| Patents for G01S 15 - Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems (17,242) |
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| 01/04/1994 | CA1325841C Monitoring equipment for the safety devices used in vehicles when driving in reverse |
| 01/04/1994 | CA1325729C Method and apparatus for monitoring bridge structures for scouring |
| 12/28/1993 | US5274607 Pool monitor |
| 12/28/1993 | US5274328 Temperature compensation for magnetostrictive position detector |
| 12/23/1993 | WO1993025241A1 Use of microcapsules as contrasting agents in colour doppler sonography |
| 12/22/1993 | EP0574925A2 Ultrasonic wave reception apparatus and obstacle detection apparatus |
| 12/22/1993 | CN2149882Y Multi-function myopia-preventing device |
| 12/21/1993 | US5271404 Method and apparatus for processing signal data to form an envelope on line |
| 12/16/1993 | DE4219724A1 Verwendung von Mikrokapseln als Kontrastmittel für die Farbdoppler-Sonographie Use of the microcapsules as a contrast agent for the color Doppler ultrasonography |
| 12/15/1993 | EP0574096A1 Head-mounted display system |
| 12/15/1993 | EP0573431A1 Acoustic doppler current profiler. |
| 12/15/1993 | CN2149609Y Gas medium ultrasonic energy-exchanger |
| 12/14/1993 | US5269309 Synthetic aperture ultrasound imaging system |
| 12/14/1993 | US5269307 Medical ultrasonic imaging system with dynamic focusing |
| 12/09/1993 | WO1993024874A1 Self-propelled device and process for exploring an area with the device |
| 12/08/1993 | EP0573249A1 Continuous display of peak and mean blood flow velocities |
| 12/08/1993 | EP0573034A2 Method and apparatus for distance measurement using the transit time of pulses |
| 12/02/1993 | DE4218041A1 Ultrasonic pulse echo detector e.g for collision prevention in driverless vehicle - has functional monitoring transducer which evaluates pulse emitted by working transducer and returns standard pulse to it for amplitude check |
| 11/30/1993 | US5267219 Acoustic range-finding system |
| 11/25/1993 | WO1993023799A1 A control system for gates |
| 11/24/1993 | EP0570998A2 Ultrasonic diagnostic apparatus |
| 11/23/1993 | US5263483 Beam former for ultrasonic diagnostic apparatus |
| 11/18/1993 | DE4216082A1 Maritime Doppler ultrasonic echo velocity correction by filtering - allowing for time constant of Doppler log in LP filter introducing difference signal for multiplication by vessel-specific coefft. |
| 11/16/1993 | US5263006 Device and process for detecting the presence of a vehicle by means of an ultrasonic device |
| 11/16/1993 | US5261407 Ultrasonic doppler blood-flow meter |
| 11/16/1993 | US5261280 Tissue signature tracking transceiver |
| 11/11/1993 | WO1993017622A3 Transaxial compression technique for sound velocity estimation |
| 11/11/1993 | WO1993015931A3 Motor vehicle display system and ranging device |
| 11/11/1993 | DE4215272A1 Transmitter, receiver and circuit for photoelectric intruder detection - evaluates time difference between zero-crossings of signals from photodetector output shaper and modulation-oscillator-driven Schmitt trigger |
| 11/09/1993 | US5260912 Side-looking fish finder |
| 11/09/1993 | US5260910 High resolution acoustic pulse-echo ranging system |
| 11/09/1993 | CA1324208C System for detecting surrounding environmental conditions using a multiple number of incoming signals |
| 11/04/1993 | DE4231733A1 3=D measurement of surfaces during construction of underground concrete walls |
| 11/02/1993 | US5258922 Process and device for determining of surface structures |
| 11/02/1993 | US5257629 Methods and apparatus for the examination and treatment of internal organs |
| 11/02/1993 | US5257545 Method and apparatus to monitor check valves |
| 10/28/1993 | WO1993021590A1 Improved clutter elimination |
| 10/27/1993 | EP0566705A1 Ultrasonic ranging devices. |
| 10/26/1993 | US5256908 Facility space data logging device |
| 10/26/1993 | US5255683 Methods of and systems for examining tissue perfusion using ultrasonic contrast agents |
| 10/26/1993 | US5255682 Ultrasonic diagnostic imaging systems with scanhead indicators |
| 10/26/1993 | US5255681 Ultrasonic wave diagnosing apparatus having an ultrasonic wave transmitting and receiving part transmitting and receiving ultrasonic waves |
| 10/20/1993 | EP0565570A1 Thickness and flaw detection using time mapping into memory technique |
| 10/19/1993 | US5253530 Method and apparatus for reflective ultrasonic imaging |
| 10/14/1993 | WO1993020412A1 Ultrasonic distance measuring device |
| 10/14/1993 | WO1993019673A1 Method and apparatus for ultrasonic beam focusing |
| 10/14/1993 | DE4311686A1 Ultrasonic Doppler radar velocimeter for motor vehicle - has subroutines stored in read-only memory for detecting abnormal readings for speed differences and receiver output levels |
