FR2602109B2 - Dispositif telephonique anticambriolage - Google Patents

Dispositif telephonique anticambriolage

Info

Publication number
FR2602109B2
FR2602109B2 FR8519248A FR8519248A FR2602109B2 FR 2602109 B2 FR2602109 B2 FR 2602109B2 FR 8519248 A FR8519248 A FR 8519248A FR 8519248 A FR8519248 A FR 8519248A FR 2602109 B2 FR2602109 B2 FR 2602109B2
Authority
FR
France
Prior art keywords
branching
telephone device
telephone
branching telephone
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.)
Expired
Application number
FR8519248A
Other languages
English (en)
Other versions
FR2602109A2 (fr
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.)
Individual
Original Assignee
Individual
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
Priority claimed from FR8320094A external-priority patent/FR2556908B1/fr
Application filed by Individual filed Critical Individual
Priority to FR8519248A priority Critical patent/FR2602109B2/fr
Publication of FR2602109A2 publication Critical patent/FR2602109A2/fr
Application granted granted Critical
Publication of FR2602109B2 publication Critical patent/FR2602109B2/fr
Expired 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
    • H04M1/663—Preventing unauthorised calls to a telephone set
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Meter Arrangements (AREA)
FR8519248A 1983-12-15 1985-12-26 Dispositif telephonique anticambriolage Expired FR2602109B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8519248A FR2602109B2 (fr) 1983-12-15 1985-12-26 Dispositif telephonique anticambriolage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8320094A FR2556908B1 (fr) 1983-12-15 1983-12-15 Dispositif electronique anti-cambriolage simulant une presence telephonique en l'absence de l'abonne
FR8519248A FR2602109B2 (fr) 1983-12-15 1985-12-26 Dispositif telephonique anticambriolage

Publications (2)

Publication Number Publication Date
FR2602109A2 FR2602109A2 (fr) 1988-01-29
FR2602109B2 true FR2602109B2 (fr) 1988-08-19

Family

ID=26223725

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8519248A Expired FR2602109B2 (fr) 1983-12-15 1985-12-26 Dispositif telephonique anticambriolage

Country Status (1)

Country Link
FR (1) FR2602109B2 (fr)

Also Published As

Publication number Publication date
FR2602109A2 (fr) 1988-01-29

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