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)
11/1990
11/02/1990CA2015847A1 Apparatus and method for an aircraft flat panel display exhibiting vertical speed, traffic awareness, and collision resolution advisories
11/01/1990WO1990013076A2 A detection system for locating aircraft
11/01/1990WO1990013050A1 Object-sensing device for motor vehicles
11/01/1990WO1990013048A1 System for sensing the approach of a moving missile to a target
10/1990
10/31/1990EP0395480A1 Method and apparatus for spectral analysis with high resolution of non stationary signals from an electromagnetic detection system
10/31/1990EP0395015A2 Radar tomography
10/31/1990EP0394425A1 Aircraft landing approach system
10/30/1990US4967200 Processor for radar system
10/30/1990US4967199 Ground probing radar method and apparatus
10/25/1990WO1990013049A1 Short-range radar transceiver employing a fet oscillator
10/25/1990DE4012527A1 Communications device for base band signals
10/25/1990CA2014833A1 Radar tomography
10/24/1990EP0393760A1 Apparatus for the discrimination of volume diffused echos for FM/CW distance measurement radar and application in a radio altimeter
10/24/1990EP0393698A2 Device for improving radar resolution
10/24/1990EP0393300A1 A device for processing an electromagnetic wave
10/24/1990EP0393269A1 Range-Finding Apparatus
10/24/1990EP0232307B1 Position indicator beacon and deployment means
10/23/1990US4965586 Position determination and message transfer system employing satellites and stored terrain map
10/23/1990US4965585 Device for moving-clutter elimination in a radar
10/23/1990US4965584 Method and devices for translation along the axis of frequencies of the modulus of the transfer function of a filter
10/23/1990US4965583 Collision avoidance system for automatically controlled vehicles moving at short headways
10/23/1990US4965582 Method for radar mapping an area and a radar equipment to carry out the method
10/23/1990CA1275481C 2-d pulse doppler radar
10/20/1990WO1990013104A1 An aircraft parking and information system
10/20/1990CA2051617A1 Aircraft parking and information system
10/19/1990CA2014827A1 Baseband signal communication apparatus
10/18/1990WO1990012292A1 Device for level gauging with microwaves
10/18/1990DE3912398A1 Objekt-erkennungsvorrichtung fuer kraftfahrzeuge Object detection device for motor vehicles
10/18/1990DE3912316A1 Target location system using IC engine exhaust gases - uses sensor for absorption of electromagnetic gradiation
10/17/1990EP0392327A1 Damping circuit for the antenna resonance circuit of a radio transmitter-receiver
10/17/1990EP0392287A1 Fourier transform method using number theoretic transforms
10/17/1990EP0392055A1 Priority mapper for initiation of radar tracking of projectiles
10/16/1990US4963888 Single-scan editor of bird echoes
10/16/1990US4963887 Full duplex transponder system
10/16/1990US4963877 Synthetic aperture radar
10/14/1990CA2009601A1 Blind speed elimination for dual displaced phase center antenna radar processor mounted on a moving platform
10/11/1990DE3917794A1 Doppler rangefinder e.g. for proximity fuse - uses circulator emitting transmit and receive reflection signals and processes doppler value for closing distance
10/10/1990EP0390779A1 Continuously armed high reliability pulse train processor
10/03/1990EP0390657A1 Measurement of the stability of transmission and reception in radar
10/03/1990EP0390334A2 Improved data link using electronically steerable beam
10/03/1990EP0389720A1 Radar detection of targets at short and long range
10/03/1990EP0389670A2 Apparatus for measuring the speed of a vehicle according to the Doppler radar principle.
10/03/1990EP0389501A1 Process for determining the condition of a road.
