BE563550A - - Google Patents
Info
- Publication number
- BE563550A BE563550A BE563550DA BE563550A BE 563550 A BE563550 A BE 563550A BE 563550D A BE563550D A BE 563550DA BE 563550 A BE563550 A BE 563550A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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)
- Structure Of Telephone Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP853456X | 1956-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE563550A true BE563550A (xx) |
Family
ID=13856057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE563550D BE563550A (xx) | 1956-12-28 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2972020A (xx) |
| BE (1) | BE563550A (xx) |
| DE (1) | DE1066627B (xx) |
| GB (1) | GB853456A (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3199226A (en) * | 1961-09-29 | 1965-08-10 | Chester Electronic Lab Inc | Teaching machine |
| DE1223893B (de) * | 1963-08-27 | 1966-09-01 | Standard Elektrik Lorenz Ag | Schaltungsanordnung fuer Steuerzwecke in Fernmeldeanlagen mit Koppelfeldern, insbesondere in Fernsprechanlagen |
| US3482056A (en) * | 1966-11-22 | 1969-12-02 | Northern Electric Co | Identification of a subscriber's request for service |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2341029A (en) * | 1942-07-01 | 1944-02-08 | Bell Telephone Labor Inc | Switching mechanism |
| US2396077A (en) * | 1943-09-29 | 1946-03-05 | Leich Electric Co | Automatic telephone system |
| US2802903A (en) * | 1953-09-11 | 1957-08-13 | Telephone Mfg Co Ltd | Telephone system and apparatus |
-
0
- BE BE563550D patent/BE563550A/xx unknown
- DE DENDAT1066627D patent/DE1066627B/de active Pending
-
1957
- 1957-11-26 GB GB36862/57A patent/GB853456A/en not_active Expired
- 1957-11-29 US US699642A patent/US2972020A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB853456A (en) | 1960-11-09 |
| US2972020A (en) | 1961-02-14 |
| DE1066627B (xx) | 1959-10-08 |