FR2314633B1 - - Google Patents

Info

Publication number
FR2314633B1
FR2314633B1 FR7518477A FR7518477A FR2314633B1 FR 2314633 B1 FR2314633 B1 FR 2314633B1 FR 7518477 A FR7518477 A FR 7518477A FR 7518477 A FR7518477 A FR 7518477A FR 2314633 B1 FR2314633 B1 FR 2314633B1
Authority
FR
France
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
FR7518477A
Other languages
French (fr)
Other versions
FR2314633A1 (fr
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.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
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 IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Priority to FR7518477A priority Critical patent/FR2314633A1/fr
Publication of FR2314633A1 publication Critical patent/FR2314633A1/fr
Application granted granted Critical
Publication of FR2314633B1 publication Critical patent/FR2314633B1/fr
Granted legal-status Critical Current

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
    • G01V1/20—Arrangements of receiving elements, e.g. geophone pattern
    • G01V1/201—Constructional details of seismic cables, e.g. streamers
    • G01V1/208—Constructional details of seismic cables, e.g. streamers having a continuous structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0292—Electrostatic transducers, e.g. electret-type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/30—Electron-beam or ion-beam tubes for localised treatment of objects
    • H01J37/302—Controlling tubes by external information, e.g. programme control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R13/00—Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geophysics (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electromagnetism (AREA)
  • Measurement Of Radiation (AREA)
FR7518477A 1975-06-11 1975-06-11 Methode de ponderation de la sensibilite d'un capteur de vibrations et dispositif pour sa mise en oeuvre Granted FR2314633A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7518477A FR2314633A1 (fr) 1975-06-11 1975-06-11 Methode de ponderation de la sensibilite d'un capteur de vibrations et dispositif pour sa mise en oeuvre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7518477A FR2314633A1 (fr) 1975-06-11 1975-06-11 Methode de ponderation de la sensibilite d'un capteur de vibrations et dispositif pour sa mise en oeuvre

Publications (2)

Publication Number Publication Date
FR2314633A1 FR2314633A1 (fr) 1977-01-07
FR2314633B1 true FR2314633B1 (enrdf_load_stackoverflow) 1981-08-07

Family

ID=9156461

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7518477A Granted FR2314633A1 (fr) 1975-06-11 1975-06-11 Methode de ponderation de la sensibilite d'un capteur de vibrations et dispositif pour sa mise en oeuvre

Country Status (1)

Country Link
FR (1) FR2314633A1 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR2314633A1 (fr) 1977-01-07

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Legal Events

Date Code Title Description
ST Notification of lapse