Patents
Sitemap › G01 - Measuring; Testing › G01S - Radio direction-finding; Radio navigation; Determining distance or velocity by use of radio waves; Locating or presence-detecting by use of the reflection or reradiation of radio waves; Analogous arrangements using other waves › G01S 7 - Details of systems according to groups , ,
Patents for G01S 7 - Details of systems according to groups , , (41,338)
06/1989
06/13/1989US4839657 System for recording and reproducing radar signal information
06/13/1989US4839652 Method and apparatus for high speed digital phased array coherent imaging system
06/13/1989US4839039 Automatic flow-control device
06/08/1989DE3740141A1 Radar method for the classification of helicopters
06/07/1989EP0318516A1 Prf coherent, pulsed oscillator apparatus
06/06/1989US4837754 Ultrasonic wave phase matching apparatus
06/06/1989US4837750 Apparatus for displaying depth sounding data with nautical range
06/06/1989US4837749 Ultrasonic imaging system for obtaining zoom video images of an object
06/06/1989US4837579 Pulse radar threshold generator
06/06/1989US4837578 Apparatus and method for range detection using the analytic signal identified from the received signal
06/06/1989US4837577 Method for stabilizing an electronically steered monopulse antenna
06/06/1989US4837503 Remote measurement of high voltage AC with radar
06/06/1989US4836682 Method and apparatus for calibrating optical sensors
06/06/1989US4836672 Covert optical system for probing and inhibiting remote targets
06/06/1989US4836210 Ultrasonic analyzer
06/06/1989US4836122 Fairing sections
06/06/1989US4836026 Ultrasonic imaging system
06/01/1989WO1989004974A1 Crystal controlled magnetron
05/1989
05/31/1989EP0318249A2 Ranging system
05/31/1989EP0151640B1 Two dimension radar system with selectable three dimension target data extraction
05/30/1989US4835747 Compensating sensor device for a charge amplifier circuit used in piezoelectric hydrophones
05/30/1989US4835689 Adaptive coherent energy beam formation using phase conjugation
05/30/1989US4835536 Weather radar with turbulence detection
05/30/1989US4835519 Detecting apparatus using ultrasonic waves
05/30/1989US4835480 Electronic signal synchronization apparatus for radar and the like
05/30/1989CA1255005A1 Narrow band correlator and noise cancellor
05/24/1989EP0316524A1 Pulse radar system
05/24/1989EP0316433A1 Delay quantization technique to reduce steering errors in digital beamformers.
05/24/1989EP0316402A1 A fast median filter
05/23/1989US4833497 Apparatus for adjusting focus in the macro-photographing mode of an automatic focus camera
05/23/1989US4833475 Raster scan radar with true motion memory
05/23/1989US4833360 Sonar system using acoustically transparent continuous aperture transducers for multiple beam beamformation
05/23/1989US4833318 Reflection-type photosensor
05/18/1989WO1989004497A1 Measurement of corrosion with curved ultrasonic transducer; rule-based processing of full echo waveforms; preprocessing and transmitting echo waveform information
05/18/1989WO1989004496A1 Millimeter wave imaging device
05/18/1989WO1989004495A1 Video maps generator
05/18/1989WO1989004143A1 Apparatus and method for imaging small cavities
05/16/1989US4831602 Simultaneous coherent and incoherent processor for sonar signals
05/16/1989US4831598 Picture display apparatus
05/16/1989US4831565 Process control equipment for adverse environments
05/16/1989US4831383 System for detecting underground objects
05/16/1989US4830487 Method and device for spatial location of an object and application to firing simulation
05/16/1989US4830485 Coded aperture light detector for three dimensional camera
05/16/1989US4830015 Method and system for measuring an ultrasound tissue characterization
05/09/1989US4829493 Sonar fish and bottom finder and display
05/09/1989US4829492 Depthfinder with color LCD display
05/09/1989US4829491 Phased-array equipment
05/09/1989US4829490 Electrical signal discrimination
05/09/1989US4829430 Method for reducing artifacts in ultrasound backscatter tomography
