Zoom lens barrel assembly

Details Zoom lens barrel assembly Zoom lens barrel assembly

2007-12-31

2010-10-19

Hasan, Mohammed (Department: 2873)

Optical: systems and elements

Lens

With variable magnification

C359S822000

Reexamination Certificate

active

07817353

ABSTRACT:
Embodiments of a zoom lens barrel assembly for an imaging apparatus are provided. The zoom lens barrel has a simple structure and allows efficient space utilization in order to realize a compact size, which is currently required for a mobile imaging apparatus. The zoom lens barrel assembly can stably endure external impacts, provide more precise zoom operations, and stably operate for a long time without a malfunction of a zoom motor, which acts as a drive source. The zoom lens barrel assembly can increase the rotation gain of a driving source and improve space utilization inside a basic skeletal structure of a frame by modifying the structure of a gear train, which cooperatively connects the driving source and a rotary cam member.

REFERENCES:
patent: 6553185 (2003-04-01), Inaba et al.
patent: 7492536 (2009-02-01), Nagai et al.
patent: 7719778 (2010-05-01), Kodaira
patent: 2002-277713 (2002-09-01), None
patent: 2006-78955 (2006-03-01), None
patent: 2006-113118 (2006-04-01), None
patent: 10-2005-0021953 (2005-03-01), None

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