DE2523854C3 - Elektromagnetische Warnvorrichtung - Google Patents
Elektromagnetische WarnvorrichtungInfo
- Publication number
- DE2523854C3 DE2523854C3 DE2523854A DE2523854A DE2523854C3 DE 2523854 C3 DE2523854 C3 DE 2523854C3 DE 2523854 A DE2523854 A DE 2523854A DE 2523854 A DE2523854 A DE 2523854A DE 2523854 C3 DE2523854 C3 DE 2523854C3
- Authority
- DE
- Germany
- Prior art keywords
- opening
- wall
- plate
- openings
- warning device
- 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
Links
- 238000013016 damping Methods 0.000 claims description 18
- 239000012528 membrane Substances 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000001228 spectrum Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000008733 trauma Effects 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
-
- 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
- G10K9/13—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means
- G10K9/15—Self-interrupting arrangements
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electromagnetism (AREA)
- Closures For Containers (AREA)
- Electromechanical Clocks (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7418951A FR2273335B1 (enExample) | 1974-05-31 | 1974-05-31 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2523854A1 DE2523854A1 (de) | 1975-12-18 |
| DE2523854B2 DE2523854B2 (de) | 1978-12-21 |
| DE2523854C3 true DE2523854C3 (de) | 1979-08-30 |
Family
ID=9139517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2523854A Expired DE2523854C3 (de) | 1974-05-31 | 1975-05-30 | Elektromagnetische Warnvorrichtung |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4000715A (enExample) |
| DE (1) | DE2523854C3 (enExample) |
| FR (1) | FR2273335B1 (enExample) |
| GB (1) | GB1494406A (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2440052A1 (fr) * | 1978-10-27 | 1980-05-23 | Klaxon Sa | Perfectionnements aux avertisseurs electromagnetiques |
| NZ203265A (en) * | 1982-02-26 | 1985-04-30 | Gen Electric Co Plc | Electroacoustic transducer with attenuating shutter |
| US4813368A (en) * | 1987-09-14 | 1989-03-21 | Physical Systems, Inc. | Musical tea kettle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US758363A (en) * | 1902-11-25 | 1904-04-26 | Hutchison Acoustic Company | Telephone-receiver. |
| US2153500A (en) * | 1936-03-18 | 1939-04-04 | Carl H Fowler | Sound device |
| US3041601A (en) * | 1959-10-08 | 1962-06-26 | Electric Auto Lite Co | Horn frame mounting means |
| US3094972A (en) * | 1962-01-04 | 1963-06-25 | Max H Leavenworth | Sound producing device |
| US3432849A (en) * | 1966-04-29 | 1969-03-11 | Leonard E Earling | Sound generator |
| US3866203A (en) * | 1971-12-06 | 1975-02-11 | Edwards Company Inc | Audible signal apparatus |
-
1974
- 1974-05-31 FR FR7418951A patent/FR2273335B1/fr not_active Expired
-
1975
- 1975-05-23 GB GB22710/75A patent/GB1494406A/en not_active Expired
- 1975-05-29 US US05/583,542 patent/US4000715A/en not_active Expired - Lifetime
- 1975-05-30 DE DE2523854A patent/DE2523854C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1494406A (en) | 1977-12-07 |
| FR2273335B1 (enExample) | 1979-05-25 |
| FR2273335A1 (enExample) | 1975-12-26 |
| DE2523854B2 (de) | 1978-12-21 |
| US4000715A (en) | 1977-01-04 |
| DE2523854A1 (de) | 1975-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2637872A1 (de) | Tongenerator zur erzeugung von maskiertoenen | |
| EP1586219A1 (de) | Lautsprecher | |
| DE19963978A1 (de) | Mehrfach-Dämpfungsvorrichtung für ein Lautsprechersystem einer Bildschirmeinrichtung | |
| DE3933170A1 (de) | Verfahren und vorrichtung zur stereophonen tonwiedergabe | |
| DE69329925T2 (de) | Fernsehempfänger | |
| DE69027144T2 (de) | Lautsprechersystem | |
| AT398354B (de) | Elektroakustischer wandler mit einer maske | |
| DE2523854C3 (de) | Elektromagnetische Warnvorrichtung | |
| DE3700594A1 (de) | Druckgradientenempfaenger | |
| EP0616483B1 (de) | Elektroakustischer Wandler mit einem Abschlussteil | |
| DE2236017A1 (de) | Stethoskop | |
| DE3144545A1 (de) | Lautsprechersystem | |
| DE1762237C3 (de) | Lautsprecheranlage, insbesondere für die Niederfrequenz-Tonwiedergabe | |
| WO2000038474A2 (de) | Tiefton-membranlautsprecher | |
| DE1537631B1 (de) | Verkleidungs- und Ummantelungsvorrichtung fuer Lautsprecher | |
| DE3807472C1 (enExample) | ||
| EP3632134B1 (de) | Lautsprecherbox und säulenlautsprecherbox | |
| DE29500207U1 (de) | Schallabsorptionselement | |
| DE898763C (de) | Kohlekoernermikrofon | |
| EP1630311B1 (de) | Schallabsorbierende Vorrichtung, insbesondere zur Montage an einer Decke oder Wand | |
| EP0059155B1 (de) | Lautsprecher, insbesondere Kalottenlautsprecher | |
| DE3205731C2 (de) | Lautsprecher, insbesondere Kalottenlautsprecher | |
| DE2822680B2 (de) | Elektroakustischer Wandler | |
| DE2916177A1 (de) | Lautsprecher mit schallfuehrung | |
| DE102012111158A1 (de) | Asymmetrische Hochfrequenzakustik-Steuervorrichtung mit einstellbarem Winkel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |