GOODRICH LIGHTING SYSTEMS GMBH Patent applications |
Patent application number | Title | Published |
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 |
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 |
20140333223 | DIMMABLE LED LIGHT UNIT AND METHOD OF REPLACING A LIGHT UNIT - 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. | 11-13-2014 |
20140333221 | LED LIGHT UNIT AND METHOD OF OPERATING AN LED LIGHT UNIT - An LED light unit, in particular for a passenger transport vehicle, such as an aircraft, a road vehicle, a ship or a rail car, is disclosed that has at least one LED and is configured to be used with a high intensity discharge lamp power supply that is adapted to monitor its output behavior. The LED light unit comprises a power input coupleable to the high intensity discharge lamp power supply, a capacitor switchably coupled to the power input for absorbing electrical energy from the high intensity discharge lamp power supply, and a power dissipating element switchably coupled to the power input for dissipating electrical energy from the high intensity discharge lamp power supply. | 11-13-2014 |
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 |
20140254190 | LED READING LIGHT AND METHOD OF REPLACING AN LED READING LIGHT - An LED reading light, in particular for a passenger transport vehicle, such as an aircraft, a road vehicle, a ship or a rail car, is disclosed that has a plurality of illuminating LED's and in operation provides a desired light intensity for a set supply current, wherein the LED reading light comprises two power supply terminals connectable to a power supply for receiving the set supply current, and at least one lighting strand coupled between the two power supply terminals. Each of the at least one lighting strand comprises at least one voltage drop diode, with the at least one voltage drop diode in operation not contributing to the desired light intensity, and at least one of the illuminating LED's. The illuminating LED's are distributed among the at least one lighting strand and connected such that they jointly provide the desired light intensity for the set supply current. | 09-11-2014 |
20140252977 | DIMMABLE LED READING LIGHT UNIT, ARRANGEMENT OF POWER SUPPLY AND DIMMABLE LED READING LIGHT UNIT AND METHOD OF REPLACING A DIMMABLE LIGHT UNIT BY A DIMMABLE LED READING LIGHT UNIT - A dimmable LED reading light unit includes comprises a dimming module and an LED module, connected in series. The dimming module has an input being connectable to a power supply supplying direct voltage and includes a potentiometer allowing section of a dimming rate and a current controller providing an operating current for the LED module. The LED module includes at least one LED and a current consumer connected in parallel and the current controller is configured to supply direct current to the LED module that substantially corresponds to the sum of the driving current necessary for driving the at least one LED to emit light with an intensity of illumination corresponding to the dimming rate of the potentiometer, and the current consumption of the current consumer. | 09-11-2014 |
20140252952 | DIMMABLE LED READING LIGHT UNIT, ARRANGEMENT OF POWER SUPPLY AND DIMMABLE LED READING LIGHT UNIT, METHOD OF OPERATING A DIMMABLE LED READING LIGHT UNIT IN A POWER SUPPLY SYSTEM, AND METHOD OF REPLACING A DIMMABLE LIGHT UNIT BY A DIMMABLE LED READING LIGHT UNIT - A dimmable LED reading light unit, in particular for a passenger transportation vehicle, such as an airplane, a bus or a ship, comprises an input which is connectable to a potentiometer that outputs a direct voltage having a voltage intensity corresponding to a selected potentiometer position; a load current source being configured to generate a predetermined load current; a current controller providing an operating current for operating at least one LED; and an electronic measuring and control unit; wherein the load current source and the current controller are connected to the input in parallel. | 09-11-2014 |
20140252951 | DIMMABLE LED READING LIGHT UNIT, ARRANGEMENT OF POWER SUPPLY AND DIMMABLE LED READING LIGHT UNIT, METHOD OF OPERATING A DIMMABLE LED READING LIGHT UNIT IN A POWER SUPPLY SYSTEM AND METHOD OF REPLACING A DIMMABLE LIGHT UNIT BY A DIMMABLE LED READING LIGHT UNIT - A dimmable LED reading light unit according to exemplary embodiments of the invention, in particular for a passenger transportation vehicle, such as an airplane, a ship, a bus, or a railcar, comprises an input connectable to a potentiometer being supplied with a constant supply voltage and outputting a direct voltage having a voltage intensity corresponding to a selected dimming rate; an electronic measuring and control unit connected to at least one LED and providing an operating current to the at least one LED. | 09-11-2014 |
20140166260 | METHOD FOR CONTROLLING A MECHANICAL VIBRATING ELEMENT - A method for controlling a mechanical vibrating element driven by a driving means includes operating the driving means at an operation frequency for stimulating the vibrating element to oscillate at this frequency. The method also includes adjusting the operation frequency of the driving means for stimulating the vibration element at different frequencies and of determining a respective energy consumption of the driving means depending on the frequency at which the vibrating element oscillates. The resonance frequency of the oscillation of the vibrating element is identified as the frequency at which the energy consumption of the driving means is lowest and the driving means for stimulating the vibrating element can be operated at the resonance frequency. | 06-19-2014 |
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 |
20130300296 | LED FLASH LIGHT AND METHOD FOR INDICATING NEAR-END-OF-LIFE STATUS OF SUCH AN LED FLASH LIGHT - The invention comprises a method for indicating that an LED flash light for an aircraft such as an anti-collision or beacon or strobe LED light has reached a near-end-of-life status, wherein the LED flash light under normal operational condition within a given time interval generates a predetermined number of normal flashes with the number being one or more than one, e.g. two. The method comprises the steps of determining the actual photometric condition of the LED flash light, and comparing the actual photometric condition to a given condition in a normal flashing mode. If the actual condition deviates from the given condition by more than a predetermined amount, the LED flash light is operated in order to generate within the given time interval one additional near-end-of-life-indicating flash. | 11-14-2013 |
20130155706 | Combined Aircraft Landing and Taxi Light - An integrated aircraft landing and taxi light includes upper and lower reflector regions in the shape of substantially circular segments and a central longitudinal third reflector region extending between the upper and lower reflector regions. Landing light LEDs are arranged within the upper and lower reflector regions and the outer portions of the central longitudinal reflector region with the diagonals of the LED dies oriented substantially along radial lines extending outward from the center of the light. Taxi light LEDs are arranged within the central and outer portions of the central longitudinal reflector region such that the sides of the LED dies are oriented substantially horizontally and vertically with respect to the aircraft. | 06-20-2013 |
20130088148 | Method for Controlling an Aircraft Light - A method for controlling an aircraft having a plurality of LEDs, light so as to emit a desired light intensity includes the steps of providing a reference LED located within or outside of the aircraft light, providing thermal conditions resulting in a thermal stress for the reference LED similar to the maximum thermal stress, and observing the reference LED by means of an optical sensor for monitoring the optical aging behavior of the reference LED throughout its lifetime. The desired light intensity of the aircraft light is achieved by controlling the plurality of LEDs in accordance with the monitored aging behavior of the reference LED. | 04-11-2013 |
20130077332 | Light for an Aircraft - A light for an aircraft comprises a holder for carrying a first group of light emitting diodes arranged along a curvilinear line and a first reflector having an elliptic reflective partial surface defining a plurality of focal points forming a first curvilinear focal line coinciding with the light emitting sites of the first group of light emitting diodes and second focal point or curvilinear focal line. The light further includes a second optical unit comprising a single further focal point or curvilinear focal line that coincides with the second focal point or focal line of the first reflector. The light further includes a second group of light emitting diodes displaced axially with respect to the first light emitting diodes, which emit light that bypasses the second focal point or focal line of the first reflector of the first optical unit. | 03-28-2013 |
20130077331 | Aircraft Light - An aircraft light consists of a housing containing a light source, a heat sink element forming at least part of the exterior surface of the housing and an auxiliary thermal capacitor that is thermally decoupled from the heat sink element. A thermally expandable medium is coupled to the heat sink element and operates to thermally decouple the light source from the heat sink element and thermally couple the light source to the auxiliary thermal capacitor and vice versa, depending on the actual temperature of the heat sink element. | 03-28-2013 |
20130077330 | Aircraft Light for Emitting Light in a Desired Spatial Angular Region and with a Desired Light Distribution - An aircraft light for emitting light in a desired spatial angular region and with a desired light distribution, comprises a reflector having an upper reflector portion and a lower reflector portion both being symmetrical to a plane. A first row of LEDs are face away from the reflector. A second row of LEDs face towards the reflector. Each of the upper and lower portions of the reflector comprises first, second, and third reflective surfaces with the first reflective surface being convexly shaped, the second reflective surface being substantially flat, and the third reflective surface being partially parabolically shaped. | 03-28-2013 |
20100102736 | COLOR-VARIABLE LED LIGHT, PARTICULARLY FOR LIGHTING THE INTERIOR OF VEHICLES - The invention relates to an LED light, particularly a reading or seat lamp for vehicles such as travel coaches or airplanes, said light being equipped with a housing ( | 04-29-2010 |
20100096989 | NAVIGATION LIGHT DEVICE FOR AN AIRCRAFT, IN PARTICULAR A MILITARY AIRPLANE - The navigation lighting device for an aircraft, in particular a military aircraft and preferably a fighter aircraft is provided with several navigation light units ( | 04-22-2010 |
20100039046 | LED READING LIGHT AND METHOD FOR OPERATING AN LED READING LIGHT - The LED reading light, in particular for a passenger transportation vehicle such as, for example, an airplane, a bus, or a ship, is provided with two power supply connections ( | 02-18-2010 |