CH314169A - Central de télécommunication automatique - Google Patents
Central de télécommunication automatiqueInfo
- Publication number
- CH314169A CH314169A CH314169DA CH314169A CH 314169 A CH314169 A CH 314169A CH 314169D A CH314169D A CH 314169DA CH 314169 A CH314169 A CH 314169A
- Authority
- CH
- Switzerland
- Prior art keywords
- automatic telecommunication
- telecommunication center
- center
- automatic
- telecommunication
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL314169X | 1951-02-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH314169A true CH314169A (fr) | 1956-05-31 |
Family
ID=19783749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH314169D CH314169A (fr) | 1951-02-19 | 1952-02-06 | Central de télécommunication automatique |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE509055A (ja) |
CH (1) | CH314169A (ja) |
DE (1) | DE936273C (ja) |
FR (1) | FR1058853A (ja) |
GB (1) | GB710203A (ja) |
NL (2) | NL87360C (ja) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE322105C (de) * | 1912-09-27 | 1920-06-22 | Western Electric Co Ltd | Schaltungsanordnung fuer Fernsprechanlagen, bei denen anrufende Leitungen mittels selbsttaetiger Schaltwerke an Verbindungsstromkreise angeschlossen werden |
GB333259A (en) * | 1929-05-14 | 1930-08-14 | Gerald Deakin | Improvements in or relating to automatic and semi-automatic telephone exchange systems |
-
0
- NL NL6815570.A patent/NL159336B/xx unknown
- NL NL87360D patent/NL87360C/xx active
- BE BE509055D patent/BE509055A/xx unknown
-
1952
- 1952-02-06 CH CH314169D patent/CH314169A/fr unknown
- 1952-02-08 FR FR1058853D patent/FR1058853A/fr not_active Expired
- 1952-02-09 DE DEST4436A patent/DE936273C/de not_active Expired
- 1952-02-11 GB GB3617/52A patent/GB710203A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB710203A (en) | 1954-06-09 |
BE509055A (ja) | |
FR1058853A (fr) | 1954-03-19 |
NL87360C (ja) | |
NL159336B (nl) | |
DE936273C (de) | 1955-12-07 |
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