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.)
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International Business Machines Corp
Original Assignee
International Business Machines Corp
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Filing date
Publication date
Priority claimed from CA063,905,Aexternal-prioritypatent/CA951827A/en
Priority claimed from CA185,939Aexternal-prioritypatent/CA954225A/en
Application filed by International Business Machines CorpfiledCriticalInternational Business Machines Corp
Priority to CA310,475ApriorityCriticalpatent/CA1048158B/fr
Application grantedgrantedCritical
Publication of CA1048158BpublicationCriticalpatent/CA1048158B/fr
Message display and transmission system utilizing magnetic storage drum having track with message zone for storing binary-encoded word and display zones for storing corresponding binary display matrix