BE500639A - - Google Patents
Info
- Publication number
- BE500639A BE500639A BE500639DA BE500639A BE 500639 A BE500639 A BE 500639A BE 500639D A BE500639D A BE 500639DA BE 500639 A BE500639 A BE 500639A
- 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)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB109750A GB754653A (en) | 1950-01-16 | 1950-01-16 | Improvements in or relating to telecommunication exchange systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE500639A true BE500639A (xx) |
Family
ID=9716100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE500639D BE500639A (xx) | 1950-01-16 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE500639A (xx) |
| CH (1) | CH316036A (xx) |
| DE (1) | DE868929C (xx) |
| FR (1) | FR1041591A (xx) |
| GB (1) | GB754653A (xx) |
| NL (1) | NL93286C (xx) |
-
0
- NL NL93286D patent/NL93286C/xx active
- BE BE500639D patent/BE500639A/xx unknown
-
1950
- 1950-01-16 GB GB109750A patent/GB754653A/en not_active Expired
-
1951
- 1951-01-14 DE DEI3698A patent/DE868929C/de not_active Expired
- 1951-01-16 CH CH316036D patent/CH316036A/fr unknown
- 1951-01-16 FR FR1041591D patent/FR1041591A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE868929C (de) | 1953-03-02 |
| NL93286C (xx) | |
| GB754653A (en) | 1956-08-08 |
| FR1041591A (fr) | 1953-10-26 |
| CH316036A (fr) | 1956-09-15 |