Abstract: A vehicle lighting fixture comprising a housing, an outer lens attached to the housing and forming a first space between the outer lens and the housing, and a lighting-fixture unit arranged in the first space, wherein the outer lens includes a light-transmitting part through which light emitted from the lighting-fixture unit passes and a recess arranged below the light-transmitting part, wherein the vehicle lighting fixture further comprising: a radar cover arranged in a state of covering the recess and forming a second space between the radar cover and the recess; a bracket arranged in the second space; a radar unit arranged in the second space in a state of detachably being fixed to the bracket; a first fixing part fixing one end of the bracket to the outer lens, and a second fixing part fixing the other end of the bracket to the housing.

Abstract: A vehicular lamp fitting includes: a structure including a lamp housing and an outer lens attached to the lamp housing and forming a first space between the outer lens and the lamp housing; a lamp unit disposed in the first space; and the outer lens includes a recess recessed toward the lamp housing; wherein the vehicular lamp fitting further comprises: a radar cover that is detachably fixed to the structure in a state of covering the recess, and forms a second space between the radar cover and the recess; a bracket including one end detachably fixed to the structure, its opposite other end detachably fixed to the structure, and a bracket body provided between the one end and the other end and disposed in the second space; and a radar unit disposed in the second space in a state of detachably being fixed to the bracket body.

Abstract: A vehicular lamp fitting and the like capable of preventing (or suppressing) vibrations of a radar unit (and as a result, capable of preventing the detection area of the radar unit from being significantly changed) are provided. A vehicular lamp fitting includes: a lamp housing; an outer lens attached to the lamp housing, the outer lens including a recessed part and forming a first space between the outer lens and the lamp housing; a lamp unit disposed in the first space; a radar cover disposed while covering the recessed part, and forming a second space between the radar cover and the recessed part; a bracket disposed in the second space; a radar unit detachably fixed to the bracket; and a first fixing part fixing one end of the bracket to the outer lens; and a second fixing part fixing the other end of the bracket to the lamp housing.

Abstract: A lamp device suppresses attenuation and reflection of a radar wave attributable to a light guide body, does not change an electromagnetic wave radiation pattern, and does not impair a radar function. The lamp device includes: a light guide body covering a part of an electromagnetic wave radiation surface of a radar device; and a light source, wherein, when the thickness of the light guide body is denoted by TG, and the wavelength of a radiated electromagnetic wave from the radar device in the light guide body is denoted by ?d, TG is set such that TG<?d/2 is satisfied when the reflection loss of the light guide body with respect to the radiated electromagnetic wave is below a transmission loss, and a reflection loss is ?10 dB or less when the reflection loss is equal to or more than a transmission loss.

Abstract: A lamp device includes: a lamp unit; a radar unit having an antenna; and a shielding member which covers at least a part of the front surface of the radar unit where the antenna is provided and which is made of a foamed resin.

Abstract: A domain A (10) including one or more boundary nodes (13) is provided with a VIF (13v) which is a virtual connection unit for virtual connection with an adjacent domain B (20), and the domain B (20) including one or more boundary nodes (21) is provided with a VIF (21v) which is a virtual connection unit for virtual connection with the domain A (10), in which the boundary node (13) notifies the VIF (21v) adjacent to the VIF (13v) of a VIF warning by receiving an internal warning in a format capable of being processed within the domain A (10), and converting the internal warning into the VIF warning which is a warning of the VIF (13v) capable of being processed in common between the domains, and the boundary node (21) transfers the internal warning to another node within the domain B (20) by converting the VIF warning of the VIF (21v) into an internal warning in a format capable of being processed within the domain B (20).

Abstract: A lamp device suppresses attenuation and reflection of a radar wave attributable to a light guide body, does not change an electromagnetic wave radiation pattern, and does not impair a radar function. The lamp device includes: a light guide body covering a part of an electromagnetic wave radiation surface of a radar device; and a light source, wherein, when the thickness of the light guide body is denoted by TG, and the wavelength of a radiated electromagnetic wave from the radar device in the light guide body is denoted by ?d, TG is set such that TG<?d/2 is satisfied when the reflection loss of the light guide body with respect to the radiated electromagnetic wave is below a transmission loss, and a reflection loss is ?10 dB or less when the reflection loss is equal to or more than a transmission loss.

Abstract: [Problem] A signal distortion generated when a multi-level modulated optical signal is transmitted through an optical transmission path where optical amplifiers are scattered is suppressed and transmission quality is improved. [Solution] An optical transmission system 20 includes Tx 21a to Tx 21n configured to transmit a multi-level modulated optical signal 32 to an optical fiber 25, optical amplifiers 26a to 26f configured to amplify the optical signal 32 transmitted through the optical fiber 25, the optical amplifiers 26a to 26f being scattered on the optical fiber 25, and Rx 24a to Rx 24n configured to receive the amplified optical signal 32 via the optical fiber 25.

Abstract: [Problem] Efficiently utilizing physical resources in a communication system that builds a virtual network based on various requirements. [Solution] A communication system (10) includes a Spine switch group (12) consisting of a plurality of Spine switches (102), a Leaf switch group (14) consisting of a plurality of Leaf switches (104), a plurality of servers (106) connected to any one of the plurality of Leaf switches (104), and a controller (110) configured to build a virtual network on the physical resources. At least one of the Spine switch group (12) and the Leaf switch group (14) is constituted by a mix of switch devices having different performance. The controller (110) selects physical resources to be used for building the virtual network based on the desired performance of the virtual network.

Abstract: [Problem] A signal distortion generated when a multi-level modulated optical signal is transmitted through an optical transmission path where optical amplifiers are scattered is suppressed and transmission quality is improved. [Solution] An optical transmission system 20 includes Tx 21a to Tx 21n configured to transmit a multi-level modulated optical signal 32 to an optical fiber 25, optical amplifiers 26a to 26f configured to amplify the optical signal 32 transmitted through the optical fiber 25, the optical amplifiers 26a to 26f being scattered on the optical fiber 25, and Rx 24a to Rx 24n configured to receive the amplified optical signal 32 via the optical fiber 25.

Abstract: A head-up display device includes: a first light source unit; a first liquid crystal panel that includes a first liquid crystal layer configured to transmit a light from the first light source unit, and a first polarizer; a reflective polarizer that is arranged on an optical axis of the first light source unit, and includes both a first face receiving the light transmitting the first liquid crystal panel and a second face on a side opposite to the first face; a second light source unit configured to emit a light towards the second face of the reflective polarizer; and a second liquid crystal panel that includes a second liquid crystal layer configured to transmit the light from the second light source unit, and a second polarizer.

Abstract: A head-up display device includes: a first light source unit; a first liquid crystal panel that includes a first liquid crystal layer configured to transmit a light from the first light source unit, and a first polarizer; a reflective polarizer that is arranged on an optical axis of the first light source unit, and includes both a first face receiving the light transmitting the first liquid crystal panel and a second face on a side opposite to the first face; a second light source unit configured to emit a light towards the second face of the reflective polarizer; and a second liquid crystal panel that includes a second liquid crystal layer configured to transmit the light from the second light source unit, and a second polarizer.

Abstract: A head-up display device includes: a light source; a liquid crystal display device that controls a transmittance of light from the light source and displays an image on a display member; an illuminance sensor that measures an environmental illuminance; and a control circuit that uses a measurement result of the illuminance sensor to control a brightness of the light source. The control circuit controls the brightness of the light source to prevent a border caused by a difference between a black brightness of a display area displayed on the display member by the liquid crystal display device and a black brightness of a background around the display area from being visually recognized.

Abstract: A liquid crystal display device for a head-up display device includes: a light source unit including a reflection film provided on a substrate, and a light-emitting element; a liquid crystal display element including a first polarizer provided on the light source unit side, and a second polarizer disposed to be opposed to the first polarizer via a liquid crystal layer; a retardation plate provided between the reflection film and the first polarizer, and imparting a retardation of ?/4 to light; a reflective polarizer provided between the retardation plate and the first polarizer, and reflecting a light component which is parallel to a reflection axis; and a diffusion member provided between the reflective polarizer and the first polarizer, and diffusing light.

Abstract: A liquid crystal display device for a head-up display device includes: a light source unit including a reflection film provided on a substrate, and a light-emitting element; a liquid crystal display element including a first polarizer provided on the light source unit side, and a second polarizer disposed to be opposed to the first polarizer via a liquid crystal layer; a retardation plate provided between the reflection film and the first polarizer, and imparting a retardation of ?/4 to light; a reflective polarizer provided between the retardation plate and the first polarizer, and reflecting a light component which is parallel to a reflection axis; and a diffusion member provided between the reflective polarizer and the first polarizer, and diffusing light.

Abstract: Contact openings extending to sacrificial layers located at different depths can be formed by sequentially exposing a greater number of openings in a mask layer by iterative alternation of trimming of a slimming layer over the mask layer and an anisotropic etch that recesses pre-existing contact openings by one level. In one embodiment, pairs of an electrically conductive via contact and electrically conductive electrodes can be simultaneously formed as integrated line and via structures. In another embodiment, encapsulated unfilled cavities can be formed in the contact openings by non-conformal deposition of a material layer, electrically conductive electrodes can be formed by replacement of portions of the sacrificial layers, and the electrically conductive via contacts can be subsequently formed on the electrically conductive electrodes. Electrically conductive via contacts extending to electrically conductive electrodes located at different level can be provided with self-aligned insulating liner.

Abstract: A liquid crystal lens includes a first liquid crystal cell, a second liquid crystal cell, and an intermediate layer sandwiched therebetween. The first liquid crystal cell includes a pair of a first transparent substrate and a second transparent substrate, a first liquid crystal layer, and a first electrode. The second liquid crystal cell includes a pair of a third transparent substrate and a fourth transparent substrate, a second liquid crystal layer aligned in a direction perpendicular to the first liquid crystal layer, and a second electrode. The intermediate layer includes a high dielectric constant layer and a third electrode including one or a plurality of opening portions.

Abstract: Contact openings extending to sacrificial layers located at different depths can be formed by sequentially exposing a greater number of openings in a mask layer by iterative alternation of trimming of a slimming layer over the mask layer and an anisotropic etch that recesses pre-existing contact openings by one level. In one embodiment, pairs of an electrically conductive via contact and electrically conductive electrodes can be simultaneously formed as integrated line and via structures. In another embodiment, encapsulated unfilled cavities can be formed in the contact openings by non-conformal deposition of a material layer, electrically conductive electrodes can be formed by replacement of portions of the sacrificial layers, and the electrically conductive via contacts can be subsequently formed on the electrically conductive electrodes. Electrically conductive via contacts extending to electrically conductive electrodes located at different level can be provided with self-aligned insulating liner.

Abstract: A liquid crystal lens includes a first liquid crystal cell, a second liquid crystal cell, and an intermediate layer sandwiched therebetween. The first liquid crystal cell includes a pair of a first transparent substrate and a second transparent substrate, a first liquid crystal layer, and a first electrode. The second liquid crystal cell includes a pair of a third transparent substrate and a fourth transparent substrate, a second liquid crystal layer aligned in a direction perpendicular to the first liquid crystal layer, and a second electrode. The intermediate layer includes a high dielectric constant layer and a third electrode including one or a plurality of opening portions.