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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Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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Publication date
Application filed by Fujitsu LtdfiledCriticalFujitsu Ltd
Priority to JP1224077ApriorityCriticalpatent/JPS5397396A/en
Publication of JPS5397396ApublicationCriticalpatent/JPS5397396A/en
PURPOSE: To control the display with a number of information patterns, by enabling a roll-up of the semi-hard magnetic substance and then rolling up and drawing out the substance.