DE69319464T2 - Verbesserter Biegungsmoment-Wandler - Google Patents
Verbesserter Biegungsmoment-WandlerInfo
- Publication number
- DE69319464T2 DE69319464T2 DE69319464T DE69319464T DE69319464T2 DE 69319464 T2 DE69319464 T2 DE 69319464T2 DE 69319464 T DE69319464 T DE 69319464T DE 69319464 T DE69319464 T DE 69319464T DE 69319464 T2 DE69319464 T2 DE 69319464T2
- Authority
- DE
- Germany
- Prior art keywords
- bending moment
- improved bending
- moment converter
- converter
- improved
- 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 - Fee Related
Links
- 238000005452 bending Methods 0.000 title 1
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
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
- G10K9/121—Flextensional transducers
-
- 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
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
- G10K9/122—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means
-
- 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
- H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
- H04R17/08—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/831,837 US5204844A (en) | 1990-12-24 | 1992-02-06 | Moment bender transducer |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69319464D1 DE69319464D1 (de) | 1998-08-13 |
DE69319464T2 true DE69319464T2 (de) | 1999-03-25 |
Family
ID=25259985
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69319464T Expired - Fee Related DE69319464T2 (de) | 1992-02-06 | 1993-02-04 | Verbesserter Biegungsmoment-Wandler |
Country Status (8)
Country | Link |
---|---|
US (1) | US5204844A (de) |
EP (1) | EP0555084B1 (de) |
JP (1) | JP3220549B2 (de) |
AU (1) | AU654252B2 (de) |
CA (1) | CA2087762C (de) |
DE (1) | DE69319464T2 (de) |
ES (1) | ES2118186T3 (de) |
TW (1) | TW201818B (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0809920A4 (de) * | 1995-02-17 | 1999-11-03 | Bolt Beranek & Newman | Akustischer unterwassersender |
CN111229578A (zh) * | 2020-03-11 | 2020-06-05 | 广西玉林浩杰新能源科技有限公司 | 一种双头超声波转换器封口机 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2906991A (en) * | 1955-06-27 | 1959-09-29 | Bendix Aviat Corp | Transducer construction employin employing annular vibrators |
US3227996A (en) * | 1962-06-14 | 1966-01-04 | Edgerton Germeshausen & Grier | Sound-producing system and apparatus |
US3449712A (en) * | 1967-10-31 | 1969-06-10 | Us Navy | Folded transducer transmitting or receiving for low frequency underwater sound |
DE3743339A1 (de) * | 1987-12-21 | 1989-06-29 | Krupp Atlas Elektronik Gmbh | Elektroakustischer wandler, insbesondere fuer unterwasseranwendung |
AU623540B2 (en) * | 1989-07-10 | 1992-05-14 | Saipem Australia Pty. Limited | Acoustic oscillator |
US5333488A (en) * | 1990-04-09 | 1994-08-02 | Matrix Technologies, Inc. | Gauging system with improved setup and operating method |
FR2663182B1 (fr) * | 1990-06-12 | 1992-09-18 | Grosso Gilles | Transducteur electro-acoustique immerge. |
CA2056586C (en) * | 1990-12-24 | 2000-03-28 | David Justa Erickson | Moment bender transducer drive |
DE9200559U1 (de) * | 1992-01-18 | 1992-04-23 | Elma Hans Schmidbauer Gmbh & Co Kg, 7700 Singen, De |
-
1992
- 1992-02-06 US US07/831,837 patent/US5204844A/en not_active Expired - Lifetime
- 1992-09-15 TW TW081107253A patent/TW201818B/zh active
-
1993
- 1993-01-21 CA CA002087762A patent/CA2087762C/en not_active Expired - Fee Related
- 1993-01-25 AU AU32030/93A patent/AU654252B2/en not_active Ceased
- 1993-02-03 JP JP01616093A patent/JP3220549B2/ja not_active Expired - Fee Related
- 1993-02-04 ES ES93300829T patent/ES2118186T3/es not_active Expired - Lifetime
- 1993-02-04 EP EP93300829A patent/EP0555084B1/de not_active Expired - Lifetime
- 1993-02-04 DE DE69319464T patent/DE69319464T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0555084A2 (de) | 1993-08-11 |
US5204844A (en) | 1993-04-20 |
DE69319464D1 (de) | 1998-08-13 |
JP3220549B2 (ja) | 2001-10-22 |
JPH05344591A (ja) | 1993-12-24 |
ES2118186T3 (es) | 1998-09-16 |
CA2087762A1 (en) | 1993-08-07 |
CA2087762C (en) | 2001-04-24 |
EP0555084B1 (de) | 1998-07-08 |
EP0555084A3 (en) | 1993-11-03 |
TW201818B (de) | 1993-03-11 |
AU3203093A (en) | 1993-08-12 |
AU654252B2 (en) | 1994-10-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: LOCKHEED MARTIN CORP., BETHESDA, MD., US |
|
8339 | Ceased/non-payment of the annual fee |