Abstract: A method of driving a display device has a calculating step, a comparing step, and a controlling step. The calculating step calculates a total number of light-emission pulses within a field, based on an average of display load factors in at least two fields, the comparing step compares the calculated number of light-emission pulses with a number of light-emission pulses based on power consumption, and the controlling step controls a smaller display load factor as the total number of light-emission pulses within a field.

Abstract: There is provided a plasma display device including: a plasma display panel having a plurality of address electrodes selecting a display cell to emit light; a data generation circuit generating and outputting a plurality of address data for an application of a voltage to the plurality of address electrodes; a plurality of output ports outputting the plurality of address data; a selector switching over connections of outputs of the plurality of address data generated by the data generation circuit and the plurality of output ports.

Abstract: Metal organic chemical vapor deposition equipment is metal organic chemical vapor deposition equipment for forming a film on a substrate by using a reactant gas, and includes a susceptor heating the substrate and having a holding surface for holding the substrate, and a flow channel for introducing the reactant gas to the substrate. The susceptor is rotatable with the holding surface kept facing an inner portion of the flow channel, and a height of the flow channel along a flow direction of the reactant gas is kept constant from a position to a position, and is monotonically decreased from the position to the downstream side. It is thereby possible to improve film formation efficiency while allowing the formed film to have a uniform thickness.

Abstract: A metal-organic vaporizing and feeding apparatus includes: a retention vessel for retaining a metal-organic material; a bubbling gas feeding path connected to the retention vessel, for feeding bubbling gas to the metal-organic material; a metal-organic gas feeding path connected to the retention vessel, for feeding metal-organic gas generated in the retention vessel and dilution gas to a deposition chamber; a dilution gas feeding path connected to the metal-organic gas feeding path, for feeding the dilution gas to the metal-organic gas feeding path; a flow rate regulator provided in the bubbling gas feeding path, for regulating flow rate of the bubbling gas; a pressure regulator for regulating pressure of the dilution gas; and a sonic nozzle disposed in the metal-organic gas feeding path on a downstream side of a connecting position between the metal-organic gas feeding path and the dilution gas feeding path.

Abstract: A substrate inspection method allowing inspection of all a plurality of substrates each provided at its surface with a plurality of layers by determining quality of the plurality of layers as well as methods of manufacturing the substrate and an element using the substrate inspection method are provided. The substrate inspection method includes a step of preparing the substrate provided at its main surface with the plurality of layers, a film forming step, a local etching step, and an inspection step or a composition analysis step. In the step, a concavity is formed in a region provided with an epitaxial layer of the main surface of the substrate by removing at least partially the epitaxial layer. In the inspection step, the inspection is performed on the layer exposed in the concavity.

Abstract: A machine tool includes a tool spindle head for supporting a first side of a hob via an arbor, a turret, and a tool supporting unit including a movable section and a fixed section. The fixed section is fixedly mounted to the turret and slidably supporting the movable section. The movable section includes a support member for rotatably supporting a second side of the hob. The movable section further includes a first holding member holding the support member rotatably, second holding members holding the first holding member rotatably about an axis which extends perpendicularly to the rotation axis of the support member, and a slide member provided along the second holding members and fitted to a slide guide formed at the fixed section. When the tool supporting unit is positioned at a predetermined tool holding position, the movable section is capable of advancing and retreating in the Y-axis direction.

Abstract: An error diffusion processing circuit is provided which has a separator dividing digital pixel data of an object pixel into high bits and low bits, and making the low bits error data, multiplier circuits multiplying transmission error data of a plurality of adjacent pixels by adjacent pixel weighting coefficients, and outputting weighted transmission error data, a first adder circuit performing addition on the basis of the error data of the object pixel, and the weighted transmission error data of adjacent pixels, and outputting an added value and a carry value, a second adder circuit adding the high bit pixel data of the object pixel and the carry value, and outputting output pixel data, and a correction circuit correcting transmission error data of an adjacent pixel to the error data of the object pixel or data obtained by performing arithmetic processing of it when the transmission error data of the adjacent pixel is 0, and outputting it to the corresponding multiplier circuit.

Abstract: To provide a lathe in which a machined workpiece can be pulled out without fail, whereby realizing enhanced reliability in the pull-out operation. First and second tool posts 6, 7 are arranged to be capable of facing each other across a spindle axis A of a spindle headstock 4, and hold parts 30, 31 disposed on turrets 12, 13 of the first and second tool posts 6, 7 hold therebetween a machined workpiece W supported by the spindle headstock 4 to pull out the machined workpiece W from the spindle headstock 4.

Abstract: A self-aligning roller bearing is provided which includes an inner ring having a double-row raceway, an outer ring having a double-row integral and spherical raceway, a plurality of rollers incorporated between the inner ring raceway and the outer ring raceway on a double-row basis, and a retainer for rotatably retaining the rollers. Processing marks crossing each other are formed on a raceway surface of the spherical raceway of the outer ring. The processing marks are cut substantially straightly at a predetermined crossing angle to the circumferential direction of the raceway surface. The surface roughness of the raceway surface is substantially constant in the axial direction and the circumferential direction thereof at least in a part in contact with the roller.

Abstract: A display driving method drives a display to make a gradation display on a screen of the display depending on a length of a light emission time in each of sub fields forming 1 field, where 1 field is a time in which an image is displayed, N sub fields SF1 through SFN form 1 field, and each sub field includes an address display-time in which a wall charge is formed with respect to all pixels which are to emit light within the sub field and a sustain time which is equal to the light emission time and determines a luminance level. The display driving method includes the steps of setting the sustain times of each of the sub fields approximately constant within 1 field, and displaying image data on the display using N+1 gradation levels from a luminance level 0 to a luminance level N.

