FR2344199B1 - - Google Patents
Info
- Publication number
- FR2344199B1 FR2344199B1 FR7606457A FR7606457A FR2344199B1 FR 2344199 B1 FR2344199 B1 FR 2344199B1 FR 7606457 A FR7606457 A FR 7606457A FR 7606457 A FR7606457 A FR 7606457A FR 2344199 B1 FR2344199 B1 FR 2344199B1
- 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
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/20—Reflecting arrangements
- G10K11/205—Reflecting arrangements for underwater use
-
- 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
- B06B1/0607—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 multiple elements
- B06B1/0622—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 multiple elements on one surface
- B06B1/0633—Cylindrical array
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7606457A FR2344199A1 (fr) | 1976-03-08 | 1976-03-08 | Antennes acoustiques a large bande passante |
US05/767,293 US4160230A (en) | 1976-03-08 | 1977-02-10 | Acoustic antenna |
GB8894/77A GB1539143A (en) | 1976-03-08 | 1977-03-02 | Acoustic antennae |
DE2709647A DE2709647C2 (de) | 1976-03-08 | 1977-03-05 | Schallempfangsantenne |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7606457A FR2344199A1 (fr) | 1976-03-08 | 1976-03-08 | Antennes acoustiques a large bande passante |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2344199A1 FR2344199A1 (fr) | 1977-10-07 |
FR2344199B1 true FR2344199B1 (fr) | 1978-10-13 |
Family
ID=9170061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7606457A Granted FR2344199A1 (fr) | 1976-03-08 | 1976-03-08 | Antennes acoustiques a large bande passante |
Country Status (4)
Country | Link |
---|---|
US (1) | US4160230A (fr) |
DE (1) | DE2709647C2 (fr) |
FR (1) | FR2344199A1 (fr) |
GB (1) | GB1539143A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3150456A1 (de) * | 1981-12-19 | 1983-06-30 | Fried. Krupp Gmbh, 4300 Essen | Akustische unterwasserantenne |
DE3151028A1 (de) * | 1981-12-23 | 1983-07-28 | Fried. Krupp Gmbh, 4300 Essen | Akustische unterwasserantenne |
FR2570916B1 (fr) * | 1983-06-23 | 1988-04-15 | France Etat Armement | Procede et transducteur electro-acoustique pour emettre ou recevoir des ondes acoustiques dans plusieurs bandes passantes |
US4982385A (en) * | 1989-11-17 | 1991-01-01 | Westinghouse Electric Corp. | Acoustic decoupler for a sonar array |
FR2720588B1 (fr) * | 1994-05-26 | 1996-07-05 | France Etat Armement | Perfectionnement acoustique aux antennes sonar. |
DE102004062128B8 (de) * | 2004-12-23 | 2012-10-18 | Atlas Elektronik Gmbh | Elektroakustischer Wandler und dessen Verwendung |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2438925A (en) * | 1944-08-18 | 1948-04-06 | Bell Telephone Labor Inc | Magnetostrictive submarine signal transmitter or receiver |
US2515154A (en) * | 1946-07-15 | 1950-07-11 | Sangamo Electric Co | Transducer |
US3277428A (en) * | 1964-02-20 | 1966-10-04 | Jack W Sampsell | Transducer array for underwater transponder |
US3393400A (en) * | 1965-07-30 | 1968-07-16 | Navy Usa | Calibration method using transducer array with constant pressure plane wave near-field |
US3504368A (en) * | 1966-10-03 | 1970-03-31 | Sylvania Electric Prod | Fresnel zone beam scanning array |
US3805596A (en) * | 1972-02-24 | 1974-04-23 | C Klahr | High resolution ultrasonic imaging scanner |
JPS565536B2 (fr) * | 1973-05-21 | 1981-02-05 | ||
FR2240813B1 (fr) * | 1973-08-16 | 1976-04-30 | France Etat | |
DE2345155B2 (de) * | 1973-09-07 | 1975-09-25 | Krautkraemer Gmbh, 5000 Koeln | Gruppenweise umgetastete, aus zellenförmig und/oder hierzu senkrechten, streifenförmig angeordneten einzelnen Schwingerelementen bestehendes Ultraschall-Prüfkopfsystem zur zerstörungsfreien Werkstoffprüfung |
-
1976
- 1976-03-08 FR FR7606457A patent/FR2344199A1/fr active Granted
-
1977
- 1977-02-10 US US05/767,293 patent/US4160230A/en not_active Expired - Lifetime
- 1977-03-02 GB GB8894/77A patent/GB1539143A/en not_active Expired
- 1977-03-05 DE DE2709647A patent/DE2709647C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2709647A1 (de) | 1977-09-15 |
DE2709647C2 (de) | 1986-01-02 |
GB1539143A (en) | 1979-01-24 |
US4160230A (en) | 1979-07-03 |
FR2344199A1 (fr) | 1977-10-07 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |