Back to results
US 7,411,749 B2Granted
Dustproof lens assembly
AssigneeEther Precision, Inc.
InventorChunXi Liu
Life of this patent
Estimating the term…
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.
Claims10
A dustproof lens assembly, comprising:
- a holder having an inner space therein and a first connecting portion;
- and
- a barrel, in which lenses are mounted, having a second connecting portion, which is complementary to the first connecting portion of the holder, for engagement of the barrel and the holder and a block portion between the second connecting portion and the inner space to block dust between the first connecting portion and the second connecting portion out of the inner space of the holder,
- wherein the second connecting portion is an annular wall on a bottom of the barrel and the block portion is an annular protrusion on the bottom of the barrel within the second connecting portion.
1 more element
A dustproof lens assembly, comprising:
- a holder having an inner space therein, a first connecting portion and a block portion between the inner space and the first connecting portion;
- and
- a barrel, in which lenses are mounted, having a second connecting portion, which is complementary to the first connecting portion of the holder, for engagement of the barrel and the holder, wherein the block portion blocks dust between the first connecting portion and the second connecting portion out of the inner space of the holder,
- wherein the first connecting portion is an annular wall on a ton of the holder and the block portion is an annular protrusion on a ton of the second connecting portion.
1 more element
Dependencies are inferred from the claim text.