Photography – Having photocell at specific position within camera – Having two or more mirrors
Reexamination Certificate
2008-07-15
2008-07-15
Perkey, W. B. (Department: 2862)
Photography
Having photocell at specific position within camera
Having two or more mirrors
C396S268000, C396S271000, C396S355000, C396S356000, C396S358000, C396S373000, C396S386000, C359S214100, C359S839000, C359S850000, C348S333090, C348S341000, C348S343000, C348S344000
Reexamination Certificate
active
11212929
ABSTRACT:
According to the present invention, light from a taking lens is reflected by a quick return mirror in a lateral direction of a body unit. Then, after passing through a screen, the light is reflected toward an upper side of the body unit by a second mirror except part of the light. The light reflected by the second mirror is reflected by a third mirror in a direction opposite to a direction in which the light is reflected by the quick return mirror, and is further reflected by a fourth mirror toward an eyepiece located on a back side of the body unit. Part of the light which passing though the screen is taken by an AF sensor unit provided in rear of the second mirror, and an image formation position of an optical image is detected.
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Chinese Office Action for Application No. 2005100938376, dated Jan. 12, 2007 (5 pgs.) with Translation of Text of Office Action (4 pgs.).
Iwase Shigeru
Kato Koji
Kato Shigeru
Kawai Sumio
Terada Hiroshi
Olympus Corporation
Perkey W. B.
Pokotylo John C.
Straub and Pokotylo
Strieb Michael A
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