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
Standard Electrica 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
Priority claimed from FR819709Aexternal-prioritypatent/FR77244E/en
Application filed by Alcatel Espana SA, Standard Electrica SAfiledCriticalAlcatel Espana SA
Publication of ES265175A1publicationCriticalpatent/ES265175A1/en
Telephone system improvements characterized by comprising a number of lines, selecting devices for connecting a calling line with a called line, a number of registers for receiving and storing data to control said selecting devices, means for establishing data transmission routes between a registrar and a calling line and between said registrar and said selecting devices, a number of local key translators, means controlled by the registrars to switch said translators over said data transmission path between said registers and said line selecting devices and means in said translators that respond to the receipt of a local key and to an indication about the nature of the preceding selection, to provide selectable selectable combinations to switch the selection to the called line, these combinations being for the same local key different for different Selection step. (Machine-translation by Google Translate, not legally binding)
ES0265175A1960-02-261961-02-24Improvements introduced in telephone systems (Machine-translation by Google Translate, not legally binding)
ExpiredES265175A1
(en)
A circuit provision for telecommunications installations, especially telephone, in which the figures chosen by the subscribers are stored in records. (Machine-translation by Google Translate, not legally binding)
Method of search of route in a centrally controlled telecommunication central electronic system. (Machine-translation by Google Translate, not legally binding)