BE517541A - - Google Patents
Info
- Publication number
- BE517541A BE517541A BE517541DA BE517541A BE 517541 A BE517541 A BE 517541A BE 517541D A BE517541D A BE 517541DA BE 517541 A BE517541 A BE 517541A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
-
- 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)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE759589X | 1951-07-23 | ||
| DEL10927A DE905862C (de) | 1951-07-23 | 1951-11-29 | Schaltungsanordnung fuer Fernsprechanlagen mit Gemeinschaftsanschluessen |
| DEL11540A DE916772C (de) | 1951-07-23 | 1952-02-12 | Schaltungsanordnung fuer Fernsprechanlagen mit Gemeinschaftsanschluessen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE517541A true BE517541A (https=) |
Family
ID=31981805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE517541D BE517541A (https=) | 1951-07-23 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE517541A (https=) |
| DE (2) | DE905862C (https=) |
| FR (2) | FR1067909A (https=) |
| GB (3) | GB759656A (https=) |
| NL (2) | NL90826C (https=) |
-
0
- NL NL93076D patent/NL93076C/xx active
- NL NL90826D patent/NL90826C/xx active
- BE BE517541D patent/BE517541A/xx unknown
-
1951
- 1951-11-29 DE DEL10927A patent/DE905862C/de not_active Expired
-
1952
- 1952-02-12 DE DEL11540A patent/DE916772C/de not_active Expired
- 1952-07-23 GB GB23903/54A patent/GB759656A/en not_active Expired
- 1952-07-23 FR FR1067909D patent/FR1067909A/fr not_active Expired
- 1952-07-23 GB GB18627/52A patent/GB759589A/en not_active Expired
-
1953
- 1953-02-05 FR FR63777D patent/FR63777E/fr not_active Expired
- 1953-02-11 GB GB3848/53A patent/GB759758A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1067909A (fr) | 1954-06-21 |
| NL93076C (https=) | |
| GB759758A (en) | 1956-10-24 |
| FR63777E (fr) | 1955-10-03 |
| GB759656A (en) | 1956-10-24 |
| DE916772C (de) | 1954-08-16 |
| GB759589A (en) | 1956-10-24 |
| DE905862C (de) | 1954-03-08 |
| NL90826C (https=) |