Patents
Patents for G01N 29 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object (28,925)
06/1994
06/28/1994US5323638 Sensor apparatus
06/28/1994US5323636 Dual-channel flexural acoustic wave chemical sensor
06/24/1994CA2112030A1 Process and a device for the continuous nondestructive control of rails on a railway line by ultrasonics
06/23/1994WO1994001989A3 Device for excitation of oscillations and determination of properties of fluid mediums
06/23/1994DE4243311A1 Coupling system for ultrasonic test head and concrete surface
06/23/1994DE4242442A1 Automatic, iterative optimisation of drawing processes in presses - with comparison of the noise emitted during drawing with stored reference values, and control of the holding-down force on the basis of the comparison outcome
06/22/1994EP0602285A1 Method for detecting hair cracks or holes in egg shells, and apparatus for carrying out this method
06/21/1994US5322068 Method and apparatus for dynamically steering ultrasonic phased arrays
06/21/1994US5322066 Discretely modifiable imaging in ultrasonic diagnostic equipment
06/16/1994DE4239229A1 Holder for ultrasonic test head for non=destructive material test or thickness measurement - has housing with coupling arrangement enabling easy linking of holders
06/15/1994EP0601087A1 Method and apparatus for coating a surface of a substrate
06/14/1994US5321331 Double-sided fluid sensor for reduced attenuation of shear transverse waves
06/14/1994US5319977 Near field acoustic ultrasonic microscope system and method
06/09/1994WO1994012873A1 Ultrasonic transmitter with a damping body for high working temperatures
06/08/1994EP0600093A1 Apparatus for ultrasonic measurement
06/08/1994EP0600034A1 A device for determining the size and charge of colloidal particles.
06/08/1994EP0600002A1 Grading and evaluation of poultry with ultrasound
06/08/1994EP0599863A1 Method and device for the detection and location of changes in a turbine component.
06/08/1994EP0593667A4 Measurement of material properties with optically induced phonons
06/08/1994EP0518993B1 Method and apparatus for the transmission of an acoustic signal in a photoacoustic cell
06/08/1994CN1087722A Ultrasonic detecting technology for internal material state of structural member
06/07/1994US5319683 Calibration arangement and method of calibrating an inspection instrument
06/07/1994US5318033 Method and apparatus for increasing the frame rate and resolution of a phased array imaging system
06/07/1994US5318027 Stack-connectable ultrasound probe, ultrasound imaging system and diagnostic sonography system
06/01/1994EP0599013A1 Apparatus for detecting contact with rotating body
06/01/1994EP0598875A1 Automatically controlled cleaning device, in particular for a motor vehicle windscreen.
06/01/1994EP0598728A1 Ultrasonic probe suitable for acoustic coupling via a water channel.
06/01/1994CN1024844C Rotor bore inspection system
05/1994
05/31/1994US5317111 Ultrasonic measurement apparatus
05/31/1994US5315999 Ultrasound imaging system having user preset modes
05/26/1994WO1994011731A1 Method and apparatus for the characterization and control of powder compaction
05/26/1994WO1994011721A1 System and method for testing the integrity of porous elements
05/26/1994DE4239221A1 Ultrasonic reflectometry for flaw detection in reinforced concrete - compares backscatter measurements over constant distance along and across line of crack during successive phases of test
05/26/1994CA2148807A1 System and method for testing the integrity of porous elements
05/26/1994CA2147364A1 Method and apparatus for the characterization and control of powder compaction
05/25/1994EP0598667A2 Entrained air measurement apparatus and method
05/25/1994EP0598661A1 Method and apparatus for industrial ultrasonic control of pieces by time rotation
05/25/1994EP0462149B1 Acoustic detection apparatus
05/25/1994CN2166444Y Liquid & solid two phase ultrasonic concentration meter
05/24/1994US5313950 Ultrasonic probe
05/24/1994US5313946 Method and apparatus for the characterization of tissue or other structure
05/24/1994US5313838 Bent tube inspection probe with a rotary inspection head
05/24/1994US5313837 For testing tubular goods
05/24/1994US5313820 Ultrasonic gas measuring device
05/20/1994CA2104894A1 Entrained air measurement apparatus and method
05/19/1994DE4305064C1 Non-destructive testing system, e.g. for turbine blade - uses laser beams to stimulate ultrasonic surface waves at spaced points for simultaneous measurement of different characteristics
05/18/1994EP0597604A1 Gas concentration and/or flow sensor
05/18/1994EP0596966A1 Time gate ultrasonic sensor and method
05/18/1994EP0524201B1 Process for measuring hardness using the ultrasonic contact impedance method
05/18/1994EP0317629B1 Method of measuring depth of surface opening defects of a solid material by using ultrasonic waves
05/18/1994CN2165444Y Automatic unitary supersonic flaw detector for steel cylinder
05/17/1994US5311778 Process and apparatus to identify the presence of structural cavities in sleeves for the manufacture of driving belts
