FR2285765B1 - - Google Patents
Info
- Publication number
- FR2285765B1 FR2285765B1 FR7431310A FR7431310A FR2285765B1 FR 2285765 B1 FR2285765 B1 FR 2285765B1 FR 7431310 A FR7431310 A FR 7431310A FR 7431310 A FR7431310 A FR 7431310A FR 2285765 B1 FR2285765 B1 FR 2285765B1
- 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
- H04M1/667—Preventing unauthorised calls from a telephone set
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- 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)
- Telephone Function (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7431310A FR2285765A1 (fr) | 1974-09-17 | 1974-09-17 | Dispositif de restriction de service pour appareil telephonique a clavier ou a cadran |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7431310A FR2285765A1 (fr) | 1974-09-17 | 1974-09-17 | Dispositif de restriction de service pour appareil telephonique a clavier ou a cadran |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2285765A1 FR2285765A1 (fr) | 1976-04-16 |
FR2285765B1 true FR2285765B1 (ja) | 1979-03-09 |
Family
ID=9143137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7431310A Granted FR2285765A1 (fr) | 1974-09-17 | 1974-09-17 | Dispositif de restriction de service pour appareil telephonique a clavier ou a cadran |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2285765A1 (ja) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1293864B (de) * | 1967-05-31 | 1969-04-30 | Siemens Ag | Waehltastatur mit Fernwahlsperre |
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1974
- 1974-09-17 FR FR7431310A patent/FR2285765A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2285765A1 (fr) | 1976-04-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |