DE366896C - - Google Patents
Info
- Publication number
- DE366896C DE366896C DENDAT366896D DE366896DA DE366896C DE 366896 C DE366896 C DE 366896C DE NDAT366896 D DENDAT366896 D DE NDAT366896D DE 366896D A DE366896D A DE 366896DA DE 366896 C DE366896 C DE 366896C
- Authority
- DE
- Germany
- Prior art keywords
- sound
- siren
- drum
- switching mechanism
- resistance
- 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
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 241000269400 Sirenidae Species 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000011664 signaling Effects 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 1
- 238000004804 winding Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Braking Arrangements (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE366896C true DE366896C (cs) |
Family
ID=574526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT366896D Active DE366896C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE366896C (cs) |
-
0
- DE DENDAT366896D patent/DE366896C/de active Active
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