Camera provided with optical finder

Photography – Having photocell at specific position within camera – Having two or more mirrors

Reexamination Certificate

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Details

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.

REFERENCES:
patent: 4119982 (1978-10-01), Imura et al.
patent: 4571630 (1986-02-01), Tamagawa et al.
patent: 4623932 (1986-11-01), Inoue et al.
patent: 5459511 (1995-10-01), Uehara et al.
patent: 5734428 (1998-03-01), Suda et al.
patent: 5737648 (1998-04-01), Ejima et al.
patent: 5953546 (1999-09-01), Okada et al.
patent: 2005/0174464 (2005-08-01), Iwase et al.
patent: 2007/0264005 (2007-11-01), Haubmann
patent: 06-130457 (1994-05-01), None
patent: 07-287160 (1995-10-01), None
patent: 2001-016485 (2001-01-01), None
patent: 2001-033849 (2001-02-01), None
Chinese Office Action for Application No. 2005100938376, dated Jan. 12, 2007 (5 pgs.) with Translation of Text of Office Action (4 pgs.).

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