Abstract: The object is to propose an improved process for the production of a polyimide foam by which a large-sized polyimide foam in a state of fine and homogeneous cells can be readily obtained by easy operations and convenient steps. A melt-shaped body of a polyimide precursor obtainable by melt-treating in a closed state a powder of a polyimide precursor including at least an aromatic tetracarboxylic acid ester component and an aromatic amine component. A process for the production of a polyimide foam including the steps of melt-shaping in a closed state a powder of a polyimide precursor including at least aromatic tetracarboxylic acid ester component and an aromatic amine component to give a melt-shaped body of the polyimide precursor, and foaming the melt-shaped body of the polyimide precursor by a heat treatment.

Abstract: The work vehicle includes a braking device, a lubricant feeding section, and a controlling section. The controlling section configured to execute a first control in which an amount of the lubricant fed to the braking device is controlled based on a temperature of a rotating member of the braking device. The controlling section sets the amount of the lubricant to a predetermined first feed amount when the braking device is in a braking state, calculates the temperature of the rotating member, and makes a decision in the first control, based on the calculated temperature of the rotating member, to change the amount of the lubricant from the first feed amount to a second feed amount, which is smaller than the first feed amount, when the braking device is switched from the braking state to a non-braking state.

Abstract: A camera-attached lens device includes a lens barrel, a mount ring, pins, through holes, a positioning ring, and a fixing member. The lens barrel holds a lens system. The mount ring, attached to the lens barrel, has a tubular fitted portion coupling with the camera and a flange portion around the fitted portion. The pins are on the lens barrel and position a central axis of the mount ring with respect to an optical axis. The through holes are on the flange portion. The positioning ring outer diameter is smaller than a hole diameter of the through holes and has an opening where the pins are fitted. The fixing member fixes the positioning ring inside the through holes. The pins are restricted by the opening of the positioning ring fixed by the fixing member when the mount ring is positioned, positioning the lens barrel with respect to the mount ring.

Abstract: Disclosed herein is a surface treatment machine that enables the inhibition or reduction of residual abrasives that remain on a workpiece that has been surface treated. An H steel (a workpiece to be treated) 12 is conveyed by means of a conveying device 20. Blasting devices 24A, 24B are then projected abrasives on to the conveying H steel such that it is surface treated. In the downstream of the blasting devices 24A, 24B along the conveying direction, a blowing port 30A of an air blower 30 is located above a conveying path to blow gas to the upper surface 112A of the H steel 12 such that the abrasives on the H steel 12 are blown off and removed therefrom.

Abstract: A ripper operating device is configured to perform operations of a ripper of a work vehicle. The ripper operating device includes a support portion, an operating lever, and an operating switch part. The operating lever is supported by the support portion to be movable with respect to the support portion in a first direction to perform a first operation and non-movable in a second direction. The first direction intersects a front-and-rear direction at an intersection point corresponding to a neutral position of the operating lever to form an acute angle with the front-and-rear direction on a rearward-outward side of the intersection point. The second direction is substantially perpendicular to the first direction and substantially matches with a direction in which a forearm of an operator extends when operating the ripper. The operating switch part is arranged on the operating lever to perform a second operation other than the first operation.

Abstract: In a memory/logic conjugate system, a plurality of cluster memory chips each including a plurality of cluster memories (20) including basic cells (10) arranged in a cluster, the basic cell including a memory circuit, and a controller chip that controls the plurality of cluster memories are three-dimensionally stacked, the plurality of cluster memories located along the stacking direction of the plurality of cluster memory chips and the controller chip are electrically coupled to the controller chip via a multibus (11) including a through-via, an arbitrary one of the basic cells is directly accessed through the multibus from the controller chip so that truth value data is written therein, and whereby the arbitrary basic cell is switched to a logic circuit as conjugate.

Abstract: A hydraulic device has a first pump, a second pump, an operating state detector configured and arranged to detect an operating state, a connection switching unit configured and arranged to selectively connect the second pump to either a first hydraulic oil line or a second hydraulic oil line, and a switching controller configured to control, based on the operating state detected by the operating state detector, a switching operation of the connection switching unit. The switching controller is further configured to inhibit the switching operation of the connection of the second pump when the detected operating state is such that at least one of clutches of a multi-stage transmission and a steering device is in a state transition or at least one brake of the steering device is being operated.

