Abstract: A lighting arrangement includes a light source configured for emitting light; a first reflector configured for collimating a first portion of the light emitted by the light source around a main light emission direction (D); and a second reflector arranged opposite to the light source. The second reflector is configured for reflecting a second portion of the light emitted by the light source back towards the light source for being diffusely reflected from the light source.

Abstract: A combined aircraft navigation and anti-collision light, includes: at least one navigation light source and one anti-collision light source; a navigation light sensor, in operation outputting a light detection signal corresponding to an amount of light detected by the navigation light sensor; first and second optical systems, associated with navigation and collision light sources, wherein the first optical system is configured for shaping a navigation light output from light emitted by the at least one navigation light source and is configured for directing stray light from the at least one navigation light source to the navigation light sensor and a second optical system, associated with the at least one anti-collision light source and configured for shaping an anti-collision light output from light emitted by the at least one anti-collision light source; a lens cover, arranged over the light sources and optical systems for passing light therethrough.

Abstract: A circuit includes a primary light emitting diode (LED) string, a secondary LED string, a reference line, and primary and secondary transistors. The primary string includes a voltage drop, and a node disposed between two adjacent LEDs of the primary string. The secondary string is configured in parallel with the primary string. The secondary string has a voltage drop that is less than the primary voltage drop. The reference line is coupled to the node. The primary transistor includes a drain, a gate, and a source. The drain is coupled to a primary string output terminal. The gate is coupled to the reference line, and the source is coupled to a ground. The secondary transistor includes a drain, a gate, and a source. The drain is coupled to a secondary string output terminal. The gate is coupled to the reference line, and the source is coupled to the ground.

Abstract: A regulating assembly for a light source and a lighting and/or signaling device, an adjusting device, a lighting device and a motor vehicle, a bezel device, and a gas guiding device and a lighting and/or signaling device containing the same are provided in the present disclosure. The regulating assembly and the adjusting device are used to adjust the lighting and/or signaling module in the lighting device provided in the housing of the lighting device. The bezel device and the gas guiding device may be used for the lighting and/or signaling device. The regulating assembly comprises a supporting frame coupled in a displaceable manner to the light source, a fixed regulating portion which is rotatable, and horizontal and vertical regulating portions in a form of a ball-headed screw-thread part. The adjusting device includes an adjusting screw, a slider and a base; and the bezel device includes a top bezel having a flat plate-like body and a main bezel including a first bezel and a second bezel.

Abstract: A regulating assembly for a light source and a lighting and/or signaling device, an adjusting device, a lighting device and a motor vehicle, a bezel device, and a gas guiding device and a lighting and/or signaling device containing the same are provided in the present disclosure. The regulating assembly and the adjusting device are used to adjust the lighting and/or signaling module in the lighting device provided in the housing of the lighting device. The bezel device and the gas guiding device may be used for the lighting and/or signaling device. The regulating assembly comprises a supporting frame coupled in a displaceable manner to the light source, a fixed regulating portion which is rotatable, and horizontal and vertical regulating portions in a form of a ball-headed screw-thread part. The adjusting device includes an adjusting screw, a slider and a base, and the bezel device includes a top bezel having a flat plate-like body and a main bezel including a first bezel and a second bezel.

Abstract: An aircraft light for a foldable wing tip of an aircraft includes a first lighting structure, including at least one first light source and a first optical system, with the at least one first light source and the first optical system in operation generating a first light output; a second lighting structure, including at least one second light source and a second optical system, with the at least one second light source and the second optical system in operation generating a second light output; wherein the first light output and the second light output are of the same color and wherein the first light output and the second light output are angled with respect to each other; and wherein the aircraft light is configured to control the at least one first light source and the at least one second light source depending on a wing tip orientation signal, which is indicative of an orientation of the foldable wing tip.

Abstract: A monitoring circuit and a method for function monitoring is disclosed where the device includes the input being connected with a first subassembly that detects a frequency range of the status signal, with the first subassembly being connected with a second subassembly to implement a logical signal combination. The second subassembly is connected with a third subassembly generating a delayed output signal. The method compares a frequency fsw of the status signal with a lower first cutoff frequency f1 and an upper second cutoff frequency f2. When the frequency fsw of the status signal is located within the predetermined frequency range, the functional reliability signal is provided with a first voltage level, and when the frequency fsw of the status signal is located outside of the predetermined frequency range, the functional reliability signal is provided with a second voltage level that is different from the first voltage level.

Abstract: The disclosure describes an antimicrobial protection device using antibacterial and virucidal electromagnetic energy to provide protection. Electromagnetic energy may be supplied by light source(s) such as LED(s). Lighting apparatus may be configured to project electromagnetic energy in an energy barrier over an individual or portion thereof, such as the individual's airways and eyes. Light source(s) may be constructed or configured to emit electromagnetic energy in wavelengths at about 405 nm and/or between about 200 nm to about 220 nm. Lighting apparatus may be configured in a ring and may be mounted above the user's head such that the lighting apparatus projects a bactericidal and/or virucidal curtain of light around the user's head, killing or inactivating microbes before reaching the user's eyes, nose, or mouth. Apparatus of the present disclosure may be useful for medically fragile children (including those in wheelchairs), medically fragile people, and medical personnel in high-risk infectious areas.

Abstract: A multi-branched light guide device for a light assembly includes first, second, and third braches each adapted to internally transmit respective portions of a plurality of lights rays along respective directions. The branches each include a respective outer surface adapted to internally reflect the respective portions in the respective directions. A trunk of the device is connected to the branches, and is adapted to internally transmit the plurality of light rays against the outer surfaces of the branches.

Abstract: An aircraft beacon light includes a mounting plate having a central portion; a plurality of light sources arranged on the mounting plate around the central portion and facing away from the mounting plate; and a lens structure arranged over the plurality of light sources, wherein the lens structure is configured to reflect a first portion of light emitted by the plurality of light sources laterally outwards via total internal reflection; wherein the aircraft beacon light is configured to emit flashes of red light in operation.

Abstract: The light device comprises a housing (1) covered with a transparent or semi-transparent cover (2) that delimit an inner chamber (3) inside the housing (1), a light unit (5) situated in the chamber (3) and equipped with at least one light source, a cooler (4) associated with the light unit (5), and a tubular cooling conduit (7) that passes through an opening (10) in the housing (1) into the chamber (3) to supply cooling medium (8) from the cooling medium (8) source installed outside the housing (1) to the cooler (4) and comprises a drive means (74) for forced flow of the cooling medium (8) in the tubular cooling conduit (7). The tubular cooling conduit (7) is connected to the cooler (4) in such a way that the cooling medium (8) does not escape from the tubular cooling conduit (7) and cooler (4) to the surrounding space in the chamber (3).

Abstract: An aircraft light comprises at least one light source; at least one sensor, an operating mode selector, and a transmitter. The sensor is configured for detecting current operational conditions and providing at least one corresponding sensor signal. The operating mode selector configured for determining a suitable light emission of the at least one light source based on the at least one sensor signal. The operating mode selector is further configured for determining the amount of electrical power needed for generating the determined light emission. The transmitter configured for transmitting a power request signal indicating the determined amount of electrical power to a power supply.

Abstract: An image mapping player includes an image mapping module for creating a mapping relation between each pixel of an image of a video to be mapped and each pixel of an image to be displayed and displaying the image according to the mapping relation, a brightness adjustment module for adjusting the brightness of the displayed image brightness, a controller selection module for selecting a controller type, a channel selection module for selecting a channel; a RB reverse selection module for selecting a color component R and a color component B whether or not applicable for reversing the image, a white light setting module, for selecting a white light mod, and a port brightness adjustment module for adjusting the brightness of a selected port. The invention also discloses a pixel debugging method by using the image mapping player.

