Abstract: A lighting device according to one embodiment includes a light guide member, at least one light source and a substrate on which the light source is mounted. The light guide member includes a first surface facing an outside of the lighting device, a second surface opposite to the first surface, and a side surface extending from an end of the first surface to an end of the second surface. The light guide member also includes a diffusion portion. The light source faces a side surface of the light guide member. The casing includes a thermal dissipation portion formed of a metal and extending along the second surface of the light guide member. The casing supports the substrate and is thermally connected to the light source.

Abstract: According to one embodiment, a lighting apparatus includes a board, a base, a globe, a housing, and a cap part. The board is provided with a light emitting element to emit light. The board is thermally connected to the base. The globe is provided on the base to cover the light emitting element. The globe includes a maximum diameter part in which an external diameter of the globe is maximum. The housing is thermally connected to the base. The housing includes a cylindrical radiator through which air flows. The cap part is attached to the housing. One end part of the radiator is located between the cap part and the maximum diameter part.

Abstract: A lighting unit according to one embodiment includes a board, a support member, and a plurality of heat radiation fins. A light emitting element is disposed on a first surface of the board. The support member has an interior surface on which a second surface of the board that is opposite to the first surface is disposed to be in contact therewith to enable heat conduction from the board to the support member. The heat radiation fins are disposed on an exterior surface of the support member substantially parallel with each other and with a clearance between each other, and each having a flat shape that extends outwardly from the exterior surface.

Abstract: An image processing apparatus according to an embodiment includes a processing circuitry. The processing circuitry is configured to obtain images in a time series including images of a blood vessel of a subject and correlation information indicating a correlational relationship between physical indices of the blood vessel and function indices of the blood vessel related to vascular hemodynamics, calculate blood vessel morphology indices in a time series indicating morphology of the blood vessel of the subject, on a basis of the images in the time series, and identify a function index of the blood vessel of the subject, by using a physical index of the blood vessel of the subject obtained from the blood vessel morphology indices, on a basis of the correlation information.

Abstract: According to one embodiment, an illuminating device comprises a base member including a first surface on which light-emitting elements are held, a second surface opposite to the first surface, and a through hole connecting the first surface and the second surface to each other, an optical lens arranged to be opposed to the light-emitting elements on the first surface side of the base member, and a heat dissipation member arranged in thermal contact with the base member on the second surface side of the base member. The optical lens includes a ventilation flue configured to introduce outside air into the through hole. The heat dissipation member comes into contact with the outside air to be introduced through the ventilation flue and the through hole to carry out heat exchange, thereby radiating heat generated from the light-emitting elements.

Abstract: A light guiding body that guides light includes, a light guiding portion, and an introducing portion including a plane of incidence and a curvature surface connected to the plane of incidence to guide the light to the light guiding portion by being connected to the light guiding portion, wherein an angle ?1 formed by a line segment connecting a first point on the plane of incidence and a second point on the curvature surface and a normal of the curvature surface at the second point satisfies ?1?sin?1(1/n), where n is an index of refraction of the light guiding body.

Abstract: A light guiding body includes, an introducing portion including a plane of incidence and a plane of reflection opposite to the plane of incidence, a diffusion portion including a first plane provided on a side of the plane of reflection and a second plane provided on the side of the plane of incidence and opposite to the first plane, a first point positioned on a border between the plane of reflection and the first plane, and a second point on the plane of incidence, wherein when a center of curvature of the first plane at the first point is a third point, an index of refraction of the light guiding body is n, the curvature of the first plane at the first point is K, and a distance between the second point and the third point is D, Formula (4) is satisfied.

Abstract: An LED lighting device of embodiment comprising an LED light source which generates an ultraviolet light or a visible light, an axisymmetric transparent member which is provided over the light source and which is transparent to visible light, and an axisymmetric light scattering member disposed in the transparent member apart from the light source. A distance of closest approach L2 between the light source and the light scattering member, and an area C of a light emitting surface of the light source satisfy the settled relation. A length L1 of the light scattering member, and an absorption coefficient ? (1/mm) of the light scattering member satisfy the settled relation. A diameter d1 of the bottom surface of the light scattering member, the distance of closest approach L2, and a refractive index n of the transparent member satisfy the settled relation.

Abstract: According to an embodiment, a three-dimensional modeling head includes a heat insulating member, a light emitter, a cylindrical member, and a light absorbing member. The heat insulating member has a sealed space therein with a curved wall surface that reflects light. The light emitter emits light and has at least a light emitting face provided in the sealed space. The cylindrical member is placed to extend through the heat insulating member via the sealed space and is long in a first direction in which thermoplastic resin is ejected. The light absorbing member adsorbs light and is provided in contact with at least part of the cylindrical member in the sealed space and in an area of the sealed space containing a focusing position on which at least part of light emitted by the light emitter and reflected by the wall surface is focused.

Abstract: A printing operation assisting device for assisting a printing operation performed by a solder printer configured to print a solder cream on a substrate surface, including: a measure determining portion configured to determine a remedial measure against a deterioration of a print quality specified on the basis of print-result information obtained from an inspecting machine configured to inspect a print result by the printer, in accordance with a kind of the print-quality deterioration; and a measure issuing portion configured to issue a command relating to the remedial measure determined by the measure determining portion to at least one of the printer and its operator, wherein the measure determining portion is configured to determine a remedial measure against a certain print-quality deterioration and to redetermine another remedial measure different from the previously determined remedial measure where the deteriorated print quality is not improved by execution of the previously determined measure.

Abstract: According to one embodiment, a lighting apparatus comprises a light source configured to generate heat, a transparent heat transfer member located near the light source and having transparency and heat conductivity, and a means for transferring heat from the light source to the transparent heat transfer member.

Abstract: A lighting device of an embodiment includes: a light-emitting element; an optical lens positioned on a positive direction side of an axis perpendicular to a light-emitting surface of the light-emitting element with a point of origin being set on a center of the light-emitting surface; a plurality of heat dissipation fins arranged on a negative direction side of the axis and around the axis that serves as a central axis, and arranged so as not to be present within a range of a 1/2 light distribution angle of light emitted from the optical lens in the positive direction, and being thermally connected to the light-emitting element; a cover housing the heat dissipation fins having at least one opening in each of the positive and negative direction sides; and a base member positioned along the axis and thermally connected to the light-emitting element and the heat dissipation fins.

Abstract: According to one embodiment, a lighting apparatus includes a light source which includes a light emitting surface, and a light guide provided to be coaxial with an axis which extends along a direction perpendicular to the light emitting surface. The light guide includes: an incident plane facing the light emitting surface; an outer circumferential surface configured to protrude in a direction extending away from the light source so as to surround the axis from an outer periphery of the incident surface and so as to totally reflect light from the light source which is made to enter the light guide from the incident surface; and a hollow part provided at a position distant in the axis direction from the incident surface. The hollow part includes a first light diffusing surface parallel to an axis along which the light totally reflected on the outer circumferential surface is led.

Abstract: A screen printing line with higher utility is provided. In a screen printing line including a plurality of screen printing machines and a plurality of shuttle conveyors each provided between any adjacent two of the plurality of screen printing machines, each of the screen printing machines includes: a main body; a front conveyor having a substrate support device; a rear conveyor configured to allow passage of a circuit substrate; a printing device configured to carry out screen printing on the circuit substrate supported by the substrate support device. Also, each of the plurality of shuttle conveyors includes a movable conveyor movable between a position continuous to the front conveyor and a position continuous to the rear conveyor.

Abstract: In one embodiment, a light emitting device includes: a light source which emits light; a light guide portion which has an emission surface which emits light and a back surface which opposes to the emission surface, and which has at the back surface a reflecting portion which the light emitted from the light source enters and which reflects the entering light toward the emission surface; a heat transfer portion which opposes to the back surface of the light guide portion and is provided with an interval which is a wavelength of the light or more being spaced from the back surface; and a support portion which is provided between the reflecting portion and the heat transfer portion, and which keeps the interval between the light guide portion and the heat transfer portion.

Abstract: In one embodiment, an illumination device includes a light-guiding unit having a light output surface which outputs light and a back surface facing the light output surface, wherein the light-guiding unit has a curved surface in a region of the back surface farther than a first position on the back surface that is away by a first distance from an axis passing the light output surface and the back surface, and a rough surface in a region of the light output surface farther than a second position on the light output surface that is away by a second distance from the axis in a same direction as a direction from the axis toward the first position, and where an intersection of the axis and the back surface is an origin point, and a direction of the axis from the back surface to the light output surface is positive, a normal line of the curved surface intersects with the axis at the positive side of the axis, and an angle formed by a normal line vector at the second position in a direction toward the light output s

Abstract: According to an embodiment, a heat exchanger is provided with a manifold, a heat exchange unit and a first porous body. The manifold has an inlet for a medium and an outlet for the medium. The heat exchange unit has a channel which communicates with the outlet. The first channel has a cross section of a typical length which is not more than a predetermined constant. The porous body is provided between the inlet and the outlet, and contains a plurality of pores with a mean diameter which is not more than the typical length.

Abstract: A lighting unit according to one embodiment includes a board, a support member, and a plurality of heat radiation fins. A light emitting element is disposed on a first surface of the board. The support member has an interior surface on which a second surface of the board that is opposite to the first surface is disposed to be in contact therewith to enable heat conduction from the board to the support member. The heat radiation fins are disposed on an exterior surface of the support member substantially parallel with each other and with a clearance between each other, and each having a flat shape that extends outwardly from the exterior surface.

Abstract: A lighting unit according to one embodiment includes a board, an insulating plate, an optical lens, and a positioning member. The board has a mounting surface on which a light emitting element is mounted. The insulating plate is disposed on the mounting surface of the board to control the reflection direction of light emitted from the light emitting element. The optical lens diverges or converges the light reflected by the insulating plate. The positioning member positions the insulating plate and the optical lens such that the insulating plate and the optical lens are located away from each other by a predetermined distance. A lighting device according to one embodiment includes a plurality of the lighting units fixed to the lighting device via a fixing frame.

Abstract: Utility of a circuit-substrate working machine including a substrate conveyor device and a shuttle conveyor designed to shift a circuit substrate in a direction intersecting a conveying direction is improved. Based on transmission of a deliverable-state advance notification signal for one of conveyor lanes of an upstream printer, a movable conveyor lane of an intermediate shuttle conveyor is moved to a position continuous to the one conveyor lane. The circuit substrate is delivered to the movable conveyor lane in a state in which the movable conveyor lane is located at a circuit-substrate receiving position, a receivable-state advance notification signal is produced for a receiving lane for receiving the circuit substrate supplied from one of conveyor lanes of a downstream printer which has transmitted a deliverable-state advance notification signal, and a receivable-state signal and a deliverable-state signal are obtained. The circuit substrate is then delivered to the receiving lane.