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    • 1. 发明授权
    • LED-based lighting fixture providing a selectable chromaticity
    • US11272592B2
    • 2022-03-08
    • US16942594
    • 2020-07-29
    • David W. CunninghamGregory F. Esakoff
    • David W. CunninghamGregory F. Esakoff
    • H05B45/20F21K9/60H05B45/3577F21Y113/10F21Y115/10
    • The disclosed invention is embodied in an improved LED-based lighting fixture for projecting a beam of light having a substantially uniform intensity, rotationally, and a selectable, substantially uniform chromaticity. The lighting fixture includes (1) a concave reflector having circumferential facets, a focal region, an aperture, and a central opening; and (2) a light source assembly including two or more groups of LEDs mounted at the forward end of an elongated, thermally conductive support. The light source assembly is mounted relative to the reflector with the elongated support's longitudinal axis aligned with the reflector's longitudinal axis and with the groups of LEDs located at or near the reflector's focal region. Each of the two or more groups of LEDs includes a plurality of LEDs arranged in two or more columns substantially parallel with the light source axis, with each column including only LEDs configured to emit light in a limited range of the visible spectrum and having the same distinct dominant wavelength, and with each group of LEDs including LEDs configured to emit light in two or more dominant wavelengths. The two or more groups of LEDs are configured to cooperate with the faceted concave reflector to project a beam of light having a selectable, substantially uniform chromaticity.
    • 3. 发明授权
    • Lighting fixture and light-emitting diode light source assembly
    • 照明灯具和发光二极管光源组件
    • US09261241B2
    • 2016-02-16
    • US14145186
    • 2013-12-31
    • David W. Cunningham
    • David W. Cunningham
    • F21V7/20F21K99/00F21V29/00F21W131/406F21Y111/00F21Y101/02F21V29/76
    • F21V29/717F21K9/23F21V29/76F21V29/767F21W2131/406F21Y2107/30F21Y2115/10F28D15/0275Y02B20/386
    • An improved LED light source assembly is described, suitable for use as a retrofit for prior lighting fixtures of a kind including a concave reflector, an incandescent lamp positioned with its filament(s) at or near a focal region of the reflector, and a lens assembly for projecting light reflected by the reflector to a distant location, e.g., a theater stage. The improved LED light source assembly includes a compact arrangement of three or more LED assemblies, which are mounted at the forward end of an elongated heat pipe. The heat pipe's rearward end attaches to a heat sink mountable on the back side of the lighting fixture's concave reflector, and the heat pipe extends through a central hole in the reflector to position the LED assemblies at or near the concave reflector's focal region. The concave reflector reflects light emitted by the LED assemblies forward to the lighting fixture's lens assembly, which in turn projects a beam of light to a distant location. The LED light engine's configuration allows a significant proportion of the prior lighting fixture to continue to be utilized, leading to substantial cost saving and simplified installation.
