| Patents for G01S 15 - Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems (17,242) | 
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| 07/07/1998 | US5776065 Apparatus and method for controlling an ultrasound transducer array | 
| 07/02/1998 | WO1998028634A2 Detection system for determining positional and other information about objects | 
| 07/02/1998 | WO1998028631A2 Ultrasound scan conversion with spatial dithering | 
| 07/02/1998 | DE19756730A1 Operating method for ultrasound image system with field and/or array of converter elements | 
| 07/02/1998 | DE19756024A1 Bundle forming channel for ultrasound image sender | 
| 07/02/1998 | CA2275577A1 Ultrasound scan conversion with spatial dithering | 
| 07/01/1998 | EP0851241A2 Ultrasonic diagnostic imaging of response frequency differing from transmit frequency | 
| 07/01/1998 | EP0850423A1 Target prediction and collision warning system | 
| 07/01/1998 | CN1186420A Methods and apparatus for performing diagnostis and therapeutic ultrasound simultaneously | 
| 06/30/1998 | US5774422 Method of amplitude shading in the time domain to control side lobes in the frequency domain | 
| 06/25/1998 | WO1998012667A3 Wavefield imaging using inverse scattering techniques | 
| 06/24/1998 | EP0848831A1 Process and device for detecting and monitoring a partial space | 
| 06/24/1998 | CN1185837A Supersonic flaw detector and its method | 
| 06/24/1998 | CN1185308A Supersonic diagnosis imaging system having universal inlet to diagnosis infomration and image | 
| 06/23/1998 | US5771205 Buoyant transducer assembly for assisting an angler | 
| 06/23/1998 | US5771204 Apparatus and method for measuring relative phase of signals in a multiple-echo system | 
| 06/18/1998 | WO1998026310A1 Side scan sonar with synthetic antenna | 
| 06/18/1998 | WO1998026309A1 Method and device for ultrasonic ranging | 
| 06/18/1998 | DE19753508A1 Ultrasonic image generation system architecture using probe with switched transducer elements | 
| 06/17/1998 | EP0757635A4 Automotive occupant sensor system and method of operation by sensor fusion | 
| 06/16/1998 | US5767409 Phase difference measuring apparatus and method using a first and second receive signal | 
| 06/16/1998 | US5766129 Ultrasound diagnostic apparatus and method of forming an ultrasound image by the apparatus | 
| 06/16/1998 | US5765433 In a tank | 
| 06/11/1998 | WO1998025159A1 Apparatus and method for visualizing ultrasonic images | 
| 06/10/1998 | DE19650981A1 Distance measuring method e.g. for rail vehicles | 
| 06/09/1998 | US5764136 Ultrasonic detection system for safety of vehicle passengers | 
| 06/09/1998 | US5763837 Automatic biometric data system | 
| 06/09/1998 | CA2137430C Ultrasonic diagnostic apparatus | 
| 06/04/1998 | WO1998024065A1 3d imaging from 2d scans | 
| 06/04/1998 | WO1998024058A1 Enhanced image processing for a three-dimensional imaging system | 
| 06/04/1998 | WO1998023210A1 Ultrasound scanning | 
| 06/04/1998 | CA2272917A1 Ultrasound scanning | 
| 06/04/1998 | CA2269323A1 3d imaging from 2d scans | 
| 06/03/1998 | EP0845663A1 Processing echoes in ultrasonic liquid gauging systems | 
| 06/02/1998 | US5761685 Computer-implemented method | 
| 06/02/1998 | US5761629 Method and apparatus for cruise control | 
| 06/02/1998 | US5761155 Method for determining the position of an object relative to the background with ultrasound | 
| 06/02/1998 | US5759153 Automated longitudinal position translator for ultrasonic imaging probes, and methods of using same | 
| 06/02/1998 | US5758649 Ultrasonic module and ultrasonic diagnostic system | 
| 05/27/1998 | EP0844581A2 Ultrasonic diagnostic imaging system with data access and communications capability | 
| 05/27/1998 | EP0844496A2 Three dimensional ultrasonic diagnostic image rendering from tissue and flow images | 
| 05/27/1998 | EP0844116A1 Air spring system for a motor vehicle | 
| 05/27/1998 | EP0689679B1 Process for recognizing and discriminating between useful and interfering echos in the reception signal of distance sensors working according to the pulse-echo principle | 
| 05/26/1998 | US5758298 Autonomous navigation system for a mobile robot or manipulator | 
| 05/22/1998 | WO1998015930A3 Device for detecting the intrusion of a body in a predetermined space | 
| 05/21/1998 | CA2221908A1 Ultrasonic diagnostic imaging system with data access and communications capability | 
| 05/20/1998 | EP0842638A2 Ultrasonic diagnostic imaging system with real time volume flow calculation | 
| 05/20/1998 | EP0564456B1 Supersonic bone conduction hearing aid and method | 
| 05/20/1998 | CN1182357A Ultrasonic diagnostic device | 
| 05/19/1998 | US5754495 Method for acoustic determination of the length of a fluid conduit | 
| 05/19/1998 | US5754123 Hybrid ultrasonic and radar based backup aid | 
