CH672386A5 - - Google Patents
Download PDFInfo
- Publication number
- CH672386A5 CH672386A5 CH434586A CH434586A CH672386A5 CH 672386 A5 CH672386 A5 CH 672386A5 CH 434586 A CH434586 A CH 434586A CH 434586 A CH434586 A CH 434586A CH 672386 A5 CH672386 A5 CH 672386A5
- Authority
- CH
- Switzerland
- Prior art keywords
- membrane
- acoustic signal
- ring
- housing
- sealing ring
- Prior art date
Links
- 239000012528 membrane Substances 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 230000001681 protective effect Effects 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims abstract description 4
- 238000009736 wetting Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 8
- 239000002184 metal Substances 0.000 abstract description 8
- 239000004020 conductor Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000004033 plastic Substances 0.000 description 4
- 238000009415 formwork Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 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
- G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
- G10K9/22—Mountings; Casings
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH434586A CH672386A5 (it) | 1986-11-03 | 1986-11-03 | |
| PCT/CH1987/000132 WO1988003691A1 (en) | 1986-11-03 | 1987-10-01 | Acoustic signal generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH434586A CH672386A5 (it) | 1986-11-03 | 1986-11-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH672386A5 true CH672386A5 (it) | 1989-11-15 |
Family
ID=4274360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH434586A CH672386A5 (it) | 1986-11-03 | 1986-11-03 |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH672386A5 (it) |
| WO (1) | WO1988003691A1 (it) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000001620A1 (en) * | 1998-07-06 | 2000-01-13 | Gerber Ulrich | Method and apparatus for treating liquid with ultrasonic vibrations |
| DE102008063245A1 (de) * | 2008-12-16 | 2010-06-17 | Slg Kunststoff Gmbh | Lautsprechereinheit |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3941634A1 (de) * | 1989-12-15 | 1991-06-20 | Siemens Ag | Schallisolierte halterung eines ultraschallwandlers |
| DE10347021A1 (de) * | 2003-10-07 | 2005-05-04 | Werma Signaltechnik Gmbh & Co | Kalotte für einen Signalgeber |
| DE102011090080B4 (de) * | 2011-12-29 | 2023-02-02 | Endress + Hauser Flowtec Ag | Austauschbarer Ultraschallwandler für ein Ultraschall-Durchflussmessgerät |
| DE102011090079A1 (de) | 2011-12-29 | 2013-07-04 | Endress + Hauser Flowtec Ag | Ultraschallwandler für ein Ultraschall-Durchflussmessgerät |
| DE102013109349A1 (de) * | 2013-08-29 | 2015-03-05 | Endress + Hauser Flowtec Ag | Ultraschallwandler und Ultraschall-Durchflussmessgerät |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1161591B (de) * | 1962-08-14 | 1964-01-23 | Isophon Werke G M B H | Statischer Lautsprecher |
| US3721840A (en) * | 1971-09-14 | 1973-03-20 | Nittan Co Ltd | Sound generator |
| DE2802694A1 (de) * | 1978-01-21 | 1979-07-26 | Quarz Zeit Ag | Elektrische weckeruhr |
| DE3313887C2 (de) * | 1983-04-16 | 1987-01-15 | Stettner & Co, 8560 Lauf | Schallwandler für einen Tonrufgeber |
| GB2145905B (en) * | 1983-08-31 | 1987-05-07 | Kobishi Electric Co Ltd | Audible warning device |
-
1986
- 1986-11-03 CH CH434586A patent/CH672386A5/de not_active IP Right Cessation
-
1987
- 1987-10-01 WO PCT/CH1987/000132 patent/WO1988003691A1/de unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000001620A1 (en) * | 1998-07-06 | 2000-01-13 | Gerber Ulrich | Method and apparatus for treating liquid with ultrasonic vibrations |
| US6214222B1 (en) | 1998-07-06 | 2001-04-10 | Ulrich Gerber | Method and apparatus for treating liquid |
| DE102008063245A1 (de) * | 2008-12-16 | 2010-06-17 | Slg Kunststoff Gmbh | Lautsprechereinheit |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1988003691A1 (en) | 1988-05-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |