Photography – Pseudo zoom
Reexamination Certificate
2005-10-27
2009-08-25
Koval, Melissa J (Department: 2862)
Photography
Pseudo zoom
C348S240100
Reexamination Certificate
active
07580622
ABSTRACT:
An imaging apparatus comprises an optical magnification changing mechanism which optically changes a magnification of an image, and an electronic magnification change mechanism which reduces or expands a magnification with respect to image data by signal processing. The optical magnification changing mechanism is configured so that a magnification is discrete and a focal position changes together with a focal distance. The electronic magnification change mechanism carries out an interpolation process such that the number of pixels is increased with respect to a predetermined region of read image data during an expanding process, and carried out a process for discretely sampling a wide region as compared with a readout region obtained by the sampling provided when no magnification conversion is made, during a reducing process, thereby offsetting a change of the focal position in the optical magnification changing mechanism.
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Japanese Office Action dated Feb. 10, 2009 (3 pages), and English translation thereof (4 pages) issued in counterpart Japanese Application No. 2006-246129.
Iyama Noriyuki
Mihara Shin'ichi
Minakata Hiroyuki
Shiratani Fumiyuki
Watanabe Nobuyuki
Frishauf Holtz Goodman & Chick P.C.
Koval Melissa J
Olympus Corporation
Parker Autumn
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