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)
10/1993
10/12/1993US5252962 System monitoring programmable implantable transponder
10/12/1993US5251680 Collision-preventing apparatus for electric motor vehicle
10/12/1993CA1323087C Marine navigation and positioning system
10/07/1993DE4310354A1 Automatic braking system for road vehicles with early warning - has processor for interpreting sensor signals to determine when safe distance limit is exceeded and for signalling driver of imminent action
10/07/1993DE4211520A1 Data communication system between material mixer and road laying machine - uses transponder within transport vehicle for surfacing material loaded with data at mixer and interrogated at application point
10/07/1993DE4210823A1 Microwave aircraft landing procedure for poor visibility conditions - using EM beam provided by satellite and reflected from ground surface in direction of approaching aircraft
10/06/1993EP0564322A1 Method and apparatus for garble detection in a secondary surveillance radar
10/05/1993US5250954 Color-coded radar plan position indicator
10/05/1993US5250953 Tracking radar systems
10/05/1993US5250952 Method of correcting rotational motion error in SAR and ISAR imagery
10/05/1993US5250945 School bus obstacle detection device
10/05/1993US5250944 Antenna and driving circuit for transmitting and receiving images to and from a passive transponder
09/1993
09/30/1993WO1993019387A1 Device for sensing aircraft
09/30/1993WO1993019383A1 Method and system for the detection and measurement of air phenomena and transmitter and receiver for use in the system
09/29/1993EP0562129A1 Method and means for extracting motion errors of a platform carrying a coherent imaging radar system
09/29/1993EP0289623B1 Radar-type underground prospecting apparatus
09/28/1993US5249157 Collision avoidance system
09/28/1993US5248984 Method for processing an antenna pattern
09/28/1993US5248979 Dual function satellite imaging and communication system using solid state mass data storage
09/28/1993US5248977 One-dimensional electronic image scanner
09/28/1993US5248976 Multiple discrete autofocus
09/28/1993US5248975 Ground probing radar with multiple antenna capability
09/28/1993US5248968 Tcas ii pitch guidance control law and display symbol
09/28/1993US5248958 Hertzian-wave intrusion detetor
09/28/1993CA1322585C Radar apparatus employing different kinds of pulses
09/23/1993DE4208863A1 Material investigation arrangement for e.g. waste water channel walls - contains transport mechanism with signal generator contg. microwave generator and receiver connected to comparative evaluation device
09/23/1993DE4208012A1 Verfahren zur einstellung der fahrgeschwindigkeit eines kraftfahrzeugs A method for setting the driving speed of a motor vehicle
09/22/1993EP0561690A1 Method and apparatus for detecting a point reflector passing a preselected range utilising the propagation time of a continuous wave
09/22/1993EP0561559A1 Electrically-and-magnetically-coupled, batteryless, portable frequency divider
09/21/1993US5247311 Loro antenna and pulse pattern detection system
09/21/1993US5247306 Millimetric wave radar system for the guidance of mobile ground robot
09/21/1993US5247305 Responder in movable-object identification system
09/21/1993US5247304 Interrogating station for identification purposes, with separate transmitting and receiving antennae
09/21/1993US5247303 Data quality and ambiguity resolution in a doppler radar system
09/21/1993US5247302 Entropy-based signal receiver
09/21/1993US5247296 Device for determination of distances between close-range objects
09/21/1993US5246232 Method and apparatus for determining parameters of the motion of an object
09/21/1993CA1322395C Microwave transmitting-receiving device for use in buried object imaging
09/15/1993EP0560744A1 Method for tracking a radar target
09/15/1993EP0560658A1 Method and device for garble detection of an SSR via phase analysis
09/15/1993EP0560540A2 Amplitude ratio discrimination for MTI processors
09/15/1993EP0559849A1 Vehicle navigation system
09/15/1993EP0334897B1 Rotor recognition system
09/15/1993EP0331728B1 Apparatus for detecting materials buried under the ground
09/14/1993US5245347 All weather tactical strike system (AWTSS) and method of operation
09/14/1993US5245346 Interrogator/transponder system and mobile transponder device
09/11/1993CA2091234A1 Method and device for detecting by a phase analysis pulse mixtures received by a secondary radar
09/09/1993DE4207627A1 High-resolution pulse radar method using pseudo-statistical modulation - produces time-transformed IF signal from transmission and scanning pulses with slightly different repetition rates
09/08/1993EP0559546A1 Low cost microwave antenna for transmitter and/or receiver for a vehicle and a headlight light bulb for its realisation
09/08/1993EP0559351A1 Systems for measuring the propagation delay of a two-way communications network
