DE139403C - - Google Patents
Info
- Publication number
- DE139403C DE139403C DENDAT139403D DE139403DA DE139403C DE 139403 C DE139403 C DE 139403C DE NDAT139403 D DENDAT139403 D DE NDAT139403D DE 139403D A DE139403D A DE 139403DA DE 139403 C DE139403 C DE 139403C
- Authority
- DE
- Germany
- Prior art keywords
- line
- microphone
- branch
- grounded
- shunt
- 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
- H04M9/00—Arrangements for interconnection not involving centralised switching
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE139403C true DE139403C (cs) |
Family
ID=407154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT139403D Active DE139403C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE139403C (cs) |
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0
- DE DENDAT139403D patent/DE139403C/de active Active
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