ES309774A1 - Sistema diferencial para la deteccion y medida de microdesplazamientos - Google Patents

Sistema diferencial para la deteccion y medida de microdesplazamientos

Info

Publication number
ES309774A1
ES309774A1 ES0309774A ES309774A ES309774A1 ES 309774 A1 ES309774 A1 ES 309774A1 ES 0309774 A ES0309774 A ES 0309774A ES 309774 A ES309774 A ES 309774A ES 309774 A1 ES309774 A1 ES 309774A1
Authority
ES
Spain
Prior art keywords
translation
measurement
detection
machine
legally binding
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES0309774A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
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 ES309774A1 publication Critical patent/ES309774A1/es
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/16Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
    • G01V1/18Receiving elements, e.g. seismometer, geophone or torque detectors, for localised single point measurements
    • G01V1/181Geophones
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/14Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S3/00Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80Direction-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
    • G01S3/802Systems for determining direction or deviation from predetermined direction
    • G01S3/805Systems 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)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Geophysics And Detection Of Objects (AREA)
ES0309774A 1964-02-27 1965-02-24 Sistema diferencial para la deteccion y medida de microdesplazamientos Expired ES309774A1 (es)

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
ES309774A1 true ES309774A1 (es) 1965-10-01

Family

ID=8824149

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0309774A Expired ES309774A1 (es) 1964-02-27 1965-02-24 Sistema diferencial para la deteccion y medida de microdesplazamientos

Country Status (5)

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

Also Published As

Publication number Publication date
CH432021A (fr) 1967-03-15
DE1932871U (de) 1966-02-17
BE660542A (es) 1965-07-01
FR1408191A (fr) 1965-08-13

Similar Documents

Publication Publication Date Title
NL187779B (nl) Audioversterker.
FR1106637A (fr) Amplificateur de signaux électriques
SE8200392L (sv) Hogtalarsystem
ES309774A1 (es) Sistema diferencial para la deteccion y medida de microdesplazamientos
ES389117A1 (es) Perfeccionamientos en circuitos generadores de formas de ondas.
ES457318A1 (es) Dispositivo de medicion acustica.
FR1189844A (fr) Système amplificateur de signaux formés par des pulsations
GB1224784A (en) Headphone type amplifier, especially for sound amplification of electric musical instruments
ES429136A1 (es) Perfeccionamientos en las disposiciones de circuito para mandar la ganancia de amplificadores de potencia.
SU133001A1 (ru) Двухканальное стереофоническое звуковоспроизвод щее устройство
GB996579A (en) Improvements in directional sound-receiving apparatus
CH431624A (de) Unsymmetrische Gegentakt-Verstärkerstufe für stereophonische Signale
FR2390880A2 (fr) Perfectionnement apporte a la diffusion des frequences graves emises par le caisson central d'une chaine a trois canaux
ES203036A2 (es) UN SISTEMA ELÉCTRICO DE SEGURIDAD APLICABLE A AUTOMoVILES PARA CREAR O TRANSMITIR SENALES ACuSTICAS Y LUMINOSAS
ES331374A3 (es) Perfeccionamientos en circuitos amplificadores para aparatos fonoreproductores.
JPS5512410A (en) Device for acoustic holography
GB766890A (en) Improvements in or relating to sound transducers
ES171680U (es) Pizarra musical
ES201903A1 (es) Perfeccionamientos en los circuitos para sistemas de señales acústicas en los vehículos
ES273602A3 (es) Circuito para obtener efectos de reverberaciën acustica
ES313869A1 (es) Perfeccionamientos en sistemas electroacusticos
ES226609A1 (es) Un aparato amplificador de sonido
ES326617A1 (es) Perfeccionamientos en los pianos electronicos e instrumentosde cuerdas y lenguetas.
ES200383A1 (es) Instalación detectora de sonidos, especialmente aplicable a vehículos
ES322168A1 (es) Aparato amplificador telefënico