| 05/14/1998 | WO1998020364A1 Method of measuring, from a vehicle, distances as a function of vehicle data | 
| 05/14/1998 | WO1998020361A1 Finite amplitude distortion-based inhomogeneous pulse echo ultrasonic imaging | 
| 05/14/1998 | WO1998020360A1 Method and apparatus for ultrasound image reconstruction | 
| 05/14/1998 | WO1998019603A1 Measurement of volumetric fluid flow and its velocity profile | 
| 05/14/1998 | CA2270534A1 Measurement of volumetric fluid flow and its velocity profile | 
| 05/13/1998 | EP0707453A4 Ultrasonic apparatus and method for intravascular imaging | 
| 05/12/1998 | US5750895 Method and apparatus for dual amplitude dual time-of-flight ultrasonic imaging | 
| 05/07/1998 | WO1998019139A1 Method and apparatus for the sonic measurement of sludge and clarity conditions during the treatment of waste water | 
| 05/07/1998 | DE19645339A1 Verfahren zur von den Fahrzeugdaten abhängigen Abstandsmessung aus einem Fahrzeug Method for dependent on the vehicle distance measurement data from a vehicle | 
| 05/07/1998 | CA2270398A1 Method and apparatus for the sonic measurement of sludge and clarity conditions during the treatment of waste water | 
| 05/06/1998 | EP0840139A1 Processing method for signals from objects having moving parts and echographic device carrying out the method | 
| 05/06/1998 | EP0839497A1 A method for measuring volumetric fluid flow and its velocity profile in a lumen or other body cavity | 
| 05/05/1998 | US5748473 Automatic vehicle seat adjuster | 
| 04/30/1998 | WO1998018061A1 Digital time interval measurement engine for a time of flight system | 
| 04/30/1998 | WO1998018020A1 Method for measuring the doppler shift in a sensor system using ambiguous codes | 
| 04/30/1998 | DE4345221C2 Phased array image system | 
| 04/30/1998 | DE19549527A1 Sound signal reception method especially for short sound pulses | 
| 04/29/1998 | EP0748454B1 Method of determining the position of an object relative to the background using ultrasonics | 
| 04/28/1998 | US5745442 Digital time interval measurement engine for a time of flight system | 
| 04/28/1998 | US5745437 Method and apparatus for coherent burst ranging | 
| 04/28/1998 | US5745224 Distance measurement device | 
| 04/28/1998 | US5743266 Method for processing real-time contrast enhanced ultrasonic images | 
| 04/23/1998 | DE19716680C1 Ultrasonic measurement of distance and speed of objects esp. intelligent ultrasound movement indicator | 
| 04/23/1998 | DE19700966C1 Device for contactless distance and pressure measurement in a pneumatic spring | 
| 04/22/1998 | EP0837342A1 Ultrasonic sensor and obstruction detector having accurate obstruction detection capabilities | 
| 04/22/1998 | EP0836420A1 Methods and apparatus for performing diagnostic and therapeutic ultrasound simultaneously | 
| 04/22/1998 | EP0836408A1 Apparatus and method for measuring tympanic displacement | 
| 04/21/1998 | US5740806 Dynamic receive aperture transducer for 1.5D imaging | 
| 04/16/1998 | WO1998015930A2 Device for detecting the intrusion of a body in a predetermined space | 
| 04/16/1998 | WO1998015847A1 Method for assessing the measuring accuracy of a sensor designed to measure the distance on an off-line mobile system | 
| 04/16/1998 | WO1998015846A1 Two-dimensional array transducer and beamformer | 
| 04/15/1998 | EP0836081A2 Measuring and display device for a fluid container | 
| 04/15/1998 | EP0835643A2 Sonic therapy | 
| 04/15/1998 | EP0835460A2 Improved optical ranging camera | 
| 04/15/1998 | EP0835459A1 System and device for a self orienting device | 
| 04/15/1998 | EP0835458A2 Portable ultrasound imaging system | 
| 04/14/1998 | US5740128 Ultrasonic harmonic imaging system and method | 
| 04/09/1998 | WO1998014119A1 Method and device for determining the compliance and the blood pressure of an artery by ultrasonic echography | 
| 04/09/1998 | DE19637702A1 Person and object location system e.g. for taxis | 
| 04/08/1998 | EP0834750A2 Method and apparatus for forming ultrasonic three-dimensional images using cross array | 
| 04/08/1998 | EP0834424A1 Monitoring device of blind and visible zones around vehicles | 
| 04/08/1998 | EP0834172A1 Towed acoustic transmitter | 
| 04/08/1998 | EP0834086A1 Fmcw distance measurement process | 
| 04/08/1998 | EP0834085A1 Ultra-sound area surveillance system | 
| 04/07/1998 | US5737245 Distance measurement device | 
| 04/07/1998 | US5737058 Eye examination apparatus using ultrasonic wave radiation | 
| 04/07/1998 | US5735797 Method and apparatus for combining topographic flow power imagery with a B-mode anatomical imagery | 
| 04/07/1998 | US5735282 Flexible ultrasonic transducers and related systems | 
| 04/02/1998 | WO1998013705A1 Device for measuring the velocity of a variety of objects |