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 JP49128385Aexternal-prioritypatent/JPS5154405A/ja
Application filed by Sony CorpfiledCriticalSony Corp
Application grantedgrantedCritical
Publication of AU492897B2publicationCriticalpatent/AU492897B2/en
Publication of AU8632675ApublicationCriticalpatent/AU8632675A/en