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)
04/1982
04/21/1982EP0050040A2 A method and apparatus for the detection of impurities in a liquid such as blood
04/21/1982EP0049956A1 Ultrasonic identification of damage in lined structures
04/20/1982US4325257 Real-time digital, synthetic-focus, acoustic imaging system
04/20/1982US4325256 Optical bichromatic position finder
04/20/1982US4325255 Ultrasonic apparatus and method for measuring the characteristics of materials
04/14/1982EP0049659A1 Method and device for the acoustic control of an industrial installation
04/14/1982EP0049401A1 Method for the sound-emission examination of containers or conduits made of steel, especially in nuclear reactors
04/14/1982EP0049311A1 Apparatus for locating interfaces in media
04/13/1982US4324140 Electronically simulated rotating prism for ultrasonic beam scanning
04/13/1982US4324131 Liquid chromatography detector
04/07/1982EP0049090A1 Testing mechanism for floors
04/07/1982EP0048900A1 Process for the production of focussing piezoelectric resonators
04/06/1982US4323077 Acoustic intensity monitor
04/06/1982US4322975 Ultrasonic scanner
04/06/1982CA1121502A1 Ultrasonic particulate sensing
04/06/1982CA1121500A1 Ultrasonic scanner
04/06/1982CA1121499A1 Method and apparatus for reflective ultrasonic imaging utilizing reconstruction of acoustic impedance projections
04/06/1982CA1121498A1 Acoustic imaging system
03/1982
03/30/1982US4321830 Optical bichromatic position finder
03/23/1982US4320661 Electromagnetic acoustic transducer for tube inspection
03/23/1982US4320660 Fresnel focussed imaging system
03/23/1982US4320659 Ultrasonic system for measuring fluid impedance or liquid level
03/18/1982WO1982000893A1 Method and device for the localisation and analysis of sound emissions
03/16/1982US4319490 Multiple wedge element lens for an ultrasonic inspection transducer
03/10/1982EP0046747A1 Ultrasonic probe
03/09/1982CA1119707A1 Method of and apparatus for the generation and transmission of signals for echolocation and other signalling purposes, such as in geophysical exploration
03/04/1982WO1982000718A1 Method of detecting,preferably continuously,the presence of cracks,the formation of cracks and the growth of cracks in constructions
03/02/1982US4317370 Ultrasound imaging system
02/1982
02/24/1982EP0046356A2 Ultrasound imaging system
02/23/1982US4317186 Device for determining the position of a sound source
02/23/1982CA1118882A1 Ultrasonic probe
02/17/1982EP0046101A2 System for borehole logging by detection of slow compressional waves
02/17/1982EP0045942A1 Apparatus for detecting machine tool wear
02/17/1982EP0045770A1 Method and apparatus for pipe inspection
02/16/1982US4316271 Purging and expansion mechanism
02/16/1982US4315435 Dual scan ultrasonic scanner
02/10/1982EP0045412A2 Device for testing materials
02/09/1982US4314479 Method and apparatus for transmitting and receiving electromagnetically generated and received ultrasonic pulses
02/03/1982EP0045265A2 Probe for echography with sectional mechanical scanning
02/02/1982US4313791 Ultrasound
02/02/1982CA1117642A1 Method and apparatus for improved optoacoustic spectroscopy
01/1982
01/27/1982EP0044596A1 Method and apparatus for determining the mass concentration of particles in a gaseous medium
01/26/1982US4312231 Apparatus for generating and detecting an electromagnetic ultrasonic wave
01/26/1982US4312230 Method and apparatus for pipe inspection
01/26/1982US4312229 Detection, characterization, and study of flaws in work with acoustic energy
01/26/1982US4312228 Methods of detection with surface acoustic wave and apparati therefor
01/26/1982EP0038331A4 Signal processing equipment for ultrasonic visualisation.