10/03/1990CN1045865A Range finder for car rear obstacle
10/02/1990US4961075 Two and one-half dimensional radar system
10/02/1990US4961039 Moving object detecting device
10/02/1990US4960329 Chirp pulse echo ranging apparatus
09/1990
09/30/1990WO1990011199A1 Vehicle with plastic suspension
09/30/1990CA2013522A1 Radar transmission-reception stability measure
09/27/1990DE3909874A1 Method for digitising and signal processing of received signals of a phased-array receiving system, and a device for carrying out the method
09/26/1990EP0389343A1 Method for the remote monitoring of antenna elements in a secondary radar, and device for carrying out the process
09/26/1990EP0389325A1 Method and apparatus for assisting land vehicle traffic
09/26/1990EP0389111A2 A synthetic aperture radar assembly and a method of creating a radar image of a planet surface using such an assembly
09/25/1990US4959800 Method and apparatus for determining the position and velocity of a target in inertial space
09/25/1990US4959654 Digitally generated two carrier phase coded signal source
09/25/1990US4958638 Non-contact vital signs monitor
09/21/1990CA2012592A1 Method for remotely monitoring the radiating elements of a secondary surveillance radar antenna and device using said method
09/20/1990DE3908771A1 Method for measuring the range of moving objects by means of a Doppler measurement radar
09/19/1990EP0387294A1 Crystal controlled magnetron
09/18/1990US4958161 Frequency-modulated continuous-wave radar altimeter system
09/18/1990CA1274306A1 Process and system for locating a mobile in a railway network
09/13/1990DE3907788A1 Radar signal processing method
09/12/1990EP0387071A2 Codable electronic devices, e.g. transponders
09/12/1990EP0386718A2 circuit arrangement
09/12/1990EP0386152A1 Millimeter wave imaging device.
09/12/1990EP0386108A1 Downhole pulse radar
09/12/1990EP0386039A1 Traffic advisory-vertical speed and radar display.
09/12/1990EP0385989A1 Device for the display of a plurality of radar images
09/12/1990CN1009580B High rosolution imaging doppler interferometer
09/11/1990US4956794 Single camera three dimensional head position sensing system
09/11/1990US4956645 Radio system for data transmission with one passive end and station included in such a system
09/07/1990WO1990010200A2 Identification system using hertzian waves, consisting of an interrogation station and a responder unit
09/05/1990EP0385600A2 System for tracking an aircraft over an area
09/05/1990EP0385158A2 Pulse spacing decoding
09/05/1990CN1009494B Target tracking system
09/04/1990US4954830 Range resolving method
09/04/1990US4954829 Data link using electronically steerable beam
08/1990
08/28/1990US4952940 Radar system with a digital expander
08/28/1990US4952939 Radar intrusion detection system
08/23/1990WO1990009707A1 Transponder system
08/23/1990WO1990009336A1 Sensing arrangement in connection with spreaders
08/22/1990EP0382969A2 Range limiting system
08/21/1990US4951059 Dual stacked beam radar
08/21/1990US4951058 Method for remote detection of electronic bomb fuze
08/21/1990US4951057 Inductive input/output coupling for a surface acoustic wave device
08/21/1990US4951056 Method for sensing the arrival of a vehicle at a surface
08/21/1990US4951055 Apparatus for detecting materials buried under the ground
08/16/1990EP0382090A1 Method to avoid unfavourable phase positions in a radar device employing the cross-feed method
08/14/1990US4949267 Site-selectable air traffic control system
08/14/1990US4949089 Portable target locator system
08/14/1990CA1272787A1 Transponder useful in a system for identifying objects
08/14/1990CA1272786A1 System for identifying particular objects
08/09/1990WO1990009599A1 Device at a radar level gauge
08/09/1990WO1990008965A1 Personalized passive identification device
08/08/1990EP0381164A2 Automatic horizontal and vertical scanning radar
08/08/1990EP0381038A1 Radar system
08/08/1990EP0381016A1 External rear view mirror for a motor vehicle
08/08/1990CN1044529A Method for measuring length, and apparatus for implementing method
08/07/1990US4947354 Measuring apparatus for detecting the distance "H" to an object
08/07/1990US4947176 Multiple-beam antenna system