NO129765B - - Google Patents
Download PDFInfo
- Publication number
- NO129765B NO129765B NO01006/72A NO100672A NO129765B NO 129765 B NO129765 B NO 129765B NO 01006/72 A NO01006/72 A NO 01006/72A NO 100672 A NO100672 A NO 100672A NO 129765 B NO129765 B NO 129765B
- Authority
- NO
- Norway
- Prior art keywords
- passage
- rudder
- transducer
- resonant cavity
- vibrator
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000000919 ceramic Substances 0.000 claims description 8
- 230000003068 static effect Effects 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 description 5
- 230000005855 radiation Effects 0.000 description 3
- 239000002775 capsule Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/10—Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2310771A JPS53699B1 (OSRAM) | 1971-04-14 | 1971-04-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO129765B true NO129765B (OSRAM) | 1974-05-20 |
Family
ID=12101230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO01006/72A NO129765B (OSRAM) | 1971-04-14 | 1972-03-24 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3786407A (OSRAM) |
| JP (1) | JPS53699B1 (OSRAM) |
| DE (1) | DE2215849C3 (OSRAM) |
| FR (1) | FR2133622B1 (OSRAM) |
| GB (1) | GB1334216A (OSRAM) |
| NO (1) | NO129765B (OSRAM) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949732B (zh) * | 2010-08-13 | 2011-11-09 | 浙江大学 | 用于深水声波探测的谐振腔式水听器 |
| WO2012151696A1 (en) * | 2011-05-09 | 2012-11-15 | Ultra Electronics Maritime Systems Inc. | Acoustic projector having synchronized acoustic radiators |
| GB2508206B (en) * | 2012-11-23 | 2017-06-28 | Thales Holdings Uk Plc | A transducer for a locator beacon and an underwater locator beacon |
| USD807260S1 (en) * | 2016-04-11 | 2018-01-09 | Christopher Mark Young | Brake conversion hub |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2429104A (en) * | 1943-03-27 | 1947-10-14 | Rca Corp | Signal translating apparatus |
| US2787671A (en) * | 1952-10-06 | 1957-04-02 | Schall Technik Dr Ing Karl Sch | Microphone arrangement |
| US3281769A (en) * | 1963-06-20 | 1966-10-25 | Honeywell Inc | Transducer apparatus |
-
1971
- 1971-04-14 JP JP2310771A patent/JPS53699B1/ja active Pending
-
1972
- 1972-03-24 NO NO01006/72A patent/NO129765B/no unknown
- 1972-03-29 US US00239102A patent/US3786407A/en not_active Expired - Lifetime
- 1972-03-30 DE DE2215849A patent/DE2215849C3/de not_active Expired
- 1972-04-07 GB GB1615672A patent/GB1334216A/en not_active Expired
- 1972-04-11 FR FR727212597A patent/FR2133622B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS53699B1 (OSRAM) | 1978-01-11 |
| US3786407A (en) | 1974-01-15 |
| DE2215849B2 (de) | 1974-02-21 |
| DE2215849A1 (de) | 1972-11-09 |
| DE2215849C3 (de) | 1974-09-26 |
| FR2133622A1 (OSRAM) | 1972-12-01 |
| GB1334216A (en) | 1973-10-17 |
| FR2133622B1 (OSRAM) | 1974-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3262093A (en) | Pressure compensated sonic transducer | |
| US4151437A (en) | Piezoelectric transducers and acoustic antennas which can be immersed to a great depth | |
| US4031418A (en) | Low frequency acoustical piezo-electric transducer | |
| ATE120556T1 (de) | Sender-empfängeranordnung für eine akustische bohrlocheinrichtung mit einem dämpfungs- und verzögerungsgerät. | |
| US10401511B2 (en) | Dual resonant single aperture seismic source | |
| US4949317A (en) | Compliant underwater acoustic baffle | |
| GB716065A (en) | Improvements in or relating to transducers | |
| RU2166840C2 (ru) | Гидроакустическая антенна | |
| US3378814A (en) | Directional transducer | |
| NO129765B (OSRAM) | ||
| JP2012513718A (ja) | 改善された指向性を有する音波変換器及びソナーアンテナ | |
| CN102750941A (zh) | 一种深水超宽带球形换能器 | |
| Szechenyi | Sound transmission through cylinder walls using statistical considerations | |
| CN101819769A (zh) | 水声驻波声场形成装置 | |
| US2977572A (en) | Hydrophone | |
| US5694374A (en) | Process and device to reduce the resonant frequency of the cavities of the submersible transducers | |
| US1451422A (en) | Sound signaling device for dense sound-propagating mediums | |
| US3263209A (en) | Pressure compensated hydrophone | |
| US3706967A (en) | Underwater acoustic projector | |
| SU847522A1 (ru) | Акустический преобразователь | |
| US12042821B1 (en) | Squirter transducer | |
| US3149301A (en) | Electroacoustic transducer | |
| SU361454A1 (ru) | Электромеханический преобразователь | |
| Shanker et al. | Free vibrations of fluid-loaded poroelastic hollow sphere surrounded by a fluid | |
| UA121721C2 (uk) | Глибоководний звуковідбиваючий екран |