BE647075A - - Google Patents
Info
- Publication number
- BE647075A BE647075A BE647075DA BE647075A BE 647075 A BE647075 A BE 647075A BE 647075D A BE647075D A BE 647075DA BE 647075 A BE647075 A BE 647075A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
- H04Q3/625—Arrangements in the private branch exchange
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Meter Arrangements (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Telephonic Communication Services (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES84917A DE1178475B (de) | 1963-04-26 | 1963-04-26 | Schaltungsanordnung fuer eine Fernsprech-, insbesondere Fernsprechnebenstellenanlage mit Codewahl und Impulswahl der Sprechstellen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE647075A true BE647075A (fr) | 1964-10-26 |
Family
ID=7512025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE647075D BE647075A (fr) | 1963-04-26 | 1964-04-24 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3426154A (fr) |
| BE (1) | BE647075A (fr) |
| CH (1) | CH411050A (fr) |
| DE (1) | DE1178475B (fr) |
| FR (1) | FR1438196A (fr) |
| GB (1) | GB1029351A (fr) |
| LU (1) | LU45953A1 (fr) |
| NL (1) | NL6404561A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1178475B (de) * | 1963-04-26 | 1964-09-24 | Siemens Ag | Schaltungsanordnung fuer eine Fernsprech-, insbesondere Fernsprechnebenstellenanlage mit Codewahl und Impulswahl der Sprechstellen |
| DE1255735B (de) * | 1966-03-02 | 1967-12-07 | Telefonbau | Schaltungsanordnung fuer Fernsprechnebenstellenanlagen mit Tast-und Impulswahlteilnehmern, von denen die ersteren durch ueber Dioden erfolgende Erdung der Sprechadern die einzelnen Wahlkennzeichen bilden |
| IT1074085B (it) * | 1976-11-24 | 1985-04-17 | Sits Soc It Telecom Siemens | Disposizione circuitale atta a consentire la selezione a tastiera con segnale chiave da parte di utenti telefonici lontani |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2153129A (en) * | 1937-08-31 | 1939-04-04 | Bell Telephone Labor Inc | Telephone system |
| US2300951A (en) * | 1941-07-26 | 1942-11-03 | Bell Telephone Labor Inc | Telephone system |
| US2358237A (en) * | 1942-12-22 | 1944-09-12 | Bell Telephone Labor Inc | Telephone system |
| DK108648C (da) * | 1963-04-05 | 1968-01-22 | Int Standard Electric Corp | Automatisk privatcentral. |
| DE1178475B (de) * | 1963-04-26 | 1964-09-24 | Siemens Ag | Schaltungsanordnung fuer eine Fernsprech-, insbesondere Fernsprechnebenstellenanlage mit Codewahl und Impulswahl der Sprechstellen |
-
1963
- 1963-04-26 DE DES84917A patent/DE1178475B/de active Pending
-
1964
- 1964-04-21 FR FR971675A patent/FR1438196A/fr not_active Expired
- 1964-04-23 GB GB16788/64A patent/GB1029351A/en not_active Expired
- 1964-04-23 US US362205A patent/US3426154A/en not_active Expired - Lifetime
- 1964-04-23 CH CH530064A patent/CH411050A/de unknown
- 1964-04-24 BE BE647075D patent/BE647075A/xx unknown
- 1964-04-24 LU LU45953D patent/LU45953A1/xx unknown
- 1964-04-24 NL NL6404561A patent/NL6404561A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6404561A (fr) | 1964-10-27 |
| DE1178475B (de) | 1964-09-24 |
| CH411050A (de) | 1966-04-15 |
| FR1438196A (fr) | 1966-05-13 |
| LU45953A1 (fr) | 1964-06-24 |
| US3426154A (en) | 1969-02-04 |
| GB1029351A (en) | 1966-05-11 |