FR1328487A - Improvements to telephone installations - Google Patents
Improvements to telephone installationsInfo
- Publication number
- FR1328487A FR1328487A FR894988A FR894988A FR1328487A FR 1328487 A FR1328487 A FR 1328487A FR 894988 A FR894988 A FR 894988A FR 894988 A FR894988 A FR 894988A FR 1328487 A FR1328487 A FR 1328487A
- Authority
- FR
- France
- Prior art keywords
- telephone installations
- installations
- telephone
- 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
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/001—Two-way communication systems between a limited number of parties
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR894988A FR1328487A (en) | 1962-04-19 | 1962-04-19 | Improvements to telephone installations |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR894988A FR1328487A (en) | 1962-04-19 | 1962-04-19 | Improvements to telephone installations |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1328487A true FR1328487A (en) | 1963-05-31 |
Family
ID=8777231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR894988A Expired FR1328487A (en) | 1962-04-19 | 1962-04-19 | Improvements to telephone installations |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1328487A (en) |
-
1962
- 1962-04-19 FR FR894988A patent/FR1328487A/en not_active Expired
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