FR2121456B1 - - Google Patents
Info
- Publication number
- FR2121456B1 FR2121456B1 FR7101201A FR7101201A FR2121456B1 FR 2121456 B1 FR2121456 B1 FR 2121456B1 FR 7101201 A FR7101201 A FR 7101201A FR 7101201 A FR7101201 A FR 7101201A FR 2121456 B1 FR2121456 B1 FR 2121456B1
- Authority
- FR
- France
- 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
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/0096—Trunk circuits
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7101201A FR2121456B1 (fr) | 1971-01-14 | 1971-01-14 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7101201A FR2121456B1 (fr) | 1971-01-14 | 1971-01-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2121456A1 FR2121456A1 (fr) | 1972-08-25 |
FR2121456B1 true FR2121456B1 (fr) | 1975-01-17 |
Family
ID=9070300
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7101201A Expired FR2121456B1 (fr) | 1971-01-14 | 1971-01-14 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2121456B1 (fr) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1332162A (fr) * | 1963-12-16 | |||
GB956356A (en) * | 1960-07-21 | 1964-04-22 | Standard Telephones Cables Ltd | Improvements in or relating to signalling methods between subscriber's sets and exchage |
-
1971
- 1971-01-14 FR FR7101201A patent/FR2121456B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2121456A1 (fr) | 1972-08-25 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |