DE69129737D1 - Wandlerantrieb mit Biegungsmoment - Google Patents
Wandlerantrieb mit BiegungsmomentInfo
- Publication number
- DE69129737D1 DE69129737D1 DE69129737T DE69129737T DE69129737D1 DE 69129737 D1 DE69129737 D1 DE 69129737D1 DE 69129737 T DE69129737 T DE 69129737T DE 69129737 T DE69129737 T DE 69129737T DE 69129737 D1 DE69129737 D1 DE 69129737D1
- Authority
- DE
- Germany
- Prior art keywords
- torque converter
- converter drive
- drive
- torque
- converter
- 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
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
-
- 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)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US63314290A | 1990-12-24 | 1990-12-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69129737D1 true DE69129737D1 (de) | 1998-08-13 |
DE69129737T2 DE69129737T2 (de) | 1999-03-25 |
Family
ID=24538442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69129737T Expired - Fee Related DE69129737T2 (de) | 1990-12-24 | 1991-12-10 | Wandlerantrieb mit Biegungsmoment |
Country Status (7)
Country | Link |
---|---|
US (1) | US5237543A (de) |
EP (1) | EP0492882B1 (de) |
JP (1) | JP3151263B2 (de) |
AU (1) | AU645376B2 (de) |
CA (1) | CA2056586C (de) |
DE (1) | DE69129737T2 (de) |
ES (1) | ES2117636T3 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5204844A (en) * | 1990-12-24 | 1993-04-20 | General Electric Company | Moment bender transducer |
NO176457C (no) * | 1993-03-15 | 1995-04-05 | Pgs Seres As | Drivenhet for akustiske sendere |
NO301354B1 (no) * | 1994-11-02 | 1997-10-13 | Petroleum Geo Services As | Akustisk kildeanordning |
WO1996025831A1 (en) * | 1995-02-17 | 1996-08-22 | Bolt Beranek And Newman Inc. | Underwater acoustic projector |
US7081699B2 (en) * | 2003-03-31 | 2006-07-25 | The Penn State Research Foundation | Thermoacoustic piezoelectric generator |
JP2005045691A (ja) * | 2003-07-24 | 2005-02-17 | Taiyo Yuden Co Ltd | 圧電振動装置 |
SG11201807944SA (en) | 2016-04-07 | 2018-10-30 | Microfine Materials Tech Pte Ltd | Displacement connectors of high bending stiffness and piezoelectric actuators made of such |
US10744532B1 (en) * | 2016-05-06 | 2020-08-18 | Image Acoustics, Inc. | End driven bender transduction apparatus |
Family Cites Families (12)
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 |
US3154700A (en) * | 1961-01-09 | 1964-10-27 | Joseph T Mcnaney | Piezoelectric transducer force to motion converter |
US3274537A (en) * | 1963-10-17 | 1966-09-20 | William J Toulis | Flexural-extensional electro-mechanical transducer |
US3258738A (en) * | 1963-11-20 | 1966-06-28 | Honeywell Inc | Underwater transducer apparatus |
US3538494A (en) * | 1968-11-26 | 1970-11-03 | Hazeltine Research Inc | Acoustic conversion apparatus |
US3972018A (en) * | 1972-08-10 | 1976-07-27 | Sparton Corporation | Electromechanical transducer |
US4420826A (en) * | 1981-07-06 | 1983-12-13 | Sanders Associates, Inc. | Stress relief for flextensional transducer |
EP0215657B1 (de) * | 1985-09-12 | 1990-03-21 | British Aerospace Public Limited Company | Sonarwandler |
US4764907A (en) * | 1986-04-30 | 1988-08-16 | Allied Corporation | Underwater transducer |
US4742499A (en) * | 1986-06-13 | 1988-05-03 | Image Acoustics, Inc. | Flextensional transducer |
US4754441A (en) * | 1986-12-12 | 1988-06-28 | Image Acoustics, Inc. | Directional flextensional transducer |
US4972390A (en) * | 1989-04-03 | 1990-11-20 | General Instrument Corp. | Stack driven flexural disc transducer |
-
1991
- 1991-11-28 CA CA002056586A patent/CA2056586C/en not_active Expired - Fee Related
- 1991-12-04 AU AU88817/91A patent/AU645376B2/en not_active Ceased
- 1991-12-10 ES ES91311458T patent/ES2117636T3/es not_active Expired - Lifetime
- 1991-12-10 EP EP91311458A patent/EP0492882B1/de not_active Expired - Lifetime
- 1991-12-10 DE DE69129737T patent/DE69129737T2/de not_active Expired - Fee Related
- 1991-12-18 JP JP35313891A patent/JP3151263B2/ja not_active Expired - Fee Related
-
1992
- 1992-04-16 US US07/870,733 patent/US5237543A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP3151263B2 (ja) | 2001-04-03 |
JPH04334296A (ja) | 1992-11-20 |
AU8881791A (en) | 1992-06-25 |
EP0492882A3 (en) | 1993-08-25 |
US5237543A (en) | 1993-08-17 |
AU645376B2 (en) | 1994-01-13 |
EP0492882A2 (de) | 1992-07-01 |
ES2117636T3 (es) | 1998-08-16 |
DE69129737T2 (de) | 1999-03-25 |
EP0492882B1 (de) | 1998-07-08 |
CA2056586C (en) | 2000-03-28 |
CA2056586A1 (en) | 1992-06-25 |
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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 |