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
Nippon Hoso Kyokai NHK
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 Nippon Hoso Kyokai NHK, Japan Broadcasting CorpfiledCriticalNippon Hoso Kyokai NHK
Priority to JP50145116ApriorityCriticalpatent/JPS5269556A/ja
Publication of JPS5269556ApublicationCriticalpatent/JPS5269556A/ja
Publication of JPS5550334B2publicationCriticalpatent/JPS5550334B2/ja