Abstract: A bandwidth bottleneck occurs because a crossbar switch is used to cope with an increase in scale. A memory/logic conjugate system according to the present invention, a plurality of cluster memory chips each including a plurality of cluster memories 20 including basic cells 10 arranged in a cluster, the basic cell 10 including a memory circuit, and a controller chip that controls the plurality of cluster memories are three-dimensionally stacked, the plurality of cluster memories 20 located along the stacking direction of the plurality of cluster memory chips and the controller chip are electrically coupled to the controller chip via a multibus 11 including a through-via, an arbitrary one of the basic cells 10 is directly accessed through the multibus 11 from the controller chip so that truth value data is written therein, and whereby the arbitrary basic cell 10 is switched to a logic circuit as conjugate.

Abstract: A pull-up circuit prevents generation of a leak current if a difference of potentials occurs between a power source voltage of a pull-up circuit (a bus-hold circuit) and an input terminal. A control terminal is provided in the bus-hold circuit. Inputs of the input terminal and the control terminal are input to a NOR gate, and an output of the NOR gate is input to a gate terminal of a first MOSFET that controls coupling between an input terminal and the power source voltage of the bus-hold circuit. A second MOSFET (“control” MOSFET) is provided as a switch that operates by an inverted output of the control terminal. By coupling the first MOSFET and the control MOSFET in series, the coupling between the input terminal and the power source voltage is controlled with a higher precision, thereby preventing generation of a leak current.

Abstract: A pull-up circuit prevents generation of a leak current if a difference of potentials occurs between a power source voltage of a pull-up circuit (a bus-hold circuit) and an input terminal. A control terminal is provided in the bus-hold circuit. Inputs of the input terminal and the control terminal are input to a NOR gate, and an output of the NOR gate is input to a gate terminal of a first MOSFET that controls coupling between an input terminal and the power source voltage of the bus-hold circuit. A second MOSFET (“control” MOSFET) is provided as a switch that operates by an inverted output of the control terminal. By coupling the first MOSFET and the control MOSFET in series, the coupling between the input terminal and the power source voltage is controlled with a higher precision, thereby preventing generation of a leak current.

Abstract: The present invention provides a display medium which prevents a decrease in reflectance during storage at high temperatures, and a writing apparatus using the display medium. A photoconductive layer 24, a selective light transmission layer 22, and a liquid crystal layer 20 are laminated between substrates 12 and 14, which have electrodes 16 and 18, respectively, to form a display medium 10. The selective light transmission layer 22 as a color layer is composed of a deionized material. The ion concentration of the selective light transmission layer 22 is controlled to be within a predetermined range.

Abstract: A camera-attached lens device includes a lens barrel, a mount ring, pins, through holes, a positioning ring, and a fixing member. The lens barrel holds a lens system. The mount ring, attached to the lens barrel, has a tubular fitted portion coupling with the camera and a flange portion around the fitted portion. The pins are on the lens barrel and position a central axis of the mount ring with respect to an optical axis. The through holes are on the flange portion. The positioning ring outer diameter is smaller than a hole diameter of the through holes and has an opening where the pins are fitted. The fixing member fixes the positioning ring inside the through holes. The pins are restricted by the opening of the positioning ring fixed by the fixing member when the mount ring is positioned, positioning the lens barrel with respect to the mount ring.

Abstract: A tank 16 and a main hydraulic pump 17 are connected to head side actuator chambers 13 and rod side actuator chambers 14 of hydraulic actuators 12 via conduits 21, 22. A direction control valve 18 and a quick drop valve 36 are connected to the conduits 21, 22. A hydraulic circuit is provided with an electromagnetic switch valve 42, which switches the quick drop valve 36 from a non-quick drop position 37 to a quick drop position 38. When switching the direction control valve 18 from a neutral position 23 to a lowering operation position 25, if the manipulation speed of a manipulation lever 33 exceeds a criteria speed, an excitation signal is output from a control device 32 to an electromagnetic switch valve 42 to quickly drop a blade 11, and the quick drop valve 36 is switched from the non-quick drop position 37 to the quick drop position 38.

Abstract: There is a problem that a bandwidth bottleneck occurs because a crossbar switch is used to cope with an increase in scale. In an example of a memory/logic conjugate system according to the present invention, a plurality of cluster memory chips each including a plurality of cluster memories 20 including basic cells 10 arranged in a cluster, the basic cell 10 including a memory circuit, and a controller chip that controls the plurality of cluster memories are three-dimensionally stacked, the plurality of cluster memories 20 located along the stacking direction of the plurality of cluster memory chips and the controller chip are electrically coupled to the controller chip via a multibus 11 including a through-via, an arbitrary one of the basic cells 10 is directly accessed through the multibus 11 from the controller chip so that truth value data is written therein, and whereby the arbitrary basic cell 10 is switched to a logic circuit as conjugate.

Abstract: A control device controls a hydrostatic transmission vehicle having a hydrostatic transmission with a variable displacement pump and a variable displacement hydraulic motor. The control device is configured to set a set vehicle speed based on a forward/rearward travel command and a gear stage command instructed by an operator, to set an upper limit of the engine speed with respect to the set vehicle speed for limiting the upper limit of the engine speed to a predetermined partial engine speed set to be lower than a high idle engine speed when the set vehicle speed is in a preliminarily set low and intermediate speed range, and to control respective displacements of the variable displacement pump and the variable displacement hydraulic motor based on the set vehicle speed for allowing a vehicle speed to reach the set vehicle speed even when the engine is rotated at the partial engine speed.

Abstract: A control device controls a hydrostatic transmission vehicle having a hydrostatic transmission including a variable displacement pump and a variable displacement hydraulic motor. The control device is configured to set a set vehicle speed based on a forward/rearward travel command and a gear stage command instructed by an operator, to set a torque limit usable for the hydrostatic transmission based on an engine speed, to set a vehicle speed limit based on a pressure in the hydraulic circuit and the torque limit, to select a lower one of the set vehicle speed and the vehicle speed limit, and to control respective displacements of the variable displacement pump and the variable displacement hydraulic motor based on the selected vehicle speed.

Abstract: A display medium including: a pair of substrates; a pair of electrodes disposed on the pair of substrates, and facing each other; and a functional layer and a display layer disposed between the pair of electrodes with an adhesive layer disposed between the functional layer and the display layer. The display layer includes a binder and microcapsules dispersed in the binder. The microcapsules have a polymer serving as a wall material, and a liquid crystal enclosed therein. A shape of an interface of the display layer at least on the side of the adhesive layer in a cross section along a thickness direction of the disposed layers is an irregular line having a distance between a highest protruding portion and a lowest depressed portion is from about 0.5 ?m to about 2.0 ?m.

Abstract: A device for a work vehicle eliminates uncomfortable operation feeling, improves the working efficiency, and reduces thermal load on a clutch and transmission shock. It is determined whether the current travel direction of the vehicle body is a forward travel direction F or a reverse travel direction R based clutch oil pressure of the forward clutch or reverse clutch. Braking force of a brake device is controlled such that the brake device is activated on the conditions that the travel direction position selected by the travel operation lever and the travel direction determined by a travel direction flag are opposite to each other, and the detected vehicle body speed is equal to or greater than a predetermined threshold value.

Abstract: A pull-up circuit prevents generation of a leak current if a difference of potentials occurs between a power source voltage of a pull-up circuit (a bus-hold circuit) and an input terminal. A control terminal is provided in the bus-hold circuit. Inputs of the input terminal and the control terminal are input to a NOR gate, and an output of the NOR gate is input to a gate terminal of a first MOSFET that controls coupling between an input terminal and the power source voltage of the bus-hold circuit. A second MOSFET (“control” MOSFET) is provided as a switch that operates by an inverted output of the control terminal. By coupling the first MOSFET and the control MOSFET in series, the coupling between the input terminal and the power source voltage is controlled with a higher precision, thereby preventing generation of a leak current.

Abstract: An engine output control system is for a work vehicle composed of an engine, a travel device and a power transmission unit, the power transmission unit including a torque converter and transmitting an output of the engine to the travel device via the torque converter. The engine output control system includes a speed ratio computation portion and an engine output reduction control portion. The speed ratio computation portion is configured and arranged to compute a speed ratio of the torque converter. The engine output reduction control portion is configured and arranged to reduce an output torque of the engine without changing a target speed of the engine when the computed speed ratio is equal to or less than a speed ratio threshold set in advance. The speed ratio threshold is a speed ratio at which a torque ratio of the torque converter is greater than a torque ratio corresponding to a maximum efficiency.