FR2185800B1 - - Google Patents

Info

Publication number
FR2185800B1
FR2185800B1 FR7318393A FR7318393A FR2185800B1 FR 2185800 B1 FR2185800 B1 FR 2185800B1 FR 7318393 A FR7318393 A FR 7318393A FR 7318393 A FR7318393 A FR 7318393A FR 2185800 B1 FR2185800 B1 FR 2185800B1
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
FR7318393A
Other versions
FR2185800A1 (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.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of FR2185800A1 publication Critical patent/FR2185800A1/fr
Application granted granted Critical
Publication of FR2185800B1 publication Critical patent/FR2185800B1/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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/38—Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas
FR7318393A 1972-05-22 1973-05-21 Expired FR2185800B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US25550272A 1972-05-22 1972-05-22
US25550372A 1972-05-22 1972-05-22
US25550172A 1972-05-22 1972-05-22

Publications (2)

Publication Number Publication Date
FR2185800A1 FR2185800A1 (fr) 1974-01-04
FR2185800B1 true FR2185800B1 (fr) 1976-05-28

Family

ID=27400864

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7318393A Expired FR2185800B1 (fr) 1972-05-22 1973-05-21

Country Status (5)

Country Link
JP (1) JPS4943680A (fr)
DE (1) DE2326064A1 (fr)
FR (1) FR2185800B1 (fr)
GB (1) GB1435125A (fr)
NL (1) NL7307136A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2536622B1 (fr) * 1982-11-19 1986-03-07 Thomson Csf Hydrophone de vitesse
ATE66543T1 (de) * 1984-10-15 1991-09-15 Edo Western Corp Flexible piezoelektrische wandleranordnung.
FR2600424B1 (fr) * 1986-06-23 1989-02-17 Inst Francais Du Petrole Procede et dispositif pour ameliorer la sensibilite et le rapport du signal au bruit de transducteurs piezo-electriques comportant une pluralite de capteurs combines en parallele
DE3940198A1 (de) * 1988-12-05 1990-06-07 Plessey Australia Infraschall-hydrophon
GB8917275D0 (en) 1989-07-28 2001-10-17 Secr Defence Reduction of low frequency vibration noise in towed arrays
DE4226485C1 (de) * 1992-08-11 1993-12-23 Prakla Seismos Gmbh Hydrophon, Verfahren zu seiner Herstellung und Verwendung
US5541894A (en) * 1995-05-26 1996-07-30 Syntron, Inc. Low distortion hydrophone
US7881159B2 (en) * 2006-12-18 2011-02-01 Pgs Geophysical As Seismic streamers which attentuate longitudinally traveling waves
US20090010101A1 (en) * 2007-07-05 2009-01-08 Nils Lunde Seismic streamer having longitudinally symmetrically sensitive sensors to reduce effects of longitudinally traveling waves
US8767505B2 (en) 2007-12-10 2014-07-01 Westerngeco L.L.C. In-sea power generation for marine seismic operations
US9470806B2 (en) * 2013-08-29 2016-10-18 Pgs Geophysical As Piezoelectric accelerometer
CN106441545A (zh) * 2016-08-31 2017-02-22 北京越音速科技有限公司 压差式水听器及压力梯度获取方法、压差式水听装置
US20200303620A1 (en) 2017-12-15 2020-09-24 Pgs Geophysical As Seismic pressure and acceleration measurement

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1486401A (fr) * 1965-05-22 1967-06-30 Inst Francais Du Petrole Capteurs de pression insensibles aux bruits parasites

Also Published As

Publication number Publication date
FR2185800A1 (fr) 1974-01-04
GB1435125A (en) 1976-05-12
NL7307136A (fr) 1973-11-26
JPS4943680A (fr) 1974-04-24
DE2326064A1 (de) 1973-12-06

Similar Documents

Publication Publication Date Title
IN138747B (fr)
JPS4943680A (fr)
JPS4926093A (fr)
CS152195B1 (fr)
FR2212860A6 (fr)
FR2171145A1 (fr)
JPS48102637U (fr)
CH560355A5 (fr)
CH567981A5 (fr)
CH572173A5 (fr)
CH560259B5 (fr)
CH560151A5 (fr)
CH560455A5 (fr)
CH560531A5 (fr)
CH560639A5 (fr)
CH572822A5 (fr)
CH560905A5 (fr)
CH573400A5 (fr)
CH567414A5 (fr)
CH1573A4 (fr)
CH574098A5 (fr)
CH545548A (fr)
CH577151A5 (fr)
CH577347A5 (fr)
CH577424A5 (fr)

Legal Events

Date Code Title Description
ST Notification of lapse