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)
05/1991
05/30/1991WO1991007657A1 Method and apparatus for measurement and imaging of tissue compressibility or compliance
05/30/1991WO1991007642A1 Velocity measurement system
05/30/1991CA2030228A1 Loading dock range finding system
05/29/1991WO1991008440A1 Process and device for the measurement of distances in gases and liquids using ultrasonics
05/29/1991CA2069506A1 Process and device for the measurement of distances in gases and liquids using ultrasonics
05/28/1991US5018528 Pulse Doppler ultrasonic diagnostic system
05/25/1991CA2030851A1 Distance measurement method and apparatus, and relative position measurement apparatus
05/23/1991DE3938077A1 Locating individual nipples for automated milking - using ultrasonic coarse positioning followed by light barrier matrix fine positioning
05/22/1991EP0427838A1 Distance measurement device
05/21/1991US5016641 Spectral interpolation of ultrasound Doppler signal
05/16/1991WO1991006874A1 Process for determining the direction and range of noise-generating targets
05/15/1991EP0427649A1 Apparatus for the detection of objects using ultrasonic detectors
05/14/1991US5016017 Doppler radar speed detecting method and apparatus therefor
05/14/1991US5015995 Fluid level monitor
05/14/1991US5014712 Coded excitation for transmission dynamic focusing of vibratory energy beam
05/14/1991US5014711 Ultrasonic diagnosis apparatus
05/14/1991US5014710 Steered linear color doppler imaging
05/14/1991CA1284238C2 Method of treating an ultrasonic transducer element
04/1991
04/30/1991US5012455 Security door with improved sensor for detecting unauthorized passage
04/30/1991US5012454 Ultrasonic low range speed meter
04/30/1991US5012452 Pulse transformation sonar
04/30/1991US5010885 Ultrasonic echograph with controllable phase coherence
04/25/1991DE4032713A1 Ultrasonic detector system for determining road surface condition
04/24/1991EP0424239A1 Beam forming method for sonar
04/23/1991US5010528 Doppler flow velocity distribution measuring apparatus
04/17/1991EP0187851B1 Adaptive predictor of surface reverberation in a bistatic sonar
04/16/1991US5008862 Object detecting switch device
04/16/1991US5008860 Position and velocity measuring system
04/16/1991CA1283200C Correlator circuit and device for ultrasound flow mapping comprising such as circuit
04/10/1991EP0421572A2 Self-adjusting knee bolster
04/09/1991US5005579 Apparatus for spatial location and destruction of objects inside the body by means of ultrasound
04/09/1991US5005419 Medical
04/09/1991US5005418 Three dimensional imaging device using ellipsoidal backprojection
04/09/1991CA1282801C Control and means for vibration attenuating damper
04/05/1991WO1991005268A1 Underwater profile detector device
04/05/1991CA2067130A1 Underwater profile detector device
04/03/1991EP0420313A1 Ground velocity sensor with drop-out detection
04/03/1991EP0419833A1 Monitoring device
04/02/1991US5004997 Parking aid device
04/02/1991CA1282487C Acoustic microscopy
03/1991
03/27/1991EP0419399A1 Vehicle protection and communication system
03/27/1991EP0418898A1 Ultrasonic doppler ground speedmeter
03/27/1991EP0418446A1 Method of and device for detecting the position of a body
03/26/1991CA1282158C Apparatus for processing fish detection signals
03/19/1991US5001678 System for detecting surrounding environmental conditions using a multiple number of incoming signals
03/19/1991US5000184 Directional component measurement by echography
03/19/1991US5000183 Device for processing an echographic signal
03/19/1991CA1281807C Method and device of positioning an element using ultrasound sensors
03/13/1991EP0416382A1 Apparatus for measuring the speed and distance travelled for shiers
03/05/1991US4998224 System for providing improved reverberation limited sonar performance
03/05/1991CA1281122C Filling level measuring device for measuring the filling level of explosive or aggressive media in a container
03/02/1991WO1991003792A1 System and method for transforming two dimensional signals of a hand held sector transducer into three dimensional signals
03/02/1991CA2064914A1 System and method for transforming two dimensional signals of a hand held sector transducer into three dimensional signals
02/1991
02/27/1991EP0414261A2 Ultrasonic diagnosing apparatus
02/27/1991EP0157830B1 Ultrasonic flow-control system
02/27/1991CN1049449A Torch-like blind man's guider with scale lanquage
02/26/1991US4995635 Ultrasonic Doppler velocity sensing within a hydraulic actuator
02/26/1991US4995397 Pulse doppler flow speed meter
02/26/1991US4995259 Acoustic microscope surface inspection system and method
02/21/1991DE3927125A1 Car information signal electronic evaluator - transmits output signals as superimposed current to display and command appts.
