SE348909B - - Google Patents
Info
- Publication number
- SE348909B SE348909B SE102268A SE102268A SE348909B SE 348909 B SE348909 B SE 348909B SE 102268 A SE102268 A SE 102268A SE 102268 A SE102268 A SE 102268A SE 348909 B SE348909 B SE 348909B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
- H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1967S0107987 DE1298148B (de) | 1967-01-25 | 1967-01-25 | Schaltungsanordnung fuer Fernmeldevermittlungsanlagen, insbesondere Fernsprechvermittlungsanlagen, mit Zweidraht- und Vierdrahtleitungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE348909B true SE348909B (xx) | 1972-09-11 |
Family
ID=7528499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE102268A SE348909B (xx) | 1967-01-25 | 1968-01-25 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE709862A (xx) |
| DE (1) | DE1298148B (xx) |
| FR (1) | FR1551684A (xx) |
| GB (1) | GB1144995A (xx) |
| SE (1) | SE348909B (xx) |
-
1967
- 1967-01-25 DE DE1967S0107987 patent/DE1298148B/de not_active Withdrawn
-
1968
- 1968-01-22 FR FR1551684D patent/FR1551684A/fr not_active Expired
- 1968-01-24 GB GB371168A patent/GB1144995A/en not_active Expired
- 1968-01-25 SE SE102268A patent/SE348909B/xx unknown
- 1968-01-25 BE BE709862D patent/BE709862A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1551684A (xx) | 1968-12-27 |
| DE1298148B (de) | 1969-06-26 |
| GB1144995A (en) | 1969-03-12 |
| BE709862A (xx) | 1968-07-25 |