FR2184163A5 - - Google Patents
Info
- Publication number
- FR2184163A5 FR2184163A5 FR7216549A FR7216549A FR2184163A5 FR 2184163 A5 FR2184163 A5 FR 2184163A5 FR 7216549 A FR7216549 A FR 7216549A FR 7216549 A FR7216549 A FR 7216549A FR 2184163 A5 FR2184163 A5 FR 2184163A5
- 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
- H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
- H04M1/677—Preventing the dialling or sending of predetermined telephone numbers or selected types of telephone numbers, e.g. long distance numbers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7216549A FR2184163A5 (https=) | 1972-05-09 | 1972-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7216549A FR2184163A5 (https=) | 1972-05-09 | 1972-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2184163A5 true FR2184163A5 (https=) | 1973-12-21 |
Family
ID=9098216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7216549A Expired FR2184163A5 (https=) | 1972-05-09 | 1972-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2184163A5 (https=) |
-
1972
- 1972-05-09 FR FR7216549A patent/FR2184163A5/fr not_active Expired
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |