Abstract: The present invention relates to a composition for generating oxygen, comprising at least one oxygen source selected from chlorates and perchlorates, to an oxygen generator comprising such a composition, and a method for generating oxygen by decomposing such a composition. The present invention further relates to the use of zeolite compounds as multifunctional components in the oxygen generating compositions.

Abstract: An exterior airplane light unit includes a housing and a lens cover, the housing and the lens cover being shaped to embed the exterior airplane light unit into a side portion of a fuselage of an airplane in front of a wing root section of the airplane, with the lens cover blending into the side portion of the fuselage of the airplane, and at least one light source and at least one optical system, with the at least one light source and the at least one optical system being arranged between the housing and the lens cover and being arranged to direct a warning light output towards an engine of the airplane.

Abstract: A dynamic exterior aircraft light unit, mounted to an aircraft for illuminating an aircraft environment, includes an LED group with a plurality of LEDs, and an optical system with at least one optical element. The optical system being associated with the LED group for shaping an output light intensity distribution from the light emitted by the LED group and the LED group and the optical system are stationary within the dynamic exterior aircraft light unit.

Abstract: A lighting device includes a housing, the housing comprising an opening. The lighting device also comprises a lens operably disposed in the opening, the lens having an outer viewable face and an opposed inner face, the lens comprising an integrally formed axially-extending light guide, the light guide comprising a light inlet end, a light outlet comprising a portion of the outer viewable face, and a light transmission portion, the light transmission portion comprising a light reflecting structure disposed on the inner face. The lighting device also includes a light source, the light guide configured to receive light rays from the light source into the light inlet end, transmit the rays via internal reflectance along light transmission portion to the light reflecting structures where they are reflected outwardly away from the lighting device in a principal direction through the outer viewable face.

Abstract: A dual mode light assembly for a forward position light of an aircraft includes a base, a visible light source mounted to the base that is configured to emit visible light, a covert light source mounted to the base that is configured to emit covert light, and a light shield mounted to the base. The light shield is configured to restrict transmission of the visible light to a visible light pattern and to restrict transmission of the covert light to a covert light pattern.

Abstract: The light device contains first and second rows of light sources wherein rows are arranged next to each other, collimating elements associated with the light sources to convert their generated light to collimated light, and a light guide to bind the collimated light and emit it from the light guide output surface. Between the collimating element output and the light guide output surface, an optical means is arranged to divide the collimated light to at least two individual, spatially separated light beams, wherein the first light beam is formed by part of the collimated light passing by the optical means, and the second light beam is produced by passing another part of the collimated light through a refractive surface of the optical means. The first and second light beams are displayed on the output surface in the form of separate bands, namely the first and second band (A, B).

Abstract: A light guide device is for a lighting apparatus of a motor vehicle. The light guide device includes: a light incident end to receive an incident light, the light incident end having at least one light incident face and each light incident face has a first edge and a second edge that are displaced from each other in a direction along an axis of the light guide device. The light guide device can improve the uniformity and efficiency of incident light coupling of the light guide device.

Abstract: A dimmable LED light unit, in particular for a passenger transportation vehicle, such as an aircraft, a road vehicle, a ship or a rail car, is disclosed that comprises a power input adapted to receive electrical power from a power source, at least one LED, and an LED drive and control module coupled between the power input and the at least one LED, wherein the LED drive and control module is adapted to receive an LED control signal indicative of a desired light intensity of the dimmable LED light unit.

Abstract: The light device, especially a signal lamp, for motor vehicles comprises a carrier housing covered by a cover with a front light output surface, a lighting unit positioned within the carrier housing to emit light rays towards the light output surface, and a semi-permeable layer situated between the light output surface and the lighting unit. The device further comprises a partly transparent primary planar optical element positioned between the output light surface and the lighting unit, and a secondary planar optical element positioned between the primary planar optical element and the lighting unit. Generally, the secondary planar optical element comprises at least one non-transparent planar part and one or more partly transparent planar parts, which are arranged in such a way to create one or more areas on the surface of the secondary planar optical element that are at least partly permeable for light rays emitted by the lighting unit.

Abstract: An erosion detector for an exterior aircraft lighting device is configured for detecting the state of erosion of an at least partially transparent cover of an exterior aircraft lighting device and includes: at least one light source, which is configured for radiating light onto the at least partially transparent cover; at least one light detection element, which is configured for detecting light reflected by the at least partially transparent cover and for providing a corresponding detection signal; and an evaluation unit, which is configured for evaluating the detection signal for determining the state of erosion of the at least partially transparent cover.

