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)
11/1989
11/28/1989US4883060 Device for eliminating fixed echoes for an ultrasonic echograph
11/23/1989EP0342757A2 Ultrasonic echographic apparatus with a controllable phase coherence
11/23/1989DE3535575C1 Fuze sensor for a projectile mine, and a method for use of the detonating sensor
11/21/1989US4882714 Object detecting system using ultrasonic waves
11/21/1989CA1263173A1 Method and apparatus for producing ultrasound images
11/15/1989EP0342093A1 Method for the sonar classification of undersea objects, in particular of moored mines
11/14/1989US4880010 Method of and apparatus for ultrasonic imaging
11/14/1989US4880009 Ultrasonic imaging apparatus
11/14/1989CA1262961A1 Doppler ultrasonic diagnostic apparatus
11/14/1989CA1262958A1 Ultrasonic doppler diagnostic apparatus
11/09/1989DE3813955A1 Multi-frequency ultrasonic sectional-image generator
11/08/1989EP0340953A2 Acoustic range finding system
11/07/1989US4879697 Sonar fish finder apparatus providing split-screen display
11/07/1989US4878500 Multi-beam tracking for angle error correction in speed of sound estimations
11/02/1989EP0339693A2 Ultrasonic device for examining and locating tumours provided with a device for localized hyperthermia treatment
11/02/1989EP0339087A1 Device for imaging small cavities
11/02/1989EP0339057A1 Sonic distance-measuring device
11/02/1989DE3913049A1 Ultrasound sensor system
10/1989
10/25/1989EP0338618A1 Correlation measuring apparatus for the velocity of moving organs and of blood flow
10/25/1989EP0338592A1 An ultrasonic doppler blood flow velocity detection apparatus and a method for detecting blood flow velocity
10/19/1989WO1989009941A1 Process for identifying objects
10/19/1989WO1989009923A1 System for measuring the dimensions of a workpiece
10/19/1989DE3811479A1 Verfahren zum identifizieren von objekten A method for identifying objects
10/18/1989EP0337293A1 Level measurement device
10/18/1989EP0337287A1 Echofollower for ultrasonic apparatus for measuring the position of a movable reflective surface
10/17/1989US4875198 Intrusion detection apparatus
10/17/1989US4873985 Ultrasonic imaging apparatus utilizing doppler flow metering
10/11/1989EP0336057A1 Hardware correction scheme for inter frame image jitter in a scanning probe ultrasound imaging system
10/11/1989EP0336027A1 Method and apparatus for precision ranging
10/11/1989EP0326575A4 Three-dimensional imaging system.
10/10/1989US4873676 Sonar depth sounder apparatus
10/10/1989CA1262276A1 Range-continuity anti-aliasing
10/05/1989WO1989009416A2 Ultrasonic velocity sensor
10/05/1989WO1989009399A1 An imaging method
10/04/1989EP0335578A2 Ultrasound imaging system utilizing two or more simultaneously-active apertures
10/04/1989EP0335577A2 Ultrasonic transducer system
10/03/1989US4872147 System for the control of a member for following a moving object, an automatic milking apparatus and a method for automatic milking
10/03/1989US4870971 Transmit focus generator for ultrasound imaging
09/1989
09/27/1989EP0148245B1 Method and system to measure geometric and electromagnetic characteristics of objects
09/26/1989US4870687 Oral readout rangefinder
09/26/1989US4870628 Multipulse acoustic mapping system
09/26/1989US4870626 Method for determining the position of a marine seismic receiver cable
09/26/1989US4870623 System to recognize a geometry parameter of unknown object with continuous wave acoustic energy
09/26/1989US4870559 Intelligent transducer
09/26/1989US4869287 Ultrasonically operated water faucet
09/26/1989US4869258 Intracavitary ultrasound scanner means
09/26/1989US4869257 Ultrasonic mechanical sector scanning transducer probe assembly
09/26/1989CA1260602A1 Method to improve the reproduction of images generated by a lateral sonar and device implementing said method
09/21/1989DE3907320A1 Ultraschall-untersuchungsapparat und verfahren zur korrektur eines ultraschallbildes Ultrasonic examination apparatus and method for correction of an ultrasound image
09/21/1989DE3808099A1 Method for non-touching (contact-free) measurement of the inclination of a surface by means of ultrasound
