Abstract: Image signals input terminals are selected by a selector. The image signals are combined and displayed on the same screen of a display device. The display screen includes one main screen and a plurality of sub screens. In the case where a moving image is displayed on the main screen, images displayed on the sub screens are updated when the moving image displayed on the main screen are in a still state. The modes of the image signals are detected only when they are input for the first time, the process performed upon the image signals input after that is controlled in accordance with information stored in a memory.

Abstract: A display apparatus for displaying video information by superimposing a plurality of images obtained through a plurality of display systems, each including a light source, a reflection type liquid crystal panel and an optical system. The apparatus includes at least either of a system selector for selecting at least one of the plurality of display systems and a modifier for modifying the attributes of the image obtained through one of the display systems.

Abstract: A display apparatus for displaying video information by superimposing a plurality of images obtained through a plurality of display systems, each being constituted by a light source, a reflection type liquid crystal panel and an optical system, characterized in that the apparatus comprises at least either of system selection means for selecting at least one of the plurality of display systems and modifying means for modifying the attributes of the image obtained through one of the display systems.

Abstract: A projection display device has a large dynamic range in addition to a large-sized screen and high definition. In a projection display device for projecting an image formed by an optical modulator to display the image, an illumination-light amount modulating unit for adjusting an amount of light illuminated to the optical modulator is provided between a light source for illuminating the optical modulator and the optical modulator.

Abstract: An image pickup apparatus is provided with a visual line detecting device for detecting the position of a fixation point of the eye of the operator obtained within the image plane of an electronic viewfinder which displays an image of an object of shooting, and an image processing circuit for processing and enlarging the image with the detected position of the fixation point as the center of the enlarging action.

Abstract: An electron emission device comprises an electron emission electrode with a pointed end and a counter electrode positioned opposite to the pointed end, both formed by fine working of a conductive layer laminated on an insulating substrate.

Abstract: By providing a semiconductor device including a charge transfer channel to one end of which electric charges supplied from a charge supply unit are input, and which includes a plurality of branching regions at an intermediate portion, a plurality of gate electrodes provided on the corresponding branching regions of the charge transfer channel via insulating films, an input-signal supply unit for supplying each of the gate electrodes with an input signal, a transfer electrode, provided on the charge transfer channel via a gate insulating film, for performing control so that the electric charges are transferred in a predetermined direction within the charge transfer channel, a conversion unit for coverting the transferred electric charges into a voltage, and a sense amplifier to which an output signal from the conversion unit is input, and by providing a semiconductor circuit which includes such a device, it is possible to reduce the scale of circuitry, increase the calculation speed, and reduce electric power

Abstract: An electron emission device comprises an electron emission electrode with a pointed end and a counter electrode positioned opposite to the pointed end, both formed by fine working of a conductive layer laminated on an insulating substrate.

Abstract: In a semiconductor device which has capacitors respectively connected to multiple input terminals, and in which the remaining terminals of the capacitors are commonly connected to a sense amplifier, the capacitors and the sense amplifier are formed by utilizing a semiconductor layer on an insulating surface, whereby high-speed, high-precision processing of signals having a large number of bits supplied from the multiple input terminals is realized by a small circuit scale.

Abstract: An optical apparatus comprises at least image display device, a light source for illuminating the image display device, light-receiving device for receiving the light reflected from the eye of an observer, and calculation device for calculating the line of sight of the observer based on the output of the light-receiving means. At least, a part of the illuminating light from the light source is utilized as the illuminating light for illuminating the eye of the observer.

Abstract: The present invention is intended to provide a photoelectric conversion device provided with a plurality of groups comprising a plurality of adjacent photoelectric conversion elements, wherein the plurality of groups are respectively provided with a detection circuit for detecting a peak signal of each group.

Abstract: In a semiconductor device which has capacitors means respectively connected to multiple input terminals, and in which the remaining terminals of the capacitors are commonly connected to a sense amplifier, the capacitors and the sense amplifier are formed by utilizing a semiconductor layer on an insulating surface, whereby high-speed, high-precision processing of signals having a large number of bits supplied from the multiple input terminals is realized by a small circuit scale.

Abstract: A semiconductor device having a semiconductor layer formed on a substrate having an insulating surface, comprises a first region formed by processing the semiconductor layer from one major surface thereof, and a second region formed by processing the semiconductor layer from the other major surface, the first and second regions cooperating to constitute a semiconductor function element, isolation region or the like.

Abstract: A storage device has, on a substrate, a first semiconductor region of one conductivity type, and second and third semiconductor regions, of a conductivity type opposite to the one conductivity type, contiguous to the first semiconductor region. A first electrode is formed on a, and spaced by an insulating region for isolating the second and third semiconductor regions, and a second electrode is formed on the first electrode and spaced from the latter by another. The resistance between the first and second electrodes is changed as needed from a high-resistance state to a low-resistance state.

Abstract: A display apparatus for displaying video information by superimposing a plurality of images obtained through a plurality of display systems, each being constituted by a light source, a reflection type liquid crystal panel and an optical system, characterized in that the apparatus comprises at least either of system selection means for selecting at least one of the plurality of display systems and modifying means for modifying the attributes of the image obtained through one of the display systems.

Abstract: An insulated gate transistor comprises source regions; drain regions; channel regions provided between the source and drain regions; a gate electrode; and gate insulative film provided between the channel regions and the gate electrode. The device has a semiconductor region which is provided so as to be in contact with the channel regions and has the same conductivity type as that of the channel region and has an impurity concentration higher than that of the channel region. The gate electrode has at least two opposite portions which face each other.

Abstract: Image signals input via input terminals are selected by a selector. The selected image signals are combined and displayed on the same screen of a display device. The display screen includes one main screen and a plurality of sub screens. In the case where a moving image is displayed on the main screen, images displayed on the sub screens are updated when the moving image displayed on the main screen are in a still state. The modes of the image signals are detected only when they are input for the first time, the process performed upon the image signals input after that is controlled in accordance with information stored in a memory.

Abstract: An insulated gate transistor comprises source regions; drain regions; channel regions provided between the source and drain regions; a gate electrode; and gate insulative film provided between the channel regions and the gate electrode. The device has a semiconductor region which is provided so as to be in contact with the channel regions and has the same conductivity type as that of the channel region and has an impurity concentration higher than that of the channel region. The gate electrode has at least two opposite portions which face each other.

Abstract: A display apparatus for displaying video information by superimposing a plurality of images obtained through a plurality of display systems, each including a light source, a reflection type liquid crystal panel and an optical system. The apparatus includes at least either of a system selector for selecting at least one of the plurality of display systems and a modifier for modifying the attributes of the image obtained through one of the display systems.

Abstract: A reflection type liquid crystal apparatus comprises a pixel electrode substrate carrying thereon a plurality of pixel electrodes, an opposite substrate disposed vis-a-vis said pixel electrodes and a liquid crystal material filling the gap between the substrates and adapted to display images by causing the pixel electrodes to reflect light entering from the opposite substrate. A reflection layer is arranged below a plurality of openings defined by the plurality of pixel electrodes to reflect light entering through the openings back to the openings.