BE748044A - Circuits d'exploration dans un centre de commutation - Google Patents
Circuits d'exploration dans un centre de commutationInfo
- Publication number
- BE748044A BE748044A BE748044DA BE748044A BE 748044 A BE748044 A BE 748044A BE 748044D A BE748044D A BE 748044DA BE 748044 A BE748044 A BE 748044A
- Authority
- BE
- Belgium
- Prior art keywords
- switching center
- exploration
- circuits
- exploration circuits
- switching
- Prior art date
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
- H04Q11/0407—Selecting arrangements for multiplex systems for time-division multiplexing using a stored programme control
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Time-Division Multiplex Systems (AREA)
- Exchange Systems With Centralized Control (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6909623A FR2038833A5 (fr) | 1969-03-31 | 1969-03-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE748044A true BE748044A (fr) | 1970-09-28 |
Family
ID=9031611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE748044D BE748044A (fr) | 1969-03-31 | 1970-03-27 | Circuits d'exploration dans un centre de commutation |
Country Status (5)
Country | Link |
---|---|
US (1) | US3692944A (fr) |
BE (1) | BE748044A (fr) |
ES (1) | ES378051A1 (fr) |
FR (1) | FR2038833A5 (fr) |
GB (1) | GB1269872A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3800094A (en) * | 1971-03-17 | 1974-03-26 | Telefonbau & Normalzeit Gmbh | Centrally controlled telephone system having means for sensing and evaluating changes of the states of loops |
BE792415A (fr) * | 1971-12-29 | 1973-03-30 | Int E U A | Systeme d'exploration des lignes dans un central de telecommunication |
US3825695A (en) * | 1973-02-20 | 1974-07-23 | Ddi Communications Inc | Digital data interface scanning system |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1063991A (en) * | 1963-04-26 | 1967-04-05 | Ass Elect Ind | Improvements relating to automatic telephone exchange systems |
US3420957A (en) * | 1964-11-13 | 1969-01-07 | Bell Telephone Labor Inc | Dial pulse scanning in a program-controlled telephone system |
US3420960A (en) * | 1965-05-14 | 1969-01-07 | Bell Telephone Labor Inc | Apparatus and method for telephone line scanning |
US3532827A (en) * | 1967-10-19 | 1970-10-06 | Bell Telephone Labor Inc | Scanner arrangement for identifying circuits changing their states,storing the times of such change,and determining the character of the change in a communication switching system |
US3517123A (en) * | 1967-11-24 | 1970-06-23 | Bell Telephone Labor Inc | Scanner control means for a stored program controlled switching system |
-
1969
- 1969-03-31 FR FR6909623A patent/FR2038833A5/fr not_active Expired
-
1970
- 1970-03-24 GB GB04114/70A patent/GB1269872A/en not_active Expired
- 1970-03-27 BE BE748044D patent/BE748044A/fr unknown
- 1970-03-30 ES ES378051A patent/ES378051A1/es not_active Expired
- 1970-03-31 US US24114A patent/US3692944A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE2014425A1 (fr) | 1970-10-15 |
GB1269872A (en) | 1972-04-06 |
ES378051A1 (es) | 1972-05-16 |
US3692944A (en) | 1972-09-19 |
FR2038833A5 (fr) | 1971-01-08 |
DE2014425B2 (de) | 1975-09-04 |
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