DE216858C - - Google Patents
Info
- Publication number
- DE216858C DE216858C DENDAT216858D DE216858DA DE216858C DE 216858 C DE216858 C DE 216858C DE NDAT216858 D DENDAT216858 D DE NDAT216858D DE 216858D A DE216858D A DE 216858DA DE 216858 C DE216858 C DE 216858C
- Authority
- DE
- Germany
- Prior art keywords
- circuit
- connection
- switch
- speech
- eavesdropping
- 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)
- Mobile Radio Communication Systems (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE216858C true DE216858C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=478221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT216858D Active DE216858C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE216858C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2033722A1 (de) * | 1970-04-10 | 1971-10-21 | Albe Sa | Maschine fur die schnellste Fertigung grosser Mengen hochgenauer Gegenstande mit kleinen Abmessungen und komplizierter Formgebung, insbesondere von Massen fertigungsteilen |
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0
- DE DENDAT216858D patent/DE216858C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2033722A1 (de) * | 1970-04-10 | 1971-10-21 | Albe Sa | Maschine fur die schnellste Fertigung grosser Mengen hochgenauer Gegenstande mit kleinen Abmessungen und komplizierter Formgebung, insbesondere von Massen fertigungsteilen |