11/29/1988 | US4788553 Doppler radar velocity measurement apparatus |
| 11/29/1988 | US4788547 Static-split tracking radar systems |
| 11/29/1988 | CA1245753A1 Method and device for monitoring a mls station |
| 11/29/1988 | CA1245752A1 Passive radar responder |
| 11/29/1988 | CA1245750A1 Device for detecting a pulse train in a noisy background and application to a dme type radionavigation system |
| 11/23/1988 | EP0291919A2 Airborne radar device |
| 11/22/1988 | US4786907 Transponder useful in a system for identifying objects |
| 11/22/1988 | US4786906 Method of motion compensation in synthetic aperture radar target imaging and a system for performing the method |
| 11/22/1988 | US4786164 System and method for detecting intervehicle distance of two vehicles moving in the same traffic lane |
| 11/17/1988 | WO1988009027A1 Aircraft collision avoidance |
| 11/17/1988 | WO1988008988A1 Device for the display of a plurality of radar images |
| 11/17/1988 | EP0291337A2 Coherent pulse radar system |
| 11/15/1988 | CA1244951A1 Device for calculating a sliding discrete fourier transform and applications to a radar system |
| 11/15/1988 | CA1244919A1 Microwave reflection survey equipment and technique |
| 11/10/1988 | DE3713778A1 Anordnung und verfahren zur positionsbestimmung und kollisionsverhuetung Arrangement and method for position determination and kollisionsverhuetung |
| 11/10/1988 | DE3713777A1 Anordnung und verfahren zur kollisionsverhuetung Arrangement and method for kollisionsverhuetung |
| 11/09/1988 | EP0289623A1 Radar-type underground prospecting apparatus |
| 11/09/1988 | EP0289553A1 Monopulse antenna with improved sidelobe suppression. |
| 11/08/1988 | US4783839 Image filtering apparatus and method |
| 11/08/1988 | US4783753 System for reducing speckle noise |
| 11/08/1988 | US4783660 Signal source distortion compensator |
| 11/08/1988 | US4783621 Apparatus for evaluating the distance of an object |
| 11/03/1988 | WO1988008545A1 Target range sensing apparatus |
| 11/03/1988 | WO1988008544A1 Multi-mode microwave landing system |
| 11/03/1988 | DE3811727A1 Device for measuring the circumferential speed of a vehicle wheel |
| 11/02/1988 | EP0288578A1 Method of detecting object and apparatus therefor |
| 11/02/1988 | CN88103154A Dynamic imaging radar |
| 11/01/1988 | USH548 Group orthogonal arrays for elimination of multiple-time-around echos in radars |
| 11/01/1988 | US4782450 Method and apparatus for passive airborne collision avoidance and navigation |
| 11/01/1988 | US4782345 Transponder antenna |
| 11/01/1988 | US4782343 Device for eliminating fixed echoes in a radar |
| 10/26/1988 | EP0288232A2 Tracking apparatus |
| 10/26/1988 | EP0288035A2 SSB modulator |
| 10/26/1988 | EP0287979A2 Coherent radar altimeter system |
| 10/26/1988 | EP0287629A1 Signal source distortion compensator |
| 10/25/1988 | US4780719 Method of, and apparatus for, area and air space surveillance |
| 10/25/1988 | US4780718 Sar image encoding for data compression |
| 10/25/1988 | CA1243758A1 Two dimension radar system with selectable three dimension target data extraction |
| 10/25/1988 | CA1243757A1 Distance measurement method making use of electromagnetic wave and system therefor |
| 10/20/1988 | DE3714263A1 Arrangement for position-line or location determination of passive code or information carriers with respect to the identification device (identifying device) |
| 10/19/1988 | EP0287261A2 Method and apparatus fordetermining the position of a moving object |
| 10/19/1988 | EP0287175A1 System for the contactless exchange of data |
| 10/19/1988 | EP0286910A2 Traffic surveillance device |
| 10/19/1988 | EP0286806A2 Method for topographic cartography |
| 10/18/1988 | US4779096 Process and device for limiting traffic to be used with an interrogation/response system such as a secondary radar or IFF system |
| 10/11/1988 | US4777630 Processing of reflected signals |
| 10/11/1988 | US4777489 Method and apparatus for sensing and displaying targets within a preset zone |
| 10/11/1988 | CA1243119A1 Aircraft terrain warning system with configuration modified warning and improved mode switching |
| 10/11/1988 | CA1243116A1 Configuration module for avionics signal processing units |
| 10/06/1988 | WO1988007686A1 An arrangement for measuring speeds |
| 09/29/1988 | DE3708313A1 Method for avoiding break locks (loss of lock-on) in target-tracking radars resulting from decoys |