| 10/13/1993 | EP0564456A1 Supersonic bone conduction hearing aid and method |
| 10/12/1993 | US5253220 Fish finder |
| 10/12/1993 | US5252950 Display with rangefinder |
| 10/07/1993 | DE4310354A1 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 |
| 10/05/1993 | US5251186 Preprocessor and adaptive beamformer for linear-frequency modulation active signals |
| 10/05/1993 | US5251185 Sonar signal processor and display |
| 10/05/1993 | US5249578 Ultrasound imaging system using finite impulse response digital clutter filter with forward and reverse coefficients |
| 10/05/1993 | US5249577 Ultrasonotomography |
| 10/01/1993 | CA2064493A1 Sonar device |
| 09/30/1993 | WO1993019385A1 A device for and method of surveillance of a space |
| 09/29/1993 | EP0562634A1 Ultrasonic diagnosis apparatus utilizing Doppler technique |
| 09/29/1993 | EP0562004A1 Multi-dimensional data processing and display |
| 09/29/1993 | EP0394299B1 Transducer device for acoustic log |
| 09/29/1993 | CN2142804Y Front or rear-distance measuring device for automobile |
| 09/28/1993 | US5247937 Transaxial compression technique for sound velocity estimation |
| 09/21/1993 | US5247302 Entropy-based signal receiver |
| 09/21/1993 | US5246006 Apparatus for ultrasonic color flow mapping |
| 09/21/1993 | CA1322400C Ultrasonic detector |
| 09/16/1993 | WO1993017622A2 Transaxial compression technique for sound velocity estimation |
| 09/15/1993 | CN1022135C Method and apparatus for Fourier processing of pulsed doppler signals |
| 09/14/1993 | US5245587 Multi-dimensional signal processing and display |
| 09/14/1993 | US5243988 Intravascular imaging apparatus and methods for use and manufacture |
| 09/09/1993 | DE4207031A1 Fluid or particle flow measuring device |
| 09/08/1993 | EP0559419A1 Phased array ultrasonic beam forming using oversampled A/D converters |
| 09/08/1993 | EP0396579B1 Process and device for measuring distances by means of pulse transit times |
| 09/07/1993 | USH1231 Antiship torpedo defense system |
| 09/07/1993 | US5243564 Doppler-effect vehicle ground-speed detecting apparatus having means for detecting vehicle body inclination |
| 09/02/1993 | WO1993017353A1 Method for stabilizing and forming channels for sonar, and sonar used to implement such method |
| 09/01/1993 | EP0557317A1 A method of measuring the forming process of a fibre web within the web forming section of a paper machine |
| 08/31/1993 | US5241515 Method and device for determining variations in the position of a movable object by means of ultrasound |
| 08/31/1993 | US5241473 Ultrasonic diagnostic apparatus for displaying motion of moving portion by superposing a plurality of differential images |
| 08/31/1993 | US5240004 Intravascular, ultrasonic imaging catheters and methods for making same |
| 08/26/1993 | DE4205360A1 Measuring gauge for determining jaw bone width - passes ultrasonic shock waves through jaw between 2 opposing measuring heads attached to respective clamp arms fitted either side of jaw bone. |
| 08/25/1993 | EP0557127A2 Intravascular imaging guide wire apparatus and methods for use and manufacture |
| 08/25/1993 | EP0556289A1 Surface feature mapping using high resolution c-scan ultrasonography |
| 08/25/1993 | EP0556257A1 Method and apparatus for breast imaging |
| 08/24/1993 | US5239516 Ultrasonic ground speedometer utilizing doppler effect of ultrasonic waves |
| 08/24/1993 | US5239515 Error-eliminating rapid ultrasonic firing |
| 08/24/1993 | US5239139 Ultrasonic digitizer pen having integrated ultrasonic transmitter and receiver |
| 08/19/1993 | WO1993016399A1 Underwater detector |
| 08/19/1993 | WO1993016398A1 Process for frequency diversity detection of an underwater target |
| 08/19/1993 | WO1993015931A2 Motor vehicle display system and ranging device |
| 08/19/1993 | WO1993015659A1 Ultrasonic diagnostic apparatus |
| 08/19/1993 | WO1993012444A3 Synthetic aperture ultrasound imaging system |
| 08/18/1993 | EP0423153B1 Process and device for ultrasonic measurement of transit time in liquids or solids by the pulse reflection method |
| 08/17/1993 | US5237541 Platform carried bistatic sonar |
| 08/17/1993 | US5235983 Ultrasonic imaging apparatus |
| 08/17/1993 | US5235857 Real time 3D imaging device using filtered ellipsoidal backprojection with extended transmitters |
| 08/11/1993 | EP0554732A1 Sensing apparatus |
| 08/10/1993 | US5235559 Method and apparatus for determining bedload thickness employing standing wave measurements |
| 08/10/1993 | US5235558 For use in water |
| 08/10/1993 | US5235511 Method for automatic depth control for earth moving and grading |
| 08/10/1993 | US5235316 Vehicle collision avoidance system |