Camera with visual axis detecting device
First Claim
Patent Images
1. A camera or a camera body comprising:
- finder means for inspecting an object;
illumination means for illuminating an operator'"'"'s eye looking into the finder means;
a condensing optical system for condensing light reflected from the operator'"'"'s eye;
photoelectric converter means for receiving the condensed reflected light;
calculation means for calculating the direction of a visual axis of the operator'"'"'s eye on the basis of an output of said photoelectric converter means; and
condition setting means, having a light-receiving portion for receiving a light beam passing through an objective lens, operable in response to the result of the calculation of said calculation means, for setting a photographing condition of the camera, wherein said condensing optical system includes an image reduction system and said photoconverter means includes a member in which pixels are two-dimensionally arranged.
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Abstract
A camera includes a finder for inspecting an object, a illuminator for illuminating an operator'"'"'s eye by which the operator looks in at the finder means, a condensing optical system for condensing a reflected light from the operator'"'"'s eye, a photoelectric converter for receiving the condensed reflected light, calculator for calculating a direction of a visual axis of the operator'"'"'s eye on the basis of an output of the photoelectric converter, and a condition setter operable in response to the result of the calculation of the calculator for setting photographing conditions of the camera.
54 Citations
39 Claims
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1. A camera or a camera body comprising:
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finder means for inspecting an object; illumination means for illuminating an operator'"'"'s eye looking into the finder means; a condensing optical system for condensing light reflected from the operator'"'"'s eye; photoelectric converter means for receiving the condensed reflected light; calculation means for calculating the direction of a visual axis of the operator'"'"'s eye on the basis of an output of said photoelectric converter means; and condition setting means, having a light-receiving portion for receiving a light beam passing through an objective lens, operable in response to the result of the calculation of said calculation means, for setting a photographing condition of the camera, wherein said condensing optical system includes an image reduction system and said photoconverter means includes a member in which pixels are two-dimensionally arranged. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A camera or a camera body comprising:
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finder means for inspecting an object; illumination means for illuminating an operator'"'"'s eye looking into the finder means; a condensing optical system for condensing light reflected from the operator'"'"'s eye; photoelectric converter means for receiving the condensed reflected light; calculation means for calculating the direction of a visual axis of the operator'"'"'s eye on the basis of an output of said photoelectric converter means; and condition setting means, having a light-receiving portion for receiving a light beam passing through an objective lens, operable in response to the result of the calculation of said calculation means, for setting a photographing condition of the camera, wherein said condition setting means can perform a measurement in each of different positions in a photographing field; and
said result of the calculation of said calculation means selects one of said different positions, wherein said condition setting means comprises an auto exposure adjusting device having a plurality of photometric means;
said plurality of photometric means can weight their outputs to provide a distribution of photometric sensitivity around a center point; and
said center point of the distribution of photometric sensitivity can be changed by the detected direction of the visual axis, wherein said condensing optical system includes an image reduction system and said photoconverter means includes a member, in which pixels are two-dimensionally arranged. - View Dependent Claims (16)
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17. A photo-taking apparatus, comprising:
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finder means for viewing a scene; illumination means for illuminating an operator'"'"'s eye looking into said finder means; a fixed condensing optical system for condensing light reflected from the operator'"'"'s eye; a fixed two-dimensional photoelectric array device for receiving the condensed reflected light; calculation means for calculating the direction of a visual axis of the operator'"'"'s eye on the basis of an output of said photoelectric array device; and condition setting means operable in response to the result of the calculation of said calculation means, for setting a photographing condition of said apparatus. - View Dependent Claims (18, 19, 20, 21, 22, 23)
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24. A photo-taking apparatus comprising:
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finder means having an eye-piece for viewing a scene; illumination means located near said eye-piece, for illuminating an operator'"'"'s eye looking into said finder means; a converging optical system located near said eye-piece, for converging light reflected from the operator'"'"'s eye; a photoelectric converter for receiving the condensed reflected light; calculation means for calculating the direction of a visual axis of the operator'"'"'s eye on the basis of an output of said photoelectric converter; condition setting means operable in response to the result of the calculation of said calculation means, for setting a photographing condition of said apparatus; and wherein an optical path over which the operator'"'"'s eye is illuminated by said illumination means and an optical path over which light is reflected by the operator'"'"'s eye toward said converging optical system are spaced apart from each other. - View Dependent Claims (25, 26, 27, 28, 29, 30)
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31. A camera or a camera body, comprising:
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finder means for observing an object; illumination means for illuminating an eye of an observer who is observing a scene through said finder means; a converging optical system for converging a light flux reflected by the eye of the observer; a photoelectric converter for receiving the reflected light flux converged by said converging optical system; calculation means for calculating a direction of a visual axis of the eye of the observer based on the output of said photoelectric converter; and shutter speed designation means for designating the shutter speed of the camera or camera body based on the calculation result of said calculation means.
