NL7307136A - - Google Patents
Info
- Publication number
- NL7307136A NL7307136A NL7307136A NL7307136A NL7307136A NL 7307136 A NL7307136 A NL 7307136A NL 7307136 A NL7307136 A NL 7307136A NL 7307136 A NL7307136 A NL 7307136A NL 7307136 A NL7307136 A NL 7307136A
- Authority
- NL
- Netherlands
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
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- 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
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- 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
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 (1)
| Publication Number | Publication Date |
|---|---|
| NL7307136A true NL7307136A (en) | 1973-11-26 |
Family
ID=27400864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7307136A NL7307136A (en) | 1972-05-22 | 1973-05-22 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4943680A (en) |
| DE (1) | DE2326064A1 (en) |
| FR (1) | FR2185800B1 (en) |
| GB (1) | GB1435125A (en) |
| NL (1) | NL7307136A (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2536622B1 (en) * | 1982-11-19 | 1986-03-07 | Thomson Csf | SPEED HYDROPHONE |
| ATE66543T1 (en) * | 1984-10-15 | 1991-09-15 | Edo Western Corp | FLEXIBLE PIEZOELECTRICAL TRANSDUCER ARRANGEMENT. |
| FR2600424B1 (en) * | 1986-06-23 | 1989-02-17 | Inst Francais Du Petrole | METHOD AND DEVICE FOR IMPROVING THE SENSITIVITY AND THE SIGNAL TO NOISE RATIO OF PIEZOELECTRIC TRANSDUCERS INCLUDING A PLURALITY OF SENSORS COMBINED IN PARALLEL |
| DE3940198A1 (en) * | 1988-12-05 | 1990-06-07 | Plessey Australia | INFRASONAL HYDROPHONE |
| GB8917275D0 (en) | 1989-07-28 | 2001-10-17 | Secr Defence | Reduction of low frequency vibration noise in towed arrays |
| DE4226485C1 (en) * | 1992-08-11 | 1993-12-23 | Prakla Seismos Gmbh | Hydrophone, process for its manufacture and use |
| 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 (en) * | 2016-08-31 | 2017-02-22 | 北京越音速科技有限公司 | Pressure-gradient hydrophone, pressure gradient obtaining device, and pressure-gradient hydrophone apparatus |
| US20200303620A1 (en) | 2017-12-15 | 2020-09-24 | Pgs Geophysical As | Seismic pressure and acceleration measurement |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1486401A (en) * | 1965-05-22 | 1967-06-30 | Inst Francais Du Petrole | Pressure sensors insensitive to noise |
-
1973
- 1973-05-09 GB GB2203473A patent/GB1435125A/en not_active Expired
- 1973-05-21 FR FR7318393A patent/FR2185800B1/fr not_active Expired
- 1973-05-21 JP JP48056678A patent/JPS4943680A/ja active Pending
- 1973-05-22 NL NL7307136A patent/NL7307136A/xx unknown
- 1973-05-22 DE DE19732326064 patent/DE2326064A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2185800A1 (en) | 1974-01-04 |
| GB1435125A (en) | 1976-05-12 |
| FR2185800B1 (en) | 1976-05-28 |
| JPS4943680A (en) | 1974-04-24 |
| DE2326064A1 (en) | 1973-12-06 |