Abstract: A flat panel display has a low withstand voltage and performs high speed line sequential scanning and recovers power. An AC type panel display has electrodes arranged in a matrix form, a push-pull type driver circuit, having first and second transistors, provided for each pair of plural pairs, of power supply lines connected to a driver circuit for driving a plurality of display electrodes to be scanned and a power supply which supplies a defined voltage to one of the respective power supply lines of each pair connected to the corresponding driver circuit, and a leakage control switch which leaks the defined voltage applied to the power supply line.

Abstract: A color separation prism having four blocks which can be directly placed at a position, where a color separation prism is to be provided, within a currently-used camera by making the F-number of the color separation prism substantially equivalent to that of an image pick-up lens, and which can implement a dual green system while obtaining the same brightness for the overall optical system as it is obtained from a color separation prism having three blocks. The color separation prism is made up of two prism blocks for separating an incident ray into a green color, one prism block for separating the incident ray into a red color, one prism block for separating the incident ray into a blue color, and an F-number which is substantially the same as an F-number of an image pick-up lens used together with the color separation prism.

Abstract: Disclosed is an electrode for semiconductor devices capable of suppressing the generation of hillocks and reducing the resistivity, which is suitable for an active matrixed liquid crystal display and the like in which a thin film transistor is used; its fabrication method; and a sputtering target for forming the electrode film for semiconductor devices. The electrode for semiconductor devices is made of an Al alloy containing the one or more alloying elements selected from Fe, Co, Ni, Ru, Rh and Ir, in a total amount from 0.1 to 10 At %, or one or more alloying elements selected from rare earth elements, in a total amount from 0.05 to 15 at %.

Abstract: An Al alloy film containing one kind or two or more kinds of alloy components selected from a group of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo and Mn in a total amount of 0.1 to 10 at %, and a melting Al alloy sputtering target for depositing the Al alloy film, wherein the above-mentioned film is used as a reflection film for an optical recording medium, a shading film for a liquid crystal display panel or for a solid image pickup device, and an Al alloy thin film line or electrode material for a semiconductor device.

Abstract: Disclosed is a method of lowering the permeability of a difficult-to-work Co alloy by introducing high working strain. It includes the steps of: making a Co alloy by melting, the Co alloy containing 0.1 to 40 atomic % of Ni and/or 0.1 to 40 atomic % of Pt, and 0.5 to 10 atomic % of one or more kinds of elements selected from a group consisting of Ta, Mo, W, V, Nb, Hf, Zr, Ti and B (the upper limit of B: 5 atomic %), the balance being 50 atomic % or more of Co and inevitable impurities; preparing a sheet like ingot having a thickness of 30 mm or less using the Co alloy; and covering the surface of the ingot with a metal capsule or coating it with a glass lubricant, and hot-rolling the treated ingot in such a manner that the reduction is performed in two stages accompanied by re-heating and the whole reduction is 30% or more.

Abstract: A civil engineering and construction fibrous reinforcing material having a metal oxide, metal hydroxide, and metal hydroxy-oxide fast deposited on a fibrous substance is practically useful as a substitute for asbestos. This material is produced by immersing the fibrous substance in a mixed solution of a metal salt and a solvent. Civil engineering and construction materials having the fibrous reinforcing material incorporated in inorganic refractory substances are used in the form of sheet-molded plates, for example.

Abstract: A probe for ultrasonic flaw detectors includes a transducer and either a protection plate to protect the transducer or a metallic part for attaching the transducer directly to the object to be tested for flaws, these two parts being bonded to each other with a heat-resisting brazing or soldering material. Because of its high bonding strength, the probe thus formed is not only capable of serving both in high and low temperature ranges, but also may be used in a roving mode or in a stationary mode in testing the object.

Abstract: A coordinate detecting apparatus for determining the coordinate data of a point on a plane by indicating the point with a touch of a fingertip or other load to the point. The apparatus comprises a transparent resistive film forming the plane (touch panel) and a buffer circuit operating as a voltage follower circuit having substantially infinate input impedance. The buffer amplifier is operatively connected between each selected pair of facing ends of a substantially rectangular region of the resistive film, and equalizes the potentials at the ends. The change of the impedance between one of the ends and the ground is detected in accordance with the touch of the fingertip to the touch panel and is used as an original coordinate data. Further modifications concerning the avoidance of degradation in the detection quality due to fluctuations of the impedance provided by the touch of a fingertip, for example, and the methods to perform 2-dimensional coordinate detection are described.

Abstract: A leaf spring construction employs tapered leaf elements made from a steel sheet, where at least the tapered portion of the leaf elements have an arcuate shape in transverse cross-section with a convex surface on the tension side and a concave surface on the compression side thereof.

Abstract: A touch sensing device employing a new sensing method of the present invention is composed of the sensing portion which senses capacitance change of the touch sensing electrodes forming the touch panel, plurality of capacitance compensating capacitors which are used in common for the sensing electrodes in order to compensate fluctuation of touch sensing electrodes of the touch panel, and the ROM which is storing the data for selecting the capacitance compensating capacitors. The ON-OFF output voltage levels in the touch/non-touch conditions to the touch sensing electrodes can be equalized for each electrode and thereby the touch sensing with high accuracy can be realized by selecting the capacitance compensating capacitor by means of the ROM at the time of retrieving each touch sensing electrode.

