Collapsible lens barrel and imaging apparatus

Details Collapsible lens barrel and imaging apparatus Collapsible lens barrel and imaging apparatus

2007-03-27

2007-03-27

Mack, Ricky (Department: 2873)

Optical: systems and elements

Lens

With support

C359S822000, C359S823000, C359S694000, C359S699000

Reexamination Certificate

active

11100579

ABSTRACT:
There is provided a collapsible lens barrel including plural barrels of different outside diameters from one another and enabled to move coaxially and perform relative movement in an axial direction, and an image-capturing optical system disposed within the plural barrels; wherein the image-capturing optical system includes at least two lens holding frames arranged in a direction of an optical axis of the image-capturing optical system; and, considering an object side is set as a front side and an opposite side is set as a rear side, each of a rearmost lens holding frame, placed at a rearmost position, and one of the lens holding frames placed immediately in front of the rearmost lens holding frame, are respectively movably supported by a corresponding guide mechanism to move in the direction of the optical axis and to move in the direction of the optical axis by a corresponding drive mechanism.

REFERENCES:
patent: 5319498 (1994-06-01), Hara et al.
patent: 2002/0044363 (2002-04-01), Takeshita et al.
patent: 2003/0219249 (2003-11-01), Tanaka et al.
patent: 2002-286988 (2002-10-01), None
patent: 2004-194645 (2004-07-01), None
patent: 2005-148263 (2005-06-01), None
European Search Report; Application No.: 05290865.4-2217; dated Dec. 6, 2006.

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