Television – Special applications – Manufacturing
Patent
1993-04-06
1995-05-09
Britton, Howard W.
Television
Special applications
Manufacturing
348126, H04N 718
Patent
active
054144582
ABSTRACT:
An inspection system utilizes an image doubler design that includes a plurality of mirrors that effectively folds the object distance by reflecting the image along a folded path. Strobed illumination is used in conjunction with a shutterless camera. Increased image resolution results from an optional anamorphic lens with vertical magnification. The lens assembly includes concentric toroidal lens that are produced from a single piece of machineable optical material.
REFERENCES:
patent: 3932702 (1976-01-01), Shelley et al.
patent: 4272684 (1981-06-01), Seachman
patent: 4305658 (1981-12-01), Yoshida
patent: 4509081 (1985-04-01), Peyton et al.
Borchard Joseph F.
Clunn Robert H.
Harris Charles K.
Marrable Walter E.
Maunder James R.
Au A.
Brady III Wade James
Britton Howard W.
Donaldson Richard L.
Franz Warren L.
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