05/09/1989US4829308 Raster display system
05/09/1989US4829306 System for detection of objects with given, known characteristics against a background
05/09/1989US4829303 Data volume reduction for imaging radar polarimetry
05/09/1989US4829172 Optical ranging by phase shift measurement with return signal level compensation
05/09/1989US4828383 Range-finding optical system
05/09/1989US4827942 Flow map apparatus
05/05/1989WO1989004003A1 Traffic advisory-vertical speed and radar display
05/03/1989EP0314487A2 Delay coefficient calculator
05/03/1989EP0313620A1 Monitoring of objects in an optically dense atmosphere
05/02/1989US4827317 Time interval measuring device
05/02/1989US4827300 Optical detector for an auto-focus camera
05/02/1989US4827267 High availability solid state modulator for microwave cross-field amplifiers
05/02/1989US4827229 Broad band bulk acoustic wave spectrum analyzer/channelizer
05/02/1989CA1253612A1 Processing of reflected signals
04/1989
04/26/1989EP0313518A2 Method for electrooptical distance measurement
04/26/1989EP0313162A2 Control and remote control of a switchable battery-fed device by the approach to or the departure from the vicinity by a user
04/26/1989EP0312849A1 Supervisory apparatus for sensors, particularly ultra sonic sensors for supervising reversing vehicles
04/26/1989EP0312845A1 Monitoring device for reversing vehicles
04/26/1989EP0189403B1 Fairing sections
04/25/1989US4825364 Monolithic data processor with memory refresh
04/25/1989US4825214 Frequency-modulated continuous wave radar for range measuring
04/25/1989US4825116 Transmitter-receiver of ultrasonic distance measuring device
04/25/1989US4823901 Apparatus and method for detecting faults in an obstacle detection system
04/25/1989CA1253210A1 Generation of a sequence of optical pulses and communication system using such pulses
04/20/1989DE3832973A1 Verfahren zum hervorheben von schwachen kontrasten in graphischen abbildungen Method for highlighting weak contrasts in graphical illustrations
04/19/1989EP0311783A2 A high sonar transmission composition
04/19/1989EP0311661A1 Sensor apparatus
04/19/1989EP0236331B1 Methods of detection and identification of one or more remote objects
04/18/1989US4823272 N-Dimensional information display method for air traffic control
04/18/1989US4823139 Electronic countermeasure system
04/18/1989US4823136 Transmit-receive means for phased-array active antenna system using rf redundancy
04/18/1989US4823133 Radar system
04/18/1989US4823132 Device for the simulation of radar targets in laboratory tests of radar seekers
04/18/1989US4822149 Prismatic ferroelectric beam steerer
04/18/1989US4821849 Control method and means for vibration attenuating damper
04/18/1989US4821728 Three-dimensional imaging system
04/18/1989US4821574 Method and apparatus for measuring ultrasonic velocity by crossed beam
04/18/1989US4821569 Parasitic echo pulse rejector for ultrasonic liquid level meter
04/13/1989DE3810414A1 Measuring device for continuously determining the diameter of a winding form, and the use of the device
04/13/1989DE3521431A1 Circuit arrangement to cause a goal decision for very short signal pulses
04/12/1989EP0311312A2 Radar altimeter systems
04/12/1989EP0311150A1 Ultrasonic probe for electronic sector scanning, and echoscope incorporating such a probe
04/12/1989EP0310869A2 Method for automatic target classification by land and water combat vehicles, and apparatus therefor
04/11/1989US4821243 Low pressure acoustic reflector for conformal arrays
04/11/1989US4821215 Monitoring equipment for adverse environments
04/11/1989US4821039 Detecting objects with radar signals
04/11/1989US4821037 Wideband adaptive array using the chirp transform
04/11/1989US4819621 Method for detection of cavitations during medical application of high sonic energy
04/11/1989US4819561 Use in a warhead of a missile
04/11/1989CA1252578A1 Generation of graphic symbols for cathode ray tube displays
04/11/1989CA1252553A1 Ultrasonic compound scan with a rotating transducer
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