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.)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana 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 Alcatel Espana SAfiledCriticalAlcatel Espana SA
Priority to ES0242337ApriorityCriticalpatent/ES242337A1/es
Publication of ES242337A1publicationCriticalpatent/ES242337A1/es
Mejoras en sistemas telefónicos automáticos que comprenden dispositivos individuales para controlar funciones selectivas y determinadas funciones auxiliares, y medios para intercambiar información en forma codificada entre dichos dispositivos, caracterizados porque comprenden además un número de conjuntos de enlace, y medios de conexión para conectar temporalmente uno de dichos conjuntos de enlace entre dos de dichos dispositivos para llevar dicha información codificada entre ambos.
ES0242337A1958-06-101958-06-10Mejoras en los sitemas telefonicos
ExpiredES242337A1
(es)