09/07/1993US5243564 Doppler-effect vehicle ground-speed detecting apparatus having means for detecting vehicle body inclination
09/07/1993US5243349 Method of processing digital data samples
09/01/1993EP0558026A1 An obstacle detecting device for a vehicle
09/01/1993EP0557945A2 Ranging, detection and resolving in a multislope frequency modulated waveform radar system
08/1993
08/31/1993US5241318 Method and apparatus of generating sum or difference signals corresponding to an apparent beam in a monopulse radar system
08/31/1993US5241317 Method and apparatus for determining target elevation angle, altitude and range and the like in a monopulse radar system with reduced multipath errors
08/31/1993US5241316 Use of iteration to improve the correction of AGC dependent channel-to-channel gain imbalance
08/31/1993US5241313 Angle-of-arrival measurement via time doppler shift
08/31/1993US5241298 Electrically-and-magnetically-coupled, batteryless, portable, frequency divider
08/26/1993DE4205231A1 Tractor tool with sensor controlling pivoted tool blades - has pivot lever for each blade allowing initial rear movement during pivoting out of working position
08/25/1993EP0557160A1 Method and device for elimination of stationary echoes received by radars
08/25/1993EP0556277A1 Dual mode electronic identification system
08/25/1993EP0556259A1 Information transmission system with electromagnetic waves, especially microwaves
08/24/1993US5239309 Ultra wideband radar employing synthesized short pulses
08/19/1993WO1993016531A1 A system for the transmission of information by microwaves and a communication device to be used in such a system
08/19/1993WO1993016397A1 Electromagnetic detection system for parking operation
08/19/1993WO1993016140A1 Polyamidoamines in the circulating waters of wet separators
08/19/1993WO1993015931A2 Motor vehicle display system and ranging device
08/19/1993DE4204804A1 Polyamidoamine in umlaufwaessern von nassabscheidern Polyamidoamines umlaufwaessern scrubbers
08/19/1993CA2129673A1 Electromagnetic detection system for parking operation
08/18/1993EP0530271A4 Electronic vehicle toll collection system and method
08/18/1993EP0372058B1 Method and apparatus for determining the position and velocity of a target in inertial space
08/18/1993CN1075366A Radar apparatus provided with a coherent clutter map
08/17/1993US5237330 Intrusion detection device
08/17/1993US5237329 Method of correcting range migration in image generation in synthetic aperture radar
08/12/1993DE4303421A1 Automatic speed control for motor vehicles with unit detecting speed - has plate of variable transparency covering camera and made transparent or non-transparent electronically
08/12/1993DE4203452A1 Radar, microwave and optical measurement pollution in river, stream or canal - using existing structures, e.g. bridges, for mounting sensor, i.e. radar appts., with output fed to local processing unit
08/12/1993DE4203224A1 Controlling command guide beam control for projectile - using several phases for target cover and collision hit
08/11/1993EP0554512A1 Method for recognition of a target
08/11/1993EP0292556B1 Frequency domain, pulse compression radar apparatus for eliminating clutter
08/10/1993US5235341 Method and system for measuring the position of lightning strokes
08/10/1993US5235339 Radar target discrimination systems using artificial neural network topology
08/10/1993US5235338 Moving target detection through range cell migration radar
08/10/1993US5235337 Search and rescue transponder housing
08/10/1993US5235336 Method of bearing determination utilizing a bottom antenna in an aircraft tracking system
08/05/1993WO1993015561A1 Improved transponder for proximity identification system
08/05/1993WO1993015418A1 Device for wireless transfer of information
08/05/1993WO1993015417A1 Device for information transfer
08/05/1993WO1993015414A1 Method and apparatus for determining parameters of the motion of an object
08/05/1993DE4200076A1 Acoustic surface wave effect sensor with remote interrogation for e.g. ID tag
08/05/1993DE4142091A1 Identification system for reception of traffic information by vehicle - stores encoded information from passive roadside transponder in computer memory for reproduction by dashboard instruments
08/04/1993EP0553094A1 Device for information transmission.
08/03/1993US5233354 Radar target discrimination by spectrum analysis
08/03/1993US5233353 System for measuring the distance between two stations mobile with regard to one another
08/03/1993US5233352 Level measurement using autocorrelation
08/03/1993US5233351 Local oscillator arrangement for a monopulse receiver in a semiactive missile guidance system
07/1993
07/29/1993DE4202009A1 Transceiver broad-band antenna for radio identification - has phase-shifter connected to resonant-circuit capacitor and inductors wound on ellipsoid core
07/28/1993EP0386039B1 Traffic advisory-vertical speed and radar display
07/28/1993EP0364469B1 Synthetic aperture radar
07/28/1993EP0289553B1 Monopulse antenna with improved sidelobe suppression