BE485493A - - Google Patents
Info
- Publication number
- BE485493A BE485493A BE485493DA BE485493A BE 485493 A BE485493 A BE 485493A BE 485493D A BE485493D A BE 485493DA BE 485493 A BE485493 A BE 485493A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Devices For Supply Of Signal Current (AREA)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US782704A US2582959A (en) | 1947-10-29 | 1947-10-29 | Electron-tube controlled switching system |
Publications (1)
Publication Number | Publication Date |
---|---|
BE485493A true BE485493A (xx) |
Family
ID=25126922
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE485493D BE485493A (xx) | 1947-10-29 |
Country Status (6)
Country | Link |
---|---|
US (1) | US2582959A (xx) |
BE (1) | BE485493A (xx) |
CH (1) | CH277495A (xx) |
FR (1) | FR973819A (xx) |
GB (1) | GB656693A (xx) |
NL (1) | NL143044B (xx) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2674657A (en) * | 1949-04-04 | 1954-04-06 | Itt | Primary-secondary-spread crossbar telephone system |
NL155301B (nl) * | 1949-08-12 | Sumitomo Chemical Co | Werkwijze voor het bereiden van een tweedelige kleefstof, werkwijze ter bereiding van een bisacrylverbinding, alsmede werkwijze voor het hechten van twee voorwerpen aan elkaar. | |
US2686837A (en) * | 1949-09-10 | 1954-08-17 | Bell Telephone Labor Inc | High-speed electronic switching system |
BE498266A (xx) * | 1949-09-23 | |||
BE498523A (xx) * | 1949-10-07 | |||
US2668195A (en) * | 1949-12-29 | 1954-02-02 | Bell Telephone Labor Inc | Marking and switching system |
NL87832C (xx) * | 1950-05-17 | |||
US2672521A (en) * | 1950-10-17 | 1954-03-16 | Bell Telephone Labor Inc | Channel testing circuit |
US2734946A (en) * | 1951-04-03 | 1956-02-14 | Mercer | |
NL86913C (xx) * | 1951-11-12 | |||
US2813929A (en) * | 1951-11-12 | 1957-11-19 | Nederlanden Staat | Automatic signalling system |
BE516931A (xx) * | 1952-01-16 | |||
NL175544B (nl) * | 1952-01-26 | Prodemco S A | Verbrandingsinrichting voor huis- en industrieel afval. | |
US2960575A (en) * | 1952-04-10 | 1960-11-15 | Int Standard Electric Corp | Automatic telecommunication systems |
BE519952A (xx) * | 1952-05-16 | |||
GB784522A (en) * | 1954-10-19 | 1957-10-09 | Gen Electric Co Ltd | Improvements in and relating to automatic telephone systems |
US2773128A (en) * | 1955-02-28 | 1956-12-04 | Itt | Crossbar-switch connector system |
US3007008A (en) * | 1955-07-15 | 1961-10-31 | North Electric Co | Automatic telephone system |
US2999131A (en) * | 1956-06-21 | 1961-09-05 | Ericsson Telefon Ab L M | Group selection stage for automatic telephone exchanges |
FR81607E (xx) * | 1961-04-25 | 1964-01-17 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2291752A (en) * | 1941-02-05 | 1942-08-04 | Bell Telephone Labor Inc | Selecting system |
NL69254C (xx) * | 1941-02-08 | 1900-01-01 | ||
NL68615C (xx) * | 1941-02-08 | 1900-01-01 | ||
US2291040A (en) * | 1941-02-08 | 1942-07-28 | Bell Telephone Labor Inc | Switching system |
US2310452A (en) * | 1941-06-05 | 1943-02-09 | Bell Telephone Labor Inc | Switching system |
BE475754A (xx) * | 1941-11-21 | |||
NL72717C (xx) * | 1941-11-21 | |||
US2317471A (en) * | 1942-02-17 | 1943-04-27 | Bell Telephone Labor Inc | Selection system |
US2326458A (en) * | 1942-02-17 | 1943-08-10 | Bell Telephone Labor Inc | Selection system |
US2326478A (en) * | 1942-02-17 | 1943-08-10 | Bell Telephone Labor Inc | Selection system |
US2348626A (en) * | 1942-11-14 | 1944-05-09 | Bell Telephone Labor Inc | Channel selecting circuit |
GB566445A (en) * | 1943-08-13 | 1944-12-29 | Siemens Brothers & Co Ltd | Improvements relating to searching arrangements in telephone systems |
BE465609A (xx) * | 1944-02-11 |
-
0
- NL NL676716333A patent/NL143044B/xx unknown
- FR FR973819D patent/FR973819A/fr not_active Expired
- BE BE485493D patent/BE485493A/xx unknown
-
1947
- 1947-10-29 US US782704A patent/US2582959A/en not_active Expired - Lifetime
-
1948
- 1948-10-11 CH CH277495D patent/CH277495A/de unknown
- 1948-10-28 GB GB28011/48A patent/GB656693A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2582959A (en) | 1952-01-22 |
GB656693A (en) | 1951-08-29 |
NL143044B (nl) | |
FR973819A (xx) | 1951-02-15 |
CH277495A (de) | 1951-08-31 |