FR2285765A1 - Dispositif de restriction de service pour appareil telephonique a clavier ou a cadran - Google Patents

Dispositif de restriction de service pour appareil telephonique a clavier ou a cadran

Info

Publication number
FR2285765A1
FR2285765A1 FR7431310A FR7431310A FR2285765A1 FR 2285765 A1 FR2285765 A1 FR 2285765A1 FR 7431310 A FR7431310 A FR 7431310A FR 7431310 A FR7431310 A FR 7431310A FR 2285765 A1 FR2285765 A1 FR 2285765A1
Authority
FR
France
Prior art keywords
locking system
dial
key operated
operated mechanism
degrees
Prior art date
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.)
Granted
Application number
FR7431310A
Other languages
English (en)
French (fr)
Other versions
FR2285765B1 (enExample
Inventor
Pierre Richard
Claude Tessier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PICART LEBAS TELEPHONES
Original Assignee
PICART LEBAS TELEPHONES
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by PICART LEBAS TELEPHONES filed Critical PICART LEBAS TELEPHONES
Priority to FR7431310A priority Critical patent/FR2285765A1/fr
Publication of FR2285765A1 publication Critical patent/FR2285765A1/fr
Application granted granted Critical
Publication of FR2285765B1 publication Critical patent/FR2285765B1/fr
Granted legal-status Critical Current

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
    • 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)
FR7431310A 1974-09-17 1974-09-17 Dispositif de restriction de service pour appareil telephonique a clavier ou a cadran Granted FR2285765A1 (fr)

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 true FR2285765A1 (fr) 1976-04-16
FR2285765B1 FR2285765B1 (enExample) 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 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD306732S (en) 1988-04-20 1990-03-20 Ward Raymond F Lock guard cover for a telephone handset or similar article
USD315910S (en) 1989-07-31 1991-04-02 Ward Raymond F Telephone dialing-key cover

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1293864B (de) * 1967-05-31 1969-04-30 Siemens Ag Waehltastatur mit Fernwahlsperre

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1293864B (de) * 1967-05-31 1969-04-30 Siemens Ag Waehltastatur mit Fernwahlsperre

Also Published As

Publication number Publication date
FR2285765B1 (enExample) 1979-03-09

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Legal Events

Date Code Title Description
ST Notification of lapse