GB2135464B - Triplicate signal check circuit - Google Patents
Triplicate signal check circuitInfo
- Publication number
- GB2135464B GB2135464B GB08305054A GB8305054A GB2135464B GB 2135464 B GB2135464 B GB 2135464B GB 08305054 A GB08305054 A GB 08305054A GB 8305054 A GB8305054 A GB 8305054A GB 2135464 B GB2135464 B GB 2135464B
- Authority
- GB
- United Kingdom
- Prior art keywords
- triplicate
- check circuit
- signal check
- signal
- circuit
- 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
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/24—Testing correct operation
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08305054A GB2135464B (en) | 1983-02-19 | 1983-02-19 | Triplicate signal check circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08305054A GB2135464B (en) | 1983-02-19 | 1983-02-19 | Triplicate signal check circuit |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8305054D0 GB8305054D0 (en) | 1983-03-30 |
GB2135464A GB2135464A (en) | 1984-08-30 |
GB2135464B true GB2135464B (en) | 1986-07-02 |
Family
ID=10538488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08305054A Expired GB2135464B (en) | 1983-02-19 | 1983-02-19 | Triplicate signal check circuit |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2135464B (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1209304A (en) * | 1966-11-10 | 1970-10-21 | Automatic Telephone & Elect | Improvements in or relating to electrical pulse monitoring circuits |
GB1521971A (en) * | 1974-10-29 | 1978-08-23 | Standard Telephones Cables Ltd | Phase locked oscillators |
-
1983
- 1983-02-19 GB GB08305054A patent/GB2135464B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2135464A (en) | 1984-08-30 |
GB8305054D0 (en) | 1983-03-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |