Abstract: A disconnect component coupled between a lighting load and a main power line. The disconnect component includes an input coupled to the main power line and a neutral line input to the disconnect component from the 277 volt circuit and an output coupled to the lighting load. The disconnect component includes a monitor that monitors a voltage on the main power line and a coupling component that couples the main power line to the output. The coupling component is configured to decouple the main power line from the output when the monitor senses a voltage on the main power line is higher than an upper limit voltage and re-couple the main power line to the output when the monitor senses that the voltage on the main power line is below the upper limit voltage.

Abstract: A theatrical apparatus including a first light source, a second light source and a third light source, a computer memory, and a computer processor. Each of the first, second, and third light sources may have current positions; and each may be configured to be remotely operated by the computer processor executing computer operating software to have its current position changed, independent of the other light sources. Data indicating the current position of each of the first, second, and third light sources, including a position count value for each of the first, second, and third light sources, is stored in the computer memory by the computer processor executing the computer operating software. The computer processor may be programmed by the computer operating software to use the position count values prevent collisions between the light sources.

Abstract: A ground illumination aircraft light unit has an operating light emission distribution for illuminating a ground area below an aircraft, wherein the ground illumination aircraft light unit is configured to be mounted to an underside of an aircraft fuselage, and wherein the operating light emission distribution includes a straight downward emission direction normal to the ground area and covers a solid angle of illumination around the straight downward emission direction, wherein the solid angle of illumination is at least 1.3 ? sr.

Abstract: A helicopter search light includes at least one first light source, with the at least one first light source in operation providing a spot light functionality of the helicopter search light, at least one second light source, with the at least one second light source in operation providing a flood light functionality of the helicopter search light, and a switching circuit having a first switching state, with only the at least one first light source being switched on and the helicopter search light providing a pure spot light functionality in the first switching state, and a second switching state, with only the at least one second light source being switched on and the helicopter search light providing a pure flood light functionality in the second switching state.

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 transition metal ortho-phosphate compounds ortho-vanadate compounds and mixed ortho-phosphate-vanadate compounds as multifunctional components in the oxygen generating compositions.

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: Light systems having an array of paired visible-light and infrared-light elements, each pair arranged such that a body of each visible-light element obstructs infrared-light emitted from its paired infrared-light element. A lens might be provided to cover the array of paired light elements.

Abstract: A method and a device for the reduction of margins of the light image of a headline, and the headline incorporating the device, is provided, having a reflective diaphragm which is adapted to be shifted in a light axis direction within adjustment limits of a longitudinal position. The margins of the light image can be detected by an optical colour-sensitive photometric sensor, and colour characteristics of the light image margins can be evaluated by identifying a current position of the reflective diaphragm. The reflective diaphragm can then be fixed in the longitudinal position corresponding to selected colour characteristics of the light image margins. The reflective diaphragm can also be adapted to be shifted in a direction perpendicular to the light axis direction.

Abstract: An exterior aircraft navigation light for an aircraft having a nominal forward flight direction and being able to fly into the nominal forward flight direction as well as into a plurality of further flight directions, such as sideways or backwards, has at least one light emission unit and control circuitry coupled to the at least one light emission unit, wherein the exterior aircraft navigation light is configured such that each of the at least one light emission unit has a unit-specific light emission direction that has a predefined horizontal angle with respect to the nominal forward flight direction, and wherein each of the at least one light emission unit includes a multi-color light source configured to emit red light, white light and green light, and an optical system for conditioning the red light, the white light and the green light emitted by the multi-color light source.

Abstract: A signal lamp for a front and rear lighting of a vehicle includes at least one light source for emitting light, wherein the at least one light source is hidden from view; a reflector for reflecting the light emitted by the at least one light source away from the vehicle; and at least one light guide disposed between the reflector and a cover of the signal lamp, the at least one light guide having a first end and a second end, wherein the first end is disposed adjacent the at least one light source and the second end is located adjacent a focus point of the reflector.

Abstract: A status indicating light unit includes a power input terminal, an illumination circuit, comprising at least one LED, a continuous connection circuit, coupled to the illumination circuit and configured to effect a continuous power transfer from a power input terminal to the illumination circuit, a pulsed power reception circuit, coupled to the illumination circuit and configured to draw power from the power input terminal in a pulsed manner and to continuously emit power to the illumination circuit, and a mode selection switch adapted to couple the continuous connection circuit to the power input terminal in a continuous power draw mode, resulting in a continuous power draw pattern of the status indicating light unit, and adapted to couple the pulsed power reception circuit to the power input terminal in a pulsed power draw mode.

Abstract: An exterior aircraft lighting device comprises: at least one light source; an optical element having a light entry side facing the at least one light source and a light exit side and being configured for modifying light emitted by the at least one light source; at least one photo detector, which is configured and arranged for detecting a portion of the light emitted by the at least one light source, which is reflected by the light entry side of the at least one optical element, the photo detector providing a detection value, representing the amount of detected light; and a control and evaluation unit which is configured for evaluating the state of wear of the at least one light source based on the detection value provided by the at least one photo detector.

