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Priority to FR49231ApriorityCriticalpatent/FR1469673A/fr
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Publication of FR1469673ApublicationCriticalpatent/FR1469673A/fr
H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
H04Q5/02—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with direct connection for all subscribers, i.e. party-line systems
H04Q5/14—Signalling by pulses
H04Q5/16—Signalling by pulses by predetermined number of pulses
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FR49231A1966-02-111966-02-11Dispositif d'appels sélectifs pour installations téléphoniques raccordées par des circuits de conversation non alimentés
ExpiredFR1469673A
(fr)
Circuit pour installations de télécommunication, en particulier installations téléphoniques, comportant des dispositifs d'identification automatique des communications