BE720549A - - Google Patents
Info
- Publication number
- BE720549A BE720549A BE720549DA BE720549A BE 720549 A BE720549 A BE 720549A BE 720549D A BE720549D A BE 720549DA BE 720549 A BE720549 A BE 720549A
- 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)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66779167A | 1967-09-14 | 1967-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE720549A true BE720549A (en:Method) | 1969-03-10 |
Family
ID=24679657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE720549D BE720549A (en:Method) | 1967-09-14 | 1968-09-09 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3524933A (en:Method) |
| BE (1) | BE720549A (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4035592A (en) * | 1970-12-10 | 1977-07-12 | Societe Francaise Des Telephones Ericsson | Subscriber monitoring unit for electronic telephone exchanges |
| US3800094A (en) * | 1971-03-17 | 1974-03-26 | Telefonbau & Normalzeit Gmbh | Centrally controlled telephone system having means for sensing and evaluating changes of the states of loops |
| US3714556A (en) * | 1971-12-08 | 1973-01-30 | Gte Automatic Electric Lab Inc | Electro-magnetic current-sensing scanpoint matrix having means for detecting and isolating electrical failures within the matrix |
| DE2235642A1 (de) * | 1972-07-20 | 1974-01-31 | Bosch Gmbh Robert | Einrichtung zur kontrolle von elektrischen verbrauchern in kraftfahrzeugen |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL136573C (en:Method) * | 1960-05-04 | |||
| NL301072A (en:Method) * | 1963-01-09 | |||
| US3281539A (en) * | 1963-07-16 | 1966-10-25 | Bell Telephone Labor Inc | Control system for communication switching systems |
-
1967
- 1967-09-14 US US667791A patent/US3524933A/en not_active Expired - Lifetime
-
1968
- 1968-09-09 BE BE720549D patent/BE720549A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3524933A (en) | 1970-08-18 |