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32. A camera or a camera body, comprising:
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finder means for observing an object; illuminating means for illuminating an eye of an observer who is observing a scene through said finder means; a converging optical system for converging a light flux reflected by the eye of the observer; a photoelectric converter for receiving the reflected light flux converged by said converging optical system, and including a member in which pixels are two-dimensionally arranged; calculation means for calculating a direction of a visual axis of the eye of the observer based on the output of said photoelectric converter; and aperture value designation means for designating the aperture value of the camera or camera body based on the calculation result of said calculation means.
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33. A camera or a camera body, comprising:
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finder means for observing an object; illumination means for illuminating an eye of an observer who is observing a scene through said finder means; a converging optical system for converging a light flux reflected by the eye of the observer; a photoelectric converter for receiving the reflected light flux converged by said converging optical system; calculation means for calculating a direction of a visual axis of the eye of the observer based on the output of said photoelectric converter; and power focus operation means for performing a power focus operation of the camera or camera body based on the calculation result of said calculation means.
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34. A camera or a camera body, comprising:
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finder means for observing an object; illumination means for illuminating an eye of an observer who is observing a scene through said finder means; a converging optical system for converging a light flux reflected by the eye of the observer; a photoelectric converter for receiving the reflected light flux converged by said converging optical system, and including a member in which pixels are two-dimensionally arranged; calculation means for calculating a direction of a visual axis of the eye of the observer based on the output of said photoelectric converter; and power zooming operation means for performing a power zooming operation of the camera or the camera body based on the calculation result of said calculation means.
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35. A camera or a camera body, comprising:
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finder means for observing an object; illumination means for illuminating an eye of an observer who is observing a scene through said finder means; a converging optical system for converging a light flux reflected by the eye of the observer; a photoelectric converter for receiving the reflected light flux converged by said converging optical system; calculation means for calculating a direction of a visual axis of the eye of the observer based on the output of said photoelectric converter; and multiple exposure operation means for performing a multiple exposure operation of the camera or camera body based on the calculation result of said calculation means.
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36. A camera or a camera body, comprising:
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finder means for observing an object; illumination means for illuminating an eye of an observer who is observing a scene through said finder means; a fixed converging optical system for converging a light flux reflected by the eye of the observer; a fixed photoelectric converter for receiving the reflected light flux converged by said converging optical system; calculation means for calculating a direction of a visual axis of the eye of the observer based on the output of said photoelectric converter; and operation mode changeover means for performing a changeover of the operation mode of the camera or camera body based on the calculation result of said calculation means.
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37. A photo-taking apparatus comprising:
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observation means for observing an object; illumination means for illuminating an eye of a user viewing said observation means; condenser means for condensing light reflected by the eye; light-receiving means for receiving light from said condenser means, said light-receiving means being fixed against said apparatus and having a plurality of light-receiving elements two-dimensionally arranged; forming means for forming information as to a direction of the visual axis of the user based on an output of said light-receiving means; and condition setting means for setting a phototaking condition of said apparatus corresponding to an output of said forming means. - View Dependent Claims (38, 39)
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Specification