BE665671A - - Google Patents
Info
- Publication number
- BE665671A BE665671A BE665671DA BE665671A BE 665671 A BE665671 A BE 665671A BE 665671D A BE665671D A BE 665671DA BE 665671 A BE665671 A BE 665671A
- 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
- H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US378351A US3337692A (en) | 1964-06-26 | 1964-06-26 | Line lockout in a cross point switching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE665671A true BE665671A (xx) | 1965-12-21 |
Family
ID=23492792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE665671D BE665671A (xx) | 1964-06-26 | 1965-06-21 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3337692A (xx) |
| BE (1) | BE665671A (xx) |
| DE (1) | DE1295671B (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3475562A (en) * | 1965-03-09 | 1969-10-28 | Siemens Ag | Apparatus for control of seizure of central identification apparatus of a telephone pbx system |
| US3708627A (en) * | 1971-06-15 | 1973-01-02 | Stromberg Carlson Corp | Plug-in line circuit arrangement |
| US3760113A (en) * | 1972-01-26 | 1973-09-18 | Int Standard Electric Corp | Line finder for a common control telephone exchange |
| US3885107A (en) * | 1974-05-06 | 1975-05-20 | American Telephone & Telegraph | Permanent signal lockout interface circuit |
| CH671118A5 (xx) * | 1985-11-14 | 1989-07-31 | Bbc Brown Boveri & Cie |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE918395C (de) * | 1942-10-08 | 1954-09-27 | Telefonbau & Normalzeit Gmbh | Schaltungsanordnung fuer Vorwaehler in Fernsprechanlagen |
| BE519427A (xx) * | 1952-04-24 | |||
| BE525411A (xx) * | 1952-12-31 | |||
| GB916633A (en) * | 1959-01-01 | 1963-01-23 | Ass Elect Ind | Improvements relating to automatic telecommunication switching systems |
| GB946840A (en) * | 1961-08-02 | 1964-01-15 | Ass Elect Ind | Improvements relating to automatic telecommunication switching systems |
-
1964
- 1964-06-26 US US378351A patent/US3337692A/en not_active Expired - Lifetime
-
1965
- 1965-02-16 DE DEA48415A patent/DE1295671B/de active Pending
- 1965-06-21 BE BE665671D patent/BE665671A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1295671B (de) | 1969-05-22 |
| US3337692A (en) | 1967-08-22 |