FR840047A - Refinements to submarine acoustics transmitters and receivers - Google Patents
Refinements to submarine acoustics transmitters and receiversInfo
- Publication number
- FR840047A FR840047A FR840047DA FR840047A FR 840047 A FR840047 A FR 840047A FR 840047D A FR840047D A FR 840047DA FR 840047 A FR840047 A FR 840047A
- Authority
- FR
- France
- Prior art keywords
- refinements
- transmitters
- receivers
- acoustics
- submarine
- 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
- 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
- G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR840047T | 1937-12-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR840047A true FR840047A (en) | 1939-04-18 |
Family
ID=9300083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR840047D Expired FR840047A (en) | 1937-12-22 | 1937-12-22 | Refinements to submarine acoustics transmitters and receivers |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR840047A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1063632A1 (en) * | 1999-06-23 | 2000-12-27 | Asulab S.A. | Water resistant device for immersion in water and comprising a sound transducer |
US6321868B1 (en) | 1999-06-23 | 2001-11-27 | Asulab S.A. | Watertight apparatus capable of being immersed and including an acoustic transducer |
-
1937
- 1937-12-22 FR FR840047D patent/FR840047A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1063632A1 (en) * | 1999-06-23 | 2000-12-27 | Asulab S.A. | Water resistant device for immersion in water and comprising a sound transducer |
US6321868B1 (en) | 1999-06-23 | 2001-11-27 | Asulab S.A. | Watertight apparatus capable of being immersed and including an acoustic transducer |
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