CH432021A - Dispositif de détection et de mesure de déplacements de faible amplitude - Google Patents
Dispositif de détection et de mesure de déplacements de faible amplitudeInfo
- 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
Links
- 238000006073 displacement reaction Methods 0.000 title claims description 11
- 238000001514 detection method Methods 0.000 title description 5
- 238000005259 measurement Methods 0.000 title description 5
- 230000001131 transforming effect Effects 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000002555 auscultation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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)
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 (is") |
| CH (1) | CH432021A (is") |
| DE (1) | DE1932871U (is") |
| ES (1) | ES309774A1 (is") |
| FR (1) | FR1408191A (is") |
-
1964
- 1964-02-27 FR FR965296A patent/FR1408191A/fr not_active Expired
-
1965
- 1965-02-24 ES ES0309774A patent/ES309774A1/es not_active Expired
- 1965-02-26 DE DE1965R0030131 patent/DE1932871U/de not_active Expired
- 1965-02-26 CH CH268765A patent/CH432021A/fr unknown
- 1965-03-03 BE BE660542D patent/BE660542A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1932871U (de) | 1966-02-17 |
| BE660542A (is") | 1965-07-01 |
| ES309774A1 (es) | 1965-10-01 |
| FR1408191A (fr) | 1965-08-13 |
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