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.)
Japan Broadcasting Corp
Original Assignee
Japan Broadcasting 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 Japan Broadcasting CorpfiledCriticalJapan Broadcasting Corp
Priority to JP6708474ApriorityCriticalpatent/JPS5639597B2/ja
Publication of JPS512331ApublicationCriticalpatent/JPS512331A/ja
Publication of JPS5639597B2publicationCriticalpatent/JPS5639597B2/ja