BE521419A - - Google Patents
Info
- Publication number
- BE521419A BE521419A BE521419DA BE521419A BE 521419 A BE521419 A BE 521419A BE 521419D A BE521419D A BE 521419DA BE 521419 A BE521419 A BE 521419A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Relay Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1084454X | 1952-08-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE521419A true BE521419A (US08197722-20120612-C00042.png) |
Family
ID=4556600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE521419D BE521419A (US08197722-20120612-C00042.png) | 1952-08-04 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE521419A (US08197722-20120612-C00042.png) |
| CH (1) | CH313061A (US08197722-20120612-C00042.png) |
| DE (1) | DE971603C (US08197722-20120612-C00042.png) |
| FR (1) | FR1084454A (US08197722-20120612-C00042.png) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1507684A (en) * | 1921-08-01 | 1924-09-09 | Automatic Electric Co | Automatic telephone system |
| AT97510B (de) * | 1923-02-10 | 1924-07-25 | John Ing Engblom | Selbsttätige Fernsprechvermittlungseinrichtung. |
| DE830529C (de) * | 1950-08-11 | 1952-02-04 | Telefonbau & Normalzeit Gmbh | Schaltungsanordnung fuer Fernsprechanlagen mit mehreren Vermittlungsstellen und Waehlern mit nur einer Bewegungsrichtung |
| DE898461C (de) * | 1951-11-29 | 1953-11-30 | Siemens Ag | Schaltungsanordnung zur Auswertung von mehrstelligen Kennzahlen entsprechenden Stromstossreihen in Fernmeldeanlagen, insbesondere Fernsprechanlagen |
-
0
- BE BE521419D patent/BE521419A/xx unknown
-
1952
- 1952-08-04 CH CH313061D patent/CH313061A/de unknown
-
1953
- 1953-07-14 DE DEA18414A patent/DE971603C/de not_active Expired
- 1953-08-03 FR FR1084454D patent/FR1084454A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH313061A (de) | 1956-03-15 |
| DE971603C (de) | 1959-02-26 |
| FR1084454A (fr) | 1955-01-19 |
