BE506907A - - Google Patents
Info
- Publication number
- BE506907A BE506907A BE506907DA BE506907A BE 506907 A BE506907 A BE 506907A BE 506907D A BE506907D A BE 506907DA BE 506907 A BE506907 A BE 506907A
- 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
- H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
- H04Q3/525—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using tubes in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US211950A US2769865A (en) | 1951-02-20 | 1951-02-20 | Electronic telephone systems |
| US356817A US2939112A (en) | 1951-02-20 | 1953-05-22 | Communication circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE506907A true BE506907A (US07714131-20100511-C00024.png) |
Family
ID=26906613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE506907D BE506907A (US07714131-20100511-C00024.png) | 1951-02-20 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2939112A (US07714131-20100511-C00024.png) |
| BE (1) | BE506907A (US07714131-20100511-C00024.png) |
| FR (1) | FR1048717A (US07714131-20100511-C00024.png) |
| GB (1) | GB719085A (US07714131-20100511-C00024.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3358139A (en) * | 1960-09-06 | 1967-12-12 | Gen Signal Corp | Car retarder control system |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US822888A (en) * | 1903-07-28 | 1906-06-05 | Ernest A Faller | Visual-signal-receiving system. |
| GB197503A (en) * | 1922-04-12 | 1923-05-17 | Automatic Telephone Mfg Co Ltd | Improvements in or relating to the transmission of telephone numbers or the like |
| GB312706A (en) * | 1928-03-06 | 1929-06-06 | Siemens Brothers & Co Ltd | Improvements relating to electric signalling |
| DE707734C (de) * | 1939-12-21 | 1941-07-02 | Zwietusch E & Co Gmbh | Schaltungsanordnung fuer Rohrpostanlagen mit durch die Buechsen veranlasster Verstellung von Gruppen- und Stationsweichen |
| US2342886A (en) * | 1941-02-25 | 1944-02-29 | Bell Telephone Labor Inc | Printing telegraph apparatus and system |
| US2407320A (en) * | 1942-11-05 | 1946-09-10 | Bell Telephone Labor Inc | Electronic counter |
| US2724789A (en) * | 1945-11-30 | 1955-11-22 | Wilcox P Overbeck | Thyratron counting circuit |
| FR956899A (US07714131-20100511-C00024.png) * | 1946-10-30 | 1950-02-09 | ||
| US2539014A (en) * | 1949-02-16 | 1951-01-23 | Walter J Frantz | Random digit generator |
| US2603716A (en) * | 1949-12-23 | 1952-07-15 | Bell Telephone Labor Inc | Decoder and translator with readily changeable translations |
| US2607891A (en) * | 1950-06-10 | 1952-08-19 | Bell Telephone Labor Inc | Translating circuits utilizing glow discharge devices |
| US2619528A (en) * | 1950-08-15 | 1952-11-25 | Bell Telephone Labor Inc | Selective signaling system |
| US2717994A (en) * | 1951-05-26 | 1955-09-13 | Ibm | Measuring and indicating system |
| US2700146A (en) * | 1952-01-31 | 1955-01-18 | Bell Telephone Labor Inc | Pulse counting and registering system |
-
0
- BE BE506907D patent/BE506907A/xx unknown
-
1951
- 1951-10-15 GB GB24008/51A patent/GB719085A/en not_active Expired
- 1951-11-07 FR FR1048717D patent/FR1048717A/fr not_active Expired
-
1953
- 1953-05-22 US US356817A patent/US2939112A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR1048717A (fr) | 1953-12-23 |
| GB719085A (en) | 1954-11-24 |
| US2939112A (en) | 1960-05-31 |
