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 15 - Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
Patents for G01S 15 - Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems (17,242)
08/1990
08/14/1990US4949314 Method and means for increasing echo-ranging-search rate
08/14/1990US4949313 Ultrasonic diagnostic apparatus and pulse compression apparatus for use therein
08/14/1990US4949312 Ultrasonic diagnostic apparatus and pulse compression apparatus for use therein
08/14/1990US4949310 Maltese cross processor: a high speed compound acoustic imaging system
08/14/1990US4947952 Slow speed cruising control apparatus
08/08/1990CN1044529A Method for measuring length, and apparatus for implementing method
08/07/1990US4947351 Ultrasonic scan system for nondestructive inspection
08/07/1990US4945915 Ultrasonic diagnosis apparatus
08/07/1990US4945775 Inertial based pipeline monitoring system
08/07/1990US4945766 Method and apparatus for ultrasonic inspection
08/01/1990EP0380441A2 Ultrasonic measurement apparatus
08/01/1990EP0380436A1 Method of visualising reflection characteristics in ultrasonic examinations
08/01/1990EP0380268A1 Doppler blood flow system and method using low frequency noise signal processing
08/01/1990EP0380187A2 Detection system
08/01/1990EP0379855A1 Process for the measurement of lengths, and device for carrying out the process
08/01/1990EP0379593A1 Doppler system flow velocity distribution measuring apparatus
07/1990
07/31/1990US4944191 Ultrasonic detector
07/31/1990US4944186 Ultrasonic measuring system
07/26/1990WO1990008369A1 Ultrasonic volumetric alarm system
07/26/1990CA2007157A1 Doppler blood flow system and method using low frequency noise signal processing
07/25/1990EP0379139A1 Ultrasonic diagnostic apparatus
07/24/1990US4944036 Signature filter system
07/24/1990US4943951 Depth finder with tutorial
07/24/1990US4943119 Height control device and method for a fixture for machining an object essentially defined by a single plane
07/24/1990US4942765 Ultrasonic velocity sensor
07/17/1990US4942558 Ultrasonic velocity sensor
07/17/1990US4942534 Data processing apparatus
07/17/1990US4942516 Single chip integrated circuit computer architecture
07/17/1990CA1271720A1 System for the control of a member for following a moving object, an automatic milking apparatus and a method for automatic milking
07/16/1990CA2007355A1 Method for measuring length, and apparatus for implementing the method
07/12/1990WO1990007828A1 Apparatus for grasping tv viewing condition in household
07/12/1990WO1990007721A1 System for measuring position of an object using electronic or ultrasonic devices where the object contains a reference reflector for temperature compensation
07/11/1990EP0377017A1 Method for determining the position of seismic streamers in a reflection seismic measuring system.
07/10/1990CA1271554A1 Multipulse acoustic mapping system
07/05/1990DE3942248A1 Optische baugruppe fuer fahrzeuge mit eingebautem ultraschallsensor Optical assembly for vehicles with built-in ultrasonic sensor
07/03/1990US4939700 Bathymetry using computational algorithm field and background of the invention
07/03/1990US4939699 Sonar system
07/03/1990US4939698 Sonar system
07/03/1990US4939697 Echo detection and ranging system
07/03/1990US4938054 Ultrasonic linear meter sensor for positive displacement meter
07/03/1990CA1271128A1 Borehole imaging apparatus
06/1990
06/28/1990EP0326574A4 Head-mounted data display.
06/27/1990EP0375441A1 Ultrasonic doppler blood flow velocity detection apparatus
06/26/1990US4937797 Method and apparatus for controlling scan line direction in a linear array ultrasonic doppler scanning system
06/26/1990US4937796 Vehicle backing aid
06/26/1990US4937795 Access alarming method and apparatus for working vehicle
06/26/1990US4937767 Method and apparatus for adjusting the intensity profile of an ultrasound beam
06/26/1990US4936308 Method and apparatus for measuring acoustic characteristics and temperature
06/19/1990US4935907 Electronic homing system
06/19/1990US4935906 Scanning sonar system
06/19/1990US4934373 Method and apparatus for synthesizing a continuous estimate signal from segments of a Gaussian signal provided by ultra sonic doppler measurement on a fluid flow
06/19/1990US4934186 For measuring variations of the fluid level depth within a well bore
06/19/1990CA1270554A1 Circuit diagram of a device for automatic sensing of televiewing distance
06/13/1990EP0372700A1 A fluid level monitor
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
06/12/1990US4933853 Asphalt paver
06/12/1990US4932415 Method of color coding two dimensional ulltrasonic doppler velocity images of blood flow on a display
06/05/1990US4931930 Automatic parking device for automobile
06/05/1990US4930514 Ultrasonic imaging apparatus
06/05/1990US4930513 Two dimensional processing of pulsed Doppler signals
05/1990
05/31/1990DE3942093A1 Electronic orientation aid for blind - provides stereo acoustic signal corresponding to detected frequency characteristic or frequency spectrum
05/30/1990EP0370841A1 Ultrasound treatment apparatus using a focalizing and oscillating piezoelectric ceramic device
05/30/1990CN1008166B Container crane
05/29/1990US4930111 Overlap correlator synthetic aperture processor
05/29/1990US4928698 Device for measuring the speed of moving organs and blood flows by correlation
05/23/1990EP0369353A1 Method and apparatus for controlling scan line direction in a linear array ultrasonic doppler scanning system
05/23/1990EP0369106A1 Loading dock position sensor
05/23/1990EP0252075B1 System for detection of objects with given, known characteristics against a background
05/22/1990US4928231 Apparatus for forming flow-map images using two-dimensional spatial filters
05/22/1990US4926872 Ultrasonic transducer system and method for the operation thereof
05/17/1990WO1990004946A1 Ultrasonic diagnostic apparatus
05/16/1990EP0368418A1 Device for focussing an ultrasonic beam in three dimensions
05/16/1990EP0368303A2 Device for the ultrasound surveillance of spaces, particularly of motor vehicle interior spaces
05/16/1990EP0367826A1 Pulse doppler mti apparatus
05/15/1990US4924869 Ultrasonic diagnostic system
05/08/1990US4924450 Ultrasonic ranging and data telemetry system
05/08/1990US4924448 Bistatic system and method for ocean bottom mapping and surveying
05/08/1990US4924446 Navigation system and method for determining the position of a relatively noisy platform using underwater transponders
05/08/1990US4924374 Method for automatic position control of a tool
05/03/1990WO1990004793A1 Process and device for measuring a two-dimensional reflective structure
05/03/1990DE3836961A1 Orientation aid for blind persons
05/02/1990EP0365846A1 Method and apparatus for collision prevention in vehicles
05/01/1990US4922423 Position and seal wear indicator for valves and blowout preventers
05/01/1990US4922422 Method and apparatus for selective suppression of portions of an echographic signal to improve image reconstruction
04/1990
04/26/1990DE3914419A1 Ultrasonic motor vehicle parking aid - uses ultrasonic echo signals evaluated to control LCD
04/26/1990DE3835886A1 Automatic time window device for ultrasound microscope
04/24/1990US4920521 Method and system for interpolation-processing delay time data
04/24/1990US4920520 Method of and a device for safeguarding a vehicle or machinery movable in space
04/24/1990CA1268245A1 Apparatus for scanning moving objects, notably flowing blood, by means of ultrasound echography
04/19/1990DE3835406A1 Vorrichtung zum messen eines fuellstandes Device for measuring a fill level
04/18/1990EP0363614A1 Distance-measuring device including contactless distance and angle detection
04/18/1990EP0363482A1 Pulse doppler ultrasonic diagnosis apparatus
04/17/1990US4918608 Method for automatic depth control for earth moving and grading
04/17/1990US4918605 Method and system for detecting and processing ultrasonic doppler signals
04/17/1990US4917097 Apparatus and method for imaging small cavities
04/17/1990CA1267968A1 Ultrasonic device for measuring acceleration of moving reflective member
04/11/1990EP0363216A2 Intrusion detection apparatus
04/11/1990EP0362820A2 Ultrasonic imaging apparatus
04/11/1990EP0362631A1 Doppler flow rate meter
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