Television – Camera – system and detail – Optics
Reexamination Certificate
2006-10-04
2010-06-08
Selby, Gevell (Department: 2622)
Television
Camera, system and detail
Optics
C348S241000, C348S222100
Reexamination Certificate
active
07733411
ABSTRACT:
An image capturing apparatus includes an optical system having distortion aberration for expanding a central part and compressing a peripheral part of an object; a filtering device for cutting low-frequency components of each image signal; a filter setting device for assigning: first coefficients for cutting frequencies equal to or lower than a first frequency to an image area corresponding to the central part, and second coefficients for cutting frequencies equal to or lower than a second frequency higher than the first frequency to an image area corresponding to the peripheral part; a device for integrating each image signal and generating an evaluation value; a device for performing area division based on data relating to divided areas formed by dividing an effective image area, by setting each divided area for the integration device; and a device for controlling focusing based on the evaluation value with respect to each divided area.
REFERENCES:
patent: 6362852 (2002-03-01), Ito
patent: 6710806 (2004-03-01), Satoh
patent: 2003/0123870 (2003-07-01), Yoshida et al.
patent: 10-233950 (1998-09-01), None
patent: 2001-255450 (2001-09-01), None
Olympus Corporation
Selby Gevell
Westerman Hattori Daniels & Adrian LLP
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