GB1398961A - Data transmission systems - Google Patents
Data transmission systemsInfo
- Publication number
- GB1398961A GB1398961A GB199873A GB199873A GB1398961A GB 1398961 A GB1398961 A GB 1398961A GB 199873 A GB199873 A GB 199873A GB 199873 A GB199873 A GB 199873A GB 1398961 A GB1398961 A GB 1398961A
- Authority
- GB
- United Kingdom
- Prior art keywords
- word
- repeater
- fault
- words
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/12—Arrangements providing for calling or supervisory signals
- H04J3/125—One of the channel pulses or the synchronisation pulse is also used for transmitting monitoring or supervisory signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Time-Division Multiplex Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722201498 DE2201498C3 (de) | 1972-01-13 | System zur Übertragung von Informationen |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1398961A true GB1398961A (en) | 1975-06-25 |
Family
ID=5832908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB199873A Expired GB1398961A (en) | 1972-01-13 | 1973-01-15 | Data transmission systems |
Country Status (8)
Country | Link |
---|---|
AT (1) | AT330246B (nl) |
BE (1) | BE793972A (nl) |
CH (1) | CH547585A (nl) |
FR (1) | FR2168098B1 (nl) |
GB (1) | GB1398961A (nl) |
IT (1) | IT978150B (nl) |
NL (1) | NL158042B (nl) |
SE (1) | SE391851B (nl) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2245122A (en) * | 1990-06-16 | 1991-12-18 | Stc Plc | Telemetry |
GB2417865A (en) * | 2004-09-03 | 2006-03-08 | Marconi Comm Ltd | Monitoring and modifying communications between end nodes at an intermediate node |
-
1973
- 1973-01-12 BE BE793972D patent/BE793972A/xx not_active IP Right Cessation
- 1973-01-13 CH CH42673A patent/CH547585A/xx not_active IP Right Cessation
- 1973-01-15 FR FR7301309A patent/FR2168098B1/fr not_active Expired
- 1973-01-15 IT IT1920373A patent/IT978150B/it active
- 1973-01-15 SE SE7300530A patent/SE391851B/xx unknown
- 1973-01-15 GB GB199873A patent/GB1398961A/en not_active Expired
- 1973-01-15 AT AT30473A patent/AT330246B/de not_active IP Right Cessation
- 1973-01-15 NL NL7300595A patent/NL158042B/nl not_active IP Right Cessation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2245122A (en) * | 1990-06-16 | 1991-12-18 | Stc Plc | Telemetry |
GB2245122B (en) * | 1990-06-16 | 1994-08-03 | Stc Plc | Telemetry |
GB2417865A (en) * | 2004-09-03 | 2006-03-08 | Marconi Comm Ltd | Monitoring and modifying communications between end nodes at an intermediate node |
US7823005B2 (en) | 2004-09-03 | 2010-10-26 | Ericsson Ab | Communications system |
Also Published As
Publication number | Publication date |
---|---|
NL7300595A (nl) | 1973-07-17 |
NL158042B (nl) | 1978-09-15 |
CH547585A (de) | 1974-03-29 |
FR2168098B1 (nl) | 1979-02-23 |
DE2201498B2 (de) | 1976-02-12 |
BE793972A (fr) | 1973-07-12 |
IT978150B (it) | 1974-09-20 |
AT330246B (de) | 1976-06-25 |
ATA30473A (de) | 1975-09-15 |
FR2168098A1 (nl) | 1973-08-24 |
SE391851B (sv) | 1977-02-28 |
DE2201498A1 (de) | 1973-07-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 19930113 |