BE774799A - Telefoon intercommunicatie-stelsel - Google Patents
Telefoon intercommunicatie-stelselInfo
- Publication number
- BE774799A BE774799A BE774799A BE774799A BE774799A BE 774799 A BE774799 A BE 774799A BE 774799 A BE774799 A BE 774799A BE 774799 A BE774799 A BE 774799A BE 774799 A BE774799 A BE 774799A
- Authority
- BE
- Belgium
- Prior art keywords
- intercommunication system
- telephone intercommunication
- telephone
- intercommunication
- Prior art date
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
- H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
- H04Q3/521—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using semiconductors in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Telephonic Communication Services (AREA)
- Telephone Function (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA097,178A CA963133A (en) | 1970-11-02 | 1970-11-02 | Telephone intercommunicating system |
Publications (1)
Publication Number | Publication Date |
---|---|
BE774799A true BE774799A (nl) | 1972-03-01 |
Family
ID=4087932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE774799A BE774799A (nl) | 1970-11-02 | 1971-11-03 | Telefoon intercommunicatie-stelsel |
Country Status (6)
Country | Link |
---|---|
AU (1) | AU464115B2 (nl) |
BE (1) | BE774799A (nl) |
CA (1) | CA963133A (nl) |
DE (1) | DE2154237C3 (nl) |
ES (1) | ES396581A1 (nl) |
GB (2) | GB1360508A (nl) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5940358B2 (ja) * | 1978-10-18 | 1984-09-29 | 日本電信電話株式会社 | 通話路スイツチ回路 |
DE3215757A1 (de) * | 1982-04-28 | 1983-11-03 | Krone Gmbh, 1000 Berlin | Innenverbindungsschalter fuer fernmeldetechnische heimtelefon- oder nebenstellenanlagen |
-
1970
- 1970-11-02 CA CA097,178A patent/CA963133A/en not_active Expired
-
1971
- 1971-10-28 GB GB5008471A patent/GB1360508A/en not_active Expired
- 1971-10-28 GB GB5766872A patent/GB1360509A/en not_active Expired
- 1971-10-30 DE DE19712154237 patent/DE2154237C3/de not_active Expired
- 1971-11-01 AU AU35212/71A patent/AU464115B2/en not_active Expired
- 1971-11-02 ES ES396581A patent/ES396581A1/es not_active Expired
- 1971-11-03 BE BE774799A patent/BE774799A/nl unknown
Also Published As
Publication number | Publication date |
---|---|
DE2154237C3 (de) | 1975-09-04 |
GB1360509A (en) | 1974-07-17 |
CA963133A (en) | 1975-02-18 |
AU3521271A (en) | 1973-05-10 |
GB1360508A (en) | 1974-07-17 |
DE2154237A1 (de) | 1972-05-04 |
ES396581A1 (es) | 1974-05-16 |
DE2154237B2 (de) | 1975-01-16 |
AU464115B2 (en) | 1975-08-14 |
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