SE310710B - - Google Patents
Info
- Publication number
- SE310710B SE310710B SE6470/63A SE647063A SE310710B SE 310710 B SE310710 B SE 310710B SE 6470/63 A SE6470/63 A SE 6470/63A SE 647063 A SE647063 A SE 647063A SE 310710 B SE310710 B SE 310710B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB27782/62A GB1009037A (en) | 1962-07-19 | 1962-07-19 | Improvements in or relating to electric signalling systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE310710B true SE310710B (xx) | 1969-05-12 |
Family
ID=10265222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE6470/63A SE310710B (xx) | 1962-07-19 | 1963-06-12 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3290448A (xx) |
| CH (1) | CH414755A (xx) |
| GB (1) | GB1009037A (xx) |
| SE (1) | SE310710B (xx) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2816962A (en) * | 1954-11-10 | 1957-12-17 | T S Skillman And Company Pty L | Steady-state signalling using alternating currents |
-
1962
- 1962-07-19 GB GB27782/62A patent/GB1009037A/en not_active Expired
-
1963
- 1963-06-12 SE SE6470/63A patent/SE310710B/xx unknown
- 1963-07-10 US US294125A patent/US3290448A/en not_active Expired - Lifetime
- 1963-07-19 CH CH908063A patent/CH414755A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3290448A (en) | 1966-12-06 |
| CH414755A (de) | 1966-06-15 |
| GB1009037A (en) | 1965-11-03 |