BE474194A - - Google Patents
Info
- Publication number
- BE474194A BE474194A BE474194DA BE474194A BE 474194 A BE474194 A BE 474194A BE 474194D A BE474194D A BE 474194DA BE 474194 A BE474194 A BE 474194A
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL279119X | 1946-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE474194A true BE474194A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=19782230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE474194D BE474194A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1946-01-30 |
Country Status (5)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2790031A (en) * | 1953-05-04 | 1957-04-23 | Gen Telephone Lab Inc | Circuits for rotary selector and connector switches |
| US2810788A (en) * | 1953-05-11 | 1957-10-22 | Gen Telephone Lab Inc | Telephone system using single-motion numerical switches |
| DE1049924B (de) * | 1958-03-11 | 1959-02-05 | Siemens & Halske Aktiengesellschaft, Berlin und München | Schaltungsanordnung für mit Sammelanschlüssen versehene Leitungswähler, welche durch Markiereinrichtungen eingestellt werden, in Fernmelde-, insbesondere Fernsprechanlagen |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1343903A (en) * | 1920-06-22 | Telephone -system | ||
| GB341045A (en) * | 1929-10-09 | 1931-01-09 | Charles Edward Stevens | Improvements in or relating to switching arrangements for automatic and semi-automatic telephone systems |
| GB343460A (en) * | 1929-11-15 | 1931-02-16 | William Hatton | Improvements in or relating to automatic or semi-automatic telephone exchange systems |
| GB355924A (en) * | 1930-08-07 | 1931-09-03 | Siemens Brothers & Co Ltd | Improvements relating to automatic telephone systems |
| FR744372A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1931-11-09 | 1933-04-19 | ||
| GB392280A (en) * | 1932-01-13 | 1933-05-18 | Siemens Brothers & Co Ltd | Improvements relating to automatic telephone systems |
| US2057890A (en) * | 1934-05-09 | 1936-10-20 | Siemens Ag | Telephone system |
| GB437766A (en) * | 1934-08-18 | 1935-11-05 | Siemens Brothers & Co Ltd | Improvements relating to electric selective systems |
| GB451512A (en) * | 1935-02-06 | 1936-08-06 | Automatic Electric Co Ltd | Improvements in or relating to telephone systems |
| FR811704A (fr) * | 1936-12-15 | 1937-04-21 | Materiel Telephonique | Perfectionnements aux systèmes téléphoniques automatiques ou analogues |
| GB563668A (en) * | 1943-03-15 | 1944-08-24 | Pascall Engineering Company Lt | Improvements in apparatus for the fine grinding and mixing of pastes and similar substances |
| NL69491C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1943-05-06 |
-
0
- NL NL65863D patent/NL65863C/xx active
- BE BE474194D patent/BE474194A/xx unknown
-
1947
- 1947-05-03 CH CH279119D patent/CH279119A/fr unknown
- 1947-06-13 FR FR947901D patent/FR947901A/fr not_active Expired
- 1947-07-01 US US758451A patent/US2582967A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR947901A (fr) | 1949-07-18 |
| US2582967A (en) | 1952-01-22 |
| NL65863C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| CH279119A (fr) | 1951-11-15 |