09/20/1989EP0332775A2 Improvements in or relating to minehunting systems
09/19/1989US4868797 Time-shared AGC for ultra-sound liquid level meter
09/19/1989US4868796 System for detecting the position of an object relative to a manipulator
09/19/1989US4867167 Method and apparatus for determining and displaying the absolute value of quantitative backscatter
09/14/1989DE3806847A1 Distance measuring device for non-touching (contact-free) distance measurement
09/07/1989DE3805439A1 Method for using ultrasound to monitor unauthorised entry into a room (space)
09/05/1989US4864296 System for synchronizing signals on a two-wire line
08/1989
08/29/1989US4862427 Sonar system with area moving target indicator
08/24/1989WO1989007770A1 Electronic homing device
08/24/1989DE3804073A1 Device comprising a transmitter, a receiver and a circuit arrangement for signal evaluation
08/22/1989US4860266 Method for operating a transmitting/receiving circuit and a circuit utilizing the method
08/17/1989DE3803518A1 Method for generating three-dimensional ultrasonic images
08/17/1989DE3803332A1 Acoustic location of bodies in the air
08/16/1989EP0327656A1 Ultrasonic proximity switch
08/15/1989US4858203 Omnidirectional distance measurement system
08/09/1989EP0326623A1 Procedure for detecting the position of an obstacle
08/09/1989EP0326600A1 Apparatus for measuring distances
08/09/1989EP0326575A1 Three-dimensional imaging system.
08/09/1989EP0326574A1 Head-mounted data display.
08/09/1989EP0204192B1 Circuit arrangement for registering heart beat motion
08/08/1989US4855966 Method and apparatus for monitoring bridge structures for scouring
08/08/1989US4855961 Imaging apparatus
08/03/1989DE3802159A1 Switching device
08/03/1989DE3800800A1 Method and device for distance measurement (separation measurement)
08/02/1989EP0325658A1 Ultrasonic diagnosing apparatus
08/01/1989US4853904 Apparatus for examining a moving object by means of ultrasound echography
08/01/1989US4852407 Method and apparatus for determining length of pipe utilizing sound waves
07/1989
07/27/1989DE3900223A1 Pflanzenprofil-sensor Plant profile sensor
07/26/1989EP0324731A1 A method of indicating the time of an acoustic pulse and a device for carrying out the method.
07/25/1989US4851661 Programmable near-infrared ranging system
07/25/1989US4850366 Ultrasonic diagnosis apparatus for displaying speed or correlation between speed and speed dispersion by color change
07/25/1989US4850364 Medical ultrasound imaging system with velocity-dependent rejection filtering
07/25/1989US4850362 Doppler peripheral vascular probe
07/25/1989US4850361 Ultrasonic imaging apparatus
07/25/1989US4850232 System for measuring the dimensions of a workpiece
07/25/1989US4850213 Filling level measuring device for measuring the filling level of explosive or aggressive media in a container
07/19/1989EP0323968A1 Method and apparatus for measuring volume fluid flow.
07/19/1989EP0155280B1 Body imaging using vectorial addition of acoustic reflections to achieve effect of scanning beam continuously focused in range
07/18/1989US4848354 Method and apparatus for investigating a circulatory system in living biological structures
07/13/1989WO1989006368A1 Scanning sonar system
07/12/1989EP0323875A2 Ultrasonic detector, methods for searching a moving object, ultrasonic sensor unit, element for positioning an animal, terminal apparatus for an automatic milking system, and method for automatically milking an animal
07/12/1989EP0323668A1 Ultrasonic echograph having a modified image cadence
07/11/1989US4847814 Three-dimensional borehole televiewer display
07/11/1989US4846188 Ultrasonic imaging apparatus
07/06/1989DE3742743A1 Ultrasound location system
07/04/1989US4845686 Method and device for determining the position of immersed objects with respect to the ship which tows them
07/04/1989US4845685 Digital phase-locked loop
07/04/1989US4845682 Interference avoidance device for use in a sensor system
07/04/1989US4844082 Ultrasonic examination apparatus
07/04/1989CA1256976A1 Self-diagnostic ultrasonic intrusion detection system
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