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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon IncfiledCriticalCanon Inc
Priority to JP12341378ApriorityCriticalpatent/JPS5552861A/ja
Priority to DE19792939941prioritypatent/DE2939941C2/de
Publication of JPS5552861ApublicationCriticalpatent/JPS5552861A/ja
Publication of JPS615977B2publicationCriticalpatent/JPS615977B2/ja
