FR2312905B3 - - Google Patents
Info
- Publication number
- FR2312905B3 FR2312905B3 FR7516260A FR7516260A FR2312905B3 FR 2312905 B3 FR2312905 B3 FR 2312905B3 FR 7516260 A FR7516260 A FR 7516260A FR 7516260 A FR7516260 A FR 7516260A FR 2312905 B3 FR2312905 B3 FR 2312905B3
- 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
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
- H04Q3/625—Arrangements in the private branch exchange
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7516260A FR2312905A1 (fr) | 1975-05-26 | 1975-05-26 | Autocommutateur electronique pour transmissions telephoniques |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7516260A FR2312905A1 (fr) | 1975-05-26 | 1975-05-26 | Autocommutateur electronique pour transmissions telephoniques |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2312905A1 FR2312905A1 (fr) | 1976-12-24 |
FR2312905B3 true FR2312905B3 (fr) | 1978-12-01 |
Family
ID=9155645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7516260A Granted FR2312905A1 (fr) | 1975-05-26 | 1975-05-26 | Autocommutateur electronique pour transmissions telephoniques |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2312905A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4899375A (en) * | 1988-09-23 | 1990-02-06 | American Telephone & Telegraph Company, At&T Bell Laboratories | More efficient call handling for operator assistance calls |
-
1975
- 1975-05-26 FR FR7516260A patent/FR2312905A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2312905A1 (fr) | 1976-12-24 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |