BE528387A - - Google Patents
Info
- Publication number
- BE528387A BE528387A BE528387DA BE528387A BE 528387 A BE528387 A BE 528387A BE 528387D A BE528387D A BE 528387DA BE 528387 A BE528387 A BE 528387A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Emergency Protection Circuit Devices (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE319080X | 1953-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE528387A true BE528387A (en) |
Family
ID=6151499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE528387D BE528387A (en) | 1953-04-27 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE528387A (en) |
| CH (1) | CH319080A (en) |
| DE (1) | DE939638C (en) |
| FR (1) | FR1105207A (en) |
| GB (1) | GB759645A (en) |
| NL (1) | NL93335C (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE666438C (en) * | 1935-01-29 | 1938-10-19 | Siemens & Halske Akt Ges | Circuit arrangement for two-way connections in telecommunications, in particular telephone systems |
-
0
- BE BE528387D patent/BE528387A/xx unknown
- NL NL93335D patent/NL93335C/xx active
-
1953
- 1953-04-28 DE DEL15368A patent/DE939638C/en not_active Expired
-
1954
- 1954-04-20 CH CH319080D patent/CH319080A/en unknown
- 1954-04-27 FR FR1105207D patent/FR1105207A/en not_active Expired
- 1954-04-27 GB GB12120/54A patent/GB759645A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1105207A (en) | 1955-11-29 |
| GB759645A (en) | 1956-10-24 |
| CH319080A (en) | 1957-01-31 |
| NL93335C (en) | |
| DE939638C (en) | 1956-03-01 |