An airfield lighting system includes an approach lighting subsystem and a runway lighting subsystem. A power supply/controller is configured to provide electrical power to the approach lighting subsystem and the runway lighting subsystem. The power supply/controller is further configured to control operation of the approach lighting subsystem and the runway lighting subsystem. A set of electrical wiring connects the approach lighting subsystem and the runway lighting subsystem to the power supply/controller. The power supply/controller communicates with the approach lighting subsystem and the runway lighting subsystem through the electrical wiring.
B64F 1/18 - Aides à l'atterrissage, visuelles ou acoustiques
G08B 5/36 - Systèmes de signalisation optique, p. ex. systèmes d'appel de personnes, indication à distance de l'occupation de sièges utilisant une transmission électriqueSystèmes de signalisation optique, p. ex. systèmes d'appel de personnes, indication à distance de l'occupation de sièges utilisant une transmission électromécanique utilisant des sources de lumière visible
F21V 9/04 - Éléments modifiant les caractéristiques spectrales, la polarisation ou l’intensité de la lumière émise, p. ex. filtres pour éliminer par filtration les radiations infrarouges
H05B 47/175 - Commande de la source lumineuse par télécommande
2.
Lighting system configured to emit visible and infrared light
A lighting system includes a first light emitter configured to emit light outside a visible-light spectrum. A second light emitter is configured to emit light in a visible-light spectrum. The first and second light emitters are co-located, such as in a stacked arrangement with one light emitted atop the other. The amount of visible illumination of the second light emitter may correspond to a correlated radiant intensity of infrared light emitted by the first light emitter.
H05B 45/50 - Circuits pour faire fonctionner des diodes électroluminescentes [LED] réagissant aux dysfonctionnements des LED ou à un comportement indésirable des LEDCircuits pour faire fonctionner des diodes électroluminescentes [LED] sensibles à la vie des LEDCircuits de protection
F21V 3/02 - GlobesVasquesVerres de protection caractérisés par leur forme
A collision avoidance system includes a sensor adapted to detect at least one vehicle in the vicinity of a predetermined area and generate target data relating to the at least one vehicle. An awareness engine receives the target data and evaluates the target data for a threat of a collision. An alerting system is adapted to alert the at least one vehicle in the event of a threat of a collision, the alerting system being activated by the awareness engine.
F21W 111/06 - Utilisation ou application des dispositifs ou des systèmes d'éclairage pour la signalisation, le balisage ou l'indication, non prévues dans les groupes pour les pistes pour aéronefs ou les voies similaires
An LED driver is provided. The LED driver has a constant current power source. In some embodiments, the constant current power source is an electrical input configured for connection to a source of power at a constant current. In some embodiments, the source of power is a constant current regulator. The LED driver also includes a switch electrically connected to the constant current power source. The switch has at least two outputs wherein the switch is configured to selectively connect the constant current power source to each of the at least two outputs. The switch is configured to connect each of the at least two outputs for a pre-determined period of time.
A collision avoidance system includes a sensor adapted to detect at least one vehicle in the vicinity of a predetermined area and generate target data relating to the at least one vehicle. An awareness engine receives the target data and evaluates the target data for a threat of a collision. An alerting system is adapted to alert the at least one vehicle in the event of a threat of a collision, the alerting system being activated by the awareness engine.
F21W 111/06 - Utilisation ou application des dispositifs ou des systèmes d'éclairage pour la signalisation, le balisage ou l'indication, non prévues dans les groupes pour les pistes pour aéronefs ou les voies similaires
An obstruction lighting system includes a disc having a generally planar surface. A plurality of light emitting diodes are mounted to the planar surface of the disc, a central light emitting axis of the light emitting diodes being oriented generally perpendicularly away from the planar surface. A reflector is coupled to the disc, the reflector having an outer surface in the shape of a rotated conic section, the reflector further including a projecting portion. The outer surface of the reflector has an optical axis generally perpendicular to the central light emitting axis of the light emitting diodes. Furthermore, the projecting portion of the reflector blocks light emissions from the light emitting diodes in an upwardly direction from the obstruction lighting system. The disc and a lens retainer may be configured to block light emitted by the light emitting diodes from traveling in a downwardly direction from the obstruction lighting system.
F21V 23/00 - Agencement des éléments du circuit électrique dans ou sur les dispositifs d’éclairage
F21V 13/04 - Combinaisons de deux sortes d'éléments uniquement les éléments étant des réflecteurs et des réfracteurs
F21K 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
F21V 29/70 - Dispositions de refroidissement caractérisées par des éléments passifs de dissipation de chaleur, p. ex. puits thermiques
F21V 23/02 - Agencement des éléments du circuit électrique dans ou sur les dispositifs d’éclairage les éléments étant des transformateurs ou des impédances
F21Y 101/02 - Structure miniature, p. ex. diodes électroluminescentes (LED)
F21W 111/06 - Utilisation ou application des dispositifs ou des systèmes d'éclairage pour la signalisation, le balisage ou l'indication, non prévues dans les groupes pour les pistes pour aéronefs ou les voies similaires
9.
Light-emitting diode runway end identifier light system
Runway end identifier light system having a housing with an illumination window, a substrate having a mounting surface disposed within the housing, and a first light-emitting diode (“LED”) disposed on the mounting surface of the substrate. The LED may be configured such that light emitted by the LED is visible through the illumination window of the housing. The LED may have a primary illumination axis which is at an angle greater than 0° with respect to a perpendicular axis of the substrate. Systems with multiple mounting surfaces and multiple LEDs having various primary illumination axes are disclosed.
F21S 8/00 - Dispositifs d'éclairage destinés à des installations fixes
F21V 23/00 - Agencement des éléments du circuit électrique dans ou sur les dispositifs d’éclairage
H05B 33/08 - Circuits pour faire fonctionner des sources lumineuses électroluminescentes
F21W 111/06 - Utilisation ou application des dispositifs ou des systèmes d'éclairage pour la signalisation, le balisage ou l'indication, non prévues dans les groupes pour les pistes pour aéronefs ou les voies similaires
A color-controlled light source includes a plurality of light emitting diodes, the light emitting diodes being configured to emit different colors of light, intensity of the light emitted by the light emitting diodes being selectably adjustable. A sensor receives the light emitted by the light emitting diodes and converts the received light to electrical feedback signals corresponding to the emitted light. A processor generates an electrical reference signal. An amplifier receives the reference signal and the feedback signal, compares the feedback signal and the reference signal, and generates an error signal corresponding to a difference between the feedback signal and the reference signal. A current control receives the error signal and adjusts the intensity of at least one light emitting diode to cancel the error signal. A composite color emitted by the plurality of light emitting diodes has a predetermined, closed-loop controlled chromaticity.
H05B 41/28 - Circuits dans lesquels la lampe est alimentée par une puissance obtenue à partir de courant continu au moyen d'un convertisseur, p. ex. par courant continu à haute tension utilisant des convertisseurs statiques
H05B 33/08 - Circuits pour faire fonctionner des sources lumineuses électroluminescentes
Disclosed are elevated lights and methods of maintaining illumination in elevated lights for an airfield. The elevated lights have a substrate having a mounting surface, LEDs, a reflector, and an LED driver circuit. The LEDs are disposed on the mounting surface of the substrate and configured such that a primary illumination axis of each LED is oriented along a longitudinal axis of the elevated light. The reflector is configured such that the light emitted from the LEDs is reflected radially with respect to the longitudinal axis of the elevated light. The driver circuit is configured to provide a current to the LEDs and detect failure of one or more of the LEDs. Illumination is maintained by providing a current to the LEDs, detecting a voltage change across the LEDs, determining, based on the voltage change, LED failure, and altering the provided electrical current in order to maintain illumination.
F21V 13/08 - Combinaisons de deux sortes d'éléments uniquement les éléments étant des filtres, ou des éléments photoluminescents, et des réflecteurs
F21W 111/06 - Utilisation ou application des dispositifs ou des systèmes d'éclairage pour la signalisation, le balisage ou l'indication, non prévues dans les groupes pour les pistes pour aéronefs ou les voies similaires
F21Y 101/02 - Structure miniature, p. ex. diodes électroluminescentes (LED)
A collision avoidance system includes a sensor adapted to detect at least one vehicle in the vicinity of a predetermined area and generate target data relating to the at least one vehicle. An awareness engine receives the target data and evaluates the target data for a threat of a collision. An alerting system is adapted to alert the at least one vehicle in the event of a threat of a collision, the alerting system being activated by the awareness engine.
