BE624997A - - Google Patents
Info
- Publication number
- BE624997A BE624997A BE624997DA BE624997A BE 624997 A BE624997 A BE 624997A BE 624997D A BE624997D A BE 624997DA BE 624997 A BE624997 A BE 624997A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US153468A US3198887A (en) | 1961-11-20 | 1961-11-20 | Distributed telephone line concentrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE624997A true BE624997A (US20030220297A1-20031127-C00033.png) |
Family
ID=22547347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE624997D BE624997A (US20030220297A1-20031127-C00033.png) | 1961-11-20 |
Country Status (7)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3250859A (en) * | 1962-12-31 | 1966-05-10 | American Telephone & Telegraph | Universal line concentrator |
| US3308243A (en) * | 1963-12-16 | 1967-03-07 | Bell Telephone Labor Inc | Establishing intraconcentrator connections in a remote line concentrator system |
| US3462557A (en) * | 1965-12-27 | 1969-08-19 | Bell Telephone Labor Inc | Intra-concentrator call detecting circuit |
| US3778555A (en) * | 1971-07-19 | 1973-12-11 | Digital Telephone Systems Inc | Telephone subscriber line system intra call apparatus and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2037221A (en) * | 1932-04-27 | 1936-04-14 | Associated Electric Lab Inc | Telephone system |
| CH206560A (de) * | 1937-11-22 | 1939-08-15 | Fides Gmbh | Schaltungsanordnung für Fernsprechanlagen mit Haupt- und Unterämtern und Wählerbetrieb. |
| US2850576A (en) * | 1955-10-04 | 1958-09-02 | Line concentrator system | |
| BE554165A (US20030220297A1-20031127-C00033.png) * | 1956-02-29 | |||
| NL267386A (US20030220297A1-20031127-C00033.png) * | 1960-07-22 |
-
0
- NL NL285046D patent/NL285046A/xx unknown
- BE BE624997D patent/BE624997A/xx unknown
-
1961
- 1961-11-20 US US153468A patent/US3198887A/en not_active Expired - Lifetime
-
1962
- 1962-11-02 NL NL62285046A patent/NL141747B/xx not_active IP Right Cessation
- 1962-11-15 GB GB43189/62A patent/GB990545A/en not_active Expired
- 1962-11-17 DE DE19621437054 patent/DE1437054A1/de active Pending
- 1962-11-20 SE SE12442/62A patent/SE317411B/xx unknown
- 1962-11-20 CH CH1358662A patent/CH424875A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1437054A1 (de) | 1968-11-28 |
| GB990545A (en) | 1965-04-28 |
| NL285046A (US20030220297A1-20031127-C00033.png) | |
| NL141747B (nl) | 1974-03-15 |
| US3198887A (en) | 1965-08-03 |
| SE317411B (US20030220297A1-20031127-C00033.png) | 1969-11-17 |
| CH424875A (de) | 1966-11-30 |
