DE294321C - - Google Patents
Info
- Publication number
- DE294321C DE294321C DENDAT294321D DE294321DA DE294321C DE 294321 C DE294321 C DE 294321C DE NDAT294321 D DENDAT294321 D DE NDAT294321D DE 294321D A DE294321D A DE 294321DA DE 294321 C DE294321 C DE 294321C
- Authority
- DE
- Germany
- Prior art keywords
- switching
- station
- pointer
- calling
- possibility
- 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
- 230000007246 mechanism Effects 0.000 claims description 11
- 210000000056 organ Anatomy 0.000 claims description 7
- 230000001419 dependent effect Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/68—Circuit arrangements for preventing eavesdropping
- H04M1/70—Lock-out or secrecy arrangements in party-line systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE294321C true DE294321C (enrdf_load_stackoverflow) |
Family
ID=548891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT294321D Active DE294321C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE294321C (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5326226A (en) * | 1993-05-28 | 1994-07-05 | Philadelphia Mixers Corporation | Continuous curve high solidity hydrofoil impeller |
-
0
- DE DENDAT294321D patent/DE294321C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5326226A (en) * | 1993-05-28 | 1994-07-05 | Philadelphia Mixers Corporation | Continuous curve high solidity hydrofoil impeller |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE294321C (enrdf_load_stackoverflow) | ||
| DE419289C (de) | Schaltungsanordnung fuer den wahlweisen Anschluss einer von zwei an einer gemeinsamen Leitung liegenden Teilnehmerstellen unter Wahrung des Gespraechgeheimnisses | |
| DE156957C (enrdf_load_stackoverflow) | ||
| DE828557C (de) | Schaltungsanordnung fuer kleine Nebenstellenanlagen | |
| DE180497C (enrdf_load_stackoverflow) | ||
| DE106153C (enrdf_load_stackoverflow) | ||
| DE123710C (enrdf_load_stackoverflow) | ||
| DE173836C (enrdf_load_stackoverflow) | ||
| AT81613B (de) | Telephonsystem. Telephonsystem. | |
| DE139401C (enrdf_load_stackoverflow) | ||
| DE322207C (de) | Schaltungsanordnung fuer Fernsprechanlagen mit Haupt- und Nebenstellen und einer Einrichtung zum selbsttaetigen Herstellen der Sprechverbindungen | |
| DE575002C (de) | Schaltungsanordnung fuer Fernsprechanlagen mit mehreren Vermittlungsstellen | |
| AT29089B (de) | Schaltungsanordnung für selbsttätige Fernsprechämter. | |
| DE268459C (enrdf_load_stackoverflow) | ||
| DE118874C (enrdf_load_stackoverflow) | ||
| AT24174B (de) | Gesprächszähler. | |
| DE424092C (de) | Fernsprechanlage mit Handwaehlern | |
| DE241946C (enrdf_load_stackoverflow) | ||
| DE281976C (enrdf_load_stackoverflow) | ||
| DE188751C (enrdf_load_stackoverflow) | ||
| DE161778C (enrdf_load_stackoverflow) | ||
| DE78456C (de) | Fernsprechanlage ohne Vermittelungsamt | |
| DE203677C (enrdf_load_stackoverflow) | ||
| AT361046B (de) | Schaltungsanordnung mit an eine zentrale anschliessbaren peripheriegeraeten | |
| DE171951C (enrdf_load_stackoverflow) |