EP0434344A3 - Edge driven flexural transducer - Google Patents
Edge driven flexural transducer Download PDFInfo
- Publication number
- EP0434344A3 EP0434344A3 EP19900313788 EP90313788A EP0434344A3 EP 0434344 A3 EP0434344 A3 EP 0434344A3 EP 19900313788 EP19900313788 EP 19900313788 EP 90313788 A EP90313788 A EP 90313788A EP 0434344 A3 EP0434344 A3 EP 0434344A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- flexural transducer
- edge driven
- driven flexural
- edge
- transducer
- 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.)
- Granted
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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Transducers For Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US45191389A | 1989-12-18 | 1989-12-18 | |
US451913 | 1989-12-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0434344A2 EP0434344A2 (en) | 1991-06-26 |
EP0434344A3 true EP0434344A3 (en) | 1991-11-13 |
EP0434344B1 EP0434344B1 (en) | 1995-08-23 |
Family
ID=23794226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19900313788 Expired - Lifetime EP0434344B1 (en) | 1989-12-18 | 1990-12-17 | Edge driven flexural transducer |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0434344B1 (en) |
CA (1) | CA2032044A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5805529A (en) * | 1997-09-17 | 1998-09-08 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence Of Her Majesty's Canadian Government | Folded shell projector (FSP) |
US6535459B1 (en) | 2002-04-18 | 2003-03-18 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence In Her Brittanic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Barrel stave projector-stave attachment |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3258738A (en) * | 1963-11-20 | 1966-06-28 | Honeywell Inc | Underwater transducer apparatus |
US4922470A (en) * | 1988-11-15 | 1990-05-01 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence Of Her Majesty's Canadian Government | Barrel stave projector |
-
1990
- 1990-12-12 CA CA 2032044 patent/CA2032044A1/en not_active Abandoned
- 1990-12-17 EP EP19900313788 patent/EP0434344B1/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3258738A (en) * | 1963-11-20 | 1966-06-28 | Honeywell Inc | Underwater transducer apparatus |
US4922470A (en) * | 1988-11-15 | 1990-05-01 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence Of Her Majesty's Canadian Government | Barrel stave projector |
Also Published As
Publication number | Publication date |
---|---|
EP0434344B1 (en) | 1995-08-23 |
CA2032044A1 (en) | 1991-06-19 |
EP0434344A2 (en) | 1991-06-26 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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17P | Request for examination filed |
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Effective date: 19921221 |
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