| Patents for G01S 15 - Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems (17,242) |
|---|
| 04/10/1990 | US4915115 Ultrasonic imaging apparatus for displaying B-mode and Doppler-mode images |
| 04/10/1990 | US4915114 Shock wave source having central locating system & disposed in a cavity free of shock waves |
| 04/10/1990 | US4914951 Apparatus for remote distance measurement |
| 04/10/1990 | EP0339087A4 Apparatus and method for imaging small cavities. |
| 04/10/1990 | CA1267719A1 Device for examining moving objects by means of ultrasound echography |
| 04/07/1990 | CA2000270A1 Intrusion detection apparatus |
| 04/04/1990 | EP0361945A2 Measuring doppler velocity |
| 04/04/1990 | EP0361610A1 Echographic apparatus for measuring the transversal speed of moving organs and the blood flow |
| 04/04/1990 | EP0361606A1 Apparatus for processing an echographic signal |
| 04/04/1990 | EP0361466A2 Active phase quieting target highlight detector |
| 04/04/1990 | EP0361264A1 Digital input part for an ultrasonic apparatus |
| 04/03/1990 | US4914640 Signal processing device |
| 04/03/1990 | US4914639 Sonar doppler system with a digital adaptive filter |
| 04/03/1990 | US4914638 Doppler effect speedometer |
| 04/03/1990 | US4914593 Method for automatic depth control for earth moving and grading |
| 04/03/1990 | US4913159 Method for determining blood flow through a narrowed orifice using color doppler echocardiography |
| 03/28/1990 | EP0359839A1 Synchronous Demodulator |
| 03/27/1990 | US4912685 Side looking sonar apparatus |
| 03/27/1990 | US4911171 Ultrasonic blood flow imaging apparatus |
| 03/22/1990 | WO1990002958A1 Underwater detector |
| 03/22/1990 | WO1990002517A1 Ultrasonic process and circuits |
| 03/21/1990 | EP0359130A2 Steered linear color doppler imaging |
| 03/20/1990 | US4910717 Apparatus for measuring distances |
| 03/20/1990 | US4910706 Analog memory for storing digital information |
| 03/20/1990 | US4910512 Monitoring equipment for the safety devices used in vehicles when driving in reverse |
| 03/20/1990 | US4910464 Proximity detector |
| 03/15/1990 | DE3830584A1 Ultrasonic tomography device |
| 03/15/1990 | DE3830583A1 Ultrasonic imaging device |
| 03/14/1990 | EP0358249A2 Method and apparatus for fourier processing of pulsed doppler signals |
| 03/13/1990 | US4908774 System for ultrasonic examination |
| 03/08/1990 | WO1990002346A1 Ultrasonic transducer and method |
| 03/07/1990 | EP0357164A1 Ultrasonic method and circuitries for carrying out same |
| 03/07/1990 | EP0356629A1 Echo receiving and tracking device for ultrasound position measurement of a movable wall |
| 03/06/1990 | US4907136 Echo location system for vision-impaired persons |
| 03/06/1990 | US4906425 Methods to obtain corrected impressions of feet so as to produce corrective soles |
| 02/28/1990 | EP0355669A2 Underwater position-determining device |
| 02/28/1990 | EP0355490A2 Collision-warning device for motor vehicles |
| 02/28/1990 | EP0355175A1 Apparatus for the contactless disintegration of concrements in the body of a living being |
| 02/28/1990 | EP0355161A1 Ultrasonic diagnostic apparatus |
| 02/27/1990 | US4905208 Distance detecting apparatus |
| 02/27/1990 | US4905207 Measuring distances using a plurality of frequencies |
| 02/27/1990 | US4905206 Ultrasonic doppler flow meter |
| 02/27/1990 | US4905009 Distance measuring device |
| 02/27/1990 | CA1266322A1 Ultrasonic blood flow imaging apparatus |
| 02/21/1990 | CN1039902A Method and apparatus for fourier processing of pulsed doppler signals |
| 02/20/1990 | US4903246 For a vessel |
| 02/20/1990 | US4903004 All-weather digital distance measuring and signalling system |
| 02/15/1990 | DE3826138A1 Ultrasonic tomography device |
| 02/13/1990 | US4901291 Wrist watch type receiver of fish sonar |
| 02/08/1990 | DE3826139A1 Ultrasonic tomography device |
| 02/06/1990 | EP0323968A4 Method and apparatus for measuring volume fluid flow. |
| 01/30/1990 | US4896674 Ultrasonic diagnosing system |
| 01/30/1990 | US4896672 Hardware corection scheme for inter-frame image jitter in a scanning probe ultrasound imaging system |
| 01/25/1990 | WO1990000745A1 Process and device for ultrasonic measurement of transit time in liquids or solids by the pulse reflection method |
