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