FR2271723B1 - - Google Patents
Info
- Publication number
- FR2271723B1 FR2271723B1 FR7417742A FR7417742A FR2271723B1 FR 2271723 B1 FR2271723 B1 FR 2271723B1 FR 7417742 A FR7417742 A FR 7417742A FR 7417742 A FR7417742 A FR 7417742A FR 2271723 B1 FR2271723 B1 FR 2271723B1
- 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
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/57—Arrangements for indicating or recording the number of the calling subscriber at the called subscriber's set
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7417742A FR2271723A1 (en) | 1974-05-15 | 1974-05-15 | Unanswered caller telephone number storage system - has command code transmitter and memory register at extension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7417742A FR2271723A1 (en) | 1974-05-15 | 1974-05-15 | Unanswered caller telephone number storage system - has command code transmitter and memory register at extension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2271723A1 FR2271723A1 (en) | 1975-12-12 |
| FR2271723B1 true FR2271723B1 (enExample) | 1977-03-11 |
Family
ID=9139138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7417742A Granted FR2271723A1 (en) | 1974-05-15 | 1974-05-15 | Unanswered caller telephone number storage system - has command code transmitter and memory register at extension |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2271723A1 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4443664A (en) * | 1982-07-02 | 1984-04-17 | Rca Corporation | Telephone station incorporating exchange message system |
-
1974
- 1974-05-15 FR FR7417742A patent/FR2271723A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2271723A1 (en) | 1975-12-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |