BE503597A - - Google Patents
Info
- Publication number
- BE503597A BE503597A BE503597DA BE503597A BE 503597 A BE503597 A BE 503597A BE 503597D A BE503597D A BE 503597DA BE 503597 A BE503597 A BE 503597A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Exchange Systems With Centralized Control (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL299889X | 1950-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE503597A true BE503597A (no) |
Family
ID=19783209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE503597D BE503597A (no) | 1950-06-16 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE503597A (no) |
| CH (1) | CH299889A (no) |
| DE (1) | DE974596C (no) |
| FR (1) | FR1050285A (no) |
| GB (1) | GB747173A (no) |
| NL (2) | NL84720C (no) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL267039A (no) * | 1960-07-18 | |||
| NL272353A (no) * | 1960-12-21 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191413524A (en) * | 1914-06-03 | 1915-04-01 | Western Electric Co Ltd | Improvements in Automatic Switching Mechanisms and more particularly for use in connection with Telephone Systems. |
| GB191509345A (en) * | 1915-06-25 | 1916-06-26 | Relay Automatic Telephone Co L | Improvements in Automatic and Semi-automatic Telephone Systems. |
| AT126861B (de) * | 1927-07-30 | 1932-02-25 | Gotthilf Ansgarius Betulander | Einrichtung an selbsttätigen Fernsprechsystemen. |
| GB320366A (en) * | 1928-07-10 | 1929-10-10 | Gotthilf Ansgarius Betulander | Improvements in automatic telephone systems |
| GB328314A (en) * | 1928-12-20 | 1930-04-22 | Standard Telephones Cables Ltd | Improvements in or relating to telephone systems |
| FR726007A (fr) * | 1930-10-27 | 1932-05-21 | Ericsson Telefon Ab L M | Perfectionnements aux bureaux centraux téléphoniques automatiques |
-
0
- NL NL@@@@87224UURA patent/NL154221B/xx unknown
- NL NL84720D patent/NL84720C/xx active
- BE BE503597D patent/BE503597A/xx unknown
-
1951
- 1951-05-23 DE DEST3388A patent/DE974596C/de not_active Expired
- 1951-05-25 GB GB12348/51A patent/GB747173A/en not_active Expired
- 1951-05-29 CH CH299889D patent/CH299889A/fr unknown
- 1951-06-15 FR FR1050285D patent/FR1050285A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1050285A (fr) | 1954-01-06 |
| NL84720C (no) | |
| DE974596C (de) | 1961-02-23 |
| GB747173A (en) | 1956-03-28 |
| CH299889A (fr) | 1954-06-30 |
| NL154221B (nl) |