Optical apparatus

Details Optical apparatus Optical apparatus

2006-12-19

2006-12-19

Perkey, W. B. (Department: 2851)

Photography

Camera detail

Lens cover

Reexamination Certificate

active

07150571

ABSTRACT:
A camera capable of stabilizing the open state and closed state of barrier blades is disclosed. The camera comprises a lens barrel which holds a lens; and a barrier unit placed closer to the end of the lens barrel than a flange which is formed on the lens barrel and extends in the direction orthogonal to the optical axis, wherein the barrier unit has: a barrier member which opens/closes the front of the lens through a rotation operation; a barrier driving mechanism which drives the barrier member according to the operation of the lens barrel; and a partition plate which separates the barrier member from the barrier driving mechanism in the direction of the optical axis, and a shaft which supports the barrier member in a rotatable manner is formed on the flange.

REFERENCES:
patent: 5159372 (1992-10-01), Nomura et al.
patent: 5486889 (1996-01-01), Shintani
patent: 5862426 (1999-01-01), Ichino et al.
patent: 6419407 (2002-07-01), Nakazawa
patent: 6733191 (2004-05-01), Oh et al.
patent: 6988837 (2006-01-01), Ichino
patent: 0 788 020 (1997-08-01), None
patent: H8 (1996)-234292 (1996-09-01), None
patent: H9 (1997)- 211536 (1997-08-01), None
patent: H10 (1998)-186453 (1998-07-01), None

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