SE404575B - Enligt tidsfordelningsprincipen arbetande abonnentelefonanleggning - Google Patents
Enligt tidsfordelningsprincipen arbetande abonnentelefonanleggningInfo
- Publication number
- SE404575B SE404575B SE7313832A SE7313832A SE404575B SE 404575 B SE404575 B SE 404575B SE 7313832 A SE7313832 A SE 7313832A SE 7313832 A SE7313832 A SE 7313832A SE 404575 B SE404575 B SE 404575B
- Authority
- SE
- Sweden
- Prior art keywords
- telephone system
- time distribution
- subscriber telephone
- distribution principle
- principle working
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/42314—Systems providing special services or facilities to subscribers in private branch exchanges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/06—Arrangements for interconnection not involving centralised switching involving combinations of interconnecting lines
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4716072A GB1410508A (en) | 1972-10-12 | 1972-10-12 | Telephone systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE404575B true SE404575B (sv) | 1978-10-09 |
Family
ID=10443966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7313832A SE404575B (sv) | 1972-10-12 | 1973-10-11 | Enligt tidsfordelningsprincipen arbetande abonnentelefonanleggning |
Country Status (4)
| Country | Link |
|---|---|
| IE (1) | IE38355B1 (it) |
| IT (1) | IT998744B (it) |
| SE (1) | SE404575B (it) |
| ZA (1) | ZA737860B (it) |
-
1973
- 1973-10-08 IE IE1783/73A patent/IE38355B1/xx unknown
- 1973-10-09 ZA ZA737860A patent/ZA737860B/xx unknown
- 1973-10-11 SE SE7313832A patent/SE404575B/xx unknown
- 1973-10-12 IT IT30099/73A patent/IT998744B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| IT998744B (it) | 1976-02-20 |
| IE38355L (en) | 1974-04-12 |
| IE38355B1 (en) | 1978-03-01 |
| ZA737860B (en) | 1974-10-30 |
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