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.)
Denki Kogyo Co Ltd
Nippon Telegraph and Telephone Corp
Original Assignee
Denki Kogyo Co Ltd
Nippon Telegraph and Telephone 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 Denki Kogyo Co Ltd, Nippon Telegraph and Telephone CorpfiledCriticalDenki Kogyo Co Ltd
Priority to JP1987087172UpriorityCriticalpatent/JPH076674Y2/ja
Publication of JPS63198331UpublicationCriticalpatent/JPS63198331U/ja
Application grantedgrantedCritical
Publication of JPH076674Y2publicationCriticalpatent/JPH076674Y2/ja