Optical: systems and elements – Lens – With support
Reexamination Certificate
2008-03-05
2009-10-27
Schwartz, Jordan M. (Department: 2873)
Optical: systems and elements
Lens
With support
C359S823000
Reexamination Certificate
active
07609465
ABSTRACT:
An EMI-proof miniature lens focusing mechanism includes a frame having four magnets mounted therearound; a lens holder holding a miniature lens therein and being enclosed in a winding element; at least one elastic element having a fixed outer portion connected to the frame and a movable inner portion connected to the lens holder so that the lens holder is elastically and movably suspended within the frame; an upper and a lower cover located above and below the frame to assist in connecting the elastic element to the frame; and a metal housing enclosing an assembly of the upper cover, the elastic element, the lens holder, the frame, and the lower cover. The metal housing is provided at a bottom with at least one conducting plate for grounding, so that electromagnetic effects on external environment are eliminated and electromagnetic interference and electrostatic charge from external environment are isolated.
REFERENCES:
patent: 7400463 (2008-07-01), Wu
Jones James C
Muncy Geissler Olds & Lowe, PLLC
Schwartz Jordan M.
TDK Taiwan Corporation
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