IT977813B - Sistema di trasmissione di segnali con rivelazioni degli errori - Google Patents
Sistema di trasmissione di segnali con rivelazioni degli erroriInfo
- Publication number
- IT977813B IT977813B IT67382/73A IT6738273A IT977813B IT 977813 B IT977813 B IT 977813B IT 67382/73 A IT67382/73 A IT 67382/73A IT 6738273 A IT6738273 A IT 6738273A IT 977813 B IT977813 B IT 977813B
- Authority
- IT
- Italy
- Prior art keywords
- signal transmission
- transmission system
- error detection
- error
- detection
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/40—Monitoring; Testing of relay systems
- H04B17/401—Monitoring; Testing of relay systems with selective localization
- H04B17/402—Monitoring; Testing of relay systems with selective localization using different frequencies
- H04B17/404—Monitoring; Testing of relay systems with selective localization using different frequencies selected by local filters
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB735572*[A GB1409293A (en) | 1972-02-17 | 1972-02-17 | Signal transmission systems |
Publications (1)
Publication Number | Publication Date |
---|---|
IT977813B true IT977813B (it) | 1974-09-20 |
Family
ID=9831537
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT67382/73A IT977813B (it) | 1972-02-17 | 1973-02-16 | Sistema di trasmissione di segnali con rivelazioni degli errori |
Country Status (6)
Country | Link |
---|---|
US (1) | US3895352A (it) |
AU (1) | AU469714B2 (it) |
DE (1) | DE2307900B2 (it) |
GB (1) | GB1409293A (it) |
IT (1) | IT977813B (it) |
SE (1) | SE388093B (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1205561A (en) * | 1983-03-11 | 1986-06-03 | Kiichi Yamashita | Method of searching fault locations in digital transmission line |
US4742518A (en) * | 1986-05-27 | 1988-05-03 | American Telephone And Telegraph Company, At&T Bell Laboratories | Fault location system for a digital transmission line |
GB2197159B (en) * | 1986-11-05 | 1990-12-12 | Stc Plc | Testing transmission links |
AU634261B2 (en) * | 1989-08-09 | 1993-02-18 | Tasman Cable Company Pty. Limited (Tcc) | Fault location arrangement for digital transmission system |
AU650584B2 (en) * | 1989-08-09 | 1994-06-23 | Tasman Cable Company Pty. Ltd. | Fault location arrangement for digital transmission system |
US5212713A (en) * | 1989-08-09 | 1993-05-18 | Tasman Cable Company | Fault location arrangement for digital transmission systems |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3061679A (en) * | 1959-12-09 | 1962-10-30 | Bell Telephone Labor Inc | Alarm signaling system |
US3210671A (en) * | 1962-04-17 | 1965-10-05 | Automatic Elect Lab | Repeater alarm system for indicating failure of an amplifier |
GB1090374A (en) * | 1964-07-01 | 1967-11-08 | Gen Electric Co Ltd | Improvements in or relating to electric signal repeater circuits |
FR1502676A (fr) * | 1966-06-08 | 1967-11-24 | Bailey Controle | Système de transmission de mesures à multiplexage dans le temps |
US3513443A (en) * | 1967-02-27 | 1970-05-19 | Amp Inc | Selective signalling system with receiver generator |
GB1251121A (it) * | 1969-01-02 | 1971-10-27 | ||
US3715723A (en) * | 1971-12-28 | 1973-02-06 | Nasa | Frequency division multiplex technique |
US3728681A (en) * | 1972-01-06 | 1973-04-17 | Collins Radio Co | Data loop communication priority establishing apparatus |
-
1972
- 1972-02-17 GB GB735572*[A patent/GB1409293A/en not_active Expired
-
1973
- 1973-01-29 US US327667A patent/US3895352A/en not_active Expired - Lifetime
- 1973-01-31 AU AU51606/73A patent/AU469714B2/en not_active Expired
- 1973-02-16 IT IT67382/73A patent/IT977813B/it active
- 1973-02-16 SE SE7302244A patent/SE388093B/xx unknown
- 1973-02-17 DE DE19732307900 patent/DE2307900B2/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE2307900A1 (de) | 1973-09-06 |
AU469714B2 (en) | 1976-02-19 |
SE388093B (sv) | 1976-09-20 |
US3895352A (en) | 1975-07-15 |
DE2307900B2 (de) | 1977-10-13 |
GB1409293A (en) | 1975-10-08 |
AU5160673A (en) | 1974-08-01 |
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