Abstract: A light source includes a circular light element having a light source diameter, and a reflector disposed at least partially within the circular light element, the reflector having a first end with a first diameter and a second end with a second diameter, wherein the first diameter is less than the light source diameter and the second diameter is larger than the light source diameter, the second end having a plurality of slits.

Abstract: The present disclosure describes example magnetic LED lighting systems. A lighting apparatus in accordance with the present disclosure may include LEDs connected in series with a resistor. The LEDs are each coupled, directly or via thermal vias through a mounting element, to one or more magnets. The magnets may serve dual purposes: as a heat sink to dissipate heat and enable LEDs to be used, and as a mounting device to mount the lighting apparatus to a desirable location, such as on an automobile or an industrial machine. The dual-purpose magnets may eliminate the need for an additional heat sink element, thereby reducing weight and/or size of the lighting apparatus.

Abstract: A light-emitting device for a motor vehicle, including a housing and a light source assembly arranged in the housing, wherein the light-emitting device further includes a substantially plate-shaped light guide including an opening portion, and the light guide is positioned in such a way that the light source assembly is located behind the opening portion in a main emitting direction of the light-emitting device or located in the center of the opening portion, thereby transmitting lateral light from the light source assembly into the light guide. According to the light-emitting device of the present invention, the light rays from the light source assembly are expanded through the light guide, and can be used to display a decorative pattern, thereby providing more lighting decorative design styles and improving the aesthetic appearance.

Abstract: A helicopter search light comprises: a lighting arrangement, having at least one light source, the lighting arrangement having an adjustable light output; a light detector, which is configured for detecting light emitted by the at least one light source and reflected by the ground and/or at least one item on the ground and for providing a detection signal which is correlated to an amount of light detected; and a control unit which is configured for controlling the adjustable light output of the lighting arrangement of the helicopter search light depending on the detection signal provided by the light detector.

Abstract: The light device for motor vehicles comprises a carrier case, a translucent cover, and an inner chamber where the light source and a linear light guide are mounted. A part of the light guide's outer casing forms the output surface for exiting light rays. Light guide's body comprises an active part for output of light rays from the light device, and an inactive part not visible in viewing inner chamber through translucent cover. Light guide includes a case comprising two arms, either one having at least one contact area on its inner surface to attach light guide in its mounting position therebetween. The distance between the contact areas can be increased during introduction of the light guide into its mounting position, and subsequently reduced after mounting of light guide to a distance at which the light guide surface is in contact with the arm contact areas.

Abstract: A light guide device. The light guide device includes: a light incidence portion and a light guide body, wherein the light incidence portion includes: a first end having an end face with a shape of polygon for receiving an incident light; a second end arranged opposite to the first end and connected to the light guide body, the second end being arranged to direct the incident light from the first end into the light guide body; and a side surface arranged between the first end and the second end, the side surface including at least two sub-surfaces arranged side by side, wherein each of the at least two sub-surfaces extends from one side of the end face of the first end to the second end.

Abstract: An at least partially transparent exterior aircraft light cover includes at least one protrusion provided at a lateral end of the exterior aircraft light cover, wherein the at least one protrusion is configured to be introduced into a corresponding reception provided at an exterior aircraft light casing and wherein the protrusion is formed for allowing the cover to pivot, with the protrusion providing a fulcrum, when the protrusion is introduced into the reception. The at least partially transparent exterior aircraft light cover further includes at least one fixing device, which is provided in a pivotable portion of the cover and which is configured for removably fixing said pivotable portion to the casing for preventing a pivoting motion thereof.

Abstract: A helicopter search light comprises a lighting arrangement comprising at least one light source and having an adjustable light output; a light detector, which is configured for detecting light reflected by the ground and/or at least one item on the ground and for providing a detection signal which is correlated to an amount of light detected; and a control unit, coupled to the light detector for receiving the detection signal and to the at least on light source for controlling the adjustable light output of the lighting arrangement.

Abstract: An exterior aircraft light unit comprises a housing defining an interior space for accommodating at least one light source; and a hygroscopic material, which is arranged inside the interior space for absorbing water and/or moisture from inside the interior space.

Abstract: A device for projecting an image on a projector module screen, comprising an interchangeable disc including at least one image disposed thereon and a light source for illuminating the at least one image. The device further includes a lens for receiving the at least one image from the interchangeable disc and passing the image to the projector module screen, wherein the projector module screen displays the image and a projector module housing enclosing the interchangeable disc, the light source, and the lens.