DE107842C - - Google Patents
Info
- Publication number
- DE107842C DE107842C DENDAT107842D DE107842DA DE107842C DE 107842 C DE107842 C DE 107842C DE NDAT107842 D DENDAT107842 D DE NDAT107842D DE 107842D A DE107842D A DE 107842DA DE 107842 C DE107842 C DE 107842C
- Authority
- DE
- Germany
- Prior art keywords
- control
- headphones
- line
- speech
- circuit
- 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
- 238000005336 cracking Methods 0.000 claims description 2
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M5/00—Manual exchanges
- H04M5/10—Manual exchanges using separate plug for each subscriber
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE107842C true DE107842C (https=) |
Family
ID=377868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT107842D Active DE107842C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE107842C (https=) |
-
0
- DE DENDAT107842D patent/DE107842C/de active Active
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