Abstract: A plurality of lighting units using light emitting diodes as light sources is accommodated in a lamp housing in such a state as to be supported on a common metallic support member provided tiltably. When a part or all of the lighting units are turned on, the light emitting diodes generate heat with a light emission. These light emitting diodes are supported on the common metallic support member. Also in the case in which any of the lighting units is turned on, therefore, the heat generated by the light emitting diodes is moved to the metallic support member having a large heat capacity through boards and light source support blocks by a heat conducting function. Consequently, a rise in the temperatures of the light emitting diodes can be suppressed.

Abstract: A vehicular headlamp used for a vehicle, includes an infrared light source for generating red light and infrared light, a visible light source for generating visible light whose wavelength is different from that of the red light, an optical system for emitting the red light and visible light towards a substantially same emission area in front of the vehicle and a lighting circuit for turning on the infrared light and visible light sources with the strength in order that the chromaticity in the emission area based on the red light and visible light can correspond to white light within a predetermined range in chromaticity coordinates.

Abstract: In energy absorbing structures in an entire train, a compression amount at an interface between cars at an end portion of a train is reduced and compression at an interface between cars at a center portion of the train is facilitated. In the structure, a plurality of cars (A1 to A12) are coupled to one another through couplers (B1 to B11), and energy absorbing structures (S12 to S42, S82 to S122) are provided between cars. An average compressive load corresponding to a value obtained by dividing an energy absorption amount of the energy absorbing structure by a maximum compression amount of the energy absorbing structures (S12 to S42, S82 to S122) is set smaller at an interface between cars at a center portion of the train than at an interface between cars on an outer side of the train (closer to an end portion).

Abstract: A side structure (21) included in a railroad car is provided with an window opening (22), and door openings (23, 24) formed on the longitudinally opposite sides of the window opening (22), respectively. The side structure (21) excluding parts corresponding to the window opening (22) and the door openings (23, 24) are divided into a plurality of sections. A first section (S1)1 extends vertically between the window opening (22) and the door opening (23), a second section (S12) extends vertically between the window opening (22) and the door opening (24), and a third section (S13) of a width substantially equal to that of the window opening (22) extends under the window opening (22). Each of the sections has a core (2) attached to the inner surface of an outer panel (1), and rim members (3) having a substantially Z-shaped cross section and surrounding the core (2). An inner panel (4) is attached to the core (2) and the rim members (3) so as to cover the inner surface of the core (2).

Abstract: An infrared light radiating lamp in which red light emitted from a front lens is diluted so as to become inconspicuous by emitting a small amount of visible light from a rim portion of a convex lens so that the lamp will not be mistaken for a tail lamp or a stop lamp and without causing glare. A vehicular infrared light radiating lamp is provided with a light source unit including a convex lens mounted via a lens holder forward of a reflector in which a light source is mounted. An infrared light transmitting film is provided on the rear surface of the convex lens. An infrared light transmitting film-free region is provided on the outer periphery of the infrared light transmitting film such that white visible light for diluting the red light emitted from the convex lens is emitted from the rim portion of the convex lens.

Abstract: An infrared light irradiation lamp comprises a lighting chamber S formed by a lamp body 12 and a front lens 14, a reflector 16 provided in the lamp body 12, a light source 20 provided ahead of the reflector 16 in the lighting chamber S, and a cylindrical globe 30 for infrared light formation which is provided to cover the light source 20 and serves to shield a visible light and to transmit only an infrared light, wherein diffusion steps 17 and 15 are provided in a peripheral region 16a of the light source in the reflector 16 and/or a region 14a in the front lens 14 corresponding to the peripheral region 16a of the light source in the reflector.

Abstract: An infrared irradiation lamp having a lamp housing S formed by a Lamp body 12 and a front lens 14, a reflector 16 provided in the lamp body 12, a bulb 20 inserted and attached into a bulb insertion attachment hole 13 of the reflector 16 and provided ahead of the reflector 16, and a cylindrical globe 30 for infrared light formation which is provided to cover the bulb 20 and serves to shield a visible light and to transmit only an infrared light, wherein a metallic bulb holder 60 having a radiation fin 68 extended to the back of the reflector 16 is provided between the bulb insertion attachment hole 13 and a mouth piece 21 of the bulb 20. Heat generated by turning on the bulb 20 is transferred to the bulb holder 60 and is radiated from the radiation fin 68 provided on the back of the reflector 16 to a space provided on the back of the reflector 16 so that the inside of the globe 30 is not filled with the heat.

