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.)
Oki Electric Industry Co Ltd
Japan Broadcasting Corp
Original Assignee
Nippon Hoso Kyokai NHK
Oki Electric Industry 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, Oki Electric Industry Co LtdfiledCriticalNippon Hoso Kyokai NHK
Priority to JP6338581ApriorityCriticalpatent/JPS57180210A/ja
Priority to CA000400870Aprioritypatent/CA1190289A/en
Priority to AU82602/82Aprioritypatent/AU551612B2/en
Priority to EP82301963Aprioritypatent/EP0064819B1/en
Priority to DE8282301963Tprioritypatent/DE3268923D1/de
Priority to US06/370,795prioritypatent/US4563651A/en
Priority to MX192450Aprioritypatent/MX151254A/es
Publication of JPS57180210ApublicationCriticalpatent/JPS57180210A/ja
Publication of JPS6253084B2publicationCriticalpatent/JPS6253084B2/ja