Abstract: A breathable, multi-layer exhaust insulation system is provided. The system includes a multi-layer sleeve, wherein the first layer, which is positioned adjacent the exhaust system pipes, is a braided sleeve which may be constructed from high-temperature resistant materials such as e-glass, s-glass, silica or ceramic. Additional braided layers of material may be included, as well. An outside cover of material is preferably a circular knitted fabric that contains glass fibers and resin-based fibers. The knitted fabric forms a tube on the outside of the insulating layers, and may be formed from a core spun yarn, which includes a glass filament core and a high-melt fiber on the wrap. Optionally, the system may also include a perforated or unperforated metal foil layer and/or a tape wrap, and the various components may be configured as desired.

Abstract: An assembly comprising a structure provided with an interior volume in which is present for example at least one fluid capable of circulating in said volume and under the action of circulation means. Thermally insulating elements of VIP construction are arranged around a layer containing a PCM and extending around the peripheral wall that surrounds the volume. Protrusions fixed to the peripheral wall delimited spaces in which the thermally insulating elements are positioned.

Abstract: A vacuum heat insulator includes core material (203), first member (201) having a box shape with opening (204), core material (203) being disposed in first member (201), and second member (202) that tightly closes opening (204). First member (201) includes first resin layer (21), second resin layer (22), and gas barrier layer (23), first resin layer (21) and second resin layer (22) being made of thermoplastic resin, gas barrier layer (23) being disposed between first resin layer (21) and second resin layer (22) and containing organic resin and scaly inorganic material. A content of the scaly inorganic material in gas barrier layer (23) is equal to or less than 14% by weight relative to a gross weight of gas barrier layer (23).

Abstract: The present application provides a dual-arm gimbal, including a support base, two support arms and two mounting bases. The support base is assembled on a gimbal base and a first motor is assembled in the support base; the two support arms are assembled on the support base and an upper end of each support arm is integrally connected to a first motor rotor of the first motor in the support base, so as to drive the support arm to rotate around the support base; and the two mounting bases are respectively fixedly mounted at lower ends of the support arms and a camera apparatus used to photographing is mounted between the two mounting bases by using a rotary shaft.

Abstract: Various embodiments of the present technology may comprise a method and apparatus for a space-saving suspension system. In various embodiments, the apparatus may comprise a fine suspension device, a coarse suspension device, and a mechanical assembly. In various embodiments, the fine suspension device is arranged at an angle greater than zero degrees from the z-axis. In various embodiments, the mechanical assembly is coupled to the fine suspension device and a payload, such that when a force is exerted on the mechanical assembly by the payload, an applied force is transmitted to the fine suspension device.

Abstract: An elevation device comprises: a carrier, including an upper vertical frame having the left side and the right side oppositely disposed with a pair of rail slots, wherein one inner wall in each of the rail slots is longitudinally formed with a positioning slot allowing a guide rail to be disposed and positioned; a support seat, including a seat plate having the rear end thereof vertically extended with a pair of wing pieces, wherein backsides of the pair of wing pieces are respectively and longitudinally pivoted with at least one roller, the circumference of each of the at least one roller is formed with a guide slot confining the guide rail, thereby enabling each of the at least one roller to be longitudinally slid along the guide rail; and a constant force spring, formed in a coiled status and connected between the upper vertical frame and the support seat.

Abstract: An elevation device comprises: a carrier, including an upper vertical frame having the left side and the right side oppositely disposed with a pair of rail slots, wherein one inner wall in each of the rail slots is longitudinally formed with a positioning slot allowing a guide rail to be disposed and positioned; a support seat, including a seat plate having the rear end thereof vertically extended with a pair of wing pieces, wherein backsides of the pair of wing pieces are respectively and longitudinally pivoted with at least one roller, the circumference of each of the at least one roller is formed with a guide slot confining the guide rail, thereby enabling each of the at least one roller to be longitudinally slid along the guide rail; and a constant force spring, formed in a coiled status and connected between the upper vertical frame and the support seat.

Abstract: A tripod with flexible legs with a mounting interface for a camera, mounting clip, or electronic device that is movable into a variety of positions. The mounting interface may move around a spherical mating surface and may also be moved to a position perpendicular to the main axis of the tripod. The legs may have ball and socket connectors with external gripping rings adapted to wrap around an object such as a pole.

Abstract: A configurable industrial safety relay device allows individual adjustment of rated input currents for each safety input. The safety relay device can support a number of programmable configuration settings or parameters, including parameters that allow a desired input current to be individually selected for each safety input. In this way, an input current can be selected for each safety input that is appropriate for the safety circuit being monitored by the safety input. In particular, an input current can be selected that ensures reliable detection of the safety signal by the safety input while substantially minimizing power consumption by the safety relay device.

Abstract: A high pressure tank includes: a resin liner for containing a fluid; a reinforced layer covering an outer surface of the liner; a cap including a supply/discharge hole to supply and discharge the fluid to and from the liner; a barrier layer; and an isolation wall member. The cap includes a cylindrical protrusion having the supply/discharge hole. The barrier layer covers an outer surface of the reinforced layer to block all or at least part of the fluid, and includes an opening to expose the protrusion. The isolation wall member forms a closed space accommodating the protrusion and the opening of the barrier layer.

Abstract: The present invention relates to a fuel tank arrangement of a marine vessel including a fuel tank for Liquefied Natural Gas, the fuel tank having a shell, a heat insulation in connection therewith, connections for a pipeline for bunkering LNG to the fuel tank, a pipeline for taking boil-off gas from the fuel tank and a pipeline for taking LNG from the fuel tank, and a deep well pump for pumping LNG from the tank to the pipeline, wherein at least one recess is extending inwardly from the shell and being arranged on top of the fuel tank, the deep well pump being installed in the at least one recess.

Abstract: An integrated cryogenic fluid delivery system includes a tank adapted to hold a supply of cryogenic liquid and having an end wall. A shroud is positioned on the end wall and contains a shell and tube heat exchanger. The heat exchanger includes a shell defining a warming fluid chamber and having a shell inlet and a shell outlet in fluid communication with the warming fluid chamber. A number of cryogenic fluid coils are positioned within the warming fluid chamber and are in fluid communication with a cryogenic fluid inlet port and a cryogenic fluid outlet port. A fuel shutoff valve has an inlet in fluid communication with a liquid side of the tank and an outlet in fluid communication with the cryogenic fluid inlet port of the heat exchanger. A manual vent valve has an inlet in fluid communication with a headspace of the tank and an outlet. The fuel shutoff valve and the manual vent valve each have a control knob that is accessible from the first or second side of the shroud.

Abstract: A high pressure tank includes: a resin liner for containing a fluid; and a cap including a supply/discharge hole. A cylindrical portion formed with the liner in a protruding manner is inserted in the supply/discharge hole. In a seal groove formed in an inner circumferential surface of the supply/discharge hole, a seal member and a back-up member disposed on an upstream side of the seal member in the supply direction are provided. A tapered groove surface of the seal groove facing toward the back-up member is apart from the outer circumferential surface of the cylindrical portion along the supply direction. A tapered member surface of the back-up member facing toward the tapered groove surface has a diameter expanding along the supply direction.

Abstract: A high pressure tank includes: a resin liner for containing a fluid; a reinforced layer covering an outer surface of the liner; and a cap including a supply/discharge hole for supplying and discharging the fluid to and from the liner. Gas vent passages formed in the cap each including at one end a first opening open toward the cap-facing surface of the liner and at the other end a second opening open toward at least one of an inside of the supply/discharge hole and an outside of the reinforced layer. A cross-sectional area of the gas vent passage at the one end perpendicular to a longitudinal direction and the first opening are smaller than other cross-sectional areas of the gas vent passage perpendicular to the longitudinal direction.

Abstract: A high pressure tank includes: a resin liner for containing a fluid; a reinforced layer covering an outer surface of the liner; a cap including a supply/discharge hole to supply and discharge the fluid to and from the liner; an isolation wall member; and a communication unit. The cap includes a cylindrical protrusion having the supply/discharge hole formed therein. An opening is formed in the reinforced layer to expose the protrusion. The isolation wall member encloses the protrusion and the opening, and forms a closed space. The communication unit communicates with the closed space.

Abstract: A vehicle including: a tank configured to be filled with fuel gas; a receptacle configured to be connected to a nozzle included in a fuel gas filling apparatus; a filling passage configured to provide communication between the receptacle and the tank; a heating unit configured to heat the receptacle; a determination unit configured to determine whether or not a parameter value, correlated with a filling speed of the fuel gas filled into the tank from the fuel gas filling apparatus, indicates decrease in the filling speed during filling of the fuel gas into the tank; and a control unit configured to, when the determination unit determines that the parameter value indicates decrease in the filling speed during filling of the fuel gas into the tank, to cause the heating unit to start heating of the receptacle during filling of the fuel gas into the tank.

Abstract: Disclosed herein is a downlight, which includes an optoelectronic module and a rim module. The optoelectronic module includes a light source driving board, a back housing, and a front housing. The light source driving board is disposed between the back housing and the front housing. The light source driving board includes a light-emitting diode unit and a driving circuit. The rim module has a central opening for accommodating the optoelectronic module. The rim module is not integrally formed with the optoelectronic module.

Abstract: Disclosed herein is a downlight, which includes an optoelectronic module and a rim module. The optoelectronic module includes a light source driving board, a back housing, and a front housing. The light source driving board is disposed between the back housing and the front housing. The light source driving board includes a light-emitting diode unit and a driving circuit. The rim module has a central opening for accommodating the optoelectronic module. The rim module includes a tubular wall and a fastener, in which the fastener is fixed on the tubular wall. The fastener has a first bent portion and a second bent portion, in which the first bent portion is configured to be fixed in the accommodation hole, and the second bent portion is fixed on the tubular wall of the downlight.

Abstract: A lighting device and corresponding method are described herein. In various aspects, the lighting device may be implemented as an electrically powered lighting device (e.g., a C5W lamp). The lighting device may include a first electrical supply contact and a second electrical supply contact. The lighting device may also include one or more light emitting diodes disposed between a first terminal and a second terminal, such that the light emitting diode(s) may be conductive from the first terminal towards the second terminal. The lighting device may further include a rectifier circuit that contains first and second rectifier branches being conductive from the first supply contact towards the first terminal and from the second terminal towards the second supply contact, respectively; and third and fourth rectifier branches being conductive from the second supply contact towards the first terminal and from the second terminal towards the first supply contact, respectively.

Abstract: The invention relates to a portable, skid mounted, wheeled and/or collapsible hybrid-power lighting and energy management system for harsh, remote and/or high latitude locations. The system combines an internal combustion engine (ICE) power source with a direct current power generator and a battery storage system for providing power to light system. The system may also include an ICE heating system and/or renewable solar and/or wind power systems in a manner that improves efficiency and reliability of operation in such locations, while preserving and improving functionality of operation and significantly reducing operator interaction during set-up and operation.

Abstract: A light source device includes a light source, a wavelength conversion member, and a retroreflective optical member. The light source emits excitation light. The wavelength conversion member includes a first region irradiated with the excitation light and radiates, from the first region, converted light having a wavelength different from that of the excitation light. The retroreflective optical member reflects the converted light toward the first region. The first region is a region that is a part of the wavelength conversion member.

Abstract: A light source module includes first LED elements that emit blue light, second LED elements that emit amber light, and a wavelength conversion member disposed in optical paths of the first LED elements and the second LED elements. The wavelength conversion member converts a portion of the blue light emitted by the first LED elements to yellow light, transmits a portion of the blue light emitted by the first LED elements, and substantially transmits the amber light emitted by the second LED elements.

