BE474910A - - Google Patents
Info
- Publication number
- BE474910A BE474910A BE474910DA BE474910A BE 474910 A BE474910 A BE 474910A BE 474910D A BE474910D A BE 474910DA BE 474910 A BE474910 A BE 474910A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
-
- 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)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Structure Of Telephone Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE635727X | 1946-08-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE474910A true BE474910A (ja) |
Family
ID=20313653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE474910D BE474910A (ja) | 1946-08-01 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2566063A (ja) |
| BE (1) | BE474910A (ja) |
| FR (1) | FR950780A (ja) |
| GB (1) | GB635727A (ja) |
| NL (1) | NL65451C (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE498266A (ja) * | 1949-09-23 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1593387A (en) * | 1924-07-05 | 1926-07-20 | Western Electric Co | Telephone-exchange system |
| GB355924A (en) * | 1930-08-07 | 1931-09-03 | Siemens Brothers & Co Ltd | Improvements relating to automatic telephone systems |
-
0
- BE BE474910D patent/BE474910A/xx unknown
- NL NL65451D patent/NL65451C/xx active
-
1947
- 1947-06-27 US US757622A patent/US2566063A/en not_active Expired - Lifetime
- 1947-07-24 GB GB19928/47A patent/GB635727A/en not_active Expired
- 1947-08-01 FR FR950780D patent/FR950780A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2566063A (en) | 1951-08-28 |
| FR950780A (fr) | 1949-10-06 |
| NL65451C (ja) | |
| GB635727A (en) | 1950-04-12 |