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.)
DKK-TOA Corp
Original Assignee
Toa Electronics 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 Toa Electronics LtdfiledCriticalToa Electronics Ltd
Priority to JP18030985ApriorityCriticalpatent/JPS6239774A/ja
Publication of JPS6239774ApublicationCriticalpatent/JPS6239774A/ja
Publication of JPH0519950B2publicationCriticalpatent/JPH0519950B2/ja