Focal plane shutter and image sensing apparatus

Details Focal plane shutter and image sensing apparatus Focal plane shutter and image sensing apparatus

2008-01-29

2008-01-29

Mahoney, Christopher (Department: 2862)

Photography

Camera shake sensing

Having stabilization system

C396S357000, C396S452000, C348S208700

Reexamination Certificate

active

11219185

ABSTRACT:
The size of the opening1094aof the shutter base plate1094is set, considering driving amounts of the image sensor101and the low pass filter108during shake correction, so that the size of the opening1094ain X-axis direction (Y-axis direction) is set equal to or larger than the sum of the size of the low pass filter108and the maximum moving amount of the low pass filter108in the X-axis direction (Y-axis direction). Specifically, the length Lx of the opening1094aof the shutter base plate1094in the X-axis direction, and the length Ly thereof in the Y-axis direction respectively satisfy the following equations:in-line-formulae description="In-line Formulae" end="lead"?Lx≧X+2Δxin-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?Ly≧Y+2Δyin-line-formulae description="In-line Formulae" end="tail"?where X represents the length of the low pass filter108in the X-axis direction, Y represents the length of the low pass filter108in the Y-axis direction, Δx represents the maximum moving amount of the low pass filter108in the X-axis direction with respect to the centering position, and Δy represents the maximum moving amount of the low pass filter108in the Y-axis direction with respect to the centering position.

REFERENCES:
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patent: 2006/0177209 (2006-08-01), Miyasako
patent: 2006/0257128 (2006-11-01), Ishito et al.
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patent: 2003-222923 (2003-08-01), None
patent: 2004-104652 (2004-04-01), None

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