02/19/1991US4995009 Onshore fisherman
02/19/1991US4993418 Doppler blood flow system and method using low frequency noise signal processing
02/19/1991US4993417 Method and system for controlling ultrasound scanning sequence
02/19/1991US4993416 For tissue
02/16/1991WO1991002989A1 Sonar surveying system
02/16/1991CA2039157A1 Sonar surveying system
02/14/1991DE3926477A1 Process parallel image scanning - using ultrasound imaging device with adaptive focussing
02/13/1991CN1011640B Tape winding device for videorecorder
02/13/1991CN1011569B Device for eliminating fixed echoes for ultrasonic echograph
02/12/1991US4992998 Acoustic range finding system
02/12/1991US4992990 Method for determining the position of seismic streamers in a reflection seismic measuring system
02/12/1991US4991589 Ultrasonic imaging apparatus
02/12/1991US4991427 Bore mapping and surface time measurement system
02/06/1991CN1011544B Bore mapping and surface time measurement system
02/05/1991US4991146 Intrusion detection system
01/1991
01/31/1991DE3924171A1 Variable-field ultrasonic collision warning appts. for vehicles - provides for inhibition of peripheral sensors liable to respond to irrelevant objects very close to track
01/30/1991EP0410591A2 System for deploying horizontal line array
01/30/1991CN2070520U Ultrasonic wave inducting lamp
01/29/1991US4989186 Target tracking sonar with false target detector
01/29/1991US4988996 Display system
01/25/1991CA2020202A1 System for deploying horizontal line array
01/23/1991EP0408662A1 Ultrasonic velocity sensor
01/22/1991US4987563 Synthetic aperture minimum redundancy sonar apparatus
01/15/1991US4984576 Detecting location of a Fetal
01/10/1991WO1991000532A1 Method for operating a sonar in active and passive modes
01/10/1991DE3921024C1 Ironing machine with computer based control device - has measuring device with transmitter and receiver spatially separated and connected to computer
01/09/1991EP0406909A2 Ultrasonic diagnosing apparatus
01/09/1991EP0406908A1 Ultrasonic diagnosing apparatus
01/08/1991US4984188 Ultrasonic diagnostic apparatus
01/08/1991US4983970 Method and apparatus for digital phased array imaging
01/08/1991CA1278853C Speed control circuit for mechanical scan ultrasonic imaging apparatus
01/01/1991US4982434 Supersonic bone conduction hearing aid and method
01/01/1991US4982384 Split beam sonar
12/1990
12/25/1990US4980869 Monitor unit for sensors, particularly ultrasonic sensors, for motor vehicle backup monitoring
12/25/1990US4980865 Ultrasonic microscope
12/25/1990US4979513 Ultrasonic diagnostic apparatus
12/19/1990EP0402968A1 Device for measuring the speed of blood-flow
12/19/1990EP0402779A2 Method and device for determining surface structures
12/19/1990EP0204000B1 Ultrasonic diagnostic apparatus
12/18/1990US4979154 Landing aid for aircraft
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