BE519952A - - Google Patents
Info
- Publication number
- BE519952A BE519952A BE519952DA BE519952A BE 519952 A BE519952 A BE 519952A BE 519952D A BE519952D A BE 519952DA BE 519952 A BE519952 A BE 519952A
- Authority
- BE
- Belgium
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)
- Selective Calling Equipment (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Magnetically Actuated Valves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE737509X | 1952-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE519952A true BE519952A (it) |
Family
ID=20319744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE519952D BE519952A (it) | 1952-05-16 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2777015A (it) |
| BE (1) | BE519952A (it) |
| DE (1) | DE931291C (it) |
| FR (1) | FR1079359A (it) |
| GB (1) | GB737509A (it) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB779235A (en) * | 1954-04-15 | 1957-07-17 | Automatic Telephone & Elect | Improvements in or relating to telephone systems |
| FR1133024A (fr) * | 1955-07-12 | 1957-03-20 | Constr Telephoniques | Perfectionnements aux systèmes téléphoniques |
| NL211536A (it) * | 1955-10-19 | |||
| GB822409A (en) * | 1956-06-14 | 1959-10-28 | Siemens Edison Swan Ltd | Improvements relating to automatic switching systems |
| NL252009A (it) * | 1958-01-15 | |||
| US3313888A (en) * | 1962-05-15 | 1967-04-11 | Hitachi Ltd | Split-switch crossbar trunking system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2291040A (en) * | 1941-02-08 | 1942-07-28 | Bell Telephone Labor Inc | Switching system |
| US2326458A (en) * | 1942-02-17 | 1943-08-10 | Bell Telephone Labor Inc | Selection system |
| FR973819A (it) * | 1947-10-29 | 1951-02-15 |
-
0
- BE BE519952D patent/BE519952A/xx unknown
-
1953
- 1953-05-12 US US354498A patent/US2777015A/en not_active Expired - Lifetime
- 1953-05-16 FR FR1079359D patent/FR1079359A/fr not_active Expired
- 1953-05-16 DE DET7838A patent/DE931291C/de not_active Expired
- 1953-05-18 GB GB13911/53A patent/GB737509A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1079359A (fr) | 1954-11-29 |
| US2777015A (en) | 1957-01-08 |
| DE931291C (de) | 1955-08-04 |
| GB737509A (en) | 1955-09-28 |