Abstract: A machine tool is provided with a base, a tool rest and a boring bar magazine. The tool rest is mounted on the base and retains a boring bar. The tool rest is moved in a first direction in parallel with an axis of the main spindle and in a second direction perpendicular to the first direction. The magazine is located opposite to a headstock and stocks the boring bars and swivels and indexes the boring bar. The tool rest is moved whereby the boring bars are changed by other ones between the tool rest and the magazine. Thus, the tool rest is moved in at least two directions so that the boring bars are changed between the tool rest and the magazine.

Abstract: In a display control apparatus which is supplied with an input synchronizing signal and an input video signal, and which generates display data from the input video signal on the basis of the input synchronizing signal, and supplies the display data to display means, when a change is detected in a cycle of the input synchronizing signal, the display means is supplied with display data of a frame prior to the occurrence of the change in the cycle, throughout a subsequent predetermined number of frame periods.

Abstract: A lathe includes a bed, a main spindle that holds one end side of a workpiece, a headstock that supports the main spindle such that its axis is horizontal and it can rotate about its axis, and that is disposed on the bed such that it can move in the main spindle axial direction, a rotational drive mechanism for rotating the main spindle about its axis, a tailstock fixedly disposed on the bed in opposition to the headstock, a tailstock spindle that is supported by the tailstock such that it is coaxial with the main spindle, and that supports the other end side of the workpiece, tool posts that hold tools and that are disposed on the bed such that they can move in the main spindle axial direction, and a feed mechanism for moving the headstock and the tool posts in the various directions.

Abstract: A lathe includes a bed, a main spindle, a headstock fixedly disposed on the bed that supports the main spindle such that its axis is horizontal and it can rotate about its axis, a tailstock disposed on the bed in opposition to the headstock, a tailstock spindle, supported by the tailstock such that it is coaxial with the main spindle, and tool posts for holding tools. The bed is formed in a shape that is rectangular when viewed from above, and the outer shape in the bed width direction is formed with left and right symmetry with respect to a predetermined vertical plane of symmetry, and the headstock and the tailstock are disposed on the bed upper face such that the axes of the main spindle and the tailstock spindle are included in the plane of symmetry.

Abstract: A method for driving a display apparatus has a predetermined plural number of light emission blocks in each field, and displays grayscale by combining the light emission blocks. A grayscale level addition/subtraction operation is performed, by computation, on a discontinuous grayscale in accordance with an input grayscale level or the grayscale level addition/subtraction operation is performed, on a discontinuous grayscale, in accordance with an input grayscale level, before applying error diffusion, for any brightness discontinuous portion occurring due to the combination of the light emission blocks.

Abstract: An electrode drive circuit performs interlaced scanning, ensuring that the phases of the sustaining pulse in odd-numbered lines and even-numbered lines among L1 to L8 between surface discharge electrodes are the reverse of each other. With this, when either odd-numbered lines or even-numbered lines are displayed, the voltages applied between the electrodes of the undisplayed lines are at 0, eliminating the necessity for partitioning walls on the surface discharge electrodes. In surface discharge electrodes, X electrodes are provided on the two sides of a Y electrode and the area between the Y electrode and the X electrode on one side is assigned a display line at an odd-numbered frame, and the area between the Y electrode and the X electrode on the other side is assigned a display line in an even-numbered frame.

Abstract: A display apparatus, that can prevent thermal destruction and burning with a simple structure, has been disclosed. In the apparatus it is judged that there is possibility of a pattern, whose area with high brightness is small, being displayed frequently, when a state in which the total light emission pulse number remains large occurs with high frequency, and if such a state is detected, the total light emission pulse number (sustain frequency) is reduced to prevent the thermal destruction and burning.

Abstract: Method for driving a plasma display panel. At least one first discharge sustaining pulse is applied to a first pair of display electrodes, and at least one second discharge sustaining pulse applied to an adjacent pair of display electrodes. The first and second discharge sustaining pulses are applied such that they are in the same phase as one another and/or such that a current in the first pair of display electrodes flows in the opposite direction from a current in the adjacent pair of display electrodes.

Abstract: A machine tool includes a tool spindle head for supporting a first side of a hob via an arbor, a turret, and a tool supporting unit including a movable section and a fixed section. The fixed section is fixedly mounted to the turret and slidably supporting the movable section. The movable section includes a support member for rotatably supporting a second side of the hob. The movable section further includes a first holding member holding the support member rotatably, second holding members holding the first holding member rotatably about an axis which extends perpendicularly to the rotation axis of the support member, and a slide member provided along the second holding members and fitted to a slide guide formed at the fixed section. When the tool supporting unit is positioned at a predetermined tool holding position, the movable section is capable of advancing and retreating in the Y-axis direction.

Abstract: The color reproduction correction circuit which corrects the color distortion caused when color signals using the first combination of the three primary colors are reproduced in a color display of the second combination of the different primary color sources has been disclosed, wherein: a provided color correction circuit generates the mixed color signal by multiplying the color signal in question by the specified coefficients and adding the mixed color signal to other color signals; the mixed colors in the second combination are used as primary color light sources in the second combination; the specified coefficients are determined so that these mixed color light sources are made close to the coordinates of the primary color light sources of the first combination; and the luminescent chromaticity values of the three primary colors are corrected so that the chromaticity values of the device match those specified by the signal system.