BE528212A - - Google Patents
Info
- Publication number
- BE528212A BE528212A BE528212DA BE528212A BE 528212 A BE528212 A BE 528212A BE 528212D A BE528212D A BE 528212DA BE 528212 A BE528212 A BE 528212A
- 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)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2821574X | 1953-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE528212A true BE528212A (https=) |
Family
ID=7999057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE528212D BE528212A (https=) | 1953-04-21 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2821574A (https=) |
| BE (1) | BE528212A (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2938080A (en) * | 1955-06-30 | 1960-05-24 | Siemens Ag | Party line telephone switching |
| DE1002405B (de) * | 1955-06-30 | 1957-02-14 | Siemens Ag | Schaltungsanordnung fuer Fernsprechanlagen mit Gesellschaftsleitungen und Leitungswaehlern mit zwei Bewegungsrichtungen |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1572222A (en) * | 1919-03-31 | 1926-02-09 | Stromberg Carlson Telephone | Telephone switching system |
| US1527820A (en) * | 1919-07-01 | 1925-02-24 | Stromberg Carlson Telephone | Automatic telephone system |
| US1837801A (en) * | 1927-12-09 | 1931-12-22 | Ass Telephone & Telegraph Co | Telephone system |
| US1877883A (en) * | 1931-10-19 | 1932-09-20 | Associated Electric Lab Inc | Automatic telephone system |
| US1891423A (en) * | 1931-11-30 | 1932-12-20 | Associated Electric Lab Inc | Telephone system |
| US2688738A (en) * | 1952-12-26 | 1954-09-07 | Itt | Receiver for remote supervisory and control systems |
-
0
- BE BE528212D patent/BE528212A/xx unknown
-
1954
- 1954-03-31 US US420165A patent/US2821574A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2821574A (en) | 1958-01-28 |