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.)
Sony Corp
Original Assignee
Sony Corp
Filing date
Publication date
Priority claimed from JP49099234Aexternal-prioritypatent/JPS5756270B2/ja
Priority claimed from JP9970974Aexternal-prioritypatent/JPS5722275B2/ja
Application filed by Sony CorpfiledCriticalSony Corp
Application grantedgrantedCritical
Publication of AU493210B2publicationCriticalpatent/AU493210B2/en
Publication of AU8377075ApublicationCriticalpatent/AU8377075A/en