| 01/25/1990 | WO1990000729A1 Multi-beam tracking for angle error correction in speed of sound estimations |
| 01/25/1990 | WO1989009416A3 Ultrasonic velocity sensor |
| 01/24/1990 | EP0351807A1 Method of collision prevention for automatic vehicles, especially in driverless transport systems |
| 01/23/1990 | US4896304 Object detecting system using ultrasonic waves |
| 01/23/1990 | US4896260 Data processor having integrated circuit memory refresh |
| 01/23/1990 | US4894952 Movable door |
| 01/16/1990 | US4894810 Method and a device for measuring a distance by means of ultrasonic pulses |
| 01/16/1990 | US4893629 Ultrasonic medical imaging apparatus having a polyvinylidene fluoride transducer |
| 01/11/1990 | WO1990000033A1 Doppler system flow velocity distribution measuring apparatus |
| 01/11/1990 | DE3822699A1 Verfahren und vorrichtung zur laufzeitmessung mittels ultraschall in fluessigen oder festen materialien nach der impuls-reflexionsmethode Method and device for run-time measurement using ultrasound in liquid or solid materials according to the pulse-reflection method |
| 01/10/1990 | EP0349587A1 Velocity reference system |
| 01/10/1990 | CN1038703A Ultrasonic echograph with controllable phase coherence |
| 01/09/1990 | US4893287 Velocity reference system |
| 01/09/1990 | US4893286 System and method for preprocessing and transmitting echo waveform information |
| 01/09/1990 | US4893283 Echo ultrasound system with an improved image sequence rate |
| 01/09/1990 | US4892103 Ultrasonic scanning pulse-generating apparatus |
| 01/04/1990 | DE3821577A1 Method and device for obstruction identification using ultrasound range measurement |
| 01/03/1990 | EP0349321A1 Method and apparatus for determining and displaying the absolute value of quantitative backscatter |
| 01/03/1990 | EP0349132A1 Method for automatic depth control for earth moving and grading |
| 01/02/1990 | US4891796 Icing preventive device for ultrasonic wave transmitting and receiving unit for vehicle |
| 12/27/1989 | EP0348289A1 Device for detecting and measuring particles precipitating in a liquid by the use of echography |
| 12/26/1989 | US4890266 Acoustic range finding system |
| 12/20/1989 | EP0346890A1 Ultrasonic bloodflow velocity detector |
| 12/20/1989 | EP0346889A1 Ultrasonic diagnostic apparatus |
| 12/20/1989 | EP0346687A1 Method of suppressing interference in ultrasonic distance measurement |
| 12/20/1989 | EP0346515A1 Method and apparatus for determining the time of arrival of a sound pulse |
| 12/19/1989 | US4888744 Pulsed directional doppler frequency domain output circuit |
| 12/19/1989 | US4888720 Tunnel measuring apparatus and method |
| 12/19/1989 | US4888694 Ultrasound imaging system for relatively low-velocity blood flow at relatively high frame rates |
| 12/19/1989 | US4888585 Information signal transmitting device |
| 12/19/1989 | US4888086 Ultrasonic method |
| 12/14/1989 | WO1989012236A1 Method for determining the position of seismic streamers in a reflection seismic measuring system |
| 12/13/1989 | EP0346044A1 Method for automatic depth control for earth moving and grading |
| 12/13/1989 | EP0346043A1 Method for automatic depth control for earth moving and grading |
| 12/13/1989 | EP0345960A1 An ultrasonic doppler blood flow velocity detection apparatus |
| 12/13/1989 | EP0345852A1 Ultrasonic echograph with reduced interference noise |
| 12/12/1989 | US4887306 Adaptive temporal filter for ultrasound imaging system |
| 12/12/1989 | US4887246 Ultrasonic apparatus, system and method |
| 12/12/1989 | US4886069 Method of, and apparatus for, obtaining a plurality of different return energy imaging beams responsive to a single excitation event |
| 12/06/1989 | EP0187866B1 Surface ultrasonic wave interference microscope |
| 12/05/1989 | US4884448 Ultrasonic doppler meter |
| 11/30/1989 | DE3900218C1 Height sensor device for a control circuit for controlling the height of a blade |
| 11/30/1989 | DE3816615A1 Alarm devices by means of ultrasonic distance measurement |
| 11/29/1989 | EP0343969A2 Ultrasound diagnostic equipment |
| 11/28/1989 | US4884246 Method and apparatus for reflection mode imaging |
| 11/28/1989 | US4884008 Auto-adjustable operating room light |