F21W 111/06 - Utilisation ou application des dispositifs ou des systèmes d'éclairage pour la signalisation, le balisage ou l'indication, non prévues dans les groupes pour les pistes pour aéronefs ou les voies similaires
A lighting system having a reflector with a plurality of reflecting surfaces. The plurality of reflecting surfaces have at least one optical axis, and the reflecting surfaces further include a linearly projected cross-section along a respective linear axis. A plurality of light emitting diodes (LEDs) are positioned in a line generally parallel to the linearly projected cross-section of the plurality of reflecting surfaces. The LEDs are oriented relative to an associated reflecting surface such that a central light-emitting axis of the plurality of LEDs is angled relative to the at least one optical axis of the associated reflecting surface at about 45°. The reflecting surfaces redirect and collimate a light output of the plurality of LEDs at an angle of about 45° with respect to the central light emitting axis of the plurality of LEDs.
F21V 29/70 - Dispositions de refroidissement caractérisées par des éléments passifs de dissipation de chaleur, p. ex. puits thermiques
F21V 5/04 - Réfracteurs pour sources lumineuses de forme lenticulaire
F21V 23/00 - Agencement des éléments du circuit électrique dans ou sur les dispositifs d’éclairage
F21W 111/06 - Utilisation ou application des dispositifs ou des systèmes d'éclairage pour la signalisation, le balisage ou l'indication, non prévues dans les groupes pour les pistes pour aéronefs ou les voies similaires
F21Y 101/02 - Structure miniature, p. ex. diodes électroluminescentes (LED)
F21V 23/04 - Agencement des éléments du circuit électrique dans ou sur les dispositifs d’éclairage les éléments étant des interrupteurs
F21V 29/74 - Dispositions de refroidissement caractérisées par des éléments passifs de dissipation de chaleur, p. ex. puits thermiques avec ailettes ou lames
F21V 29/75 - Dispositions de refroidissement caractérisées par des éléments passifs de dissipation de chaleur, p. ex. puits thermiques avec ailettes ou lames avec ailettes ou lames ayant des formes, des épaisseurs ou des espacements différents
F21Y 111/00 - Sources lumineuses de forme non couverte par les groupes
An LED lighting system has an LED circuit that includes a first LED having an anode and a cathode, and a second LED having an anode and a cathode. The anode of the second LED is electrically coupled to the cathode of the first LED, and the cathode of the second LED is electrically coupled to the anode of the first LED. The first and second LEDs are in an inverse-parallel arrangement, the first LED acting as a reverse-voltage clamp for the second LED and the second LED acting as a reverse-voltage clamp for the first LED.
A collision avoidance system includes a sensor adapted to detect at least one vehicle in the vicinity of a predetermined area and generate target data relating to the at least one vehicle. An awareness engine receives the target data and evaluates the target data for a threat of a collision. An alerting system is adapted to alert the at least one vehicle in the event of a threat of a collision, the alerting system being activated by the awareness engine.
F21W 111/06 - Utilisation ou application des dispositifs ou des systèmes d'éclairage pour la signalisation, le balisage ou l'indication, non prévues dans les groupes pour les pistes pour aéronefs ou les voies similaires
F21Y 101/02 - Structure miniature, p. ex. diodes électroluminescentes (LED)
A lighting system having a reflector with a plurality of reflecting surfaces. The plurality of reflecting surfaces have at least one optical axis, and the reflecting surfaces further include a linearly projected cross-section along a respective linear axis. A plurality of light emitting diodes (LEDs) are positioned in a line generally parallel to the linearly projected cross-section of the plurality of reflecting surfaces. The LEDs are oriented relative to an associated reflecting surface such that a central light-emitting axis of the plurality of LEDs is angled relative to the at least one optical axis of the associated reflecting surface at about 45°. The reflecting surfaces redirect and collimate a light output of the plurality of LEDs at an angle of about 45° with respect to the central light emitting axis of the plurality of LEDs.
F21W 111/06 - Utilisation ou application des dispositifs ou des systèmes d'éclairage pour la signalisation, le balisage ou l'indication, non prévues dans les groupes pour les pistes pour aéronefs ou les voies similaires
F21Y 101/02 - Structure miniature, p. ex. diodes électroluminescentes (LED)
F21V 29/00 - Protection des dispositifs d'éclairage contre les détériorations thermiquesDispositions de refroidissement ou de chauffage spécialement adaptées aux dispositifs ou systèmes d'éclairage
F21V 23/04 - Agencement des éléments du circuit électrique dans ou sur les dispositifs d’éclairage les éléments étant des interrupteurs
