NO131187C - - Google Patents
Info
- Publication number
- NO131187C NO131187C NO2415/73A NO241573A NO131187C NO 131187 C NO131187 C NO 131187C NO 2415/73 A NO2415/73 A NO 2415/73A NO 241573 A NO241573 A NO 241573A NO 131187 C NO131187 C NO 131187C
- Authority
- NO
- Norway
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/02—Selecting arrangements for multiplex systems for frequency-division multiplexing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Railway Tracks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE07606/72A SE355709B (en:Method) | 1972-06-09 | 1972-06-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO131187B NO131187B (en:Method) | 1975-01-06 |
| NO131187C true NO131187C (en:Method) | 1975-04-16 |
Family
ID=20271813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO2415/73A NO131187C (en:Method) | 1972-06-09 | 1973-06-08 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3870955A (en:Method) |
| FI (1) | FI57031C (en:Method) |
| IT (1) | IT994878B (en:Method) |
| NO (1) | NO131187C (en:Method) |
| SE (1) | SE355709B (en:Method) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3991278A (en) * | 1975-06-13 | 1976-11-09 | Bell Telephone Laboratories, Incorporated | Line protection switching system |
| US4002847A (en) * | 1975-12-29 | 1977-01-11 | Bell Telephone Laboratories, Incorporated | Fault isolation in a serial-looped transmission system |
| US4308613A (en) * | 1979-10-12 | 1981-12-29 | Chasek Norman E | Simplex, party-line electromagnetic data packet transmission system with a self seeking alternate routing capability |
| US4417348A (en) * | 1981-04-30 | 1983-11-22 | Bell Telephone Laboratories, Incorporated | Errorless line protection switcher |
| US4395772A (en) * | 1981-04-30 | 1983-07-26 | Bell Telephone Laboratories, Incorporated | Line protection switch controller |
| US4633463A (en) * | 1984-03-28 | 1986-12-30 | Canadian Marconi Corporation | Radio communication system |
| US5058105A (en) * | 1990-04-04 | 1991-10-15 | At&T Bell Laboratories | Network alternate routing arrangement |
| US5182744A (en) * | 1991-01-03 | 1993-01-26 | At&T Bell Laboratories | Telecommunications network restoration architecture |
| GB9625019D0 (en) * | 1996-11-29 | 1997-01-15 | Northern Telecom Ltd | Network restoration routing optimisation |
| US6188666B1 (en) * | 1998-04-28 | 2001-02-13 | At&T Corp. | Restoration method for multiplexed circuits |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1234579A (en:Method) * | 1968-09-24 | 1971-06-03 |
-
1972
- 1972-06-09 SE SE07606/72A patent/SE355709B/xx unknown
-
1973
- 1973-05-15 FI FI1550/73A patent/FI57031C/sv active
- 1973-05-21 US US361986A patent/US3870955A/en not_active Expired - Lifetime
- 1973-06-08 NO NO2415/73A patent/NO131187C/no unknown
- 1973-06-12 IT IT25152/73A patent/IT994878B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| FI57031B (fi) | 1980-01-31 |
| SE355709B (en:Method) | 1973-04-30 |
| NO131187B (en:Method) | 1975-01-06 |
| US3870955A (en) | 1975-03-11 |
| FI57031C (fi) | 1980-05-12 |
| IT994878B (it) | 1975-10-20 |