Lens module with polygonal filter

Details Lens module with polygonal filter Lens module with polygonal filter

2011-03-29

2011-03-29

Choi, William C (Department: 2873)

Optical: systems and elements

Lens

With support

C359S829000

Reexamination Certificate

active

07916411

ABSTRACT:
A lens module includes a lens barrel, a number of lenses, a holder and a polygonal filter. The lens barrel includes an annular plate extending inwards from an inner surface thereof. The lenses are received in the lens barrel. The holder holds the barrel and the lenses. The polygonal filter is received in the lens barrel and positioned on the annular plate. The polygonal filter has six or more sides.

REFERENCES:
patent: 2008/0084619 (2008-04-01), Lee

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