GB2007941B - Apparatus for use in a telecommunications exchange - Google Patents
Apparatus for use in a telecommunications exchangeInfo
- Publication number
- GB2007941B GB2007941B GB7843388A GB7843388A GB2007941B GB 2007941 B GB2007941 B GB 2007941B GB 7843388 A GB7843388 A GB 7843388A GB 7843388 A GB7843388 A GB 7843388A GB 2007941 B GB2007941 B GB 2007941B
- Authority
- GB
- United Kingdom
- Prior art keywords
- telecommunications exchange
- telecommunications
- exchange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/08—Indicating faults in circuits or apparatus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/20—Testing circuits or apparatus; Circuits or apparatus for detecting, indicating, or signalling faults or troubles
-
- 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)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
- Exchange Systems With Centralized Control (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2749780A DE2749780B1 (en) | 1977-11-07 | 1977-11-07 | Circuit arrangement for telecommunication switching systems, in particular telephone switching systems with operating status memories and playback devices |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2007941A GB2007941A (en) | 1979-05-23 |
GB2007941B true GB2007941B (en) | 1982-02-17 |
Family
ID=6023206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7843388A Expired GB2007941B (en) | 1977-11-07 | 1978-11-06 | Apparatus for use in a telecommunications exchange |
Country Status (6)
Country | Link |
---|---|
CH (1) | CH638938A5 (en) |
DE (1) | DE2749780B1 (en) |
FR (1) | FR2408257A1 (en) |
GB (1) | GB2007941B (en) |
IT (1) | IT1100057B (en) |
LU (1) | LU80478A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT7827086A0 (en) * | 1978-08-29 | 1978-08-29 | Sits Soc It Telecom Siemens | CIRCUIT ARRANGEMENT FOR DETECTION OF DATA CONTAINED IN THE DATA MEMORY OF OPERATING SYSTEMS. |
DE3218277A1 (en) * | 1982-05-14 | 1983-11-17 | Siemens AG, 1000 Berlin und 8000 München | CIRCUIT ARRANGEMENT FOR TELECOMMUNICATION SWITCHING SYSTEMS, ESPECIALLY TELECOMMUNICATION SWITCHING SYSTEMS, WITH A DEVELOPMENT OF THE SWITCHING SYSTEM PROCESSING MULTIPLE COMPUTER SYSTEMS |
DE3931776A1 (en) * | 1989-09-23 | 1991-04-04 | Stollmann Gmbh Computer Und Ko | DIGITAL TELECOMMUNICATION DEVICE |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE790659A (en) * | 1971-10-27 | 1973-04-27 | Siemens Ag | PROCESS FOR EXECUTING OPERATING SERVICES FOLLOWING THE COMPUTER TECHNIQUE IN A TELEPHONE CENTRAL CONTROLLED BY A COMPUTER |
-
1977
- 1977-11-07 DE DE2749780A patent/DE2749780B1/en not_active Ceased
-
1978
- 1978-10-27 CH CH1111078A patent/CH638938A5/en not_active IP Right Cessation
- 1978-11-03 IT IT29395/78A patent/IT1100057B/en active
- 1978-11-03 FR FR7831175A patent/FR2408257A1/en not_active Withdrawn
- 1978-11-06 GB GB7843388A patent/GB2007941B/en not_active Expired
- 1978-11-06 LU LU80478A patent/LU80478A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
GB2007941A (en) | 1979-05-23 |
IT1100057B (en) | 1985-09-28 |
CH638938A5 (en) | 1983-10-14 |
FR2408257A1 (en) | 1979-06-01 |
IT7829395A0 (en) | 1978-11-03 |
DE2749780B1 (en) | 1978-10-05 |
LU80478A1 (en) | 1979-06-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |