Abstract: The objective lens unit includes, a front lens group having a negative refractive power, a diaphragm, and a rear lens group having a positive refractive power, in order from an object side. The front lens group includes a negative lens having a concave surface facing an image surface side, and a positive lens having a convex surface facing the object side, and the rear lens group includes a positive lens having a convex surface facing the image surface side and a cemented lens in which a positive lens and a negative lens are cemented. The endoscope objective lens unit satisfies ?1.6<fF/fR<?1.2 and ?1.0 <SF5<?0.5. fF and fR are the focal lengths of the front lens group and the rear lens group, SF5 is (R51+R52)/(R51?R52), and R51 and R52 are respectively the curvature radiuses of surfaces.

Abstract: A display which thickness is allowed to be reduced is provided. A display includes: a display panel; and a back-face member having rigidity and provided on a back face of the display panel, the back-face member covering the back face, or the back face and other part of the display panel.

Abstract: Provided is a multilayer tube that has a layer containing an aliphatic polyamide (such as Polyamide 11 or Polyamide 12), a layer containing a Polyamide 6 composition or Polyamide 6/66/12 composition, a layer containing a saponified ethylene-vinyl acetate copolymer, and a layer containing a semi-aromatic polyamide composition that contains a semi-aromatic polyamide having a specific structure, and further has a fluorine-containing polymer in which a functional group having reactivity with an amino group is introduced into the molecular chain thereof.

Abstract: A display which thickness is allowed to be reduced is provided. A display includes: a display panel; and a back-face member having rigidity and provided on a back face of the display panel, the back-face member covering the back face, or the back face and other part of the display panel.

Abstract: An exhaust gas filter purifies exhaust gas containing particulate matter emitted from an engine. The filter has cell walls and cells surrounded by the cell walls. Through pores formed in the cell walls, adjacent cells are communicated. The cells have open cells opening along an axial direction of the filter, and plugged cells. An upstream end part of the plugged cell is plugged by a plug member. On a cross section perpendicular to the axial direction, a flow-passage sectional area of the plugged cells is larger than a flow-passage sectional area of the open cells. A total length of the filter is not less than a first standard value and is not more than a critical length Lm determined by respective predetermined equations.

Abstract: Noise caused by a gap between a rotor and a plate can be suppressed even when there are dimensional variations in members or assembly states. In a configuration of a stepping motor including front side and end side stator assemblies (200, 300), a rotor (400) provided with a rotor member (402) and a shaft (403) that are accommodated in the stator assemblies (200, 300), and a front plate (210) and an end plate (310) that are arranged on both sides of the stator assemblies (200, 300) in an axial direction, and are configured to couple the stator assemblies (200, 300), a projection (700) in an annular shape is provided on a surface of the front plate (210) facing the rotor member (402) to protrude toward the rotor member (402), a coil spring (800) that is interposed between the front plate (210) and the rotor member (402) is accommodated in the inner side of the projection (700), and the rotor (400) is urged toward the end plate (310) by the coil spring to be elastically pressed against the end plate (310).

Abstract: A hydrogen system includes: a generator which generates hydrogen-containing gas; a storage which stores the hydrogen-containing gas generated by the generator; a first gas passage which connects the generator and the storage; a housing which houses the generator, the storage and the first gas passage; a second gas passage in which the hydrogen-containing gas discharged from the first gas passage to an outside of the housing flows; a first valve provided to the second gas passage; a third gas passage in which the hydrogen-containing gas discharged from the storage to the outside of the housing flows; a second valve provided to the third gas passage; and a controller which opens at least one of the first valve and the second valve.

Abstract: A hydrogen system including: a hydrogen production apparatus that produces hydrogen; a hydrogen storage apparatus that stores produced hydrogen; a first flow path, wherein hydrogen discharged from the hydrogen production apparatus flows into the hydrogen storage apparatus through the first flow path; a second flow path, wherein hydrogen discharged from the hydrogen storage apparatus flows into a hydrogen-using apparatus through the second flow path; a casing that houses the hydrogen production apparatus, the hydrogen storage apparatus, the first flow path and at least part of the second flow path; a third flow path, wherein hydrogen discharged from at least one of the hydrogen production apparatus, the hydrogen storage apparatus, the first flow path and the at least part of the second flow path flows outside the casing through the third flow path; a first valve provided in the third flow path; and a controller that opens the first valve.

Abstract: A display which thickness is allowed to be reduced is provided. A display includes: a display panel; and a back-face member having rigidity and provided on a back face of the display panel, the back-face member covering the back face, or the back face and other part of the display panel.

Abstract: A display which thickness is allowed to be reduced is provided. A display includes: a display panel; and a back-face member having rigidity and provided on a back face of the display panel, the back-face member covering the back face, or the back face and other part of the display panel.

Abstract: A display which thickness is allowed to be reduced is provided. A display includes: a display panel; and a back-face member having rigidity and provided on a back face of the display panel, the back-face member covering the back face, or the back face and other part of the display panel.

Abstract: Provided is a display apparatus including a display panel for displaying an image, a heat source arranged at a side surface of at least one side of the display panel, a heat absorbing section for absorbing heat generated by the heat source, a back surface plate arranged at a back surface side of the display panel and made of a metal, a portion of the back surface plate being in c lose contact with the heat absorbing section, a front surface plate arranged at a front surface side of the display panel and made of a metal, and a middle chassis arranged between the front surface plate and the heat absorbing section.

Abstract: An endoscope magnification optical system includes, in order from an object side, a first lens group having a negative power, a second lens group having a positive power and a third lens group having a meniscus lens with a convex surface facing the object side. A distance from a lens surface of the first lens group that is nearest to the object side to an image surface is kept constant while the second lens group is moved in an optical axis direction with respect to the first lens group and the third lens group, which are fixed lens groups, and thereby an optical image is magnified.

Abstract: A light source optical system includes a light source, an optical system that collects light incident from the light source; and a light guide rod having a reflecting inner surface for guiding light received through an entrance port to an exit port by total internal reflection, the reflecting inner surface being gradually tapered, towards a light guide axis in the direction of the exit port, in one of an entire region defined from the entrance port to the exit port, and a region defined from a midway point between the entrance port and the exit port to the exit port.

Abstract: It is a purpose of the present invention to provide a wire electrical discharge machining system allowing a wire electrical discharge machining device and a robot to operate in conjunction with each other with high efficiency. A wire electrical discharge machining system 1 includes wire electrical discharge machining devices 7, 11, and 15, and a robot unit 17 that mounts a workpiece on the wire electrical discharge machining device. The wire electrical discharge machining devices 7, 11, and 15 may each perform either rough machining with supported cores or finishing machining after the cores are removed. Subsequently, core processing may be performed by means of a corresponding dedicated apparatus. Also, the core processing may be performed by means of a single common apparatus.

Abstract: Provided is a display apparatus including a display panel for displaying an image, a heat source arranged at a side surface of at least one side of the display panel, a heat absorbing section for absorbing heat generated by the heat source, a back surface plate arranged at a back surface side of the display panel and made of a metal, a portion of the back surface plate being in c lose contact with the heat absorbing section, a front surface plate arranged at a front surface side of the display panel and made of a metal, and a middle chassis arranged between the front surface plate and the heat absorbing section.

Abstract: A variable power optical system for an endoscope comprising a first lens group having a negative power, a second lens group having a positive power and a third lens group, and wherein the first lens group includes at least a negative lens having a concave surface pointing to an image side and a positive meniscus lens having a concave surface pointing to an object side, the second lens group includes at least a meniscus lens having a convex surface pointing to the object side and a cemented lens formed by cementing together a negative lens and a positive lens, and the third lens group includes at least a positive lens having a convex surface pointing to the object side, and wherein the variable power optical system for an endoscope is configured to satisfy a predetermined condition.

Abstract: An abnormality diagnosis device includes a partially-plugged filter, a pressure difference sensor, a PM sensor, a first estimation portion estimating a diagnosis amount of PM from the partially-plugged filter, according to a running condition of the internal combustion engine, a second estimation portion estimating the diagnosis amount of PM according to an output of the pressure difference sensor, a third estimation portion estimating the diagnosis amount of PM according to an output of the PM sensor, and an abnormality diagnosis portion distinctly determining an abnormality of the internal combustion engine, an abnormality of the partially-plugged filter, and an abnormality of the PM sensor by comparing the diagnosis amount of PM estimated by the first estimation portion, the diagnosis amount of PM estimated by the second estimation portion, and the diagnosis amount of PM estimated by the third estimation portion.

Abstract: A display includes: a display panel; a front-face member being provided on a front face of the display panel, and the front-face member covering a surrounding section, or the surrounding section and other part of the display panel; and a back-face member having rigidity and being provided on a back face of the display panel, the back-face member covering the back face, or the back face and other part of the display panel.

Abstract: An endoscope magnification optical system includes, in order starting from an object side, a first lens group having positive power, a second lens group having positive power, and a third lens group including at least a meniscus lens with a concave surface facing the object side and a positive lens, and the endoscope magnification optical system is configured to magnify an optical image by moving at least the second lens group in an optical axis direction with respect to the first lens group, which is a fixed lens group, while a distance from a lens surface located the closest to the object of the first lens group to an image plane is kept constant.