05/17/1994CA2103190A1 Ultrasonic gas measuring device incorporating efficiency display
05/17/1994CA2068505C Ultrasonic transducer
05/17/1994CA1329648C Method and apparatus for tire inspection
05/11/1994WO1994010681A1 Ultrasonic probe and method of operating it
05/11/1994WO1994010562A1 An apparatus for examining carcases
05/11/1994WO1994009890A1 Fibre monitoring system
05/11/1994EP0596560A1 Apparatus for the examination of media by ultrasonic echography
05/11/1994EP0596342A1 Ultrasonic measuring apparatus which minimizes the number of digital values treated by processing means
05/11/1994EP0563105B1 Whole-product ultrasonic inspection system with a test-head mount, in particular a mount designed as a rotating body, mounted on a height-adjustable test bench, the system also including a test-piece manipulator
05/11/1994DE4237695A1 Non destructive testing of nuclear reactor pressure vessel openings - using an advanced positioning method and equipment to create a regular annulus around the control rod feed tubes for eddy current testing
05/10/1994US5309914 Ultrasonic imaging apparatus
05/10/1994US5309898 Ultrasonic bone-therapy and assessment apparatus and method
05/10/1994US5309765 Method and apparatus for performing ultrasonic flaw detection by controlling peak frequency and frequency bandwidth
05/04/1994EP0595573A1 Time-of-flight method for sizing cracks through fluid-filled gaps
05/04/1994EP0595572A2 Ultrasonic parametric amplifier
05/04/1994EP0595400A1 Device for the active impedance adaptation between an ultrasonic transducer and the generator of impulse signals for this transducer
05/04/1994CA2106515A1 Out-of-plane ultrasonic velocity measurement
05/04/1994CA2106514A1 In-plane ultrasonic velocity measurement
05/03/1994US5309374 Acoustic and video imaging system for quality determination of agricultural products
05/03/1994US5307815 Ultrasonic transducer with integrated variable gain amplifier
05/03/1994US5307810 Diagnosis device with function for angling tip probe
05/03/1994US5307680 Method and apparatus for visualization of internal stresses in solid non-transparent materials by elastoacoustic technique
05/03/1994US5307679 Method and apparatus for evaluating the drying properties of un-dried wood
05/03/1994CA2109010A1 Ultrasonic measuring apparatus which minimizes the number of digital values treated by processing means
04/1994
04/28/1994WO1994005993A3 Elastographic measurement and imaging apparatus and method
04/28/1994DE4237378C1 Coupling method for ultrasonic test head - using reduced pressure between applied test head and test sample surface for obtaining coupling fluid cushion
04/28/1994DE4236255A1 Acoustic lens for plane-wave to spherical-wave transformation - divides tubular acoustic waveguide between two media sepd. by eg polystyrene with conical and ellipsoidal faces
04/27/1994EP0594400A1 Ultrasonic waveguide
04/27/1994EP0594399A1 Monochromatic ultrasonic transducer
04/27/1994EP0593921A2 Apparatus for measurement and imaging of tissue compressibility or compliance
04/27/1994EP0593667A1 Measurement of material properties with optically induced phonons
04/26/1994US5307273 Apparatus and method for recognizing carpets and stairs by cleaning robot
04/26/1994US5306644 Mass sensor method for measuring analytes in a sample
04/26/1994US5305755 Ultrasonic probe, having transducer array capable of turning around its aperture axis and having a convex lens comprising a viscous resin
04/26/1994US5305641 Method for evaluation of acoustic anisotropy and measuring apparatus therefor
04/21/1994DE4234950C1 High temp. ultrasonic testing appts.
04/21/1994DE4234860A1 Depth adjustment of amplitude of echo signals using ultrasonic measuring unit - working according to pulse reflection method and leading pulses from test heads to test bodies arranged staggered in depth at known distances from surface
04/20/1994EP0593357A1 Supporting device of a probe for the detection and localization of possible defects inside a bore
04/20/1994EP0592967A2 Ultrasonic tissue imaging method and apparatus with doppler velocity and acceleration processing
04/20/1994EP0557304B1 Rotor of an ultrasonic testing device for rotation-symmetrical test-pieces with at least one drilling for a test head support
04/19/1994US5305239 Ultrasonic non-destructive evaluation of thin specimens
04/19/1994US5303708 Grading of poultry carcasses with ultrasound
04/19/1994US5303592 Method and apparatus for coiled tubing inspection
04/19/1994US5303591 Ultrasonic inspection system with improved pulser and receiver circuits
04/19/1994US5303590 Method of and an apparatus for frequency selective ultrasonic inspection of multi-layered structures
04/14/1994WO1994008253A1 Therapy device for destroying a target by acoustic signals featuring time reversal
04/14/1994DE4334632A1 Non=destructive defect detector for axle of electric train car - has sensor head with linearly and rotationally driven sensors, and computer controlling sensor drive mechanism
04/14/1994DE4234121A1 Faulty solder joint test method - using laser beam to generate ultrasonic signals which are sensor monitored