BE513030A - - Google Patents
Info
- Publication number
- BE513030A BE513030A BE513030DA BE513030A BE 513030 A BE513030 A BE 513030A BE 513030D A BE513030D A BE 513030DA BE 513030 A BE513030 A BE 513030A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE759589X | 1951-07-23 | ||
DEL9655A DE887220C (de) | 1951-07-23 | 1951-07-24 | Schaltungsanordnung fuer Fernsprechanlagen mit Gemeinschafts-anschluessen |
DEL10927A DE905862C (de) | 1951-07-23 | 1951-11-29 | Schaltungsanordnung fuer Fernsprechanlagen mit Gemeinschaftsanschluessen |
DEL11540A DE916772C (de) | 1951-07-23 | 1952-02-12 | Schaltungsanordnung fuer Fernsprechanlagen mit Gemeinschaftsanschluessen |
Publications (1)
Publication Number | Publication Date |
---|---|
BE513030A true BE513030A (zh) |
Family
ID=31982422
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE513030D BE513030A (zh) | 1951-07-23 |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE513030A (zh) |
DE (1) | DE887220C (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1122587B (de) * | 1960-02-02 | 1962-01-25 | Telefunken Patent | Fernsprechanlage mit Gemeinschaftsanschluessen |
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0
- BE BE513030D patent/BE513030A/xx unknown
-
1951
- 1951-07-24 DE DEL9655A patent/DE887220C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE887220C (de) | 1953-08-20 |