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.)
Asahi Corp
Sony Corp
Original Assignee
Asahi Corp
Sony 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 Asahi Corp, Sony CorpfiledCriticalAsahi Corp
Priority to JP1985143863UpriorityCriticalpatent/JPH0617755Y2/ja
Publication of JPS6252181UpublicationCriticalpatent/JPS6252181U/ja
Application grantedgrantedCritical
Publication of JPH0617755Y2publicationCriticalpatent/JPH0617755Y2/ja