DE160171C - - Google Patents
Info
- Publication number
- DE160171C DE160171C DENDAT160171D DE160171DA DE160171C DE 160171 C DE160171 C DE 160171C DE NDAT160171 D DENDAT160171 D DE NDAT160171D DE 160171D A DE160171D A DE 160171DA DE 160171 C DE160171 C DE 160171C
- Authority
- DE
- Germany
- Prior art keywords
- circuit
- call
- pressed
- line
- button
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M5/00—Manual exchanges
- H04M5/12—Calling substations, e.g. by ringing
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE160171C true DE160171C (forum.php) |
Family
ID=426175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT160171D Active DE160171C (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE160171C (forum.php) |
-
0
- DE DENDAT160171D patent/DE160171C/de active Active
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