Patents for G01S 15 - Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems (17,242) |
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05/24/1994 | US5313947 CW and pulsed doppler diagnostic system |
05/18/1994 | EP0597194A2 Acoustic echo sounder |
05/18/1994 | EP0367826B1 Pulse doppler mti apparatus |
05/17/1994 | US5311870 Ultrasonic Doppler imaging apparatus |
05/11/1994 | WO1994010583A1 Correlation sonar system |
05/11/1994 | EP0596560A1 Apparatus for the examination of media by ultrasonic echography |
05/11/1994 | EP0596342A1 Ultrasonic measuring apparatus which minimizes the number of digital values treated by processing means |
05/10/1994 | CA2001669C Ultrasonic treatment device by means of a focalizing and oscillating piezoelectrical ceramic |
05/04/1994 | EP0595695A1 Ultrasonic sounding system with digital phase control |
05/04/1994 | EP0395733B1 Scanning sonar system |
05/03/1994 | US5309408 Sonar system |
05/03/1994 | CA2109010A1 Ultrasonic measuring apparatus which minimizes the number of digital values treated by processing means |
04/28/1994 | WO1994005993A3 Elastographic measurement and imaging apparatus and method |
04/28/1994 | DE4335801A1 Obstacle detector for vehicle using radar system - detects obstacles in vehicle path and is used as part of ABS system to detect vehicle speed and determine ideal travel route |
04/28/1994 | DE4302537C1 Ultrasound imaging and therapy device - generates imaging waves and focussed treatment waves having two differing frequencies for location and treatment of e.g tumours |
04/27/1994 | EP0594119A1 Doppler-effect vehicle speed sensor using different speed determining rules depending upon receiver output |
04/27/1994 | EP0593921A2 Apparatus for measurement and imaging of tissue compressibility or compliance |
04/27/1994 | CN1086016A Distance measuring system arranged to limit false indications of distance measurements |
04/26/1994 | US5306953 Rear view mirror positioning and alerting apparatus |
04/26/1994 | US5305756 Volumetric ultrasonic imaging with diverging elevational ultrasound beams |
04/26/1994 | US5305753 Method and apparatus for determining the velocity of a flowing liquid |
04/20/1994 | EP0593188A2 High resolution acoustic echo ranging system |
04/20/1994 | EP0593178A2 Improved sonar signal processor and display |
04/20/1994 | EP0592967A2 Ultrasonic tissue imaging method and apparatus with doppler velocity and acceleration processing |
04/20/1994 | EP0323968B1 Method and apparatus for measuring volume fluid flow |
04/20/1994 | CN1024310C Equipment & transmitting method for video information of coding explorer for fishes |
04/19/1994 | US5305286 Bistatic/monostatic sonar fence |
04/14/1994 | WO1994008253A1 Therapy device for destroying a target by acoustic signals featuring time reversal |
04/14/1994 | WO1994008252A1 Process for setting the transmission frequency in a distance measuring equipment working according to the echo-sounding principle |
04/14/1994 | DE4234300A1 Container-tank full sensor-indicator using ultrasonic transceiver - stores fixed and false echo profile and subtracts from received signal to determine real amt. |
04/13/1994 | EP0591368A1 Mode suppression in fluid flow measurement |
04/13/1994 | EP0510023B1 Device for detecting the presence of a vehicle by means of an ultrasonic device |
04/12/1994 | US5303208 Side looking sonar transducer |
04/12/1994 | US5303205 Vehicular distance measuring system with integral mirror display |
04/12/1994 | US5303204 Submerged object warning and logging system |
04/12/1994 | US5301674 Method and apparatus for focusing transmission and reception of ultrasonic beams |
04/12/1994 | US5301670 Ultrasonic diagnosis apparatus |
04/09/1994 | CA2082219A1 Frequency interrupt continuous transmit active sonar transmission and signal processing technique |
04/07/1994 | DE4302538C1 Ultrasonic therapy device for tumour treatment lithotripsy or osteorestoration - with ultrasonic imaging and ultrasonic treatment modes using respective acoustic wave frequencies |
04/07/1994 | DE4232254A1 Ultrasonic testing method for locating material defects - driving ultrasonic transducer with FM chirp signal with instantaneous frequency variation matched to transmission path transfer function |
04/06/1994 | EP0591061A1 Method and device for acoustic examination with time reversal |
04/06/1994 | EP0590846A2 Image processor for target detection and tracking |
04/06/1994 | EP0502867B1 Process and device for the measurement of distances in gases and liquids using ultrasonics |
04/05/1994 | US5299577 Apparatus and method for image processing including one-dimensional clean approximation |
04/05/1994 | US5299576 Ultrasonic synthetic aperture diagnostic apparatus |
03/29/1994 | US5299174 Automatic clutter elimination |
03/29/1994 | US5299173 Method and apparatus for underwater sonar scanning |
03/29/1994 | US5297552 Process for measuring the position of at least one mobile interface using ultrasound and apparatus for carrying out said process |
03/24/1994 | DE4312595A1 Collision prevention system for vehicles - uses distance sensing arrangement with ultrasound transmitter mounted on front face of vehicle. |
03/24/1994 | DE4231471A1 Receiving or processing electronic signals - passing signals through selection circuits with multiplexers whose clock frequency determine middle frequency of selection. |
03/22/1994 | USRE34566 Three-dimensional imaging system |
03/22/1994 | US5297109 Piling and pier inspection apparatus and method |
03/22/1994 | US5295485 Ultrasonic diagnostic system |
03/17/1994 | WO1994005993A2 Elastographic measurement and imaging apparatus and method |
03/17/1994 | WO1994005525A1 Vehicle alarm system |
03/17/1994 | DE4230626A1 Ultrasonic measurement of vol. flow of bulk material on conveyor belt - checking correct running and plausibility of measured values in computation of instantaneous rate and aggregate quantity. |
03/17/1994 | DE4230415A1 Ultrasonic thickness measurement system e.g. for fat and muscle - includes piezoelectric crystals and ultrasonic processing circuits for imaging of organs and different layers of tissue |
03/16/1994 | EP0299051B1 Channel adaptive active sonar |
03/15/1994 | US5295119 Proximity device |
03/15/1994 | US5295118 Synthetic aperture side-looking sonar apparatus |
03/15/1994 | US5293871 System for ultrasonically determining corneal layer thicknesses and shape |
03/15/1994 | US5293870 Method and apparatus for elastographic measurement and imaging |
03/10/1994 | DE4229817A1 Non=destructive and non-invasive ultrasonic measurement of temp. inside e.g. liver or kidney - applying pulse-contg. acoustic waveform at spaced times and comparing image echo signals e.g. by subtraction |
03/10/1994 | DE4226865A1 Ultrasonic dermatological diagnosis arrangement - contains applicator with ultrasonic transducer and image display forming hand guided diagnostic unit |
03/08/1994 | US5293351 Acoustic search device |
03/08/1994 | US5291892 Ultrasonic flow imaging |
03/03/1994 | WO1994005090A1 Identification apparatus |
03/03/1994 | WO1994001786A3 Methods and apparatus for the examination of internal organs |
03/03/1994 | DE4229079A1 Pulse echo distance measuring system, e.g. for filling level monitor - uses transmitted signal comprising discrete pulse packets with individual evaluation of received signal echo components |
03/03/1994 | DE4228794A1 Vehicle blind spot monitoring device - uses detection element and evaluation device for operating signalling device indicating presence of vehicle within blind spot zone |
03/03/1994 | CA2141838A1 Identification apparatus |
03/02/1994 | EP0585070A1 Enhancement of organ wall motion discrimination |
03/02/1994 | EP0584482A2 Method for detecting and displaying the precision of measured depth values |
03/02/1994 | EP0326574B1 Head-mounted data display |
03/01/1994 | US5291090 Curvilinear interleaved longitudinal-mode ultrasound transducers |
03/01/1994 | CA1327392C Steered linear color doppler imaging |
02/24/1994 | DE4324819A1 Security cabin enclosure for detection of persons carrying arms |
02/23/1994 | EP0583386A1 Method and apparatus for elastographic measurement and imaging |
02/22/1994 | US5287753 Continuous display of peak and mean blood flow velocities |
02/17/1994 | DE4226543A1 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 |
02/15/1994 | US5287330 Sonar apparatus |
02/15/1994 | US5287329 Doppler-effect vehicle ground speed detecting apparatus with means for adjusting frequency of generated wave |
02/15/1994 | US5285788 Ultrasonic tissue imaging method and apparatus with doppler velocity and acceleration processing |
02/10/1994 | DE4326051A1 Safety system for autonomous motor vehicle - contains detector of changes in detection region of obstruction detector eg ultrasound radar |
02/09/1994 | EP0582462A2 Ultrasonic diagnosing apparatus |
02/03/1994 | WO1994002070A1 Doppler speech generation method and apparatus |
02/01/1994 | US5282471 Ultrasonic imaging system capable of displaying 3-dimensional angiogram in real time mode |
02/01/1994 | CA1326709C Acoustic range finding system |
01/27/1994 | DE4224035A1 Ultrasound test method for flaw location - using frequency modulated chirp signal whose instantaneous frequency time characteristic is matched to transfer function of transmission path |
01/25/1994 | US5280787 Ultrasonic method and apparaus for determination of vessel location and size |
01/20/1994 | WO1994001944A1 Distance measuring system arranged to limit false indications of distance measurements |
01/20/1994 | WO1994001787A1 Vehicular distance measuring system with integral mirror display |
01/20/1994 | WO1994001786A2 Methods and apparatus for the examination of internal organs |
01/20/1994 | DE4323313A1 Medical ultrasonic diagnosis system - has ultrasonic converters arranged in specified direction in order to obtain tomographic images of inside of subject using ultrasonic waves which are transmitted from and received by probe |
01/18/1994 | US5279672 Controlled movement |
01/18/1994 | US5279302 Ultrasonic doppler blood flow measuring apparatus |
01/13/1994 | DE4320588A1 Gray scale windowing process for eg medical diagnosis - maximises use of changes in signal intensity determining windowing as function of spatial frequency |
01/11/1994 | US5278757 Synthetic aperture ultrasonic imaging system using a minimum or reduced redundancy phased array |
01/11/1994 | US5277065 Detector with ringdown frequency matching |
01/06/1994 | WO1994000052A1 Automated position translator for ultrasonic imaging probe |