FR2395655A1 - Circuit d'appel et de boucle - Google Patents

Circuit d'appel et de boucle

Info

Publication number
FR2395655A1
FR2395655A1 FR7719401A FR7719401A FR2395655A1 FR 2395655 A1 FR2395655 A1 FR 2395655A1 FR 7719401 A FR7719401 A FR 7719401A FR 7719401 A FR7719401 A FR 7719401A FR 2395655 A1 FR2395655 A1 FR 2395655A1
Authority
FR
France
Prior art keywords
ringing
loop
semiconductor switch
signal source
telephone system
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
FR7719401A
Other languages
English (en)
Other versions
FR2395655B1 (fr
Inventor
Desire Beyhurst
Jean-Claude Fuhrer
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.)
Alcatel Lucent Enterprise SA
Original Assignee
Telic Alcatel SA
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 Telic Alcatel SA filed Critical Telic Alcatel SA
Priority to FR7719401A priority Critical patent/FR2395655A1/fr
Publication of FR2395655A1 publication Critical patent/FR2395655A1/fr
Application granted granted Critical
Publication of FR2395655B1 publication Critical patent/FR2395655B1/fr
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M19/00Current supply arrangements for telephone systems
    • H04M19/02Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/026Arrangements for interrupting the ringing current

Abstract

Circuit d'appel et de boucle pour l'envoi d'un courant d'appel vers un poste d'abonné relie à un central de télécommunication. Il comporte un transformateur d'appel dont le primaire est relié en série avec une génératrice d'appel et dont le secondaire est relié d'une part à la ligne d'abonné et d'autre part au circuit d'alimentation à tension continue du poste d'abonné. Application : télécommunications.
FR7719401A 1977-06-24 1977-06-24 Circuit d'appel et de boucle Granted FR2395655A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7719401A FR2395655A1 (fr) 1977-06-24 1977-06-24 Circuit d'appel et de boucle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7719401A FR2395655A1 (fr) 1977-06-24 1977-06-24 Circuit d'appel et de boucle

Publications (2)

Publication Number Publication Date
FR2395655A1 true FR2395655A1 (fr) 1979-01-19
FR2395655B1 FR2395655B1 (fr) 1980-02-15

Family

ID=9192531

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7719401A Granted FR2395655A1 (fr) 1977-06-24 1977-06-24 Circuit d'appel et de boucle

Country Status (1)

Country Link
FR (1) FR2395655A1 (fr)

Also Published As

Publication number Publication date
FR2395655B1 (fr) 1980-02-15

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Legal Events

Date Code Title Description
ST Notification of lapse