LU64598A1 - - Google Patents
Info
- Publication number
- LU64598A1 LU64598A1 LU64598DA LU64598A1 LU 64598 A1 LU64598 A1 LU 64598A1 LU 64598D A LU64598D A LU 64598DA LU 64598 A1 LU64598 A1 LU 64598A1
- Authority
- LU
- Luxembourg
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
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 |
|---|---|
| LU64598A1 true LU64598A1 (xx) | 1972-06-22 |
Family
ID=27183149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU64598D LU64598A1 (xx) | 1971-01-19 | 1972-01-17 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4037054A (xx) |
| AT (1) | AT324441B (xx) |
| BE (1) | BE778232A (xx) |
| CH (1) | CH534995A (xx) |
| DE (1) | DE2102371B2 (xx) |
| FR (1) | FR2122874A5 (xx) |
| GB (1) | GB1370029A (xx) |
| LU (1) | LU64598A1 (xx) |
| NL (1) | NL7200659A (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1130900A (en) * | 1978-02-01 | 1982-08-31 | Kanzi Tawara | 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 (xx) * | 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 (xx) * | 1967-12-11 | 1971-12-22 | Post Office | |
| GB1234579A (xx) * | 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 (xx) * | 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 BE BE778232A patent/BE778232A/xx unknown
- 1972-01-19 CH CH74972A patent/CH534995A/de not_active IP Right Cessation
-
1975
- 1975-02-21 US US05/552,000 patent/US4037054A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| AT324441B (de) | 1975-08-25 |
| DE2102371A1 (xx) | 1972-07-13 |
| DE2102371B2 (de) | 1972-07-13 |
| BE778232A (fr) | 1972-07-19 |
| FR2122874A5 (xx) | 1972-09-01 |
| GB1370029A (en) | 1974-10-09 |
| NL7200659A (xx) | 1972-07-21 |
| CH534995A (de) | 1973-03-15 |
| US4037054A (en) | 1977-07-19 |