LU66142A1 - - Google Patents
Info
- Publication number
- LU66142A1 LU66142A1 LU66142DA LU66142A1 LU 66142 A1 LU66142 A1 LU 66142A1 LU 66142D A LU66142D A LU 66142DA LU 66142 A1 LU66142 A1 LU 66142A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712147796 DE2147796C3 (en) | 1971-09-24 | 1971-09-24 | Circuit arrangement for telecommunications switching systems, in particular telephone switching systems, with multi-stage switching matrices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU66142A1 true LU66142A1 (en) | 1973-01-17 |
Family
ID=5820503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU66142D LU66142A1 (en) | 1971-09-24 | 1972-09-22 |
Country Status (10)
| Country | Link |
|---|---|
| AT (1) | AT323240B (en) |
| BE (1) | BE789179A (en) |
| CH (1) | CH551727A (en) |
| DE (1) | DE2147796C3 (en) |
| FR (1) | FR2154136A5 (en) |
| GB (1) | GB1383040A (en) |
| IT (1) | IT974642B (en) |
| LU (1) | LU66142A1 (en) |
| NL (1) | NL7212882A (en) |
| SE (1) | SE387214B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4991168A (en) * | 1989-05-08 | 1991-02-05 | At&T Bell Laboratories | Concurrent multi-stage network control arrangement |
-
0
- BE BE789179D patent/BE789179A/en unknown
-
1971
- 1971-09-24 DE DE19712147796 patent/DE2147796C3/en not_active Expired
-
1972
- 1972-08-29 CH CH1270672A patent/CH551727A/en not_active IP Right Cessation
- 1972-09-14 AT AT790072A patent/AT323240B/en not_active IP Right Cessation
- 1972-09-20 FR FR7233248A patent/FR2154136A5/fr not_active Expired
- 1972-09-22 NL NL7212882A patent/NL7212882A/xx not_active Application Discontinuation
- 1972-09-22 IT IT2952172A patent/IT974642B/en active
- 1972-09-22 LU LU66142D patent/LU66142A1/xx unknown
- 1972-09-22 GB GB4390572A patent/GB1383040A/en not_active Expired
- 1972-09-25 SE SE1236472A patent/SE387214B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AT323240B (en) | 1975-06-25 |
| DE2147796B2 (en) | 1974-12-19 |
| NL7212882A (en) | 1973-03-27 |
| FR2154136A5 (en) | 1973-05-04 |
| DE2147796A1 (en) | 1973-03-29 |
| SE387214B (en) | 1976-08-30 |
| CH551727A (en) | 1974-07-15 |
| IT974642B (en) | 1974-07-10 |
| GB1383040A (en) | 1975-02-05 |
| DE2147796C3 (en) | 1975-07-31 |
| BE789179A (en) | 1973-03-22 |