BE623017A - - Google Patents
Info
- Publication number
- BE623017A BE623017A BE623017DA BE623017A BE 623017 A BE623017 A BE 623017A BE 623017D A BE623017D A BE 623017DA BE 623017 A BE623017 A BE 623017A
- Authority
- BE
- Belgium
Links
Classifications
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- 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
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
- H04R7/22—Clamping rim of diaphragm or cone against seating
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES76040A DE1144770B (de) | 1961-09-29 | 1961-09-29 | Elektroakustischer Wandler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE623017A true BE623017A (US06589383-20030708-C00041.png) |
Family
ID=7505841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE623017D BE623017A (US06589383-20030708-C00041.png) | 1961-09-29 |
Country Status (6)
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3453458A (en) * | 1965-04-19 | 1969-07-01 | Clevite Corp | Resonator supporting structure |
| US3359435A (en) * | 1965-05-04 | 1967-12-19 | James E Webb | Holder for crystal resonators |
| US3497729A (en) * | 1967-01-20 | 1970-02-24 | Us Navy | Mount for acoustic transducers |
| US3573394A (en) * | 1967-09-14 | 1971-04-06 | Ind Scient Research Corp | Piezoelectric microphone with biasing means |
| NL6813993A (US06589383-20030708-C00041.png) * | 1968-09-30 | 1970-04-01 | ||
| US3638052A (en) * | 1969-09-22 | 1972-01-25 | Dynamics Corp America | Electroacoustic transducers of the bilaminar flexural vibrating type |
| US3708702A (en) * | 1970-12-02 | 1973-01-02 | Siemens Ag | Electroacoustic transducer |
| US3721840A (en) * | 1971-09-14 | 1973-03-20 | Nittan Co Ltd | Sound generator |
| GB1515287A (en) * | 1974-05-30 | 1978-06-21 | Plessey Co Ltd | Piezoelectric transducers |
| US4240002A (en) * | 1979-04-02 | 1980-12-16 | Motorola, Inc. | Piezoelectric transducer arrangement with integral terminals and housing |
| US4246447A (en) * | 1979-05-29 | 1981-01-20 | Iec Electronics Corporation | Piezoelectric transducer drive |
| CH642503A5 (en) * | 1979-08-02 | 1984-04-13 | Landis & Gyr Ag | Ultrasound converter |
| DE3013788C2 (de) * | 1980-04-10 | 1982-11-25 | Siemens AG, 1000 Berlin und 8000 München | Piezokeramikscheibe für einen Signalgeber zur Erzeugung eines akustischen Signals |
| US4373119A (en) * | 1980-12-05 | 1983-02-08 | Motorola, Inc. | Adjustable transducer |
| US4941202A (en) * | 1982-09-13 | 1990-07-10 | Sanders Associates, Inc. | Multiple segment flextensional transducer shell |
| US4475014A (en) * | 1982-09-13 | 1984-10-02 | Harman-Motive Inc. | Acoustical transducer |
| FR2583115B1 (fr) * | 1985-06-10 | 1989-03-10 | Centre Techn Ind Mecanique | Transducteur electrofluidique du type buse/palette et servovalve hydraulique equipee d'un tel transducteur |
| US4708600A (en) * | 1986-02-24 | 1987-11-24 | Abujudom Ii David N | Piezoelectric fluid pumping apparatus |
| DE68919100T2 (de) * | 1988-03-17 | 1995-03-09 | Tdk Corp | Piezoelektrischer Summer und Verfahren zu dessen Herstellung. |
| IT216578Z2 (it) * | 1989-05-15 | 1991-09-16 | Face Standard Ind | Capsula piezoceramica per apparecchi telefonici. |
-
0
- NL NL283763D patent/NL283763A/xx unknown
- BE BE623017D patent/BE623017A/xx unknown
-
1961
- 1961-09-29 DE DES76040A patent/DE1144770B/de active Pending
-
1962
- 1962-08-20 CH CH993562A patent/CH415759A/de unknown
- 1962-09-26 US US237419A patent/US3222462A/en not_active Expired - Lifetime
- 1962-09-27 GB GB36663/62A patent/GB978202A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB978202A (en) | 1964-12-16 |
| NL283763A (US06589383-20030708-C00041.png) | |
| CH415759A (de) | 1966-06-30 |
| DE1144770B (de) | 1963-03-07 |
| US3222462A (en) | 1965-12-07 |
