Abstract: Provided is an optical laminate with excellent durability and an image display device formed of the optical laminate. The optical laminate includes a pressure sensitive adhesive layer 1, a specific laminate including a resin layer and a light absorption anisotropic layer which are adjacent to each other, and a pressure sensitive adhesive layer 2 in order, in which the light absorption anisotropic layer contains a dichroic substance, the pressure sensitive adhesive layer 1 is adjacent to the resin layer of the specific laminate, and a storage elastic modulus Ep of the pressure sensitive adhesive layer 1 and a storage elastic modulus Ea and a moist heat strain ?a of the resin layer satisfy Expression (1-1) ¼ (3 × Ep/Ea)? > ?a.

Abstract: Provided is an image recording method including applying an ink containing water, a resin X, and a colorant onto a resin base material A which has a specific distortion rate and to which a tension is applied, to obtain an image, heating the image to a temperature Td and drying the image, and cooling the image to a temperature Tr, in which ?total calculated by Equation (1) is 40 kgf/cm2 or less. E(Td) represents an elastic modulus of the resin X at the temperature Td, ?(Td) represents an expansion coefficient of the resin base material A under specific conditions, E(T) represents an elastic modulus of the resin X at a temperature T of the image in the cooling, ?r(T) represents a linear expansion coefficient of the resin X at the temperature T, and ?s(T) represents a linear expansion coefficient of the resin base material A under specific conditions.

Abstract: Provided is an image recording method including applying a pretreatment liquid containing water and a resin X and an ink containing water and a colorant onto a resin base material A which has a specific distortion rate and to which a tension is applied, to obtain an image, heating the image to a temperature Td and drying the image, and cooling the image to a temperature Tr, in which ?total calculated by Equation (1) is 40 kgf/cm2 or less. E(Td) represents an elastic modulus of the resin X at the temperature Td, ?(Td) represents an expansion coefficient of the resin base material A under specific conditions, E(T) represents an elastic modulus of the resin X at a temperature T of the image in the cooling, ?r(T) represents a linear expansion coefficient of the resin X at the temperature T, and ?s(T) represents a linear expansion coefficient of the resin base material A under specific conditions.

Abstract: An image projection device includes: a projection unit that projects an image light beam forming an image onto a pupil of an eyeball of a user to project the image onto a retina of the eyeball; a detection unit that detects a direction in which the pupil has moved relative to a face of the user and a speed of movement of the pupil; and a control unit that performs different controls of the image when the pupil has moved at different speeds in a same direction.

Abstract: An image projection device includes: a projection unit that irradiates a pupil 40 of an eyeball 36 of a user with an image light beam 34a forming an image to project the image onto a retina 38 of the eyeball; a detection unit that detects a direction 52 in which the pupil has moved relative to a face of the user; and a control unit that controls the projection unit based on a detected direction in which the pupil has moved so that the pupil is irradiated with the image light beam and the image is moved in a direction opposite to the direction in which the pupil has moved with respect to a position on which the image has been projected before a move of the pupil in a coordinate system visually recognized by the user.

Abstract: An image projection device includes: one light source unit emitting an image light beam, which forms an image, of visible light and a checking light beam of visible light; an optical system projecting the image light beam emitted from emitted from the one light source unit onto a first surface region of an eye of a user to project the image light beam onto a retina of the user, and projecting the checking light beam emitted from the one light source unit onto a second surface region, which is distant from the first surface region, of the eye of the user; a light detector detecting a reflected light that is the checking light beam reflected by the eye of the user; and a controller controlling at least one of the one light source unit and the optical stem based on a detection result of the reflected light by the light detector.

Abstract: A shield for a helmet includes a shield having a sun visor rotatably and axially supported at a position different from a rotation center of the shield. The sun visor rotates within a range from a first position where the sun visor, like a bill of a hat, lies above a front opening part and projects forward to a second position where the sun visor lies outside facing the shield in an overlapping manner, and the sun visor is retained in the first position. The sun visor is operated and moved forward and away from the shield to rotate from the first position to the second position.

Abstract: An image projection device includes: a projection unit that projects an image light beam forming an image onto a pupil of an eyeball of a user to project the image onto a retina of the eyeball; a detection unit that detects a direction in which the pupil has moved relative to a face of the user and a speed of movement of the pupil; and a control unit that performs different controls of the image when the pupil has moved at different speeds in a same direction.

Abstract: An image projection device includes: a projection unit that irradiates a pupil 40 of an eyeball 36 of a user with an image light beam 34a forming an image to project the image onto a retina 38 of the eyeball; a detection unit that detects a direction 52 in which the pupil has moved relative to a face of the user; and a control unit that controls the projection unit based on a detected direction in which the pupil has moved so that the pupil is irradiated with the image light beam and the image is moved in a direction opposite to the direction in which the pupil has moved with respect to a position on which the image has been projected before a move of the pupil in a coordinate system visually recognized by the user.

Abstract: An image projection device includes: one light source unit emitting an image light beam, which forms an image, of visible light and a checking light beam of visible light; an optical system projecting the image light beam emitted from the one light source unit onto a first surface region of an eye of a user to project the image light beam onto a retina of the user, and projecting the checking light beam emitted from the one light source unit onto a second surface region, which is distant from the first surface region, of the eye of the user; a light detector detecting a reflected light that is the checking light beam reflected by the eye of the user; and a controller controlling at least one of the one light source unit and the optical system based on a detection result of the reflected light by the light detector.

Abstract: The present invention addresses the problem of providing a polarizer maintaining an excellent degree of polarization and having high transmittance and excellent durability, and a polarizing plate and an image display device using the same. This polarizer has a polyvinyl alcohol-based resin and iodine included in the polyvinyl alcohol-based resin, in which the thickness of the polarizer is 2 to 20 ?m, the degree of orientation of the polyvinyl alcohol-based resin is 0.11 or more and 0.16 or less, the iodine content is more than 0.50 g/m2 and 1.0 g/m2 or less, and the product of the degree of orientation of the polyvinyl alcohol-based resin and the iodine content is 0.08 g/m2 or more and 0.11 g/m2 or less.

Abstract: A helmet for use by a driver of a vehicle or vessel includes a chin guard extending from side to side over the front open part of a helmet shell molded to an open-face shape, and supported about an axis passing through the right to left side of the helmet shell so as to swivel up and down, the chin guard including a surface layer member formed from a flexible material so as to be deformable by deflection into a shape conforming to different widths of different helmet shells, and a core member formed from a rigid material and mounted inside of the surface layer member to inhibit the surface layer member from deflection.

Abstract: A ventilation duct comprises a left duct part and a right duct part which are arranged respectively on the left and right of a shell, and a central duct part which is arranged between the left and right duct parts. The left and right duct parts are held by limiting the movement thereof in the front/rear direction and the left/right direction of the shell, and in a direction away from the shell, by engaging support members, which are set at the arrangement positions of the left and right duct parts on an outer surface of the shell, and by the central duct part.

Abstract: A ventilation duct comprises a left duct part and a right duct part which are arranged respectively on the left and right of a shell, and a central duct part which is arranged between the left and right duct parts. The left and right duct parts are held by limiting the movement thereof in the front/rear direction and the left/right direction of the shell, and in a direction away from the shell, by engaging support members, which are set at the arrangement positions of the left and right duct parts on an outer surface of the shell, and by the central duct part.

Abstract: A shield for a helmet includes a shield having a sun visor rotatably and axially supported at a position different from a rotation center of the shield. The sun visor rotates within a range from a first position where the sun visor, like a bill of a hat, lies above a front opening part and projects forward to a second position where the sun visor lies outside facing the shield in an overlapping manner, and the sun visor is retained in the first position. The sun visor is operated and moved forward and away from the shield to rotate from the first position to the second position.

Abstract: A shield support structure of a helmet, wherein a first guide part and a second guide part are provided to be arranged with a support mechanism extending from a shell to a shield, wherein the support mechanism is provided at a side part of a shell to rotatably support the shield in an open and close direction, and the support mechanism guides open and close operation achieved by rotation of the shield from a fully-closed state to a fully-opened state, wherein the first guide part includes an immovable guide part provided at the shell and a guide rail part provided at the shield so as to engage with the immovable guide part, and the second guide part includes a movable guide part provided at the shield and a support rail part provided at the shell to engage with the movable guide part.

Abstract: The object of the present invention is to prevent a microphone from misalignment or drop caused by wind and shake during driving, and careless touch on the MIC with a hand a shoulder. There is the mounting device mounting a microphone around the mouth of a wearer of an open-face helmet, the mounting device having deformation function for the wearer and formed with foamed synthetic resin materials generating repulsive resilience against deforming stress to cover from around the mouth to the left side part of a helmet shell configuring the outmost layer of the open-face helmet.

Abstract: The objects of the present invention are to improve the effectiveness in strength of a chin guard and to form the chin guard in a shape conforming to the size of a helmet shell in state of a full-face helmet. In order to achieve such objects, there is provided a chin guard configuring the outmost layer of a helmet, crossing from side to side over the front open part of a helmet shell molded to an open-face shape, and supported about an axis passing through the right to left side of the helmet shell so as to swivel up and down, chin guard including a surface layer member formed from a flexible material to be deformable by deflection in a shape conforming to a different size of the helmet shell and a core member formed from a rigid material and mounted inside of the surface layer member, wherein the core member inhibits the surface layer member from deflection to adjust the surface layer member in a shape conforming to the size of the helmet shell.

Abstract: A cheek pad for mounting on an inside of a helmet shell includes an attaching member and a cushion member, the attaching member including a base member mounted in contact with the shell and a form-maintaining member disposed at an inner lower section of the base member in a space provided with respect to the cushion member for simultaneously keeping a surface of the cushion member in a profile corresponding to the cheek and chin of a wearer when the helmet is worn by a wearer and, following displacement that causes the space to contract, is restored so as to return to an original location under normal circumstances, and kept there. Elastic members are positioned in the space between the base member and the form-maintaining member to help restore the space to an original configuration subsequent to contraction.

Abstract: A lens machining apparatus is provided that can execute everything required in machining eyeglass lenses, from measurement to various kinds of machining, and still ensures high-precision machining. The apparatus includes a lens holding unit 12 which holds a lens 1 and causes the same to turn, a cutter 131 which cuts (edges) the circumferential surface of the lens in a prescribed cross-sectional shape, an end mill 141 which machines a groove in the circumferential surface of the lens whose circumferential surface has been cut (edged) and chamfers edges at the lens circumferential surface, and a lens measurement unit 15 which measures the shape and the position of the lens held by the lens holding unit.