01/19/1982US4311905 Film strip positioning for X-ray testing of pipes
01/19/1982US4311556 Method and system for inspection of inside of nuclear reactor vessel
01/19/1982US4311052 Ultrasonic control contour follower
01/19/1982US4310957 Method for the manufacture of ultrasonic heads
01/19/1982CA1116742A1 Fresnel focussed imaging system
01/19/1982CA1116739A1 Ultrasonic detection system maintains shields between adjacent transducers for suppression of sidelobes
01/13/1982EP0043747A1 Acoustic remote control device testable by means of supply voltage variation
01/12/1982US4309906 Apparatus for providing an ultrasonic sectional view
01/12/1982US4309905 Method for detecting non-uniformities of magnetic materials and device for effecting same
01/12/1982CA1116154A1 Device having a balanced pivotable arm
01/06/1982EP0043293A1 Digital phase detector
01/06/1982EP0043158A1 Ultrasonic investigation apparatus
01/06/1982EP0042945A1 Apparatus for and method of storing characteristics of an acoustic field
01/05/1982US4308751 Method for investigating an anchored rod-like body having an accessible end, and apparatus for carrying out the method
12/1981
12/30/1981EP0042601A1 Non-destructive inspection by frequency spectrum resolution
12/29/1981US4307616 Signal processing technique for ultrasonic inspection
12/29/1981US4307615 Method and apparatus for transmitting and receiving electromagnetically generated and received ultrasonic pulses, primarily at non-destructive testing
12/29/1981US4307614 Method and apparatus for characterizing surface flaws utilizing ultrasonic surface waves
12/29/1981US4307613 Electronically focused ultrasonic transmitter
12/29/1981US4307612 Method and means for ultrasonic inspection
12/23/1981EP0042288A1 Ultrasonic imaging apparatus
12/22/1981US4306459 Transducer carrier for ultrasonic testing
12/22/1981US4306458 Apparatus for object scanning
12/16/1981EP0041575A1 Optical bichromatic position finder
12/15/1981US4305297 Ultrasonic testing of weld seams of pipes for detecting transversely extending defects
12/15/1981US4305296 Ultrasonic imaging method and apparatus with electronic beam focusing and scanning
12/15/1981US4305295 Portable apparatus for measuring acoustic impedance at the surface of curved sound absorber
12/15/1981US4305294 Ultrasonic apparatus and method for measuring wall thickness
12/15/1981CA1114491A1 Ultrasonic imaging system
12/09/1981EP0041403A1 Method and apparatus for ultrasonic wave measurement of characteristics of the internal structure of an object
12/09/1981EP0041185A1 Ultrasonic scanning device
12/08/1981US4305014 Piezoelectric array using parallel connected elements to form groups which groups are ≈1/2λ in width
12/08/1981US4304629 To electronically discriminate between hard object impact and background noise
12/08/1981US4304134 Apparatus for ultrasonically inspecting circular bores
12/08/1981US4304133 Positioning device for scanner
12/08/1981CA1114053A1 Locating a welding seam
12/01/1981US4303883 Apparatus for detecting the center of a welded seam in accordance with fundamental harmonic component suppression
12/01/1981US4303368 Remote docking apparatus
12/01/1981US4303343 Optoacoustic spectroscopy of condensed matter in bulk form
12/01/1981US4302976 Wheel probes
11/1981
11/25/1981EP0040376A1 Ultrasonic transducer array
11/25/1981EP0040375A1 Ultrasonic transducer array
11/24/1981US4302286 Reactor vessel in-service inspection assembly and ultrasonic centering device
11/24/1981US4302146 Probe positioner
11/24/1981US4301684 Ultrasonic non-destructive evaluation technique for structures of complex geometry
11/24/1981CA1113181A1 Apparatus for ultrasonic examination
11/24/1981CA1113180A1 Method of adjusting ultrasonic test systems
11/18/1981EP0039922A2 Apparatus for ultrasonically inspecting circular bores
11/17/1981US4300394 Sonic wave travel time measuring system
11/17/1981CA1112754A1 Electromagnetic transducer
11/17/1981CA1112750A1 Liquid crystal acousto-optic cell
11/17/1981CA1112476A1 Piezoelectric gum measurement device
11/11/1981EP0039494A1 Method and apparatus for inspecting and ensuring the usability of plastics containers with grip handles, for example crates for bottles