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 JP23421084ApriorityCriticalpatent/JPS61113655A/ja
Priority to DE8585308120Tprioritypatent/DE3575437D1/de
Priority to EP85308120Aprioritypatent/EP0181226B1/en
Publication of JPS61113655ApublicationCriticalpatent/JPS61113655A/ja
Priority to US07/106,902prioritypatent/US4867789A/en
Priority to HK675/91Aprioritypatent/HK67591A/en
Priority to SG882/91Aprioritypatent/SG88291G/en
Publication of JPH0419274B2publicationCriticalpatent/JPH0419274B2/ja