SE321508B - - Google Patents
Info
- Publication number
- SE321508B SE321508B SE11909/61A SE1190961A SE321508B SE 321508 B SE321508 B SE 321508B SE 11909/61 A SE11909/61 A SE 11909/61A SE 1190961 A SE1190961 A SE 1190961A SE 321508 B SE321508 B SE 321508B
- Authority
- SE
- Sweden
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)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72346A US3175044A (en) | 1960-11-29 | 1960-11-29 | Private branch exchange system with camp on facilities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE321508B true SE321508B (cs) | 1970-03-09 |
Family
ID=22107008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE11909/61A SE321508B (cs) | 1960-11-29 | 1961-11-29 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3175044A (cs) |
| DE (1) | DE1170477B (cs) |
| GB (1) | GB917939A (cs) |
| SE (1) | SE321508B (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GR862801B (en) * | 1986-11-25 | 1986-12-19 | Papadakis Ioannis Tou Nikolaou | Alternative junction system for telephone lines |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE660675C (de) * | 1932-02-03 | 1938-06-01 | Gerhard Seelmann Eggebert Dipl | Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb |
| DE1009249B (de) * | 1956-10-24 | 1957-05-29 | Telefonbau & Normalzeit Gmbh | Schaltungsanordnung fuer Fernsprechnebenstellenanlagen mit Anrufsuchern |
| NL129500C (cs) * | 1959-01-12 |
-
1960
- 1960-11-29 US US72346A patent/US3175044A/en not_active Expired - Lifetime
-
1961
- 1961-11-03 DE DEW30994A patent/DE1170477B/de active Pending
- 1961-11-16 GB GB40991/61A patent/GB917939A/en not_active Expired
- 1961-11-29 SE SE11909/61A patent/SE321508B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB917939A (en) | 1963-02-13 |
| US3175044A (en) | 1965-03-23 |
| DE1170477B (de) | 1964-05-21 |