Abstract: A transparent finger touch sensing device having a sensing circuit including a resonator for sensing a touch an oscillator for supplying an AC signal to the resonator, a buffer circuit for isolating an output of the oscillator from each selected touch electrodes and for supplying the oscillator output to the remaining non-selected touch electrodes when the sensing circuit is sequentially connected to the touch sensing electrodes, is disclosed. Thereby, the selected touch electrodes and non-selected touch electrodes are maintained at a voltage having the same phase and the same level and the inter-electrode impedance is substantially negligible.

Abstract: A leaf spring construction including at least one leaf element made from a flat sheet of uniform width and thickness, the leaf element having an arcuate shape in the transverse cross-section with a convex surface on tension stress side and a concave surface on compression stress side thereof, the leaf element having in cross-section a width b and a transverse center line forming an arc of a radius r.sub.c with the relation of2.0.gtoreq.r.sub.c /b.gtoreq.0.64and a thickness t with the relation of0.2.gtoreq.t/b.gtoreq.0.05In a laminated leaf spring including a plurality of such leaf elements, each leaf element is formed to have a convex surface of a radius of curvature r.sub.o and a concave surface of a radius of curvature r.sub.i in the relation of1.2.gtoreq.r.sub.o /r.sub.i .gtoreq.1.0.

Abstract: An improved driving system for write operations into shift rows in a multi-row self shift type gas discharge panel. Each shift row is composed of at least one shift channel comprising a regular arrangement of plural shift discharge cells and which is provided with a write electrode which defines a write discharge cell at one end of the shift channel. To the write electrodes of the shift rows, the write voltage pulse is supplied in common. When applying the write voltage pulse to the write electrode of a selected shift row, a shift voltage pulse which is the same in polarity as said write voltage pulse and has an equivalent or greater time width than said write voltage pulse is applied to the shift electrode opposing the write electrodes of the non-selected shift rows, and as a result, erroneous discharges, namely, over-write to the adjacent shift discharge cells, can be avoided by preventing the discharge of the write discharge cells of the non-selected shift rows.

Abstract: A color separation optical system consisting of prism blocks is provided with a bias light source and a bias light guide-in device. The bias light guide-in device consists of a plane parallel plate located with an air gap in front of an entrance face of the color separation optical system. The plane parallel plate has light reflecting surfaces to reflect the bias light toward the entrance face. The light reflecting surfaces are provided at the periphery of the plane parallel plate and are desirably made into light diffusing faces.

Abstract: An AC memory driving type self-shift type gas discharge panel prevents accidental abnormal discharges caused by deviated abnormal charges. Abnormal charges are significantly accumulated at both ends of a shift channel consisting of a regular arrangement of a write discharge cell and shift discharge cells. Therefore, conductive layers are provided adjacent to at least both ends of the shift channel in order to dissipate the abormal charges.

Abstract: An AC memory drive type self-shift type gas discharge panel which can prevent an accidental erroneous discharge caused by distributed abnormal charges. Abnormal charges may accumulate to a significant extent at the ends of the shift channels having write discharge cells and shift discharge cells regularly arranged. A path for leaking the abnormal charges is provided in the dielectric layer covering the electrode defining the discharge cells at the end of the shift channels.

Abstract: A self shift type gas discharge panel in which pluralities of buses are respectively provided on a pair of substrates disposed opposite each other, electrodes are respectively connected to the buses and shift channels are set up in row and column directions with arrays of discharge points formed between the opposed electrodes of the substrates to enable shifting of a discharge spot in the row or column direction. On the substrates, the electrodes and the buses are so arranged as not to intersect each other, which allows ease in the manufacture of the discharge panel and ensures stable shifting of the discharge spot.

Abstract: A gas discharge panel provides one or more shift channels for discharge spots, said shift channel (s) being composed of 2 or more electrode groups on each of a pair of substrates arranged oppositely across a discharge gap. Electrodes of each group are provided alternately and periodically on each substrate with the electrode patterns on each substrate such as to define said shift channel(s). The electrode layout eliminates the need for crossover areas in the leading out of electrodes and is very useful for realizing high resolution and low cost AC driven self-shift plasma display panels.

Abstract: A pulse driven self-shift plasma display panel characterized by having meander type shift channels for shifting a discharge spot. Each meander type shift channel is composed of an array of discharge cells defined in the discharge gap at the crossing points of electrodes arranged on parallel substrates, the electrodes on one substrate being oriented generally transversely to those on the other substrate, and barrier structure for determining the meander route being provided. Data in the form of a discharge spot is written in at one end of a shift channel and is shifted by the pulse shift voltages with various phases over the meander route for display at the desired positions. The barrier structure may also be formed using photo-luminescent phosphor material to create desired colored display effects.

Abstract: An optical system for a color television camera includes an interchangeable taking lens, a color separating prism block located behind the taking lens and three image pick-up tubes for different color images located behind the prism block. Between the prism block and at least one of the pick-up tubes an optical element which is capable of varying the optical path length is inserted. The optical path length varying element may be a plane parallel plate or a combination of two optical wedges having parallel opposite end faces. The plane parallel plate changes the optical path length by its thickness. The combination of the two optical wedges varies the optical path length by sliding the wedges with respect to each other to vary the distance between the opposite end faces.