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US 7,133,608 B1Granted
Camera
AssigneeMinolta Co., Ltd.
InventorsHideki Nagata, Tsutomu Honda
Life of this patent
Estimating the term…
Abstract
A camera divides a light beam having passed through a taking lens unit into two light beams. One light beam forms an image on a silver salt film. Another light beam forms an image on a CCD. A light path for said another light beam is provided with an aperture diaphragm. The taking lens unit has an aperture diaphragm. Said two aperture diaphragms are correlatively controlled by a controller incorporated in the camera.
Claims5
A camera comprising:
- a first photo-taking portion in which, based on an optical flux introduced by a taking lens, an image of a subject is formed on a first predetermined focal plane to record the image;
- an optical viewfinder that presents an optical image of the subject based on the optical flux introduced by the taking lens so as to enable observing of the optical image;
- a second photo-taking portion in which, based on the optical flux introduced by the taking lens, an image formed on a second predetermined focal plane to generate a display so as to allow the image of the subject to be checked by a photographer;
- an image-sensing device provided on the second predetermined focal plane of the second photo-taking portion which outputs a signal of continuous frames based on the optical flux;
- a movable mirror which is movably provided between a first position in an optical path of the optical flux introduced by the taking lens for reflecting the optical flux and a second position retracted from the optical path;
- optical path forming members including a plurality of mirrors and a semitransparent member for forming a first optical path for introducing the optical flux reflected by the movable mirror toward the optical viewfinder and a second optical path for introducing the optical flux reflected by the movable mirror toward the second photo-taking portion;
- and
- a signal processor that produces a display image signal of the continuous frames in accordance with the signal output from the image-sensing device of the second photo-taking portion to thereby produce a moving picture preview prior to recording an image via said first photo-taking portion.
5 more elements
Dependencies are inferred from the claim text.