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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp CorpfiledCriticalSharp Corp
Priority to JP640879ApriorityCriticalpatent/JPS5598610A/ja
Publication of JPS5598610ApublicationCriticalpatent/JPS5598610A/ja