FR1556971A - - Google Patents

Info

Publication number
FR1556971A
FR1556971A FR1556971DA FR1556971A FR 1556971 A FR1556971 A FR 1556971A FR 1556971D A FR1556971D A FR 1556971DA FR 1556971 A FR1556971 A FR 1556971A
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
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1556971A publication Critical patent/FR1556971A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0603—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a piezoelectric bender, e.g. bimorph

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR1556971D 1967-05-16 1967-05-16 Expired FR1556971A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR106637 1967-05-16

Publications (1)

Publication Number Publication Date
FR1556971A true FR1556971A (en) 1969-02-14

Family

ID=8630945

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1556971D Expired FR1556971A (en) 1967-05-16 1967-05-16

Country Status (1)

Country Link
FR (1) FR1556971A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2733831A1 (en) * 1995-05-04 1996-11-08 Inst Francais Du Petrole VIBRATION SENSOR
FR2832018A1 (en) * 2001-11-02 2003-05-09 Inst Francais Du Petrole Hydrophone for marine seismic prospecting, has detection unit producing signals, connected to switch that is actuated by flexible wall for predetermined pressure and release of switch inhibits response of sensitive unit
FR2832019A1 (en) * 2001-11-02 2003-05-09 Inst Francais Du Petrole HYDROPHONE WITH AUTOMATIC INHIBITION IN THE EVENT OF EXCEEDING AN ADJUSTABLE IMMERSION THRESHOLD
WO2008035025A2 (en) * 2006-09-19 2008-03-27 Schlumberger Technology B.V. Pressure-balanced electromechanical converter

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2733831A1 (en) * 1995-05-04 1996-11-08 Inst Francais Du Petrole VIBRATION SENSOR
US5889731A (en) * 1995-05-04 1999-03-30 Institut Francais Du Petrole Vibration detector
FR2832018A1 (en) * 2001-11-02 2003-05-09 Inst Francais Du Petrole Hydrophone for marine seismic prospecting, has detection unit producing signals, connected to switch that is actuated by flexible wall for predetermined pressure and release of switch inhibits response of sensitive unit
FR2832019A1 (en) * 2001-11-02 2003-05-09 Inst Francais Du Petrole HYDROPHONE WITH AUTOMATIC INHIBITION IN THE EVENT OF EXCEEDING AN ADJUSTABLE IMMERSION THRESHOLD
US6754136B2 (en) 2001-11-02 2004-06-22 Institut Francais Du Petrole Hydrophone with automatic inhibition in case an adjustable immersion threshold is exceeded
WO2008035025A2 (en) * 2006-09-19 2008-03-27 Schlumberger Technology B.V. Pressure-balanced electromechanical converter
WO2008035025A3 (en) * 2006-09-19 2008-05-22 Schlumberger Technology Bv Pressure-balanced electromechanical converter
US8384270B2 (en) 2006-09-19 2013-02-26 Schlumberger Technology Corporation Pressure-balanced electromechanical converter

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