GB744124A - Improvements in or relating to telecommunication systems - Google Patents
Improvements in or relating to telecommunication systemsInfo
- Publication number
- GB744124A GB744124A GB1353750A GB1353750A GB744124A GB 744124 A GB744124 A GB 744124A GB 1353750 A GB1353750 A GB 1353750A GB 1353750 A GB1353750 A GB 1353750A GB 744124 A GB744124 A GB 744124A
- Authority
- GB
- United Kingdom
- Prior art keywords
- junctions
- access
- route
- exchange
- switch
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Structure Of Telephone Exchanges (AREA)
- Telephonic Communication Services (AREA)
- Exchange Systems With Centralized Control (AREA)
Abstract
744,124. Automatic exchange systems. AUTOMATIC TELEPHONE & ELECTRIC CO., Ltd. May 29, 1951 [May 31, 1950], No. 13537/50. Class 40 (4). In a route selecting system with multipled switch outlets, as described in Specification 744,121, fifty junctions to one exchange are allocated to twenty routes Pp-Pt, Qp-Qt, Rp-Rt, Sp-St, as shown in Fig. 9, so that an exchange digit relay-selector in each route has access through a relay hunting switch to three of the junctions. Corresponding outlets of different exchange digit selectors in the same route but serving different 100-groups of lines are commoned to one hunting switch. A junction such as 41 may be available to two routes Pp, Pq. In other arrangements (Figs. 7, 8, not shown) each route may have access to one, two or four junctions. Similar arrangements may be made for giving access to PBX lines or to expensive equipments (instead of junctions) to which access is had by a numerical selection. Specifications 656,559, 679,544 and 744,125 also are referred to. Reference has been directed by the Comptroller to Specifications 656,559 and 665,129.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE503646D BE503646A (en) | 1950-05-31 | ||
| GB1353750A GB744124A (en) | 1950-05-31 | 1950-05-31 | Improvements in or relating to telecommunication systems |
| FR1110661D FR1110661A (en) | 1950-05-31 | 1951-05-31 | Improvements to telecommunication systems |
| DEM9695A DE897429C (en) | 1950-05-31 | 1951-06-01 | Telecommunications, in particular telephone systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1353750A GB744124A (en) | 1950-05-31 | 1950-05-31 | Improvements in or relating to telecommunication systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB744124A true GB744124A (en) | 1956-02-01 |
Family
ID=10024773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1353750A Expired GB744124A (en) | 1950-05-31 | 1950-05-31 | Improvements in or relating to telecommunication systems |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE503646A (en) |
| DE (1) | DE897429C (en) |
| FR (1) | FR1110661A (en) |
| GB (1) | GB744124A (en) |
-
0
- BE BE503646D patent/BE503646A/xx unknown
-
1950
- 1950-05-31 GB GB1353750A patent/GB744124A/en not_active Expired
-
1951
- 1951-05-31 FR FR1110661D patent/FR1110661A/en not_active Expired
- 1951-06-01 DE DEM9695A patent/DE897429C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1110661A (en) | 1956-02-15 |
| BE503646A (en) | |
| DE897429C (en) | 1953-11-19 |
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