DE108994C - - Google Patents
Info
- Publication number
- DE108994C DE108994C DENDAT108994D DE108994DA DE108994C DE 108994 C DE108994 C DE 108994C DE NDAT108994 D DENDAT108994 D DE NDAT108994D DE 108994D A DE108994D A DE 108994DA DE 108994 C DE108994 C DE 108994C
- Authority
- DE
- Germany
- Prior art keywords
- switch
- circuit
- contact
- breaker
- electromagnet
- 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
- 230000011664 signaling Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000000737 periodic effect 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE108994C true DE108994C (cs) |
Family
ID=378928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT108994D Active DE108994C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE108994C (cs) |
-
0
- DE DENDAT108994D patent/DE108994C/de active Active
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