DE193935C - - Google Patents
Info
- Publication number
- DE193935C DE193935C DENDAT193935D DE193935DA DE193935C DE 193935 C DE193935 C DE 193935C DE NDAT193935 D DENDAT193935 D DE NDAT193935D DE 193935D A DE193935D A DE 193935DA DE 193935 C DE193935 C DE 193935C
- Authority
- DE
- Germany
- Prior art keywords
- signal
- ball
- rolls
- electromagnet
- armature
- 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 SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Structure Of Telephone Exchanges (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE193935C true DE193935C (https=) |
Family
ID=457120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT193935D Active DE193935C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE193935C (https=) |
-
0
- DE DENDAT193935D patent/DE193935C/de active Active
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