Abstract: A light device including a light source driven to produce the emission of light rays, as well as a deflection element arranged facing the light source to deflect the emitted light rays, and a ray-forming optic for emitting a light beam out of the device. The light source is a semiconductor source, including at least one substrate and a plurality of light-emitting elements of submillimetric dimensions which extend from a first face of the substrate. The deflection element takes the form of an elliptical or pseudo-elliptical reflector, whose inner face forms a reflection face for the emitted light rays which is turned towards the first face of the substrate of the light source. Also, the forming optic is a divergent lens.

Abstract: A light device, notably for a motor vehicle including at least one laser light source emitting a laser light beam, a wavelength conversion material capable of converting one part of a laser light beam, diffusing another part of the laser light beam and combining the diffused and converted parts into a resultant primary light beam, a movable scanning means for scanning the laser light beam onto the wavelength conversion material, an optical means of projection of the primary light beam, an optical fiber arranged for receiving on an input face the laser light beam emitted by the laser light source and for directing the laser light beam toward the movable scanning means.

Abstract: A light emitting module includes an upper light emitting unit, a lower light emitting unit, an intermediate reflector provided between the upper light emitting unit and the lower light emitting unit, and a lens that projects images of the upper light emitting unit and the lower light emitting unit to a space in front of a vehicle. A plurality of semiconductor light emitting devices are provided such that a light emitting surface of each light emitting device faces the lens, and the intermediate reflector includes a reflecting surface that reflects a portion of light emitted from at least one of the upper light emitting unit and the lower light emitting unit toward the lens.

Abstract: Provided is a headlight device which appropriately controls emission of light from a headlight of a traveling vehicle. A headlight device includes an image capturing unit, a vanishing point calculation unit, a headlight, and an emission control unit. The image capturing unit captures an image in a traveling direction of a traveling vehicle. The vanishing point calculation unit calculates a position of a vanishing point in the image, on the basis of an image captured by the image capturing unit. The headlight emits light in a traveling direction of the vehicle. The emission control unit controls emission of light from the headlight on the basis of a position of a vanishing point calculated by the vanishing point calculation unit.

Abstract: A lighting device for vehicles, having a number of light sources (6) and reflectors (7) being arranged in the housing (1). Each light source (6) is assigned a single reflector (7) in order to deflect the light emitted by the light source (6) in a main emission direction (H) of the lighting device in accordance with a predefined light distribution. The reflector (7) has a reflector surface having a basic faun containing a multiplicity of panes (13, 14). The reflector (7) has a first reflector segment (10) containing a reflector surface having a first basic form in order to generate a first partial light distribution (T1) on the one hand, and a second reflector segment (11) containing a reflector surface having a second basic form in order to generate a second partial light distribution (T2) on the other hand.

Abstract: An embodiment of the present invention relates to a vehicle lamp structure for removing condensation on a lens part. In particular, provided is a vehicle lamp comprising: a lens part; a light source part separated from the lens part; a bezel part which is adjacent to the light source part and provides a separation space between the lens part and the light source part; and a thermoelectric circulation part which is disposed outside the bezel part and includes a thermoelectric module which comprises a plurality of thermoelectric semiconductor devices and is disposed between a first substrate and a second substrate which face each other, wherein the thermoelectric circulation part enables air, which has passed through a first heat conversion member on the thermoelectric module, to flow into the separation space.

Abstract: An optical module for a motor vehicle including a light source, a heat sink including a plate having a front face for supporting the light source, and including a rear face spiked with cooling fins, a device for producing an airflow. The heat sink includes at least one vent which passes through the plate of the heat sink in proximity to the light source in order to allow the airflow to circulate longitudinally between the front and the rear of the heat sink.

Abstract: Lighting module for an automotive vehicle, comprising: a printed circuit board; and heat dissipation means comprising at least one metallic sheet; the at least one metallic sheet is stuck on the printed circuit board and the at least one metallic sheet comprises at least a first portion and a second portion which are not coplanar with each other. And a method for producing a lighting module for an automotive vehicle, comprising: providing a printed circuit board; providing heat dissipation means comprising at least one metallic sheet; shaping the at least one metallic sheet into at least a first portion and a second portion which are not coplanar with each other; and sticking the at least one metallic sheet on the printed circuit board.

Abstract: A backlight apparatus for vehicle and a manufacturing method thereof are provided, in which the backlight apparatus for vehicle includes a case having an opening formed at a lower portion, a lens provided on a front side of the case, a circuit part seated on an inner lower portion of the case through the opening, and mounted with a light source for emitting light; a light guide plate mounted on an inner upper portion of the case through the opening to diffuse the light emitted from the light source and deliver the light to the lens, a reflective plate disposed behind the light guide plate through the opening to reflect light leaking to the back of the light guide plate, and a sealing part for sealing the opening with the circuit part seated therein.

Abstract: An external light emitting diode package for a vehicle, may include an LED chip; a lead frame which includes a substrate which includes conductive metal and to which one or more LED chips are bonded, and a lead pad which is distanced from the substrate and electrically connected to the LED chip; a mold which is formed on the lead frame and includes a dam that forms a cavity in a region of the substrate where the LED chip is bonded; and a lens which is bonded to the mold, such that the cavity is designed in the mold in an optimum state and the mold and the lens are tightly attached to each other, improving adhesive strength, and the substrate, which is coupled to a mold, includes conductive metal, improving thermal conductivity and surface roughness of the substrate.

Abstract: An apparatus, a lighting apparatus, and a vehicle with an interlocking joint are described. The interlocking joint includes a first part made of a first material including a plurality of grooves, and a second part molded over the plurality of the grooves of the first part creating a mechanical bond and a chemical bond between the first part and the second part.

Abstract: The present invention provides an LED plane light source lamp, which includes a bottom plate; four side plates set on four sides of the bottom plate, respectively; a plurality of circuit boards set on the bottom plate symmetrically and electrically connected to each other in parallel; a plurality of LEDs set on the bottom plate and arranged in an array; a power supply set on the bottom plate and providing electrical power to the LEDs; and a fogging film set opposite to the bottom plate on the side plates; wherein the fogging film scatters the lights of the LEDs to provides a uniform plane light source.

Abstract: A device for providing light including: a housing; an array of a plurality of LED lights mounted to the housing, wherein, when active, each LED emits a highest intensity beam of light along a primary axis and emits a lower intensity beam of light along a secondary axis; a lens mounted to the housing, the lens including an optic element corresponding to each of the plurality of LED lights, each optic element intersected by the primary axis of the corresponding LED light; and a translucent edge-light diffusing layer located between two or more of the plurality of LED lights, the edge diffusing layer is not intersected by the primary axis and is intersected by the secondary axis of the LED lights.

Abstract: An illuminating lens design method and an illuminating lens. The projections of the highest points of an outer surface and an inner cavity surface of the illuminating lens on the horizontal plane are overlapped, and a horizontal profile curve of the outer surface and the inner cavity surface of the illuminating lens obtained from an arbitrary height satisfies: ( | x i | a i ) n i + ( | y i | b i ) n i = 1 where ai is the projection length of a portion of an xz section basic profile curve, which is intercepted by an xiyi plane, on the xiyi plane; bi is the projection length of a portion of a yz basic profile curve, which is intercepted by the xiyi plane, on the xiyi plane; xi, yi are coordinates of certain point on the outer horizontal profile curve and the inner horizontal profile curve; ni is a real number greater than 1.

Abstract: A non-circular optic is described that includes a base region, the base region including a rim and an exit surface. The non-circular optic further includes a projection that projects from the base region, the projection including a cavity. The cavity includes an open end, a bottom surface, and first, second, third, and fourth sidewalls that extend from the open end to the bottom surface. A first, second, third, and fourth total internally reflective surfaces each extend from the open end of the cavity to the rim of the base region.

Abstract: A light-signaling system includes three lighting modules, each including two projectors fixed together. Each projector includes an elongated cylindrical lens defined by a horizontal generatrix direction, and a linear light source parallel to the generatrix direction, for emitting a luminous flux. The cylindrical lens is capable of generating and projecting a main flat light beam within a predefined azimuthal angular sector that is greater than 60°. The two projectors of the same lighting module are arranged such that the generatrix direction of the first projector and the generatrix direction of the second projector form an angle of 120° the bisectrix of which defines the main direction of the lighting module.

Abstract: Lighting system. Bowl reflector has rim defining horizon and aperture, first light-reflective surface defining cavity, first parabolic surface. Funnel reflector has flared funnel-shaped body: central axis; second light-reflective surface aligned along axis; second parabolic surface; tip located within cavity along axis; profile including parabolic curves converging towards tip. Optically-transparent body aligned with second light-reflective surface along axis; with: bases spaced apart by side surface; first base facing light source. Second parabolic surface has ring of focal points at first position within cavity, equidistant from second parabolic surface; ring encircles first point on axis. Second parabolic surface has axes of symmetry intersecting with and radiating in directions all around axis from second point. Axes of symmetry intersect with focal points. Second point on axis between first point and horizon.

Abstract: A light emitting device is provided that is generally configured to have a compact shape and a broad pattern of light emission. An example light emitting apparatus may include: a redirector disposed about an axis, the redirector having a first end and a second end, where the first end is narrower than the second end, the redirector defining a cavity between the first end and the second end; a power source at least partially disposed within the cavity defined by the redirector; and a light source disposed around the first end of the redirector about the axis, where the light source is powered by the power source and is configured to project light substantially parallel to the axis, toward the second end of the redirector. The redirector may include a frustoconical shape.

Abstract: A pumped fluorescent light source includes a parabolic mirror that is positioned to focus pumping light from one or more pump sources on a fluorescent body. The resulting assembly provides for heat collection from a back surface of the light source for both the fluorescent body and the pumping sources in a compact package that may be hermetically sealed. The parabolic mirror has reflective surfaces disposed outside of a collection area of an output beam of the light sources, so that the collection area is not obstructed by the parabolic mirror. The light source also includes a collecting lens for collecting the light emitted by the body. The parabolic mirror focuses the stimulus light on the fluorescent body to stimulate emission. An additional parabolic mirror may be included behind the fluorescent body to focus the fluorescent emissions that do not directly enter the collection area at a point of collection.

Abstract: In a device with replaceable optical filter, a base is provided with a slot and an opening, and middle of the slot has a light-transmitting portion, each of two opposite sides of an inner edge of the slot is provided with at least one protruding portion. An elastic light-filtering member includes an elastic frame body and an optical filter arranged within the elastic frame body and exposed to the light-transmitting portion to filter light. A front end of the elastic frame body is provided with two arc portions, the elastic frame body gradually narrows from its rear end to the front end. Each of two opposite sides of the elastic frame body is provided with one concave portion whose position corresponds to a position of the protruding portion. The present invention directly extracts the optical filter in the slot without repeatedly disassembling the light-controlling device.

Abstract: A method includes pressing a macromolecular material to form a successive reflective layer, heating the reflective layer to a preset temperature value, stirring luminous powder and fluorescent powder at a high speed so that the luminous powder and the fluorescent powder are mixed evenly to form a luminous blank, evenly painting the luminous blank on the reflective layer, drying the luminous blank at a predetermined temperature value to form a luminous layer, and cooling the reflective layer and the luminous layer to produce a substrate which has reflective and self-luminous features. Thus, the luminous layer of the substrate emits light in a dark environment by reflection of the reflective layer of the substrate.

