ES383954A1 - Central automatica de telecomunicacion. - Google Patents
Central automatica de telecomunicacion.Info
- Publication number
- ES383954A1 ES383954A1 ES383954A ES383954A ES383954A1 ES 383954 A1 ES383954 A1 ES 383954A1 ES 383954 A ES383954 A ES 383954A ES 383954 A ES383954 A ES 383954A ES 383954 A1 ES383954 A1 ES 383954A1
- Authority
- ES
- Spain
- Prior art keywords
- fault detector
- tdm
- highways
- gates
- circuits
- 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
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB47364/69A GB1282034A (en) | 1969-09-25 | 1969-09-25 | Improvements in or relating to telecommunication systems |
Publications (1)
Publication Number | Publication Date |
---|---|
ES383954A1 true ES383954A1 (es) | 1973-03-01 |
Family
ID=10444688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES383954A Expired ES383954A1 (es) | 1969-09-25 | 1970-09-24 | Central automatica de telecomunicacion. |
Country Status (7)
Country | Link |
---|---|
US (1) | US3686441A (es) |
CH (1) | CH528196A (es) |
DE (1) | DE2046742C3 (es) |
ES (1) | ES383954A1 (es) |
FR (1) | FR2062641A5 (es) |
GB (1) | GB1282034A (es) |
NL (1) | NL7014027A (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3909562A (en) * | 1974-09-12 | 1975-09-30 | Int Standard Electric Corp | Switching network testing process and arrangement |
US3996423A (en) * | 1975-11-18 | 1976-12-07 | Bell Telephone Laboratories, Incorporated | Common control failure alarm apparatus |
US4149038A (en) * | 1978-05-15 | 1979-04-10 | Wescom Switching, Inc. | Method and apparatus for fault detection in PCM muliplexed system |
JP2778625B2 (ja) * | 1995-12-04 | 1998-07-23 | 日本電気株式会社 | 故障評定方式 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1240137B (de) * | 1964-09-30 | 1967-05-11 | Siemens Ag | Verfahren und Schaltungsanordnung zur Abwicklung von Betriebsvorgaengen in einem eine Vielzahl von Anschlussleitungen umfassenden Vermittlungssystem |
GB1117292A (en) * | 1966-02-02 | 1968-06-19 | Standard Telephones Cables Ltd | Supervisory apparatus for telecommunication systems |
-
1969
- 1969-09-25 GB GB47364/69A patent/GB1282034A/en not_active Expired
-
1970
- 1970-09-15 US US72269A patent/US3686441A/en not_active Expired - Lifetime
- 1970-09-22 DE DE2046742A patent/DE2046742C3/de not_active Expired
- 1970-09-23 CH CH1404870A patent/CH528196A/de not_active IP Right Cessation
- 1970-09-23 NL NL7014027A patent/NL7014027A/xx unknown
- 1970-09-24 ES ES383954A patent/ES383954A1/es not_active Expired
- 1970-09-25 FR FR7034779A patent/FR2062641A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2062641A5 (es) | 1971-06-25 |
DE2046742C3 (de) | 1978-11-02 |
CH528196A (de) | 1972-09-15 |
DE2046742A1 (de) | 1971-04-08 |
US3686441A (en) | 1972-08-22 |
NL7014027A (es) | 1971-03-29 |
GB1282034A (en) | 1972-07-19 |
DE2046742B2 (de) | 1978-02-09 |
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