A digital direct access arrangement (DAA) circuitry may be used to terminate the telephone connections at the user's end to provide a communication path for signals to and from the phone lines. Briefly described, a means for providing a proper hookswitch transition for a variety of international phone...http://www.google.fr/patents/US20040247108?utm_source=gb-gplus-shareBrevet US20040247108 - Digital access arrangement circuitry and method having current ramping control of the hookswitch
Digital access arrangement circuitry and method having current ramping ...
Numéro de demande: 10/879,956 Numéro de publication: US 2004/0247108 A1 Date de dépôt: 29 juin 2004 Brevet délivré: US7046793 ( Date de délivrance 16 mai 2006)
