FR91371E - Improvements to telephone systems - Google Patents
Improvements to telephone systemsInfo
- Publication number
- FR91371E FR91371E FR87689A FR87689A FR91371E FR 91371 E FR91371 E FR 91371E FR 87689 A FR87689 A FR 87689A FR 87689 A FR87689 A FR 87689A FR 91371 E FR91371 E FR 91371E
- Authority
- FR
- France
- Prior art keywords
- telephone systems
- telephone
- systems
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
- H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR87689A FR91371E (en) | 1965-07-21 | 1966-12-16 | Improvements to telephone systems |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEST24163A DE1266822B (en) | 1965-07-21 | 1965-07-21 | Circuit arrangement for a multi-stage coupling arrangement with star behavior in telecommunications, in particular telephone switching systems |
DEJ0024772 | 1965-12-16 | ||
DEST24772A DE1262361B (en) | 1965-07-21 | 1965-12-16 | Method and circuit arrangement for setting up a connection in telecommunications, in particular telephone switching systems |
FR87689A FR91371E (en) | 1965-07-21 | 1966-12-16 | Improvements to telephone systems |
DEST027043 | 1967-06-23 | ||
DEST027282 | 1967-08-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR91371E true FR91371E (en) | 1968-05-31 |
Family
ID=27544854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR87689A Expired FR91371E (en) | 1965-07-21 | 1966-12-16 | Improvements to telephone systems |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR91371E (en) |
-
1966
- 1966-12-16 FR FR87689A patent/FR91371E/en not_active Expired
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