    • 描述了一种改进的LED光源组件,其适用于以下类型的现有照明装置的改型:包括凹面反射器,在其反射器的聚焦区域处或其附近位于其上的白炽灯,以及透镜 用于将由反射器反射的光投射到远处的组件,例如剧院舞台。 改进的LED光源组件包括三个或更多个LED组件的紧凑布置,其安装在细长热管的前端。 热管的后端连接到可安装在照明器具的凹面反射器的背面上的散热器,并且热管延伸穿过反射器中的中心孔,以将LED组件定位在凹面反射体的聚焦区域处或其附近。 凹形反射器将由LED组件发射的光向前反射到照明器具的透镜组件,该组件又将一束光投射到远处。 LED光引擎的配置允许现有照明灯具的很大一部分继续被利用,从而大大节省成本并简化安装。
    • 4. 发明申请
    • Lighting Fixture And Light-Emitting Diode Light Source Assembly
    • 照明灯具和发光二极管光源组件
    • US20140185287A1
    • 2014-07-03
    • US14145186
    • 2013-12-31
    • David W. Cunningham
    • David W. Cunningham
    • F21K99/00F21V29/00
    • F21V29/717F21K9/23F21V29/76F21V29/767F21W2131/406F21Y2107/30F21Y2115/10F28D15/0275Y02B20/386
    • An improved LED light source assembly is described, suitable for use as a retrofit for prior lighting fixtures of a kind including a concave reflector, an incandescent lamp positioned with its filament(s) at or near a focal region of the reflector, and a lens assembly for projecting light reflected by the reflector to a distant location, e.g., a theater stage. The improved LED light source assembly includes a compact arrangement of three or more LED assemblies, which are mounted at the forward end of an elongated heat pipe. The heat pipe's rearward end attaches to a heat sink mountable on the back side of the lighting fixture's concave reflector, and the heat pipe extends through a central hole in the reflector to position the LED assemblies at or near the concave reflector's focal region. The concave reflector reflects light emitted by the LED assemblies forward to the lighting fixture's lens assembly, which in turn projects a beam of light to a distant location. The LED light engine's configuration allows a significant proportion of the prior lighting fixture to continue to be utilized, leading to substantial cost saving and simplified installation.
    • 描述了一种改进的LED光源组件,其适用于以下类型的现有照明装置的改型:包括凹面反射器,在其反射器的聚焦区域处或其附近位于其上的白炽灯,以及透镜 用于将由反射器反射的光投射到远处的组件,例如剧院舞台。 改进的LED光源组件包括三个或更多个LED组件的紧凑布置,其安装在细长热管的前端。 热管的后端连接到可安装在照明器具的凹面反射器的背面上的散热器,并且热管延伸穿过反射器中的中心孔,以将LED组件定位在凹面反射体的聚焦区域处或其附近。 凹形反射器将由LED组件发射的光向前反射到照明器具的透镜组件,该组件又将一束光投射到远处。 LED光引擎的配置允许现有照明灯具的很大一部分继续被利用,从而大大节省成本并简化安装。
    • 8. 发明授权
    • Method and system for dispensing, tracking and managing pharmaceutical
trial products
    • 配药,跟踪和管理药品试用产品的方法和系统
    • US6055507A
    • 2000-04-25
    • US137095
    • 1998-08-20
    • David W. Cunningham
    • David W. Cunningham
    • G06K17/00G06F159/00
    • G06K17/00G06Q50/22G06Q50/24
    • A new and improved method of dispensing, tracking and managing pharmaceutical product samples by communicatively linking prescribers and pharmacies to a central computing station. The method entails utilizing product trial media that is exchanged for actual pharmaceutical product. The media is encoded with information that identifies a particular pharmaceutical trial product, such as by magnetic encoding similar to that used with credit cards. The media is distributed to participating medical doctors or prescribers who then activate the media via the central computing station. The prescriber then transfers the activated media to patients who then present the media to participating pharmacies. Before filling the pharmaceutical trial product identified by the media, the pharmacy validates the media via a link with the central computing station. Then, the pharmacy dispenses the prescribed pharmaceutical trial product. The central computing station also includes a database that records data related to the use of the media so that all pharmaceutical trial products can be accounted for.
    • 一种新的和改进的方法,通过将处方药和药房通信地连接到中央计算站来分配,跟踪和管理药品样品。 该方法需要使用与实际药品交换的产品试用介质。 媒体用识别特定药物试验产品的信息进行编码,例如通过与用于信用卡的磁编码类似的磁编码。 媒体分发给参与的医生或处方者,然后通过中央计算站激活媒体。 然后,处方者将活化的媒介转移给随后向参与药房提供媒体的患者。 在填写由媒体确定的药学试用产品之前,药房通过与中央计算站的链接来验证媒体。 然后,药店分配处方药试剂。 中央计算站还包括一个数据库,记录与媒体的使用相关的数据,以便所有的药物试验产品都可以被考虑。