Zoom lens assembly

Details Zoom lens assembly Zoom lens assembly

2005-10-31

2009-02-24

Choi, William C (Department: 2873)

Optical: systems and elements

Lens

With support

C359S672000

Reexamination Certificate

active

07495852

ABSTRACT:
A zoom lens assembly for a miniature camera, such as those used in cellular telephones and other personal electronic devices, is disclosed. One or more lenses of the zoom lens assembly are moved in and/or out of the optical path of the zoom lens assembly to change the magnification of the lens. Since the magnification does not necessarily require movement of lenses along the optical path of the camera, the length of the zoom lens assembly, and consequently of the camera as well, is substantially reduced.

REFERENCES:
patent: 4946265 (1990-08-01), Shimizu et al.
patent: 5128808 (1992-07-01), Dosaka
patent: 7209294 (2007-04-01), Takahashi
patent: 2005/0094284 (2005-05-01), Takahashi

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