![]() ![]() 230000003287 optical Effects 0.000 title claims description 37.Application granted granted Critical Publication of US5668665A publication Critical patent/US5668665A/en Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). reassignment OPTICAL GAGING PRODUCTS, INC. 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 Optical Gaging Products Inc filed Critical Optical Gaging Products Inc Priority to US08/499,870 priority Critical patent/US5668665A/en Assigned to OPTICAL GAGING PRODUCTS, INC. Original Assignee Optical Gaging Products 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 or warranty as to the accuracy of the list.) Choate Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number US08/499,870 Inventor Albert G. Google Patents Telecentric, parfocal, multiple magnification optical system for videoinspection apparatusÄownload PDF Info Publication number US5668665A US5668665A US08/499,870 US49987095A US5668665A US 5668665 A US5668665 A US 5668665A US 49987095 A US49987095 A US 49987095A US 5668665 A US5668665 A US 5668665A Authority US United States Prior art keywords lens assembly telecentric image magnification reticle Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US5668665A - Telecentric, parfocal, multiple magnification optical system for videoinspection apparatus ![]() US5668665A - Telecentric, parfocal, multiple magnification optical system for videoinspection apparatus ![]()
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