CH432021A - Dispositif de détection et de mesure de déplacements de faible amplitude - Google Patents

Dispositif de détection et de mesure de déplacements de faible amplitude

Info

Publication number
CH432021A
CH432021A CH268765A CH268765A CH432021A CH 432021 A CH432021 A CH 432021A CH 268765 A CH268765 A CH 268765A CH 268765 A CH268765 A CH 268765A CH 432021 A CH432021 A CH 432021A
Authority
CH
Switzerland
Prior art keywords
amplifiers
sub
sensors
vibrations
low amplitude
Prior art date
Application number
CH268765A
Other languages
English (en)
French (fr)
Inventor
Robillard Francis
Original Assignee
Robillard Francis
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robillard Francis filed Critical Robillard Francis
Publication of CH432021A publication Critical patent/CH432021A/fr

Links

Classifications

    • 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
    • G01V1/18—Receiving elements, e.g. seismometer, geophone or torque detectors, for localised single point measurements
    • G01V1/181—Geophones
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G—PHYSICS
    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
    • G01S3/802—Systems for determining direction or deviation from predetermined direction
    • G01S3/805—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristics of a transducer or transducer system to give a desired condition of signal derived from that transducer or transducer system, e.g. to give a maximum or minimum signal

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Geophysics And Detection Of Objects (AREA)
CH268765A 1964-02-27 1965-02-26 Dispositif de détection et de mesure de déplacements de faible amplitude CH432021A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR965296A FR1408191A (fr) 1964-02-27 1964-02-27 Procédés et dispositifs différentiels comparateurs pour la détection et la mesure de micro-déplacements

Publications (1)

Publication Number Publication Date
CH432021A true CH432021A (fr) 1967-03-15

Family

ID=8824149

Family Applications (1)

Application Number Title Priority Date Filing Date
CH268765A CH432021A (fr) 1964-02-27 1965-02-26 Dispositif de détection et de mesure de déplacements de faible amplitude

Country Status (5)

Country Link
BE (1) BE660542A (2)
CH (1) CH432021A (2)
DE (1) DE1932871U (2)
ES (1) ES309774A1 (2)
FR (1) FR1408191A (2)

Also Published As

Publication number Publication date
FR1408191A (fr) 1965-08-13
ES309774A1 (es) 1965-10-01
BE660542A (2) 1965-07-01
DE1932871U (de) 1966-02-17

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