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)
12/1990
12/18/1990US4977778 Check valve testing system
12/18/1990CA1278085C Method and device for locating submerged objects in relationship to a towing ship
12/13/1990DE3919091A1 Alarm arrangement with signal device generating signal when required - i.e. when distance between warning and monitoring device exceeds threshold value
12/11/1990US4976149 Ultrasonic distance sensor and monitoring of surface profile utilizing ultrasonic distance sensor
12/11/1990CA1277759C Method and apparatus for the generation and transmission of signals for echo location and other signaling purposes, particularly in geophysical exploration
12/11/1990CA1277749C High resolution imaging doppler interferometer
12/05/1990EP0400919A2 Hydroacoustic sonar equipment and method
12/05/1990EP0400688A2 Ultrasonic flow-control system
12/05/1990CN1010712B Processing of reflected signals
12/04/1990US4975888 Mine neutralization system
12/04/1990US4975887 Bistatic side scan sonar
12/04/1990US4975885 Digital input stage for an ultrasound apparatus
12/04/1990US4974558 Ultrasonodiagnostic tomography apparatus
12/03/1990WO1990015344A1 Distance measurement device
12/03/1990CA2033343A1 Distance measurement device
11/1990
11/29/1990WO1990014601A1 Methods and apparatus for the examination and treatment of internal organs
11/28/1990CN1047202A Device for measuring speed of blood flows by ultrasonic echography at increased measuring speed
11/27/1990US4974215 Loading dock range finding system
11/27/1990US4974213 Passive active underwater sound detection apparatus
11/27/1990US4974211 Digital ultrasound system with dynamic focus
11/27/1990US4973837 Proximity detectors with dual-speed tracking circuitry
11/27/1990US4972838 Ultrasonic diagnostic apparatus
11/27/1990CA1277022C Method and apparatus for measuring volume fluid flow
11/22/1990DE3916396A1 Real=time compound array for ultrasonic tomography - uses step-wise array displacement for reception along straight line
11/20/1990US4972387 High information rate catacoustic system
11/20/1990US4972386 Filling level meter
11/20/1990CA1276716C Ultrasonic mechanical sector scanning transducer probe assembly
11/20/1990CA1276603C Method and apparatus for target plant foliage sensing and mapping and related materials application control
11/14/1990EP0397547A1 Avoidance sonar for subsurface under water objects
11/14/1990EP0397221A2 The processing of reflected signals
11/14/1990EP0252971B1 System for marine seismic exploration
11/13/1990US4970700 Sonar apparatus
11/10/1990CA2016373A1 Subsea subsurface objects anticollision sonar
11/07/1990EP0396361A2 Ultrasonic linear meter sensor for positive displacement meter
11/06/1990US4967860 Process and apparatus for locating an obstacle
11/03/1990CA2015486A1 Ultrasonic linear meter sensor for positive displacement meter
11/01/1990WO1990013107A1 System for ultrasonic pan focal imaging and axial beam translation
10/1990
10/31/1990EP0395000A2 Ultrasonic ground speedometer utilizing doppler effect
10/31/1990EP0394940A2 Ultrasonic ground speedometer utilizing doppler effect
10/31/1990EP0394428A1 Process and device for measuring a two-dimensional reflective structure.
10/31/1990EP0394299A1 Transducer device for acoustic log.