Abstract: A light assembly includes a substantially closed housing, a light source, a thermoelectric device, and a moisture expulsion device. The housing is defines a chamber, and includes a lens. The light source is adapted to direct light from the chamber and through the lens. The thermoelectric device includes a cold side and a hot side. The cold side is adapted to form condensation from moisture in the chamber. The moisture expulsion device includes a first segment in contact with the hot side and adapted to receive thermal heat from the hot side, and a second segment in contact with the first segment and exposed to an external environment for dissipation of moisture. The second segment is adapted to receive thermal heat from the first segment, and condensate from the cold side.

Abstract: A combined forward navigation and anti-collision light for an aircraft includes a forward navigation light source; a first lens, arranged over the forward navigation light source, with the forward navigation light source and the first lens in operation generating a forward navigation light output; an anti-collision light source; a second lens, arranged over the anti-collision light source, with the anti-collision light source and the second lens in operation generating an anti-collision light output; and a mounting structure, to which the forward navigation light source, the first lens, the anti-collision light source, and the second lens are mounted, wherein the mounting structure provides a common mounting plane, with the forward navigation light source and the anti-collision light source being arranged on the common mounting plane.

Abstract: An aircraft beacon light is provided for emitting flashes of red light into an environment around an aircraft. The aircraft beacon light includes a support plate having a central portion; a plurality of LEDs, arranged on the support plate around the central portion and facing away from the support plate; an annular light splitting element, having a proximate side arranged over and facing the plurality of LEDs, wherein the proximate side has reflective portions and transmissive portions; and at least one light conditioning element for redirecting light having passed through the transmissive portions of the proximate side of the annular light splitting element.

Abstract: The light device comprises an optical module (17), comprising a light source (5) and an associated optical body (8) of a transparent material to bind light rays (10) emitted by the source (5). The source (5) is a multidirectional light source configured to emit the primary light beam (6) of rays (10) towards the cover (1), and secondary beams (7) comprising rays (10) that are approximately transversal with respect to the rays (10) of the primary beam (6). The body (8) has a front surface (12) that forms a central front recess (18) in the body (8), a rear surface (14) that is opposite to the front surface (12) and is, in the direction from the optical axis (x) of the optical module (17), which passes through the source (5), inclined towards the cover (1), and a lateral surface (13) connecting the front surface (12) with the rear surface (14). The deepest point of the front recess (18) is situated approximately at the optical axis (x).

Abstract: An exterior aircraft light comprises at least one switchable illumination circuit. Each of the at least one switchable illumination circuits comprises at least one light source, a temperature detector configured for detecting the temperature of the at least one light source and providing a temperature signal, an electric switch for selectively switching power flow to the at least one light source on and off, and a control circuit which is coupled to the temperature detector and to the electric switch. The control circuit is configured for driving the electric switch based on the temperature signal provided by the temperature detector to repeatedly switch power flow to the at least one light source on and off.

Abstract: The present disclosure provides a night vision imaging system (NVIS) lighting system, comprising a frame comprising a first light source, a second light source adjacent to the first light source, a third light source adjacent to the second light source, and a diffuser mounted to the frame and encasing the first light source, the second light source, and the third light source. The first light source may comprise a first dominant wavelength, the second light source may comprise a second dominant wavelength different from the first dominant wavelength, and the third light source may comprise a third dominant wavelength different from the first dominant wavelength and the second dominant wavelength. Light emitted from the first light source, the second light source, and the third light source may be blended to generate a first blended light source comprising a first target output color.

Abstract: The light device comprises an internal chamber (2) that is covered by a translucent cover, which separates the light device from the external surroundings of the motor vehicle; inside the chamber, there is at least one lighting unit (3) whose active area (4) for the exit of light rays (10) from the lighting unit (3) is situated opposite the translucent cover and contains a light-conductive core (15) of an optically transparent material with an associated light unit (7) located opposite the entry area (9) of the light-conductive core (15) to emit light rays (10) into the body (14) of light-conductive core (15). Between the light-conductive core (15) and the translucent cover there is a functional layer (23) configured to focus the beams of light rays (10) that exit its surface averted from the light-conductive core (15) in a predetermined direction.