DE186120C - - Google Patents
Info
- Publication number
- DE186120C DE186120C DENDAT186120D DE186120DA DE186120C DE 186120 C DE186120 C DE 186120C DE NDAT186120 D DENDAT186120 D DE NDAT186120D DE 186120D A DE186120D A DE 186120DA DE 186120 C DE186120 C DE 186120C
- Authority
- DE
- Germany
- Prior art keywords
- spring
- line
- extension
- relay
- key
- 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
- 238000012544 monitoring process Methods 0.000 description 11
- 239000003990 capacitor Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M5/00—Manual exchanges
- H04M5/08—Manual exchanges using connecting means other than cords
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE163853T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE186120C true DE186120C (en:Method) |
Family
ID=5683918
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT186120D Active DE186120C (en:Method) | |||
| DENDAT163853D Active DE163853C (en:Method) | |||
| DE1905173644D Expired - Lifetime DE173644C (en:Method) | 1905-04-07 | 1905-12-02 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT163853D Active DE163853C (en:Method) | |||
| DE1905173644D Expired - Lifetime DE173644C (en:Method) | 1905-04-07 | 1905-12-02 |
Country Status (1)
| Country | Link |
|---|---|
| DE (3) | DE173644C (en:Method) |
-
0
- DE DENDAT186120D patent/DE186120C/de active Active
- DE DENDAT163853D patent/DE163853C/de active Active
-
1905
- 1905-12-02 DE DE1905173644D patent/DE173644C/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE173644C (en:Method) | |
| DE163853C (en:Method) |
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