GB1278372A - Improvements in or relating to telecommunication systems - Google Patents
Improvements in or relating to telecommunication systemsInfo
- Publication number
- GB1278372A GB1278372A GB3592070A GB3592070A GB1278372A GB 1278372 A GB1278372 A GB 1278372A GB 3592070 A GB3592070 A GB 3592070A GB 3592070 A GB3592070 A GB 3592070A GB 1278372 A GB1278372 A GB 1278372A
- Authority
- GB
- United Kingdom
- Prior art keywords
- concentrator
- controller
- subscriber
- calling
- concentrators
- 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
- 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)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691937992 DE1937992B2 (de) | 1969-07-25 | 1969-07-25 | Schaltungsanordnung fuer fernmelde insbesondere fernsprech vermittlungsanlagen |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1278372A true GB1278372A (en) | 1972-06-21 |
Family
ID=5740943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3592070A Expired GB1278372A (en) | 1969-07-25 | 1970-07-24 | Improvements in or relating to telecommunication systems |
Country Status (7)
-
1969
- 1969-07-25 DE DE19691937992 patent/DE1937992B2/de active Pending
-
1970
- 1970-07-21 FR FR7026856A patent/FR2055408A5/fr not_active Expired
- 1970-07-22 CH CH1108970A patent/CH526243A/de not_active IP Right Cessation
- 1970-07-23 AT AT675670A patent/AT302423B/de not_active IP Right Cessation
- 1970-07-23 LU LU61395D patent/LU61395A1/xx unknown
- 1970-07-24 GB GB3592070A patent/GB1278372A/en not_active Expired
- 1970-07-24 BE BE753873D patent/BE753873A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FR2055408A5 (US06534493-20030318-C00166.png) | 1971-05-07 |
AT302423B (de) | 1972-10-10 |
LU61395A1 (US06534493-20030318-C00166.png) | 1970-09-23 |
DE1937992A1 (de) | 1971-02-04 |
BE753873A (US06534493-20030318-C00166.png) | 1971-01-25 |
DE1937992B2 (de) | 1972-02-10 |
CH526243A (de) | 1972-07-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |