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)
06/1990
06/27/1990EP0374987A1 Radar apparatus and side-lobe suppression unit suitable for application in such a radar apparatus
06/27/1990EP0374864A2 Acoustic display generator
06/27/1990EP0374265A1 Automatic tracking type surveying apparatus
06/26/1990US4937767 Method and apparatus for adjusting the intensity profile of an ultrasound beam
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
06/26/1990US4937582 Polarization adaptive active aperture system
06/23/1990CA2006565A1 Signal sensor insensitive to static pressure variations
06/22/1990CA2004725A1 Acoustic display generator
06/20/1990EP0373394A1 Method for the determination of the frequency of short bursts of electric signals
06/20/1990CN1043224A Microcomputer control frequency quickly varying magnetron and technique
06/19/1990US4935906 Scanning sonar system
06/19/1990US4935884 Sonic pipe length detector
06/19/1990US4935744 Coherent radar
06/19/1990US4935743 Anti-jamming apparatus and method for a radar system
06/19/1990US4935742 Automatic radar generator
06/13/1990EP0372641A2 Continuously transmitting and receiving radar
06/13/1990EP0372068A1 A method of intrusion detection over a wide area
06/13/1990EP0198923B1 Ultrasonic diagnostic apparatus
06/13/1990EP0155945B1 Integrated threshold arming method and apparatus
06/13/1990DE3841267A1 Doppler radar sensor
06/13/1990CN2058254U Speed simulator of moving object
06/12/1990US4933915 Method of indicating the time of an acoustic pulse and a device for carrying out the method
06/12/1990US4933914 Channel adaptive active sonar
06/12/1990US4933677 Spur reduction system for digital RF memory
06/12/1990US4932775 FM laser transmitter
06/12/1990CA1270313A1 Radar reception device, and radar apparatus including said device
06/07/1990DE3844654A1 Image sensor
06/07/1990DE3840426A1 Range image sensor
06/07/1990DE3840425A1 Range image sensor
06/06/1990EP0371197A2 Image sensor
06/05/1990USH792 Mainlobe canceller with motion compensation for use with radar systems
06/05/1990US4931977 Vectorial adaptive filtering apparatus with convergence rate independent of signal parameters
06/05/1990US4931930 Automatic parking device for automobile
06/05/1990US4931801 Method and apparatus to scan convert radar video to television outputs
06/05/1990US4931800 Stagger compensated moving target detector
06/05/1990US4931799 Short-range radar transceiver employing a FET oscillator
06/05/1990US4930514 Ultrasonic imaging apparatus
05/1990
05/31/1990WO1990006003A1 Radar system for determining angular position utilizing a linear phased array antenna
05/31/1990WO1990005921A1 Adaptive waveform radar
05/31/1990DE3839654A1 Method for identifying anoprop targets in a pulse radar system
05/31/1990DE3839512A1 Image sensor
05/30/1990EP0370965A2 A device for detecting relative movement between vehicles, mainly for preventing collisions
05/30/1990EP0370640A2 Aircraft instrument systems
05/29/1990US4929958 High precision radar detection system and method
05/29/1990US4928915 Mounting apparatus for sonar transducer
05/23/1990EP0369127A2 Compound ultrasonar sonar transducer
05/23/1990EP0369106A1 Loading dock position sensor
05/23/1990EP0369050A1 Method of suppression of interfering signals in the operation of an ultrasonic proximity switch
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
05/23/1990DE3839343A1 Ultrasound camera
05/23/1990DE3829393A1 Target recognition (identification)
05/23/1990CA2003684A1 Image sensor
05/23/1990CA2003683A1 Controllable semiconductor image sensor and arrangement with such a sensor
05/22/1990US4928315 For removing an undesired frequency component from a received signal
05/22/1990US4928231 Apparatus for forming flow-map images using two-dimensional spatial filters
05/22/1990US4928131 Sea clutter suppression radar
05/22/1990US4928105 Intrapulse radar receiver
05/22/1990US4928104 Wideband multi-channel digital radio frequency memory
05/22/1990US4926872 Ultrasonic transducer system and method for the operation thereof
05/21/1990CA2002567A1 Radar apparatus and side-lobe suppression unit suitable for application in such a radar apparatus
05/17/1990WO1990005314A1 Improvements in the transmission and reception of electric signals carrying information
05/17/1990DE3838396A1 Method for locating vessels and for forecasting haemorrhages (bleeding)
05/17/1990DE3435295C1 Method and arrangement for detecting and identifying target objects
05/16/1990EP0368755A1 Device for detecting a coherent optical signal
05/16/1990EP0368545A1 Improvements in the transmission and reception of electric signals carrying information
05/16/1990EP0368418A1 Device for focussing an ultrasonic beam in three dimensions
05/16/1990EP0367826A1 Pulse doppler mti apparatus
05/16/1990EP0203158B1 Peripheral vision guidance display
05/16/1990EP0160072B1 Navigation system including an integrated electronic chart display
05/15/1990US4926443 Correction circuit for a digital quadrature-signal pair
05/15/1990US4926380 Ultrasonic imaging apparatus
05/15/1990US4926187 Radio-frequency identification system
05/15/1990US4926170 Object detection method and apparatus employing electro-optics
05/15/1990US4924869 Ultrasonic diagnostic system
05/09/1990EP0367273A2 An associative hierarchical deinterleaver
05/09/1990EP0367167A2 Method and system for reducing phase error in a phased array radar beam steering controller
05/08/1990US4924374 Method for automatic position control of a tool
05/08/1990US4924232 Method and system for reducing phase error in a phased array radar beam steering controller
05/08/1990US4922917 Ultrasonic tissue characterization
05/03/1990WO1990004793A1 Process and device for measuring a two-dimensional reflective structure
05/03/1990DE3940402A1 Ultrasonic transducer array element apparent prepositioning - feeds signals, received by active aperture of transducer array, to several delay units
05/03/1990DE3935245A1 Correcting attenuation-dependent ultrasonic medical imaging appts. - determining sound damping between reflecting boundary layers and individual transducer in adapting phase
05/03/1990DE3908273C1 Self-test device for a scanning light probe
05/03/1990CA2001495A1 Transmission and reception of electric signals carrying information
05/02/1990EP0366374A2 Radio frequency transmission and reception system
05/02/1990EP0366130A2 Linear deflection amplifier with energy recovery
05/01/1990US4922422 Method and apparatus for selective suppression of portions of an echographic signal to improve image reconstruction
05/01/1990US4922256 Tracking receiver for broadband chirp emissions
04/1990
04/26/1990DE3835886A1 Automatic time window device for ultrasound microscope
04/25/1990EP0365226A2 Cordic apparatus and method for approximating the magnitude and phase of a complex number
04/24/1990US4920347 Pulse doppler radar system
04/24/1990US4920346 Unidirectional amplitude sensitive noise riding threshold circuit
04/24/1990US4919532 High accuracy semiconductor laser doppler velocimeter
04/19/1990DE3930272A1 Lidar Lidar
04/19/1990DE3834967A1 Verfahren zur bestimmung der ortslage von beweglichen grenzen zwischen biologischen geweben und einrichtung zu dessen durchfuehrung Method for the determination of the limits specified location of movable between biological tissues and device for carrying it out
04/18/1990EP0364333A1 Method and apparatus for radar plot validation with self-adapting updating
04/18/1990EP0364036A2 Continuously transmitting and receiving radar
04/18/1990EP0363482A1 Pulse doppler ultrasonic diagnosis apparatus
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