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)
03/1994
03/01/1994US5291207 Method for estimating position of objective obstacle for vehicle
03/01/1994US5291206 Multiple target discrimination system
03/01/1994US5291205 Radio frequency automatic identification system
03/01/1994US5291204 Radar response system
03/01/1994US5291202 Noise radars
02/1994
02/25/1994CA2104706A1 Doppler shift motion detector with variable power
02/23/1994EP0583647A2 Method and device for securing data merged into a picture
02/23/1994EP0583418A1 Multi-frequency automotive radar system
02/22/1994US5289192 Signal processing method for a radar system
02/22/1994US5289189 Track handover between regions within a surveillance area
02/22/1994US5289188 High resolution radar system for high speed and satellite vehicles
02/22/1994US5289183 For the analysis/management of vehicle traffic along a roadway
02/22/1994US5287740 Method for locating and examining cavities under paved roads
02/17/1994WO1994003982A1 Identification device
02/17/1994DE4226943A1 Vehicle location system for ship or aircraft - inserting position data and movement vectors, derived from vehicle navigation system, in transponder radar signal
02/17/1994DE4226543A1 Acoustic alarm system for motor vehicles using echo signals - generated by applying signal to internal passenger compartment with each subjected to spectral analysis and comparison with reference
02/17/1994CA2140871A1 Identification device
02/15/1994US5287430 Signal discrimination device using neural network
02/15/1994US5287113 Voltage limiting batteryless transponder circuit
02/15/1994US5287112 High speed read/write AVI system
02/15/1994US5287111 Doppler shift motion detector with variable power
02/15/1994CA2099349A1 Process and device for securing data mixed into an image
02/10/1994DE4326051A1 Safety system for autonomous motor vehicle - contains detector of changes in detection region of obstruction detector eg ultrasound radar
02/08/1994US5285207 Multi-frequency automatic radar system
02/03/1994WO1994002890A1 Automatic guided vehicle and control system therefor
02/03/1994WO1994002867A1 Near range obstacle detection and ranging aid
02/03/1994WO1994002866A1 Ambiguity resolution in a doppler radar system
02/03/1994DE4224447A1 Recorder and playback equipment for flight data - has records combined in electronic unit for video signal generation and reproduction
02/02/1994EP0581656A1 Method and apparatus for processing signals acquired by a mapping system
02/02/1994EP0581137A1 Method for correcting measurement errors induced by clock time drifts inside a secondary surveillance radar system
02/02/1994EP0433351B1 Automatic anti-collision process and device for autonomous vehicles
02/01/1994US5283588 Monopulse tracking apparatus
02/01/1994US5283586 Method of phased magnitude correlation using binary sequences
02/01/1994US5283584 High power photon triggered ultra-wideband RF radiator with opposite apertures
02/01/1994US5283529 Oscillation maintenance circuit
02/01/1994US5282641 Truck/trailer control system
01/1994
01/27/1994DE4324512A1 Non contact operable sanitary system - uses output of radar movement detector to control mode of operation of system automatically
01/26/1994EP0580140A1 Covert ranging method and system
01/26/1994EP0580139A2 Transponder location and tracking system and method
01/25/1994US5281973 Local oscillator frequency control means for semiactive missile guidance and control system
01/25/1994US5281972 Beam summing apparatus for RCS measurements of large targets
01/25/1994US5281971 Radar techniques for detection of particular targets
01/25/1994US5281961 Motion detection sensor with computer interface
01/25/1994US5281949 Vehicular safety sensor and warning system
01/25/1994US5281947 Vehicular safety sensor and warning system
01/25/1994US5281855 Integrated circuit device including means for facilitating connection of antenna lead wires to an integrated circuit die
01/20/1994WO1994001042A1 Determination of kinematically constrained multi-articulated structures
01/19/1994CN1081011A Passive aircraft monitoring system
01/18/1994US5280633 Active antenna for two-way transmission
01/18/1994US5280294 Passive monopulse ranging to a non-cooperative emitter and non-emitting object
01/18/1994US5280290 Self-oscillating mixer circuits, and FMCW radar
01/18/1994US5280289 Automatic signal thresholding system
01/18/1994US5280288 Interference avoidance system for vehicular radar system
