Image input apparatus and image display apparatus

An image display apparatus comprising image display means for displaying a parallax image, a display optical system for guiding light from the image display means to a position of an exit pupil, and exit pupil control means for controlling a position or a size of the exit pupil in a direction perpendicular to the optical axis, dividing the exit pupil into a plurality of areas, and successively generating the plurality of divided areas of the exit pupil without duplication, wherein the image display means successively displays corresponding parallax images according to beams passing the respective areas thus generated.

An image display apparatus comprising image display means for displaying a parallax image, a display optical system for guiding light from the image display means to a dividing aperture, said dividing aperture having a plurality of apertures, wherein an arbitrary aperture out of the plurality of apertures is selected as a passing area of light, and control means for controlling a position of the light-passing aperture in the dividing aperture and the parallax image displayed on the image display means.

An image input apparatus comprising imaging means for imaging an object, an imaging optical system for guiding light from the object to the imaging means, aperture generating means for spatially and temporally dividing a pupil of the imaging optical system into a plurality of areas and controlling a passing beam to each area, and control means for controlling switching between parallax images taken by the imaging means in correspondence to the respective areas of the pupil so as to effect input of the parallax images.

An image input apparatus comprising imaging means for imaging object information, an imaging optical system for guiding light from an object to the imaging means, aperture generating means for controlling a position or a size of a pupil of the imaging optical system, dividing the pupil into a plurality of areas, and limiting a beam-passing area, and control means for making the imaging means successively take corresponding parallax images according to positions of the aperture of the pupil.

A stereoscopic display system comprising imaging means for imaging an object, an imaging optical system for guiding light from the object to the imaging means, aperture generating means for spatially and temporally dividing a pupil of the imaging optical system into a plurality of areas and controlling a passing beam to each area, control means for controlling switching between parallax images taken by the imaging means in correspondence to the respective areas of the pupil so as to effect input of the parallax images, image display means for displaying a parallax image, a display optical system for guiding light from the image display means to a position of an exit pupil, exit pupil control means for spatially and temporally dividing the exit pupil into a plurality of areas and controlling a passing beam to each area, and image switching control means for controlling switching of the parallax images taken by the imaging means, to the parallax images on the image display means in correspondence to passing beams through the respective areas, wherein a plurality of parallax images are perceived by a single eye of an observer.

An image display apparatus wherein an optical system comprising image information generating means for displaying a parallax image and a display optical system for guiding light from the image information generating means to a pupil of an observer is moved to scan in front of the pupil of the observer by scanning means whereby a plurality of parallax images are perceived by a single eye of the observer.

An image display apparatus comprising a plurality of image display means capable of displaying image information with parallax, at least one illumination means having an illumination light source for illuminating the plurality of image display means, and a display optical system for guiding light from the plurality of image display means to an observing eye, in which the illumination light source is located at or near a position optically equivalent to an entrance pupil of the display optical system and in which a position of an exit pupil of the display optical system is approximately matched with a position of an entrance pupil of the observing eye so as to permit observation of the image information, wherein the illumination light source comprises a plurality of unit light sources, wherein images of the unit light sources spatially divide the exit pupil of the display optical system into a plurality of illumination areas, and wherein a plurality of parallax images are made incident simultaneously or time-serially into a single eye of an observer by making use of control means for controlling parallax images displayed on the plurality of image display means in correspondence to radiation of light from the plurality of unit light sources.