Dustproof lens assembly

Details Dustproof lens assembly Dustproof lens assembly

2007-02-08

2008-08-12

Hasan, Mohammed (Department: 2873)

Optical: systems and elements

Lens

With support

C359S822000, C359S823000

Reexamination Certificate

active

07411749

ABSTRACT:
A dustproof lens assembly includes a holder and a barrel. The holder has an inner space, in which an image sensor is received. The holder and the barrel have connecting portions for engagement and a block portion is provided between the inner space and the connecting portions to block dust between the first connecting portion and the second connecting portion out of the inner space of the holder and give the image sensor a clean environment.

REFERENCES:
patent: 5699200 (1997-12-01), Uno et al.
patent: 2002/0071190 (2002-06-01), Wada et al.
patent: 2007/0139795 (2007-06-01), Li

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