Abstract: A video signal generating device with which a video signal of high resolution is produced while significantly suppressing the generation of color Moire disturbance. The received optical image is split into two beams and applied to respective color and monochrome image sensors. The optical beam applied to the color sensor is optically filtered to limit it in spatial frequency to a band below that applied to the monochrome sensor. A high frequency luminance signal is produced from an output of the monochrome sensor, a low frequency luminance signal is produced from the output of the color sensor, and a composite luminance signal is formed from the combination of the high and low frequency luminance signals. The overall resolution of the device is determined by the monochrome signals produced by the monochrome sensor.

Abstract: An image pickup apparatus using an image sensor is provided with a rotary shutter that controls the amount of time the image-forming light strikes the image sensor. A synchronism detector is provided to detect the phase difference between the rotation of the rotary shutter and the scanning of the image sensor by comparing the phase signals produced according to the speed of rotation of the rotary shutter and vertical synchronizing signals periodically produced as well as scanning signals for scanning the image sensor. When there is no phase difference between the two signals, the synchronism detector provides an operation signal which causes a switching circuit to be conductive, so as to permit an image recorder to record images. On the other hand, if there is a phase difference, the synchronism detector provides no operation signal and the switching circuit is rendered non-conductive so as to prevent the image recorder from recording images.

Abstract: A processing method and apparatus for providing high speed computations including an exchange network for discriminating a first processing node which can execute a predetermined arithmetic operation. The processing node being capable of executing the arithmetic operation and determining a second processing node to which the output of the executed node is to be applied. The invention may include a plurality of first and second processing nodes in parallel to enable high speed computations.

Abstract: An apparatus for measuring a flow rate of gas comprises a gas passage through which the gas to be measured flows in an axial direction thereof, a movable member linearly movable being disposed in the gas passage in a gas flow direction, a flow pipe providing therein the gas passage, a cross-sectional area of the flow pipe being increased along the gas flow direction in at least over a moving range of the movable member, a rod secured to the movable member to extend from the movable member along the gas flow direction, a bearing for bearing the rod for movement in response to moving of the movable member, the bearing being disposed in the gas passage and secured to the flow pipe, a helical spring for urging the movable member towards a direction opposite to the gas flow direction, a potentiometer for converting an amount of displacement of the rod into an electric signal, an amount of the displacement of the rod corresponding to that of movement of the movable member, a first cylinder closed at one end thereof

Abstract: The present invention relates to a Bi-CMOS.

Abstract: The invention discloses a semiconductor integrated circuit device characterized in that an inverse transistor element portion and a normal transistor element portion are formed in a common semiconductor layer and are separated from each other by an oxide layer penetrating said semiconductor layer in the direction of its thickness. In particular, in order to attain improved characteristics for the respective devices, the semiconductor layer of the inverse transistor element portion is thinner than the semiconductor layer of the normal transistor element portion.

Abstract: Disclosed is a semiconductor device having an isolation region which includes a fine groove extending from the surface of a semiconductor layer into the semiconductor layer, an insulating layer formed on the wall portion of the fine groove, and a semiconductor layer formed on the insulating layer so as to fill up the fine groove, the semiconductor layer serving as an electrode for providing a fixed potential thereto.

Abstract: In a method for producing a mold for metal casting capable of being easily disintegrated by water which comprises the steps of kneading alumina sand with hydrous sodium aluminate as a binder, forming the kneaded mixture into the desired mold shape and then passing carbon dioxide gas through the mold to decompose sodium aluminate and harden it; the improvement wherein the kneading of alumina sand with the binder before mold formation is carried out in an atmosphere of carbon dioxide gas to decompose 50 to 80% of the sodium aluminate in advance.

Abstract: A method of manufacturing a semiconductor device characterized in that after a fine groove has been formed in the surface of a semiconductor layer by dry etching, an insulating region is formed so as to fill up the fine groove.

Abstract: The intensity of light penetrating an X-ray film being viewed is automatically maintained at a preset, adjustable, eye comfort level. A photosensor detects the average light level on the observer side, and its output controls the charging time of a capacitor coupled to the emitter of a unijunction transistor. When the capacitor reaches a predetermined voltage it fires the transistor and dumps its charge through a pulse generator which in turn triggers a gated semiconductor connected in series with the viewer light source. The period between successive firing cycles is proportional to the penetrating light level. Thus, if the light level increases, as when a relatively transparent film negative is inserted in the viewer or when a negative is removed, the capacitor charging time increases, the firing period increases, and the light source intensity therefore decreases to restore the preset level of light penetration.

Abstract: A process for producing a self-curable and water-soluble mold, which comprises admixing a suitable amount of water with a mixture consisting of (A) 100 parts by weight of refractory sand particles composed of alumina, (B) 1 to 5 parts by weight of at least one alkali metal phosphate selected from the group consisting of potassium phosphate and sodium phosphate, and (C) 0.2 to 3 parts by weight of an aluminum powder; shaping the resulting mixture into a mold of the desired form; and then allowing the mold to cure spontaneously.