Classifications

• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
  • G01N29/00—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
  • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
  • G01N29/38—Detecting the response signal, e.g. electronic circuits specially adapted therefor by time filtering, e.g. using time gates
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
  • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
  • E04C5/08—Members specially adapted to be used in prestressed constructions
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
  • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
  • G01N29/00—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
  • G01N29/14—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 using acoustic emission techniques
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
  • G01N29/00—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
  • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
  • G01N29/46—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by spectral analysis, e.g. Fourier analysis or wavelet analysis
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
  • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
  • G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
  • G01V1/20—Arrangements of receiving elements, e.g. geophone pattern
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
  • G01N2291/00—Indexing codes associated with group G01N29/00
  • G01N2291/01—Indexing codes associated with the measuring variable
  • G01N2291/011—Velocity or travel time
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
  • G01N2291/00—Indexing codes associated with group G01N29/00
  • G01N2291/02—Indexing codes associated with the analysed material
  • G01N2291/024—Mixtures
  • G01N2291/02458—Solids in solids, e.g. granules
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
  • G01N2291/00—Indexing codes associated with group G01N29/00
  • G01N2291/04—Wave modes and trajectories
  • G01N2291/042—Wave modes
  • G01N2291/0422—Shear waves, transverse waves, horizontally polarised waves

Landscapes

• Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• General Physics & Mathematics (AREA)
• Life Sciences & Earth Sciences (AREA)
• Biochemistry (AREA)
• Analytical Chemistry (AREA)
• Chemical & Material Sciences (AREA)
• General Health & Medical Sciences (AREA)
• Health & Medical Sciences (AREA)
• Immunology (AREA)
• Pathology (AREA)
• Acoustics & Sound (AREA)
• Architecture (AREA)
• Signal Processing (AREA)
• Spectroscopy & Molecular Physics (AREA)
• General Life Sciences & Earth Sciences (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Environmental & Geological Engineering (AREA)
• Geology (AREA)
• Remote Sensing (AREA)
• Mathematical Physics (AREA)
• Geophysics (AREA)
• Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
• Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
• Testing Or Calibration Of Command Recording Devices (AREA)
• Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
• Glass Compositions (AREA)
• Reinforcement Elements For Buildings (AREA)
• Bridges Or Land Bridges (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=22166983

Family Applications (1)

Country Status (8)

Families Citing this family (8)

Family Cites Families (5)

• 1994
  • 1994-06-16 DE DE69416410T patent/DE69416410T2/de not_active Expired - Lifetime
  • 1994-06-16 CA CA002164315A patent/CA2164315C/en not_active Expired - Lifetime
  • 1994-06-16 BR BR9406836A patent/BR9406836A/pt not_active IP Right Cessation
  • 1994-06-16 EP EP94919525A patent/EP0705422B1/de not_active Expired - Lifetime
  • 1994-06-16 JP JP50227595A patent/JP3288045B2/ja not_active Ceased
  • 1994-06-16 ES ES94919525T patent/ES2131200T3/es not_active Expired - Lifetime
  • 1994-06-16 AU AU70654/94A patent/AU674237B2/en not_active Ceased
  • 1994-06-16 WO PCT/CA1994/000335 patent/WO1995000823A1/en not_active Ceased

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