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.)
Iwatsu Electric Co Ltd
Nippon Telegraph and Telephone Corp
Original Assignee
Iwatsu Electric 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 Iwatsu Electric Co Ltd, Nippon Telegraph and Telephone CorpfiledCriticalIwatsu Electric Co Ltd
Priority to JP1976094116UpriorityCriticalpatent/JPS593645Y2/ja
Priority to US05/816,219prioritypatent/US4144413A/en
Publication of JPS5313016UpublicationCriticalpatent/JPS5313016U/ja
Application grantedgrantedCritical
Publication of JPS593645Y2publicationCriticalpatent/JPS593645Y2/ja