Patents for G01S 15 - Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems (17,242)
06/1989
06/29/1989WO1989005985A1 Velocity reference system
06/27/1989US4843597 System for marine seismic exploration
06/27/1989US4843464 Device for automatic sensing of televiewing distance
06/21/1989EP0321146A2 Apparatus and method for sensing acoustic reflections
06/21/1989EP0320695A1 Non-contact distance measurement device
06/20/1989US4841492 Apodization of ultrasound transmission
06/20/1989US4841489 Method of imaging an object by ultrasonic or electromagnetic waves
06/20/1989US4840180 Ultrasonic diagnosis apparatus for measurement of speed of moving medium in a living body
06/15/1989WO1989005461A1 Process and device for measuring distances by means of pulse transit times
06/15/1989WO1989005243A1 Process for adjusting wheel suspensions
06/15/1989DE3741338A1 Apparat und verfahren zur elektronischen distanzvermessung mit hilfe der laufzeitbestimmung von wellenfoermigen impulsen And procedures for electronic distance measurement with the help of the term intended impulses apparatus of wellenfoermigen
06/15/1989DE3741259A1 Method and device for the autonomous steering of a vehicle
06/15/1989DE3740792A1 Verfahren zur fahrwerksregelung Method for chassis control
06/14/1989EP0320461A2 Tunnel measuring method and apparatus
06/13/1989US4839873 Subsea acoustic relocation system
06/13/1989US4839652 Method and apparatus for high speed digital phased array coherent imaging system
06/13/1989US4839039 Automatic flow-control device
06/13/1989US4838207 Implement for and a method of milking an animal
06/13/1989CA1255779A1 Ultrasonic flow-control system
06/06/1989US4837754 Ultrasonic wave phase matching apparatus
06/06/1989US4837749 Ultrasonic imaging system for obtaining zoom video images of an object
06/06/1989US4837578 Apparatus and method for range detection using the analytic signal identified from the received signal
06/06/1989US4837574 Near-field monostatic intrusion detection system
06/01/1989WO1989004975A1 Transducer device for acoustic log
05/1989
05/30/1989US4835689 Adaptive coherent energy beam formation using phase conjugation
05/30/1989US4835519 Detecting apparatus using ultrasonic waves
05/23/1989US4833469 Obstacle proximity detector for moving vehicles and method for use thereof
05/23/1989US4831874 Paradac wind measurement system
05/18/1989WO1989004497A1 Measurement of corrosion with curved ultrasonic transducer; rule-based processing of full echo waveforms; preprocessing and transmitting echo waveform information
05/18/1989WO1989004266A1 Electronic bar-graph digital distance read-out monitor
05/18/1989WO1989004143A1 Apparatus and method for imaging small cavities
05/18/1989WO1989004142A1 Methods and apparatus for the examination and treatment of internal organs
05/17/1989EP0316200A2 Medical ultrasound imaging system
05/16/1989US4831604 Ultrasonic range finding
05/16/1989US4831602 Simultaneous coherent and incoherent processor for sonar signals
05/16/1989US4831601 Apparatus for transmitting and receiving ultrasonic signals
05/16/1989US4831598 Picture display apparatus
05/16/1989US4831565 Process control equipment for adverse environments
05/16/1989US4830016 Ultrasonic diagnosis apparatus
05/09/1989US4829493 Sonar fish and bottom finder and display
05/09/1989CA1253956A1 Method and apparatus for automatically applying a milking cluster
05/02/1989CA1253612A1 Processing of reflected signals
04/1989
04/26/1989EP0312849A1 Supervisory apparatus for sensors, particularly ultra sonic sensors for supervising reversing vehicles
04/26/1989EP0312848A1 Shock wave source with a centrally disposed position determination system
04/26/1989EP0312847A1 Shock wave source incorporating a central ultrasonic position determination system
04/26/1989EP0312845A1 Monitoring device for reversing vehicles
04/26/1989EP0120040B1 Ultrasonic measurement
04/25/1989US4825364 Monolithic data processor with memory refresh
04/19/1989EP0312059A1 Ultrasonic diagnostic apparatus
04/19/1989CN1032459A Method for removing doppler phase dispersion from seismic data
