NO751646L - - Google Patents
Info
- Publication number
- NO751646L NO751646L NO751646A NO751646A NO751646L NO 751646 L NO751646 L NO 751646L NO 751646 A NO751646 A NO 751646A NO 751646 A NO751646 A NO 751646A NO 751646 L NO751646 L NO 751646L
- Authority
- NO
- Norway
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7417545A FR2271733B1 (no) | 1974-05-17 | 1974-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO751646L true NO751646L (no) | 1975-11-18 |
Family
ID=9139081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO751646A NO751646L (no) | 1974-05-17 | 1975-05-07 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4245329A (no) |
| JP (2) | JPS50159772A (no) |
| BE (1) | BE828710A (no) |
| DE (1) | DE2521449A1 (no) |
| DK (1) | DK144606C (no) |
| ES (1) | ES437751A1 (no) |
| FR (1) | FR2271733B1 (no) |
| GB (1) | GB1505664A (no) |
| IT (1) | IT1038186B (no) |
| NL (1) | NL7505833A (no) |
| NO (1) | NO751646L (no) |
| SE (1) | SE398012B (no) |
| SU (1) | SU638287A3 (no) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE856235R (fr) * | 1976-07-02 | 1977-12-29 | Inst Francais Du Petrole | Dispositif recepteur de grande longueur et de structure continue |
| GB2072458A (en) * | 1980-03-03 | 1981-09-30 | Tape Developments Ltd C | Electroacoustic transducers |
| US4716556A (en) * | 1981-07-23 | 1987-12-29 | Allied-Signal Inc. | Magnetostrictive acoustic transducer |
| US4805157A (en) * | 1983-12-02 | 1989-02-14 | Raytheon Company | Multi-layered polymer hydrophone array |
| GB2151434B (en) * | 1983-12-02 | 1987-10-14 | Raytheon Co | Multi-layered polymer transducer |
| US5024872A (en) * | 1986-02-27 | 1991-06-18 | Raytheon Company | Sheets of stretched and polarized polymer materials and method of manufacturer |
| FR2601132B1 (fr) * | 1986-07-04 | 1989-03-24 | Inst Francais Du Petrole | Dispositif capteur d'ondes de pression du type piezo-electrique a structure continue et procede pour sa fabrication |
| FR2602946B1 (fr) * | 1986-08-05 | 1989-05-26 | Thomson Csf | Hydrophone notamment pour antenne lineaire remorquee |
| FR2603422B1 (fr) * | 1986-08-27 | 1988-12-30 | Inst Francais Du Petrole | Procede pour realiser des capteurs piezo-electriques continus de sensibilite accrue et capteurs realises suivant le procede |
| GB2256111B (en) * | 1991-04-11 | 1995-02-01 | Univ Southampton | Distributed sensors for active vibration control |
| CA2653202A1 (en) | 2006-05-25 | 2008-06-05 | Ultra-Scan Corporation | Biometrical object reader having an ultrasonic wave manipulation device |
| GB2453695B (en) * | 2006-08-11 | 2011-02-16 | Ultra Scan Corp | Hydrophone array module |
| EP2244489A1 (de) * | 2009-04-24 | 2010-10-27 | Bayer MaterialScience AG | Verfahren zur Herstellung eines elektromechanischen Wandlers |
| CN105516861B (zh) * | 2016-01-20 | 2019-04-12 | 武汉史塔克科技发展有限公司 | 一种控制电晕产生音频的装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2649579A (en) * | 1950-02-01 | 1953-08-18 | Standard Oil Dev Co | Detector for seismic exploration |
| US2807793A (en) * | 1954-10-01 | 1957-09-24 | Exxon Research Engineering Co | Continuous reelable geophone |
| FR2145099A5 (no) * | 1971-07-08 | 1973-02-16 | Inst Francais Du Petrole | |
| US3787642A (en) * | 1971-09-27 | 1974-01-22 | Gte Automatic Electric Lab Inc | Electrostatic transducer having resilient electrode |
| US3736436A (en) * | 1971-11-04 | 1973-05-29 | Mc Donnell Douglas Corp | Electret pressure transducer |
-
1974
- 1974-05-17 FR FR7417545A patent/FR2271733B1/fr not_active Expired
-
1975
- 1975-05-05 BE BE1006639A patent/BE828710A/xx not_active IP Right Cessation
- 1975-05-07 NO NO751646A patent/NO751646L/no unknown
- 1975-05-14 DE DE19752521449 patent/DE2521449A1/de active Granted
- 1975-05-16 SE SE7505652A patent/SE398012B/xx not_active IP Right Cessation
- 1975-05-16 SU SU752140003A patent/SU638287A3/ru active
- 1975-05-16 DK DK217775A patent/DK144606C/da not_active IP Right Cessation
- 1975-05-16 ES ES437751A patent/ES437751A1/es not_active Expired
- 1975-05-16 NL NL7505833A patent/NL7505833A/xx active Search and Examination
- 1975-05-16 JP JP50058459A patent/JPS50159772A/ja active Pending
- 1975-05-16 IT IT23408/75A patent/IT1038186B/it active
- 1975-05-19 GB GB21256/75A patent/GB1505664A/en not_active Expired
-
1977
- 1977-09-02 US US05/830,217 patent/US4245329A/en not_active Expired - Lifetime
-
1984
- 1984-05-09 JP JP1984066601U patent/JPS6038227Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU8130775A (en) | 1976-11-25 |
| ES437751A1 (es) | 1977-01-16 |
| FR2271733A1 (no) | 1975-12-12 |
| DE2521449A1 (de) | 1975-11-27 |
| DK144606B (da) | 1982-04-13 |
| BE828710A (fr) | 1975-11-05 |
| US4245329A (en) | 1981-01-13 |
| IT1038186B (it) | 1979-11-20 |
| DK217775A (da) | 1975-11-18 |
| JPS6038227Y2 (ja) | 1985-11-14 |
| GB1505664A (en) | 1978-03-30 |
| SE7505652L (sv) | 1975-11-18 |
| JPS60576U (ja) | 1985-01-05 |
| DK144606C (da) | 1982-09-27 |
| JPS50159772A (no) | 1975-12-24 |
| SE398012B (sv) | 1977-11-28 |
| NL7505833A (nl) | 1975-11-19 |
| FR2271733B1 (no) | 1979-08-03 |
| SU638287A3 (ru) | 1978-12-15 |
| DE2521449C2 (no) | 1987-10-15 |