Optical: systems and elements – Lens – With variable magnification
Reexamination Certificate
2006-04-18
2006-04-18
Mack, Ricky L. (Department: 2873)
Optical: systems and elements
Lens
With variable magnification
C359S823000
Reexamination Certificate
active
07031075
ABSTRACT:
A lens apparatus is disclosed which can achieve, an optical adjustment with a simple structure having a small number of parts. The lens apparatus has a lens unit, a lens holding member which holds the lens unit, a first holding member which holds the lens holding member, and a second holding member which holds the first holding member.
REFERENCES:
patent: 6008954 (1999-12-01), Shintani et al.
patent: 2003/0184877 (2003-10-01), Kabe
patent: 2005/0105193 (2005-05-01), Kawanabe et al.
patent: 11-212135 (1999-08-01), None
patent: 2002-350702 (2002-12-01), None
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Hasan M.
Mack Ricky L.
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