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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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 Tokyo Shibaura Electric Co LtdfiledCriticalTokyo Shibaura Electric Co Ltd
Priority to JP8086180ApriorityCriticalpatent/JPS579859A/ja
Priority to DE8181104662Tprioritypatent/DE3176034D1/de
Priority to EP81104662Aprioritypatent/EP0042180B1/en
Priority to US06/274,481prioritypatent/US4431446A/en
Publication of JPS579859ApublicationCriticalpatent/JPS579859A/ja
Publication of JPS633947B2publicationCriticalpatent/JPS633947B2/ja