BE498138A - - Google Patents
Info
- Publication number
- BE498138A BE498138A BE498138DA BE498138A BE 498138 A BE498138 A BE 498138A BE 498138D A BE498138D A BE 498138DA BE 498138 A BE498138 A BE 498138A
- 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)
- Monitoring And Testing Of Exchanges (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR868924X | 1949-10-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE498138A true BE498138A (forum.php) |
Family
ID=9346277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE498138D BE498138A (forum.php) | 1949-10-03 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2660620A (forum.php) |
| BE (1) | BE498138A (forum.php) |
| CH (1) | CH297626A (forum.php) |
| DE (1) | DE868924C (forum.php) |
| FR (1) | FR1012472A (forum.php) |
| GB (1) | GB748752A (forum.php) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE567178A (forum.php) * | 1952-07-01 |
-
0
- BE BE498138D patent/BE498138A/xx unknown
-
1949
- 1949-10-03 FR FR1012472D patent/FR1012472A/fr not_active Expired
-
1950
- 1950-09-22 DE DEI2031A patent/DE868924C/de not_active Expired
- 1950-09-28 CH CH297626D patent/CH297626A/fr unknown
- 1950-09-29 GB GB23879/50A patent/GB748752A/en not_active Expired
- 1950-09-30 US US187718A patent/US2660620A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR1012472A (fr) | 1952-07-10 |
| CH297626A (fr) | 1954-03-31 |
| GB748752A (en) | 1956-05-09 |
| DE868924C (de) | 1953-03-02 |
| US2660620A (en) | 1953-11-24 |