01/18/1994US5280286 Surveillance and identification system antennas
01/18/1994US5280285 Method of improved initial transmission of acquisition and tracking interrogations in an aircraft tracking system
01/18/1994US5280284 Method of determining the electrical properties of the earth by processing electromagnetic signals propagated through the earth from a capacitor
01/18/1994US5279156 Distance measuring device especially for measuring the fill level in industrial tanks
01/18/1994CA1326282C High accuracy coordinate conversion method for air traffic control applications
01/12/1994EP0578544A1 Procedure and apparatus for evaluating field precipitation
01/12/1994EP0578060A2 Method for data transmission between a base station and mobile objects
01/12/1994EP0577687A1 Identification apparatus and method
01/12/1994EP0466788B1 Object-sensing device for motor vehicles
01/12/1994CN1023515C Autocorrelation receiving and transmitting radar locating method
01/11/1994USRE34501 Sensor and method for ullage level and flow detection
01/11/1994US5278567 Post detection integration method and apparatus for pulse compression radar utilizing surface acoustic wave (SAW) matched filters
01/11/1994US5278566 Radar apparatus
01/11/1994US5278564 Method and apparatus for the determination of the height of a target
01/11/1994US5278563 Vehicle identification and classification systems
01/06/1994WO1994000921A1 Mobile object identification device
01/06/1994WO1994000830A1 Object location process and apparatus
01/06/1994WO1994000777A1 Device and method for sensing and protecting persons and objects
01/06/1994WO1994000776A1 High doppler rate, high altitude capability coherent pulse doppler radar altimeter
01/05/1994EP0577520A1 Antenna for a secondary radar in S-mode
01/05/1994EP0577480A1 Procedure and device for impulse recognition and usage to filter mode S responses of an SSR
01/05/1994EP0577479A1 Method and device for increasing the probability of validity detection of the reply codes in secondary radar systems
01/05/1994EP0577478A1 Procedure and device for filtering the responses in a secondary surveillance radar extractor
01/05/1994EP0577328A2 Secure toll collection system for moving vehicles
01/04/1994US5276772 Real time adaptive probabilistic neural network system and method for data sorting
01/04/1994US5276453 Method for ambiguity resolution in range-Doppler measurements
01/04/1994CA2099703A1 Antenna for a secondary radar operating in s-mode
12/1993
12/31/1993CA2099702A1 Method and device for detecting pulses and their utilisation in the filtering of a secondary radar s-mode responses
12/31/1993CA2099701A1 Method and device for filtering responses in a secondary radar transponder
12/31/1993CA2099700A1 Method and device for increasing the probability of validity of response codes in a secondary radar
12/29/1993EP0575814A1 Microwave distance sensor for parking vehicles
12/29/1993EP0575453A1 Apparatus and method for detecting buried, elongated, electromagnetic detectable items
12/29/1993EP0328621B1 Dual mode video tracker
12/28/1993US5274665 Polyopoly overlapping spread spectrum communication system and method
12/28/1993US5274380 FM-CW radar
12/28/1993US5274378 Docking velocity indicator system
12/23/1993WO1993025984A1 Method and apparatus for theft detection using digital signal processing
12/23/1993WO1993025918A1 A system for the transfer of information comprising several transponders
12/23/1993DE4320248A1 Doppler effect speed measurement device for vehicle - transmits light to and receives it from road surface, computes speed using Doppler effect and compares with speed derived from wheel speed
12/23/1993DE4319878A1 High frequency identification system card - has integrated circuit chip or carrier layer sealed by top layer and coupled to batteries and antenna system
12/23/1993DE4307414C1 Traffic surveillance radar for controlling traffic lights - uses correlation of echo signals provided by 2 stationary antenna to detect traffic within each traffic lane
12/22/1993EP0575253A1 Device for conversion of radar output date for displaying on a television screen
12/22/1993EP0575251A1 System for remotely displaying a radar output
12/22/1993EP0575221A1 Method for eliminating the signals of obstacles by radar and its applications
12/22/1993EP0574399A1 Microwave identification system.
12/22/1993CN1079835A Method and apparatus for theft detection using digital signal processing
12/21/1993US5272725 Digital video quantizer