FR1412059A - Improvements to telephone systems - Google Patents
Improvements to telephone systemsInfo
- Publication number
- FR1412059A FR1412059A FR990133A FR990133A FR1412059A FR 1412059 A FR1412059 A FR 1412059A FR 990133 A FR990133 A FR 990133A FR 990133 A FR990133 A FR 990133A FR 1412059 A FR1412059 A FR 1412059A
- 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
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR990133A FR1412059A (en) | 1963-10-03 | 1964-10-02 | Improvements to telephone systems |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEST21140A DE1222548B (en) | 1963-10-03 | 1963-10-03 | Circuit arrangement for activating registers in telecommunications, in particular telephone systems |
DE1964ST022458 DE1242711C2 (en) | 1963-10-03 | 1964-07-25 | CIRCUIT ARRANGEMENT FOR THE UNLOCKING OF REGISTERS IN REMOTE INDICATORS, IN PARTICULAR TELEPHONE SYSTEMS |
FR990133A FR1412059A (en) | 1963-10-03 | 1964-10-02 | Improvements to telephone systems |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1412059A true FR1412059A (en) | 1965-09-24 |
Family
ID=27212481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR990133A Expired FR1412059A (en) | 1963-10-03 | 1964-10-02 | Improvements to telephone systems |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1412059A (en) |
-
1964
- 1964-10-02 FR FR990133A patent/FR1412059A/en not_active Expired
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