FR2569930B1 - Transducteur omnidirectionnel d'ondes elastiques a large bande passante et procede de fabrication - Google Patents
Transducteur omnidirectionnel d'ondes elastiques a large bande passante et procede de fabricationInfo
- Publication number
- FR2569930B1 FR2569930B1 FR8413296A FR8413296A FR2569930B1 FR 2569930 B1 FR2569930 B1 FR 2569930B1 FR 8413296 A FR8413296 A FR 8413296A FR 8413296 A FR8413296 A FR 8413296A FR 2569930 B1 FR2569930 B1 FR 2569930B1
- Authority
- FR
- France
- Prior art keywords
- manufacture
- elastic wave
- wide bandwidth
- wave transducer
- bandwidth elastic
- Prior art date
- 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
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/02—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by magnetic means, e.g. reluctance
- G01H11/04—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by magnetic means, e.g. reluctance using magnetostrictive devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R15/00—Magnetostrictive transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Transducers For Ultrasonic Waves (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8413296A FR2569930B1 (fr) | 1984-08-28 | 1984-08-28 | Transducteur omnidirectionnel d'ondes elastiques a large bande passante et procede de fabrication |
US06/768,039 US4782471A (en) | 1984-08-28 | 1985-08-21 | Omnidirectional transducer of elastic waves with a wide pass band and production process |
DE8585401673T DE3577476D1 (de) | 1984-08-28 | 1985-08-22 | Allseitiger breitbandwandler elastischer wellen und verfahren zur herstellung. |
EP85401673A EP0177383B1 (fr) | 1984-08-28 | 1985-08-22 | Transducteur omnidirectionnel d'ondes élastiques à large bande passante et procédé de fabrication |
JP60186756A JPS6165598A (ja) | 1984-08-28 | 1985-08-27 | 広い通過帯域を有する単方向弾性波トランスデユーサ及びその製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8413296A FR2569930B1 (fr) | 1984-08-28 | 1984-08-28 | Transducteur omnidirectionnel d'ondes elastiques a large bande passante et procede de fabrication |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2569930A1 FR2569930A1 (fr) | 1986-03-07 |
FR2569930B1 true FR2569930B1 (fr) | 1988-07-22 |
Family
ID=9307246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8413296A Expired FR2569930B1 (fr) | 1984-08-28 | 1984-08-28 | Transducteur omnidirectionnel d'ondes elastiques a large bande passante et procede de fabrication |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2569930B1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110879100B (zh) * | 2019-12-25 | 2021-10-01 | 哈尔滨工程大学 | 一种磁性悬挂二维位移矢量水听器 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE486086C (de) * | 1923-06-30 | 1929-11-08 | Radio Electr Soc Fr | Verfahren zur Umsetzung mechanischer in elektrische Schwingungen |
GB402831A (en) * | 1932-06-10 | 1933-12-11 | Marconi Internat Marine Comm C | Improvements in or relating to pressure wave transmitters and receivers incorporating magneto-strictive devices |
US2670446A (en) * | 1952-03-27 | 1954-02-23 | Raytheon Mfg Co | Magnetostrictive transducer |
FR2503515B1 (fr) * | 1981-04-01 | 1985-12-27 | Klein Siegfried | Haut-parleur omnidirectionnel pour les frequences aigues du spectre sonore |
DE3138566A1 (de) * | 1981-09-28 | 1983-04-07 | Siegfried Dr. 75009 Paris Klein | Lautsprecher, insbesondere hochtonlautsprecher |
-
1984
- 1984-08-28 FR FR8413296A patent/FR2569930B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2569930A1 (fr) | 1986-03-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AM | Act modifying the rights related to an application or a patent | ||
ST | Notification of lapse |