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 JP15472979ApriorityCriticalpatent/JPS5677819A/ja
Publication of JPS5677819ApublicationCriticalpatent/JPS5677819A/ja
Publication of JPS6252843B2publicationCriticalpatent/JPS6252843B2/ja