04/18/1989US4823268 Method and apparatus for target plant foliage sensing and mapping and related materials application control
04/18/1989US4821849 Control method and means for vibration attenuating damper
04/18/1989US4821728 Three-dimensional imaging system
04/18/1989US4821558 Ultrasonic detector
04/13/1989DE3810414A1 Measuring device for continuously determining the diameter of a winding form, and the use of the device
04/12/1989EP0311150A1 Ultrasonic probe for electronic sector scanning, and echoscope incorporating such a probe
04/11/1989US4821215 Monitoring equipment for adverse environments
04/11/1989US4819652 C W and pulse Doppler diagnostic system
04/11/1989US4819649 Noninvasive vibration measurement system and method for measuring amplitude of vibration of tissue in an object being investigated
04/11/1989CA1252553A1 Ultrasonic compound scan with a rotating transducer
04/11/1989CA1252552A1 System for monitoring containers with ultrasonic seals using autonomous terminals
04/05/1989EP0310470A1 Process and apparatus for localising and destroying anatomical anomalies by means of elastic waves with target tracking and automatic triggering means
04/05/1989EP0310253A2 A method for removing doppler phase dispersion from seismic data
04/04/1989US4817619 Ultrasonic diagnosis apparatus
04/04/1989US4817617 Diagnostic imaging apparatus
04/04/1989US4817614 Method and apparatus for adaptive focusing in a medical ultrasound imaging apparatus
04/04/1989US4817434 For creating image points, pixels or voxels of an image
04/04/1989US4817432 Digital ultrasonic instrument for ophthalmic use
03/1989
03/28/1989US4817016 Non-destructive evaluation means and method of flaw reconstruction utilizing an ultrasonic multi-viewing transducer data acquistion system
03/21/1989US4815047 Synthetic focus annular array transducer
03/21/1989US4815046 Ultrasonic sensor system
03/21/1989US4815045 Seabed surveying apparatus for superimposed mapping of topographic and contour-line data
03/21/1989US4815043 Ultrasonic imaging apparatus
03/21/1989CA1251552A1 Non-coherent frequency source and sector scanning apparatus for ultrasonic imaging system using a liquid crystal detector cell
03/16/1989DE3808260C1 Screen device
03/15/1989EP0306768A2 Method and apparatus for safeguarding vehicles or devices moving in space
03/14/1989US4813025 Safety alert and locating system
03/09/1989WO1989002086A1 Sonic distance-measuring device
03/07/1989US4809703 Ultrasonic doppler blood flow meter
02/1989
02/28/1989US4809355 Method for operating a transmitting/receiving circuit and an apparatus for implementing the method
02/28/1989US4809249 Apparatus for ultrasound flow mapping
02/28/1989US4809242 Apparatus for processing fish detection signals
02/28/1989US4809241 Method and apparatus for echo transit time determination
02/28/1989US4809235 Method for removing doppler phase dispersion from seismic data
02/28/1989US4809184 Method and apparatus for fully digital beam formation in a phased array coherent imaging system
02/28/1989US4807636 Method and apparatus for measuring volume fluid flow
02/28/1989US4807635 Pulse centroid echo method and apparatus for enhanced sound velocity estimation in vivo
02/28/1989CA1250460A1 Image signal-processing system based on synthetic aperture technique
02/23/1989WO1989001638A1 Apparatus for measuring distances
02/21/1989US4807255 Alarm system responsive to intrusion induced phase unbalance
02/21/1989US4807201 Groundwater pressure measurement
02/21/1989US4805622 Direction-finding system for localization of reflection-causing nterfaces in the human body
02/21/1989US4805557 Method of and an implement for milking an animal
02/21/1989US4805458 Ultrasonic imaging apparatus including impedance converter
02/21/1989US4805337 Fish sonar body
02/14/1989US4805160 Data transmission method for ocean acoustic tomography
02/14/1989US4805155 Speed control circuit for mechanical scan ultrasonic imaging apparatus
02/14/1989US4804963 Wide dynamic range digital receiver
02/14/1989US4803995 Ultrasonic lithotrity apparatus
02/14/1989US4803994 Backscatter data collection technique for ultrasound