Abstract: A light-permeable fixing component includes a fixed body and a receiving channel. The fixed body has a fixing portion disposed on around an outer surface thereof, and the fixing portion can be in the form of a thread, hook engagement bodies, snap-engagement bodies and a column body. The receiving channel is axially extended through a full length of the fixed body to form a light-in opening and a light-out opening at a tail end and a head end of the fixed body, respectively. Light beams emitted from a light source near the tail end can be transferred and guided by the receiving channel from the light-in opening to the light-out opening, so that the light-permeable fixing component is capable of guiding light, emitting light, glittering, decoration and indicating a constant depth.

Abstract: A light fixture includes a housing, an optic, and a wing. The housing is configured to house at least one light source of the light fixture. The wing extends from the side of the housing. In some embodiments, the housing and wing are monolithically formed as an integral unit. In other embodiments, the optic and wing are monolithically formed as an integral unit. According to further embodiments, the housing, optic, and wing are monolithically formed as an integral unit.

Abstract: The invention describes a lighting arrangement comprising a specific holder to carry an optical element above a LED lighting element and to a method for manufacturing the lighting arrangement. The holder comprises an optical sub-holder and a connecting sub-holder connecting the optical sub-holder with a support member, where the LED lighting element is arranged on. The optical sub-holder comprises at least one stress release element dividing the optical sub-holder in one or more outer parts connected to the connecting sub-holder and a main part carrying the optical element, where a mechanical connection between the main part and the one or more outer parts is weakened by the stress release element extending through the optical sub-holder to enable the one or more outer parts to deform freely in case of thermal stress while maintaining a main part position of the main part being closer to the desired position compared to an outer part position of the one or more outer parts.

Abstract: A light fixture which is configured to be embedded in a surface is provided. The light fixture includes a light source and a front panel located in front of the light source. A frame is in contact with a front panel surface of the front panel. A pressure mechanism is configured to press the front panel surface against the frame. A fixing piece is provided at a position opposite to the front panel. The fixing piece extends outward from the base surface side to fix the frame to an external structure. The pressure mechanism is retractable by a distance greater than a thickness of the front panel when a pushing force is applied to the front panel surface. The front panel is movable in a direction perpendicular to a retractable direction of the pressure mechanism when the pressure mechanism is retracted.

Abstract: A lamp housing inserted into an installation-opening has an outer surface and an inner surface, a slot going through the outer surface into the inner surface, and a locking device connected to the outer surface. The locking device has an elongated member with a protruding part. The protruding part has a bottom and top part with a pushing-surface and a contacting-surface. The elongated member pivots between a first and second position. In the first position, the bottom part is inside the slot, and the top part is inside the housing, whereby the contacting-surface and pushing-surface are inside the housing. In the second position, the bottom part is outside the slot, and the top part is partly inside the slot, whereby the contacting-surface contacts the outer surface and the pushing-surface is between the outer and inner surface, whereby the housing can be wedged in the installation-opening by the elongated member.

Abstract: An omnidirectional lighting stand includes a base structure, an extendible post structure, a pitch-rotation structure, and a light arm structure. The light arm structure is rotatably mounted to the pitch-rotation structure. The pitch-rotation structure is mounted to a top end of the extendible post structure. The extendible post structure has a lower end mounted to the base structure. The pitch-rotation structure is rotatably mounted to a rotation seat for adjustment of a pitch angle thereof in a range of 180 degrees and is selectively fixe din position by a handle bolt. The pitch-rotation structure has a front-rear through hole provided for adjustment of a lighting direction of the lighting device in an angular range of 360 degrees.

Abstract: A circuit board includes: an inductor and a control IC which are included in a switching power supply circuit; and a substrate having a first face, a second face on a reverse side of the first face, and an opening in a center portion of the substrate. The inductor is disposed on the first face, the control IC is disposed on the second face, and at least part of the inductor overlaps with at least part of the control IC when viewed from a direction perpendicular to the first face.