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/en
Publication of ES242337A1publicationCriticalpatent/ES242337A1/en
Improvements in automatic telephone systems comprising individual devices for controlling selective functions and certain auxiliary functions, and means for exchanging information in coded form between said devices, characterized in that they also comprise a number of link sets, and connection means for temporarily connecting one of said link sets between two of said devices for carrying said coded information between both. (Machine-translation by Google Translate, not legally binding)
ES0242337A1958-06-101958-06-10Improvements in the telephone sitemas (Machine-translation by Google Translate, not legally binding)
ExpiredES242337A1
(en)