Abstract: A device for illuminating a space comprising is discussed. In one variation, the device includes: a central body portion, with a length and a width, and including two plates running along the length of the central body portion wherein the two plates are separated by a spacer; an opening for the removal of heat during operation of the device that extends along a portion of the length of the central body portion, a light emitting diode on the central body portion; a reflector, extending from the central body portion, for reflecting light emitted by the light emitting diode towards the illuminated space. Other variations are also discussed as are methods for using suitable variations for retrofitting existing non-light emitting diode light sources.

Abstract: The present disclosure provides a light guide assembly and a vehicle lamp. The light guide assembly includes a light guide having an elongated light guiding portion, and a light guide support, the elongated light guiding portion having an end provided with a positioning device for positioning the light guide on the light guide support. It may improve reliability of positioning the light guide by the positioning device arranged at the end of the elongated light guiding part of the light guide.

Abstract: A light device for motor vehicles comprises a carrying housing covered by a translucent cover and an inner chamber where an optical system is mounted containing a light guide with a light guide body for guiding the light generated by the light source and its emission as a light beam through one or more output light surfaces out of the light guide, one or more flat electroluminescence diodes and a reflective element for reflection of light emitted from one or more light emitting surfaces of the flat electroluminescence diode. The electroluminescence diode is attached to the light guide. The light guide is configured to emit the light beam essentially in an optical axis direction, and the reflective element is adapted to reflect light of the electroluminescence diode to a direction that is essentially parallel to the direction of the optical axis.

Abstract: A headlight, especially a motor vehicle headlight, comprises a bushing (1) with a translucent cover (2) forming an inner chamber (3) including a light source (4), an optical system (5) for guiding the light beam from the light source, a cooling body having the light source mounted thereon and fitted with cooling elements (61) to extract heat from the heat source, and a cooling channel (7) for passage of the cooling media for heat extraction from the cooling elements. The cooling channel is closed with respect to the chamber to prevent the cooling media from passing through the chamber outside the cooling channel The body forms the wall of a part of the cooling channel, and the cooling elements face the inner space of the cooling channel. The part of the cooling channel whose wall comprises the cooling body is arranged in a controlled movable way in the inner chamber.

Abstract: An exterior aircraft light unit includes a mounting structure, an LED arranged on the mounting structure, and an optical system, arranged on the mounting structure for creating an output light emission distribution of the exterior aircraft light unit. The optical system has, in a first cross-sectional plane extending through the LED, a first concave reflector and a second concave reflector, each of the first and second concave reflectors having a proximate end positioned adjacent to the mounting structure and a distal end positioned removed from the mounting structure, with the first and second concave reflectors being arranged on opposite sides of the LED in the first cross-sectional plane, and a refractive optical element arranged between the first and second concave reflectors in the first cross-sectional plane. The distal ends of both the first and second concave reflectors that curve towards each other and have back-tapered shapes.

Abstract: The apparatus of a progressive direction indicator, especially for a car headlight or lamp, comprises the main connector (1) as the input electric interface, an LDM power supply module (2) for the power supply of the LED light sources (7), an LED board (4) where the LED light sources are mounted, and an interface (3) interconnecting the LDM power supply module with the LED board. The apparatus further comprises a current controller (9) for setting the current of the LED light sources, with the LDM power supply module comprising a DC/DC converter (5) generating the output voltage V out, which is the voltage source for the LED board. The LED board comprises discrete switching elements (8) for switching of individual LED light sources depending on the input voltage, so that the LED light sources are sequentially switched depending on the output voltage V out.

Abstract: A signal lamp comprises at least one light source arranged at the entry of a longitudinal light guide oriented with its longitudinal axis (?) in the direction (s) of light exit from the lamp, and at least a portion of the light from the light source passes into a transversal light guide oriented with its longitudinal axis (?, ?) transversally to longitudinal axis (?). Transversal light guide is fitted on a part of its casing with an exit surface for light to exit from the lamp. Longitudinal light guide is fitted with at least two reflective surfaces that do not overlap when viewed in the direction of longitudinal axis (?), and that are inclined towards axis (?) to reflect light beams to at least two transversal light guides having their entries against the reflective surfaces, and their exit surfaces at a distance from each other in direction (s).

Abstract: The device for generating an air flow for cooling a heat dissipating electronic element such as an LED comprises a channel (12,56) extending between an inlet portion (18) upstream of the air flow to be generated and an outlet portion (20) downstream of the air flow to be generated, wherein the channel (12,56) comprises at least two substantially opposite side surfaces (14). Moreover, the device is provided with a first bendable air ventilating blade (10,58) arranged within the channel (12,56) and having an overall longitudinal extension substantially coinciding with the extension of the channel (12,56), with a first longitudinal end (24,62) arranged upstream of the air ventilating blade (10,58) flow to be generated and a second end (28,70) arranged downstream of the air flow to be generated. The first air ventilating blade (10,58) with its first end (24,62) is fixedly arranged and has its second end (28,70) is reciprocatingly arranged.