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.)
Nippon Telegraph and Telephone Corp
Panasonic Holdings Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Matsushita Electric Industrial 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 Telegraph and Telephone Corp, Matsushita Electric Industrial Co LtdfiledCriticalNippon Telegraph and Telephone Corp
Priority to JP25860985ApriorityCriticalpatent/JPS62123922A/ja
Publication of JPS62123922ApublicationCriticalpatent/JPS62123922A/ja
Publication of JPH0417016B2publicationCriticalpatent/JPH0417016B2/ja