BE498945A - - Google Patents
Info
- Publication number
- BE498945A BE498945A BE498945DA BE498945A BE 498945 A BE498945 A BE 498945A BE 498945D A BE498945D A BE 498945DA BE 498945 A BE498945 A BE 498945A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Relay Circuits (AREA)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US123745A US2680155A (en) | 1949-10-26 | 1949-10-26 | Telephone system using magnetic recorder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE498945A true BE498945A (da) |
Family
ID=22410629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE498945D BE498945A (da) | 1949-10-26 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2680155A (da) |
| BE (1) | BE498945A (da) |
| GB (1) | GB693014A (da) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL94981C (da) * | 1950-05-18 | |||
| GB746942A (en) * | 1952-05-27 | 1956-03-21 | British Telecomm Res Ltd | Improvements in or relating to telephone or like systems |
| US3083356A (en) * | 1953-04-13 | 1963-03-26 | Gen Dynamics Corp | Data transmitting and recording system |
| NL194193A (da) * | 1954-02-08 | |||
| US3011029A (en) * | 1954-03-25 | 1961-11-28 | Bell Telephone Labor Inc | Magnetic drum translator for automatic toll switching center |
| BE536834A (da) * | 1954-03-26 | |||
| US2938957A (en) * | 1955-02-11 | 1960-05-31 | Gen Telephone Lab Inc | Automatic toll ticketing telephone systems |
| US2901545A (en) * | 1955-04-08 | 1959-08-25 | Gen Telephone Lab Inc | Director hunter and selector |
| DE1074663B (de) * | 1955-11-24 | 1960-02-04 | Siemens Edison Swan Limited, London | Schaltungsanordnung für Umrechner in Fernmelde-, insbesondere Fernsprechanlagen |
| US2876288A (en) * | 1955-12-20 | 1959-03-03 | Bell Telephone Labor Inc | Magnetic drum auxiliary sender for telephone switching system |
| GB805328A (en) * | 1956-01-24 | 1958-12-03 | Siemens Edison Swan Ltd | Improvements relating to automatic telephone exchange systems |
| GB867009A (en) * | 1956-08-28 | 1961-05-03 | Standard Telephones Cables Ltd | Improvements in or relating to data insertion equipment |
| US2925468A (en) * | 1956-09-21 | 1960-02-16 | Gen Dynamics Corp | Automatic toll ticketing system with restricted service |
| GB831189A (en) * | 1956-11-16 | 1960-03-23 | Automatic Telephone & Elect | Improvements in or relating to routine testing equipment for use in automatic telephone exchanges |
| US3055983A (en) * | 1957-01-23 | 1962-09-25 | British Telecomm Res Ltd | Telephone or like systems |
| US3106613A (en) * | 1957-07-16 | 1963-10-08 | British Telecomm Res Ltd | Telephone call fee registering arrangements |
| US3079594A (en) * | 1957-08-08 | 1963-02-26 | Ibm | Decoding device |
| NL235352A (da) * | 1958-01-22 | |||
| US3221307A (en) * | 1960-12-07 | 1965-11-30 | Ibm | Automatic tape unit selector |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1277440A (en) * | 1916-06-17 | 1918-09-03 | Western Electric Co | Telephone-exchange system. |
| US2112951A (en) * | 1934-04-28 | 1938-04-05 | Bell Telephone Labor Inc | Telephone system |
| FR838421A (fr) * | 1937-05-27 | 1939-03-06 | Ibm | Moyens et méthode de calcul |
| US2394990A (en) * | 1937-10-30 | 1946-02-19 | Stanolind Oil & Gas Co | Recording system in seismic surveying |
| US2298519A (en) * | 1940-06-21 | 1942-10-13 | Bell Telephone Labor Inc | Telephone system |
| BE442550A (da) * | 1940-08-26 | |||
| US2359617A (en) * | 1941-11-29 | 1944-10-03 | Ibm | Magnetic recording apparatus |
| US2431646A (en) * | 1944-02-28 | 1947-11-25 | Seeburg J P Corp | Selector for automatic phonographs |
| US2416445A (en) * | 1944-11-04 | 1947-02-25 | Seeburg J P Corp | Automatic phonograph |
| US2670212A (en) * | 1946-02-23 | 1954-02-23 | Heller | Sound recording and reproduction system |
| US2567812A (en) * | 1948-03-26 | 1951-09-11 | Bell Telephone Labor Inc | Code transmitter |
| US2564403A (en) * | 1949-01-27 | 1951-08-14 | Teleregister Corp | Electrical and cyclical data posting system |
| US2597866A (en) * | 1949-06-02 | 1952-05-27 | Darrin H Gridley | Data conversion system |
| US2549071A (en) * | 1949-09-10 | 1951-04-17 | Lawton Products Company Inc | Space reservation system |
-
0
- BE BE498945D patent/BE498945A/xx unknown
-
1949
- 1949-10-26 US US123745A patent/US2680155A/en not_active Expired - Lifetime
-
1950
- 1950-10-25 GB GB26028/50A patent/GB693014A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2680155A (en) | 1954-06-01 |
| GB693014A (en) | 1953-06-17 |