Optical: systems and elements – Lens – With variable magnification
Reexamination Certificate
2007-09-11
2007-09-11
Hasan, Mohammed (Department: 2873)
Optical: systems and elements
Lens
With variable magnification
C359S685000
Reexamination Certificate
active
11189183
ABSTRACT:
A zoom lens system comprising a multiple of lens units with various positive and negative powers that can, in at least one exemplary embodiment, be used to reduce ghost light.
REFERENCES:
patent: 5528427 (1996-06-01), Tanaka
patent: 5585969 (1996-12-01), Endo
patent: 6061180 (2000-05-01), Hayakawa
patent: 6124972 (2000-09-01), Hayakawa
patent: 6462885 (2002-10-01), Nishio
patent: 6483648 (2002-11-01), Yamanashi
patent: 6690519 (2004-02-01), Ozaki
patent: 6825989 (2004-11-01), Uzawa et al.
patent: 5-119260 (1993-05-01), None
patent: 8-136862 (1996-05-01), None
patent: 10-282413 (1998-10-01), None
patent: 2001-166208 (2001-06-01), None
Canon U.S.A. Inc IP Division
Hasan Mohammed
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