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.)
Olympus Corp
Original Assignee
Olympus Optical 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 Olympus Optical Co LtdfiledCriticalOlympus Optical Co Ltd
Priority to JP1981044767UpriorityCriticalpatent/JPH0636508Y2/ja
Priority to US06/359,121prioritypatent/US4520415A/en
Priority to DE3210733Aprioritypatent/DE3210733C2/de
Publication of JPS57158052UpublicationCriticalpatent/JPS57158052U/ja
Application grantedgrantedCritical
Publication of JPH0636508Y2publicationCriticalpatent/JPH0636508Y2/ja