FR2556156B1 - Procede et dispositif de selection d'appels recus par telephone - Google Patents

Procede et dispositif de selection d'appels recus par telephone

Info

Publication number
FR2556156B1
FR2556156B1 FR8319280A FR8319280A FR2556156B1 FR 2556156 B1 FR2556156 B1 FR 2556156B1 FR 8319280 A FR8319280 A FR 8319280A FR 8319280 A FR8319280 A FR 8319280A FR 2556156 B1 FR2556156 B1 FR 2556156B1
Authority
FR
France
Prior art keywords
telephone
calls received
selecting calls
selecting
received
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
FR8319280A
Other languages
English (en)
Other versions
FR2556156A1 (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
Application filed by Individual filed Critical Individual
Priority to FR8319280A priority Critical patent/FR2556156B1/fr
Publication of FR2556156A1 publication Critical patent/FR2556156A1/fr
Application granted granted Critical
Publication of FR2556156B1 publication Critical patent/FR2556156B1/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
    • H04M1/665—Preventing unauthorised calls to a telephone set by checking the validity of a code

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
FR8319280A 1983-12-02 1983-12-02 Procede et dispositif de selection d'appels recus par telephone Expired FR2556156B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8319280A FR2556156B1 (fr) 1983-12-02 1983-12-02 Procede et dispositif de selection d'appels recus par telephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8319280A FR2556156B1 (fr) 1983-12-02 1983-12-02 Procede et dispositif de selection d'appels recus par telephone

Publications (2)

Publication Number Publication Date
FR2556156A1 FR2556156A1 (fr) 1985-06-07
FR2556156B1 true FR2556156B1 (fr) 1987-06-19

Family

ID=9294791

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8319280A Expired FR2556156B1 (fr) 1983-12-02 1983-12-02 Procede et dispositif de selection d'appels recus par telephone

Country Status (1)

Country Link
FR (1) FR2556156B1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2605474B1 (fr) * 1986-10-20 1990-09-28 Bouscaut Jean Robert Dispositif discriminant, par un code, les appels telephoniques nomme discriphone
FR2620886A1 (fr) * 1987-09-17 1989-03-24 Parienti Raoul Discriminateur d'appels telephoniques
FR2625860B1 (fr) * 1988-01-11 1992-05-07 Ceicom Procede et dispositif en vue de limiter les appels vers un telephone
FR2631186B1 (fr) * 1988-05-05 1994-09-02 Garrandes Claude Selecteur automatique d'appels telephoniques
FR2631501A1 (fr) * 1988-05-16 1989-11-17 Rigo Jean Boitier emetteur recepteur de signaux electriques audiofrequences par liaison telephonique

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1283074A (fr) * 1961-03-08 1962-01-27 Installation téléphonique d'abonné
US3514548A (en) * 1967-04-12 1970-05-26 Priva Phone Inc Telephone apparatus for discriminating between desired and undesired calls
DE2607933A1 (de) * 1975-06-05 1977-09-01 Schulte Franz Josef Telefonzusatzeinrichtung zur rufauswahl
US4393278A (en) * 1980-08-26 1983-07-12 Miyoshi Allan M Telephone security system

Also Published As

Publication number Publication date
FR2556156A1 (fr) 1985-06-07

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Legal Events

Date Code Title Description
ST Notification of lapse