CH321757A - At least semi-automatic telecommunications installation - Google Patents
At least semi-automatic telecommunications installationInfo
- Publication number
- CH321757A CH321757A CH321757DA CH321757A CH 321757 A CH321757 A CH 321757A CH 321757D A CH321757D A CH 321757DA CH 321757 A CH321757 A CH 321757A
- Authority
- CH
- Switzerland
- Prior art keywords
- semi
- telecommunications installation
- automatic telecommunications
- automatic
- installation
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Relay Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR854672X | 1949-11-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH321757A true CH321757A (en) | 1957-05-15 |
Family
ID=9327871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH321757D CH321757A (en) | 1949-11-24 | 1950-11-16 | At least semi-automatic telecommunications installation |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE499426A (en) |
CH (1) | CH321757A (en) |
DE (1) | DE854672C (en) |
FR (1) | FR1012562A (en) |
GB (1) | GB701523A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL252360A (en) * | 1959-06-12 |
-
0
- BE BE499426D patent/BE499426A/xx unknown
-
1949
- 1949-11-24 FR FR1012562D patent/FR1012562A/en not_active Expired
-
1950
- 1950-11-16 CH CH321757D patent/CH321757A/en unknown
- 1950-11-17 GB GB28190/50A patent/GB701523A/en not_active Expired
- 1950-11-23 DE DEI3540A patent/DE854672C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE854672C (en) | 1952-11-06 |
GB701523A (en) | 1953-12-30 |
FR1012562A (en) | 1952-07-15 |
BE499426A (en) |
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