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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08/07/1990 | CA1272519A2 Position determination and message transfer system employing satellites and stored terrain map |
08/02/1990 | DE3902582A1 Method for local traffic data acquisition and evaluation |
08/01/1990 | EP0380460A2 Conflict detection and resolution between moving objects |
08/01/1990 | EP0380044A1 Wave guide correlator system for real time radar data processing |
08/01/1990 | EP0379855A1 Process for the measurement of lengths, and device for carrying out the process |
07/31/1990 | US4945550 Decoder for separating pulse coded messages |
07/31/1990 | US4945360 Radar altimeter |
07/31/1990 | CA1272277A1 Method for instantaneous processing of the glint noise and tracking monopulse radar receiver carrying out this method |
07/31/1990 | CA1272276A1 Method and device for correcting the distance measurement skew of a short range radar |
07/25/1990 | EP0378832A2 Discrete autofocus for ultrahigh resolution synthetic aperture radar imaging |
07/24/1990 | US4943974 Detection of burst signal transmissions |
07/17/1990 | US4942534 Data processing apparatus |
07/17/1990 | US4942403 Phased-array radar |
07/16/1990 | CA2007355A1 Method for measuring length, and apparatus for implementing the method |
07/12/1990 | DE3900605A1 Movement signalling device |
07/11/1990 | EP0377257A1 Identification system |
07/10/1990 | US4941181 Data processing method in recognition system |
07/10/1990 | US4940988 Two parameter clutter map |
07/10/1990 | US4940987 Automatic horizontal and vertical scanning radar |
07/10/1990 | CA1271547A1 Radar system with incremental automatic gain control |
07/10/1990 | CA1271546A1 Vehicle guidance and ranging system |
07/05/1990 | DE3938395A1 Sensor detecting presence of objects - contains generator, waveguide, output coupler and antenna forming discontinuity between generator and output coupler |
07/05/1990 | DE3844340A1 Parking aid |
07/04/1990 | EP0376374A1 Radio altimeter with fixed echo elimination, and method of performing same |
07/03/1990 | US4939745 Apparatus for generating orthogonal sequences |
06/28/1990 | WO1990007130A1 Millimiter-wave imaging system, particularly for contraband detection |
06/28/1990 | WO1990007129A1 Digital range correlator |
06/28/1990 | WO1990007093A1 Fiber optic radar guided missile system |
06/28/1990 | EP0326574A4 Head-mounted data display. |
06/27/1990 | EP0374987A1 Radar apparatus and side-lobe suppression unit suitable for application in such a radar apparatus |
06/27/1990 | CA2006622A1 Identification system |
06/26/1990 | US4937584 Adaptive phase-shifter nulling techniques for large-aperture phases arrays |
06/26/1990 | US4937583 Radar receiving device and radar including such a device |
06/26/1990 | US4937580 Geophysical radar apparatus and method |
06/26/1990 | CA1270929A1 Automotive collision avoidance and/or air bag deployment radar |
06/26/1990 | CA1270920A1 System for determining the angular spin position of an object spinning about an axis |
06/21/1990 | DE3841864A1 Doppler radar |
06/14/1990 | WO1990006549A1 Position indicator and method of inputting information |
06/13/1990 | EP0372641A2 Continuously transmitting and receiving radar |
06/13/1990 | EP0372435A2 Monitoring system |
06/13/1990 | DE3841267A1 Doppler radar sensor |
06/13/1990 | CN2058254U Speed simulator of moving object |
06/12/1990 | US4933678 Method of detecting oil spills at sea using a shipborne navigational radar |
06/12/1990 | CA1270313A1 Radar reception device, and radar apparatus including said device |
06/06/1990 | EP0371346A2 Device for measuring the horizontal and/or vertical speed components of a first object moving relative to a second object |
06/06/1990 | EP0371133A1 Holographic radar |
06/05/1990 | USH792 Mainlobe canceller with motion compensation for use with radar systems |
06/05/1990 | US4931930 Automatic parking device for automobile |
06/05/1990 | US4931800 Stagger compensated moving target detector |
06/05/1990 | US4931799 Short-range radar transceiver employing a FET oscillator |
06/05/1990 | US4931788 Transponder and interrogator |
05/31/1990 | WO1990006003A1 Radar system for determining angular position utilizing a linear phased array antenna |
05/31/1990 | WO1990005921A1 Adaptive waveform radar |
05/31/1990 | DE3840347A1 Method for measuring the total distance between a transmitting location, a reference location and a receiving location |
05/31/1990 | DE3839654A1 Method for identifying anoprop targets in a pulse radar system |
05/31/1990 | DE3539105A1 Radar system |
05/31/1990 | DE3347456A1 Method for immediate processing of the angular fluctuation noise, as well as a tracking monopulse radar receiver in which this method is used |
05/30/1990 | EP0370965A2 A device for detecting relative movement between vehicles, mainly for preventing collisions |
05/30/1990 | EP0370640A2 Aircraft instrument systems |
05/29/1990 | US4929954 Device for computing a sliding and nonrecursive discrete Fourier transform and its application to a radar system |
05/29/1990 | US4929953 Method and apparatus for continuous on line recording and processing of synthetic aperture radar signals in real time |
05/29/1990 | US4929951 Apparatus and method for transform space scanning imaging |
05/29/1990 | US4929950 Synthetic aperture radar systems |
05/23/1990 | EP0369106A1 Loading dock position sensor |
05/23/1990 | EP0252075B1 System for detection of objects with given, known characteristics against a background |
05/23/1990 | EP0189414B1 Process for measuring the state changes induced by weather elements on traffic surfaces and apparatus for implementing such process |
05/22/1990 | US4928315 For removing an undesired frequency component from a received signal |
05/22/1990 | US4928130 Staggered arrangement for improving radar reflection |
05/21/1990 | CA2002567A1 Radar apparatus and side-lobe suppression unit suitable for application in such a radar apparatus |
05/17/1990 | WO1990005409A1 Surface acoustic wave devices |
05/17/1990 | WO1990005314A1 Improvements in the transmission and reception of electric signals carrying information |
05/17/1990 | WO1990005299A1 Detection of non-metallic materials |
05/17/1990 | DE3838273A1 Device for command guidance of a missile |
05/16/1990 | EP0368746A1 Method for the discrete exchange of electromagnetic signals between a first and a second transmitter-receiver, and system for carrying out the method |
05/16/1990 | EP0368545A1 Improvements in the transmission and reception of electric signals carrying information |
05/16/1990 | EP0160072B1 Navigation system including an integrated electronic chart display |
05/15/1990 | US4926187 Radio-frequency identification system |
05/15/1990 | US4926185 Multiple radio frequency single receiver radar operation |
05/15/1990 | US4926184 Angle measurement device for amplitude monopulse receivers |
05/15/1990 | US4926183 Radar, notably for the correction of artillery fire |
05/15/1990 | US4926182 Microwave data transmission apparatus |
05/15/1990 | US4926171 Collision predicting and avoidance device for moving vehicles |
05/15/1990 | CA1269155A1 Extended sar imaging capability for ship classification |
05/14/1990 | EP0274526A4 Transponder device. |
05/10/1990 | CA2002465A1 Process for the furtive exchange of electromagnetic signals between a first and a second transmitter-receiver station and method of implementing same |
05/09/1990 | EP0367404A2 Vehicle diplex doppler near-obstacle detection apparatus |
05/08/1990 | US4924235 Holographic radar |
05/08/1990 | US4924231 Device for removing the ambiguity over range and speed, used more especially in combination with a doppler type radar receiver and a radar containing it |
05/08/1990 | US4924230 Search detection apparatus |
05/08/1990 | US4924229 Phase correction system for automatic focusing of synthetic aperture radar |
05/03/1990 | WO1990004795A1 Aircraft landing approach system |
05/03/1990 | WO1990004794A1 Method for processing transmitted and reflected signals for removing unwanted signals and noise from wanted signals |
05/03/1990 | CA2001495A1 Transmission and reception of electric signals carrying information |
05/02/1990 | EP0366406A2 Multiple radio frequency single receiver radar operation |
05/02/1990 | CN1007840B Recording and replaying system for motion status |
05/01/1990 | US4922258 Method for determining aircraft flight altitude |
05/01/1990 | US4922256 Tracking receiver for broadband chirp emissions |
05/01/1990 | US4922255 Arrangement for measuring speeds |
05/01/1990 | US4922254 Topographic mapping |
04/26/1990 | CA2001488A1 Radar navigation system |