DE234403C - - Google Patents
Info
- Publication number
- DE234403C DE234403C DENDAT234403D DE234403DA DE234403C DE 234403 C DE234403 C DE 234403C DE NDAT234403 D DENDAT234403 D DE NDAT234403D DE 234403D A DE234403D A DE 234403DA DE 234403 C DE234403 C DE 234403C
- Authority
- DE
- Germany
- Prior art keywords
- lever
- writing
- armature
- morse code
- 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
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/12—Manually actuated calamity alarm transmitting arrangements emergency non-personal manually actuated alarm, activators, e.g. details of alarm push buttons mounted on an infrastructure
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Credit Cards Or The Like (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE234403C true DE234403C (enExample) |
Family
ID=494265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT234403D Active DE234403C (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE234403C (enExample) |
-
0
- DE DENDAT234403D patent/DE234403C/de active Active
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