Subscriber telephone set provided with protective devices...

H - Electricity – 04 – M

Patent

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379/73

H04M 1/00 (2006.01)

Patent

CA 1192324

ABREGE : Poste téléphonique d'abonné à commande élec- tronique. Le poste téléphonique ,protégé en amont par deux résistances CTP 3 et 4 et une résistance VDR 5 couplées thermiquement, est protégé en aval du crochet 6 par un circuit limiteur de puissance 180 faisant égale- ment office d'interrupteur de courant de ligne par l'intermédiaire du circuit de transmission et de numéro- tation 16 actionné à partir du clavier digital 17 . Application à la téléphonie électronique.

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