10/30/1990US4967359 Automotive suspension control system with road-condition-dependent damping characteristics
10/30/1990US4966153 Ultrasonic doppler blood flow velocity detection apparatus and a method for detecting blood flow velocity
10/30/1990US4966151 Ultrasonic diagnostic apparatus
10/30/1990US4966150 Echo tracking system for apparatus for ultrasonic measurement of the position of a mobile wall
10/24/1990EP0393269A1 Range-Finding Apparatus
10/24/1990EP0393225A1 Ultrasonic detection with an ultrasonic beam directed transversely to a vehicle's direction of movement
10/23/1990US4964302 Tactile sensor
10/23/1990US4964295 Bore mapping and surface time measurement system
10/16/1990US4964104 System for measuring position using electronic or ultrasonic devices
10/16/1990US4962754 Shock wave treatment apparatus
10/16/1990US4962667 Ultrasonic imaging apparatus
10/16/1990CA1275322C Three-dimensional imaging system
10/16/1990CA1275321C Bidirectional acoustical measuring device
10/10/1990EP0222913B1 Image diagnosing apparatus
10/09/1990US4961427 Ultrasonic doppler diagnostic apparatus
10/04/1990WO1990011494A1 Process and device for real-time spectral analysis of complex unsteady signals
10/03/1990CN1045865A Range finder for car rear obstacle
10/02/1990US4961174 High data rate continuous wave towed sonar
10/02/1990US4961173 Control sensor for a construction machine
10/02/1990US4961039 Moving object detecting device
10/02/1990US4959998 Ultrasonic imaging apparatus
10/02/1990CA1274902A1 Ultrasonic reflex transmission imaging method and apparatus with external reflector
10/02/1990CA1274773A1 Contrast agents for ultrasonic imaging and method of use
09/1990
09/26/1990EP0388438A1 Measurement of corrosion with curved ultrasonic transducer; rule-based processing of full echo waveforms; preprocessing and transmitting echo waveform information
09/25/1990US4959817 Intruder target monitoring sonar alarm system
09/25/1990US4958639 Ultrasonic therapeutical apparatus
09/20/1990WO1990010865A1 Acoustic microscope surface inspection system and method
09/20/1990DE3908648A1 Presentation of ultrasonic images
09/20/1990DE3908069A1 Device and circuit arrangement for measuring, recording and displaying the speed of a moving object, for example a vehicle
09/20/1990DE3907296A1 Device and method for range measurement
09/19/1990EP0388316A2 A sonic well tool transmitter and receiver array including an attenuation and delay apparatus
09/19/1990EP0388215A2 Dynamically variable digital delay
09/18/1990US4958330 Wide angular diversity synthetic aperture sonar
09/18/1990CA1274298A1 Apparatus and method for locating towed siesmic floats
09/12/1990EP0386936A1 Echogenic devices
09/12/1990EP0386058A1 Methods and apparatus for the examination and treatment of internal organs
09/12/1990EP0276205B1 System for ultrasonic examination
09/11/1990US4955386 Pulse doppler flow speed meter
09/06/1990DE3906627A1 Method and arrangement for area monitoring (room monitoring) using the pulse-echo method
09/04/1990US4955002 Vibratory, time variant, pseudorandom sonar system
09/04/1990US4955000 Ultrasonic personnel location identification system
09/04/1990US4954999 Double phase-lock-loop sonar
09/04/1990US4954951 System and method for increasing memory performance
08/1990
08/30/1990DE3906287A1 Method for disturbance-free (interference-free, defect-free) ultrasound detection of objects having a highly reflective surface
08/29/1990EP0135563B1 Ultrasonic imaging technique
08/28/1990US4953147 Measurement of corrosion with curved ultrasonic transducer, rule-based processing of full echo waveforms
08/28/1990US4953145 Active phase quieting target highlight detector
08/28/1990US4953143 Multiple frequency synthetic aperture sonar
08/28/1990US4953141 Sonic distance-measuring device
08/28/1990US4951963 For protecting a passenger of a motor vehicle
08/28/1990US4951676 Ultrasonic echography device with reduced interference noise
08/23/1990WO1990009336A1 Sensing arrangement in connection with spreaders
08/22/1990EP0383270A2 Ultrasonic imaging system
08/21/1990US4951268 Method for the sonar classification of underwater objects, notably moored mines
08/21/1990CA1273098A1 Dynamic air gap measuring device for use with rotating electrical machinery
08/18/1990WO1990009600A1 Method for increasing the image rate of a sonar and sonar for implementing such method
08/18/1990CA2046273A1 Method for increasing the image rate of a sonar and sonar using said method
08/14/1990US4949321 Ultrasound echo profile sensor used as tactile sensor
08/14/1990US4949318 Hydroacoustic sonar equipment
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