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.)
NEC Corp
Japan Broadcasting Corp
Original Assignee
Nippon Hoso Kyokai NHK
Nippon 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 Nippon Hoso Kyokai NHK, Nippon Electric Co LtdfiledCriticalNippon Hoso Kyokai NHK
Priority to JP6267978ApriorityCriticalpatent/JPS54153529A/ja
Publication of JPS54153529ApublicationCriticalpatent/JPS54153529A/ja
Publication of JPS6123716B2publicationCriticalpatent/JPS6123716B2/ja