CH534995A - Schaltungsanordnung zur Überwachung von PCM-Koppeleinrichtungen - Google Patents
Schaltungsanordnung zur Überwachung von PCM-KoppeleinrichtungenInfo
- Publication number
- CH534995A CH534995A CH74972A CH74972A CH534995A CH 534995 A CH534995 A CH 534995A CH 74972 A CH74972 A CH 74972A CH 74972 A CH74972 A CH 74972A CH 534995 A CH534995 A CH 534995A
- Authority
- CH
- Switzerland
- Prior art keywords
- circuit arrangement
- coupling devices
- pcm coupling
- monitoring
- monitoring pcm
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712102371 DE2102371B2 (de) | 1971-01-19 | 1971-01-19 | Schaltungsanordnung zur ueberwachung von pcm-koppeleinrichtungen |
US46485974A | 1974-04-29 | 1974-04-29 | |
US05/552,000 US4037054A (en) | 1971-01-19 | 1975-02-21 | Circuit arrangement for monitoring PCM couplers |
Publications (1)
Publication Number | Publication Date |
---|---|
CH534995A true CH534995A (de) | 1973-03-15 |
Family
ID=27183149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH74972A CH534995A (de) | 1971-01-19 | 1972-01-19 | Schaltungsanordnung zur Überwachung von PCM-Koppeleinrichtungen |
Country Status (9)
Country | Link |
---|---|
US (1) | US4037054A (de) |
AT (1) | AT324441B (de) |
BE (1) | BE778232A (de) |
CH (1) | CH534995A (de) |
DE (1) | DE2102371B2 (de) |
FR (1) | FR2122874A5 (de) |
GB (1) | GB1370029A (de) |
LU (1) | LU64598A1 (de) |
NL (1) | NL7200659A (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4254498A (en) * | 1978-02-01 | 1981-03-03 | Nippon Telegraph And Telephone Public Corporation | Time division telephone switching systems |
US4266293A (en) * | 1979-06-01 | 1981-05-05 | Farinon Corporation | Protection control unit for a TDM system |
US4345324A (en) * | 1980-07-09 | 1982-08-17 | Christian Rovsing A/S | Process and system for error detection in a computer-controlled telephone exchange |
US4611320A (en) * | 1984-05-21 | 1986-09-09 | Siemens Corporate Research And Support, Inc. | Programmable testing analyzer |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2986602A (en) * | 1958-10-07 | 1961-05-30 | Gen Dynamics Corp | Multiplex communication system |
NL257779A (de) * | 1959-11-25 | |||
US3395254A (en) * | 1964-04-15 | 1968-07-30 | Western Electric Co | Pcm time division communication system conference circuit |
CH443421A (it) * | 1965-05-06 | 1967-09-15 | Sits Soc It Telecom Siemens | Disposizione di circuiti atta a comandare la commutazione esercizio-riserva in una pluralità di canali hertziani, costituita da più canali di esercizio e da un unico canale di riserva |
US3542970A (en) * | 1967-04-28 | 1970-11-24 | Itt | Crossbar switching system with relatively uniform growth characteristics |
AT274054B (de) * | 1967-12-01 | 1969-09-10 | Siemens Ag | Schaltungsanordnung für zentralgesteuerte Fernmeldeanlagen, insbesondere Fernsprechvermittlungsanlagen |
GB1257623A (de) * | 1967-12-11 | 1971-12-22 | Post Office | |
GB1234579A (de) * | 1968-09-24 | 1971-06-03 | ||
GB1245072A (en) * | 1969-02-17 | 1971-09-02 | Automatic Telephone & Elect | Improvements in or relating to checking and fault indicating arrangements |
FR2188924A5 (de) * | 1972-06-15 | 1974-01-18 | Constr Telephoniques | |
DE2240218B2 (de) * | 1972-08-16 | 1977-05-18 | TEKA DE Feiten & Guilleaume Fernmeldeanlagen GmbH, 500 Nürnberg | Ueberwachungseinrichtung fuer ein pulscodemodulationssystem |
-
1971
- 1971-01-19 DE DE19712102371 patent/DE2102371B2/de not_active Withdrawn
- 1971-12-30 FR FR7147475A patent/FR2122874A5/fr not_active Expired
-
1972
- 1972-01-05 AT AT8972A patent/AT324441B/de not_active IP Right Cessation
- 1972-01-17 LU LU64598D patent/LU64598A1/xx unknown
- 1972-01-17 NL NL7200659A patent/NL7200659A/xx unknown
- 1972-01-18 GB GB225872A patent/GB1370029A/en not_active Expired
- 1972-01-19 CH CH74972A patent/CH534995A/de not_active IP Right Cessation
- 1972-01-19 BE BE778232A patent/BE778232A/xx unknown
-
1975
- 1975-02-21 US US05/552,000 patent/US4037054A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
BE778232A (fr) | 1972-07-19 |
AT324441B (de) | 1975-08-25 |
US4037054A (en) | 1977-07-19 |
DE2102371A1 (de) | 1972-07-13 |
GB1370029A (en) | 1974-10-09 |
NL7200659A (de) | 1972-07-21 |
LU64598A1 (de) | 1972-06-22 |
DE2102371B2 (de) | 1972-07-13 |
FR2122874A5 (de) | 1972-09-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |