DE248085C - - Google Patents
Info
- Publication number
- DE248085C DE248085C DENDAT248085D DE248085DA DE248085C DE 248085 C DE248085 C DE 248085C DE NDAT248085 D DENDAT248085 D DE NDAT248085D DE 248085D A DE248085D A DE 248085DA DE 248085 C DE248085 C DE 248085C
- Authority
- DE
- Germany
- Prior art keywords
- armature
- membrane
- electromagnet
- alternating current
- pin
- 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.)
- Active
Links
- 239000012528 membrane Substances 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 230000010355 oscillation Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000005284 excitation Effects 0.000 claims 1
- 241000189705 Dunedin group Species 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 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
- G10K9/12—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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electromagnets (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE248085C true DE248085C (en:Method) |
Family
ID=506827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT248085D Active DE248085C (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE248085C (en:Method) |
-
0
- DE DENDAT248085D patent/DE248085C/de active Active
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