Abstract: An infrared light irradiation lamp for an automobile comprises a lighting chamber S formed by a lamp body 12 and a front lens 14, a reflector 16 provided in the lamp body 12, a light source 20 provided ahead of the reflector 16, a cylindrical globe 30 for infrared light formation provided to cover the light source 20 and serving to shield a visible light and to transmit only an infrared light and a globe moving mechanism 70 for moving the globe 30, the globe moving mechanism 70 being capable of switching a lamp function into an infrared light irradiation configuration in which the globe 30 covers the light source and a visible light irradiation configuration in which the globe 30 is moved forward from the light source 20, wherein power regulating means is provided on a power supply path reaching the light source 20 and a power supplied from the light source at time of infrared light irradiation is regulated to be lower than a power supplied from the light source at time of visible light irradiation.

Abstract: An infrared radiating lamp which dilutes the red light emitted from the front lens of the lamp by causing a peripheral portion of the lens to emit white light or causing a small amount of white light to pass through a generally central portion of the lens so that the lamp will not be mistakenly recognized as a tail lamp or a stop lamp. The lamp includes a lamp body, a lens attached to a front opening portion of the lamp body and which cooperates with the lamp body to define a lamp chamber, a reflector provided at an inner side of the lamp body, a light source provided forward of the reflector, and an infrared transmitting film that reflects a visible light component and transmits an infrared component. A region having no infrared transmitting film is provided at an outer periphery of the infrared transmitting film.

Abstract: An infrared irradiation lamp comprises a lamp housing S formed by a lamp body 12 and a front lens 14, a reflector 16 provided in the lamp body 12, a bulb 20 inserted and attached into a bulb insertion attachment hole 13 of the reflector 16 and provided ahead of the reflector 16, and a cylindrical globe 30 for infrared light formation which is provided to cover the bulb 20 and serves to shield a visible light and to transmit only an infrared light, wherein a metallic bulb holder 60 having a radiation fin 68 extended to the back of the reflector 16 is provided between the bulb insertion attachment hole 13 and a mouth piece 21 of the bulb 20. Heat generated by turning on the bulb 20 is transferred to the bulb holder 60 and is radiated from the radiation fin 68 provided on the back of the reflector 16 to a space provided on the back of the reflector 16 so that the inside of the globe 30 is not filled with the heat.

Abstract: An infrared light irradiation lamp for an automobile comprises a lighting chamber S formed by a lamp body 12 and a front lens 14, a reflector 16 provided in the lamp body 12, a light source 20 provided ahead of the reflector 16, a cylindrical globe 30 for infrared light formation provided to cover the light source 20 and serving to shield a visible light and to transmit only an infrared light and a globe moving mechanism 70 for moving the globe 30, the globe moving mechanism 70 being capable of switching a lamp function into an infrared light irradiation configuration in which the globe 30 covers the light source and a visible light irradiation configuration in which the globe 30 is moved forward from the light source 20, wherein power regulating means is provided on a power supply path reaching the light source 20 and a power supplied from the light source at time of infrared light irradiation is regulated to be lower than a power supplied from the light source at time of visible light irradiation.

Abstract: An infrared light irradiation lamp comprises a lighting chamber S formed by a lamp body 12 and a front lens 14, a reflector 16 provided in the lamp body 12, a light source 20 provided ahead of the reflector 16 in the lighting chamber S, and a cylindrical globe 30 for infrared light formation which is provided to cover the light source 20 and serves to shield a visible light and to transmit only an infrared light, wherein diffusion steps 17 and 15 are provided in a peripheral region 16a of the light source in the reflector 16 and/or a region 14a in the front lens 14 corresponding to the peripheral region 16a of the light source in the reflector.