LU65968A1 - - Google Patents
Info
- Publication number
- LU65968A1 LU65968A1 LU65968DA LU65968A1 LU 65968 A1 LU65968 A1 LU 65968A1 LU 65968D A LU65968D A LU 65968DA LU 65968 A1 LU65968 A1 LU 65968A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/38—Graded-service arrangements, i.e. some subscribers prevented from establishing certain connections
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712143410 DE2143410C3 (en) | 1971-08-30 | 1971-08-30 | Circuit arrangement for a telephone system with authorization storage means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU65968A1 true LU65968A1 (en) | 1973-01-15 |
Family
ID=5818189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU65968D LU65968A1 (en) | 1971-08-30 | 1972-08-28 |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS4833707A (en) |
| AT (1) | AT320038B (en) |
| BE (1) | BE788182A (en) |
| CH (1) | CH544462A (en) |
| DE (1) | DE2143410C3 (en) |
| FR (1) | FR2151950A5 (en) |
| GB (1) | GB1395193A (en) |
| IT (1) | IT964327B (en) |
| LU (1) | LU65968A1 (en) |
| NL (1) | NL7211028A (en) |
| SE (1) | SE372869B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2919544C2 (en) * | 1979-05-15 | 1988-03-24 | Siemens AG, 1000 Berlin und 8000 München | Circuit arrangement for changing performance features in indirectly controlled switching systems, in particular telephone branch systems, with a central control unit and with data transmission from subscriber stations and other terminals by plugging in identity means |
| DE3328059C2 (en) * | 1983-08-03 | 1986-07-03 | Siemens AG, 1000 Berlin und 8000 München | Method for the selection on the receiving side of data or voice connections running via an exchange of a telecommunications or telephone system |
-
1971
- 1971-08-30 DE DE19712143410 patent/DE2143410C3/en not_active Expired
-
1972
- 1972-07-28 CH CH1131372A patent/CH544462A/en not_active IP Right Cessation
- 1972-08-02 AT AT666772A patent/AT320038B/en not_active IP Right Cessation
- 1972-08-11 NL NL7211028A patent/NL7211028A/xx unknown
- 1972-08-28 LU LU65968D patent/LU65968A1/xx unknown
- 1972-08-28 FR FR7230473A patent/FR2151950A5/fr not_active Expired
- 1972-08-29 IT IT2857872A patent/IT964327B/en active
- 1972-08-30 GB GB4010272A patent/GB1395193A/en not_active Expired
- 1972-08-30 BE BE788182D patent/BE788182A/en unknown
- 1972-08-30 JP JP8707072A patent/JPS4833707A/ja active Pending
- 1972-08-30 SE SE1121272A patent/SE372869B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4833707A (en) | 1973-05-12 |
| FR2151950A5 (en) | 1973-04-20 |
| CH544462A (en) | 1973-11-15 |
| IT964327B (en) | 1974-01-21 |
| AT320038B (en) | 1975-01-27 |
| DE2143410A1 (en) | 1973-03-08 |
| SE372869B (en) | 1975-01-13 |
| BE788182A (en) | 1973-02-28 |
| DE2143410B2 (en) | 1974-07-11 |
| NL7211028A (en) | 1973-03-02 |
| GB1395193A (en) | 1975-05-21 |
| DE2143410C3 (en) | 1975-02-27 |