Patent application number | Description | Published |
20140166235 | DEVICE FOR GENERATING AN AIRFLOW FOR COOLING A HEAT DISSIPATING ELECTRONIC ELEMENT SUCH AS AN LED - The device for generating an air flow for cooling a heat dissipating electronic element such as an LED comprises a channel ( | 06-19-2014 |
20140328074 | STROBE LIGHT UNIT AND AIRCRAFT COMPRISING THE SAME - A strobe light unit, particularly wing anti-collision strobe light unit for an aircraft, comprises at least one light source, particularly at least one LED; a reflector element, the at least one light source and the reflector element being configured for projecting light into a desired range of directions; and a stray light blocking element for blocking stray light from being projected into undesired directions, the stray light blocking element attached to the reflector element or to a base portion of the strobe light unit. | 11-06-2014 |
20140334174 | LED LIGHT UNIT AND METHOD OF PRODUCING AN LED LIGHT UNIT - An LED light unit comprises a support portion, a light source having at least one LED, the light source being arranged on the support portion and having a source-side light intensity distribution (LI | 11-13-2014 |
20140334175 | LED LIGHT UNIT AND METHOD OF REPLACING AN LED LIGHT UNIT - An LED light unit, in particular for a passenger transportation vehicle, such as an aircraft, a road vehicle, a ship or a rail car, has a support portion a light source having at least one LED, the light source being arranged on the support portion, and a refractive optical element having an inner surface and an outer surface the refractive optical element being attached to the support portion and being arranged over the light source. The refractive optical element has a chamfer portion adjacent the support portion, wherein at least one of the inner surface and the outer surface has at least one chamfer surface in the chamfer portion. | 11-13-2014 |
20150036365 | EXTERIOR HELICOPTER LIGHT UNIT AND METHOD OF OPERATING AN EXTERIOR HELICOPTER LIGHT UNIT - An exterior helicopter light unit is disclosed that comprises a movable light head comprising a light source, a first motor and a second motor for actuating the movable light head, and an inverse differential gear assembly coupling the first and second motors to the movable light head in such a way that the first and second motors can tilt and rotate the movable light head in operation. | 02-05-2015 |
20150036366 | EXTERIOR AIRCRAFT LIGHT UNIT AND METHOD OF OPERATING AN EXTERIOR AIRCRAFT LIGHT UNIT - An exterior aircraft light unit for emitting light of a first wavelength and light of a second wavelength, different from the first wavelength, with corresponding emission characteristics is disclosed. The exterior aircraft light unit has at least one first light source configured to emit the light of the first wavelength, at least one second light source configured to emit the light of the second wavelength, and a wavelength selective optical element, which wavelength selective optical element is reflective for the light of the first wavelength and transparent for the light of the second wavelength. | 02-05-2015 |
20150078018 | EXTERIOR AIRCRAFT LIGHT UNIT AND AIRCRAFT COMPRISING THE EXTERIOR AIRCRAFT LIGHT UNIT - An exterior aircraft light unit for emitting light of a first wavelength and light of a second wavelength, different from the first wavelength is disclosed. The exterior aircraft light unit has an integrated optical structure, which in turn has a first light source configured to emit the light of the first wavelength, a second light source configured to emit the light of the second wavelength, the second light source being positioned adjacent to the first light source, and an optical element for shaping a light emission distribution of the integrated optical structure. The optical element is arranged with respect to the first light source and the second light source in such a way that it affects both the light of the first wavelength and the light of the second wavelength. | 03-19-2015 |
20160046388 | EXTERIOR AIRCRAFT LIGHT UNIT AND AIRCRAFT COMPRISING THE SAME - 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. | 02-18-2016 |
20160046389 | EXTERIOR AIRCRAFT LIGHT UNIT AND AIRCRAFT COMPRISING THE SAME - An exterior aircraft light unit includes a mounting structure, a plurality of first light sources arranged on the mounting structure, and a lens cover arranged over the plurality of first light sources, the lens cover having a convex shape at least in a first cross-sectional plane, wherein the plurality of first light sources are arranged in a curved pattern, with the curved pattern having the same direction of curvature as the convex shape of the lens cover in the first cross-sectional plane. | 02-18-2016 |
20160046390 | AIRCRAFT BEACON LIGHT UNIT AND SET OF AIRCRAFT BEACON LIGHT UNITS - An aircraft beacon light unit has an operating light emission distribution. The operating light emission distribution has a first light emission opening angle of at least 150° in a first cross-sectional plane, and a second light emission opening angle of at most 180° in a second cross-sectional plane orthogonal to the first cross-sectional plane. The aircraft beacon light unit is configured in such a way that it is mountable to an aircraft with the first cross-sectional plane being oriented in a vertical direction and the second cross-sectional plane being oriented in a horizontal direction, and the first light emission opening angle extends at least 75° both above and below the second cross-sectional plane. | 02-18-2016 |
20160096635 | GROUND ILLUMINATION AIRCRAFT LIGHT UNIT AND AIRCRAFT COMPRISING THE SAME - 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 π sr. | 04-07-2016 |
20160097503 | INTERIOR AIRCRAFT LIGHT UNIT AND METHOD OF PRODUCING AN INTERIOR AIRCRAFT LIGHT UNIT - An interior aircraft light unit includes at least one light source, in operation emitting light with a source side light intensity distribution, the source side light intensity distribution having a first intensity region and a second intensity region, with the first intensity region having a higher light intensity than the second intensity region, and a semi-transparent layer, disposed between the at least one light source and an outside of the interior aircraft light unit, for transforming the source side light intensity distribution into an adjusted light intensity distribution, wherein the semi-transparent layer has a transparency distribution having a lower degree of transparency in the first intensity region than in the second intensity region, such that the adjusted light intensity distribution is closer to an even light intensity distribution than the source side light intensity distribution. | 04-07-2016 |
20160107767 | HELICOPTER SEARCH LIGHT - 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. | 04-21-2016 |