Source: http://www.google.de/patents/US7767948?hl=de
Timestamp: 2013-05-18 22:01:58
Document Index: 197563017

Matched Legal Cases: ['Application No. 2', 'Application No. 05', 'Application No. 05', 'Application No. 05740253', 'Application No. 05756155', 'Application No. 05758377']

Patent US7767948 - Optical integrating cavity lighting system using multiple LED light sources ... - Google PatenteSuche Bilder Maps Play YouTube News Gmail Drive Mehr » Erweiterte Patentsuche | Webprotokoll | Anmelden Erweiterte Patentsuche PatenteA system to provide radiant energy of selectable spectral characteristic (e.g. a selectable color combination) uses an integrating cavity to combine energy of different wavelengths from different sources. The cavity has a diffusely reflective interior surface and an aperture for allowing emission of...http://www.google.de/patents/US7767948?utm_source=gb-gplus-sharePatent US7767948 - Optical integrating cavity lighting system using multiple LED light sources with a control circuit Ver�ffentlichungsnummerUS7767948 B2PublikationstypErteilung Anmeldenummer12/203,428 Ver�ffentlichungsdatum3. Aug. 2010Eingetragen3. Sept. 2008 Priorit�tsdatum23. Juni 2003Auch ver�ffentlicht unterUS7145125US7157694US7479622US20050156103US20060086897US20070045523US20080315774US20100201286US20100231143 ErfinderDonald F. MAYJr. Jack C. RainsUrspr�nglich Bevollm�chtigterAdvanced Optical Technologies, Llc.Abl Ip Holding Llc US-Klassifikation250/205250/228Internationale KlassifikationG01J1/32G01J3/10 UnternehmensklassifikationF21Y2101/02G01J3/10G01J3/501F21K9/54F21Y2113/02G01J3/0264G01J3/0254 Europ�ische KlassifikationF21K 9/54G01J 3/02B19G01J 3/10ReferenzenPatentzitate (100)Nichtpatentzitate (30) Referenziert von (3)Externe LinksUSPTO USPTO-Zuordnung EspacenetOptical integrating cavity lighting system using multiple LED light sources with a control circuitUS 7767948 B2 Zusammenfassung A system to provide radiant energy of selectable spectral characteristic (e.g. a selectable color combination) uses an integrating cavity to combine energy of different wavelengths from different sources. The cavity has a diffusely reflective interior surface and an aperture for allowing emission of combined radiant energy. Sources of radiant energy of different wavelengths, typically different-color LEDs, supply radiant energy into the interior of the integrating cavity. In the examples, the points of entry of the energy into the cavity typically are located so that they are not directly visible through the aperture. The cavity effectively integrates the energy of different wavelengths, so that the combined radiant energy emitted through the aperture includes the radiant energy of the various wavelengths. The apparatus also includes a control circuit coupled to the sources for establishing output intensity of radiant energy of each of the sources. Control of the intensity of emission of the sources sets the amount of each wavelength of energy in the combined output and thus determines a spectral characteristic of the radiant energy output through the aperture.
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