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
Priority claimed from JP6934373Aexternal-prioritypatent/JPS5427144B2/ja
Priority claimed from JP8707073Aexternal-prioritypatent/JPS5036138A/ja
Priority claimed from JP8706973Aexternal-prioritypatent/JPS5427146B2/ja
Priority claimed from JP8706873Aexternal-prioritypatent/JPS5427145B2/ja
Priority claimed from JP12367073Aexternal-prioritypatent/JPS555108B2/ja
Priority claimed from CA202,784Aexternal-prioritypatent/CA1054210A/fr
Application filed by Canon IncfiledCriticalCanon Inc
Priority to CA315,606ApriorityCriticalpatent/CA1060943A/fr
Application grantedgrantedCritical
Publication of CA1060943ApublicationCriticalpatent/CA1060943A/fr