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Brevets

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Brevet citant Date de dépôt Date de délivrance Cessionnaire d'origine Titre
US402728623 avr. 197631 mai 1977TRW Inc.Multiplexed data monitoring system
US426882218 oct. 197819 mai 1981The Foxboro CompanyApparatus for determining the state of each of a plurality of bi-state devices
US43408809 sept. 198020 juil. 1982Zellweger LimitedMethod and apparatus for signal recognition in a remote control system with influencing of the zero point transition of the alternating-current mains voltage
US51988109 nov. 198930 mars 1993Unique Technology U.T. Ltd.One-way data telemetering system utilizing the power supply mains
US56916916 janv. 199725 nov. 1997Motorola, Inc.Power-line communication system using pulse transmission on the AC line
US582829310 juin 199727 oct. 1998Northern Telecom LimitedData transmission over a power line communications system
US761696823 mars 200410 nov. 2009Mine Radio Systems Inc.System and method to facilitate overcoming a degradation in transmission through a radiating transmission line communication system