FR2223919B1 - - Google Patents
Info
- Publication number
- FR2223919B1 FR2223919B1 FR7313774A FR7313774A FR2223919B1 FR 2223919 B1 FR2223919 B1 FR 2223919B1 FR 7313774 A FR7313774 A FR 7313774A FR 7313774 A FR7313774 A FR 7313774A FR 2223919 B1 FR2223919 B1 FR 2223919B1
- 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
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
- H04M3/62—Keyboard equipment
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- 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
- H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
- H04Q3/545—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Small-Scale Networks (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7313774A FR2223919B1 (en) | 1973-03-30 | 1973-03-30 | |
DE19742409344 DE2409344A1 (en) | 1973-03-30 | 1974-02-27 | MEDIATION DEVICE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7313774A FR2223919B1 (en) | 1973-03-30 | 1973-03-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2223919A1 FR2223919A1 (en) | 1974-10-25 |
FR2223919B1 true FR2223919B1 (en) | 1981-03-06 |
Family
ID=9118038
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7313774A Expired FR2223919B1 (en) | 1973-03-30 | 1973-03-30 |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2409344A1 (en) |
FR (1) | FR2223919B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2752987C2 (en) * | 1977-11-28 | 1984-12-20 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Circuit arrangement for displaying different, preferably optical, identifiers by means of display elements in terminals of a telecommunications system |
US4291199A (en) * | 1979-03-28 | 1981-09-22 | Bell Telephone Laboratories, Incorporated | Communication system tracking arrangement |
-
1973
- 1973-03-30 FR FR7313774A patent/FR2223919B1/fr not_active Expired
-
1974
- 1974-02-27 DE DE19742409344 patent/DE2409344A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2409344A1 (en) | 1974-10-24 |
FR2223919A1 (en) | 1974-10-25 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |