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    • 1. 发明授权
    • Compact optical system with turn and color mixing
    • 紧凑的光学系统具有转动和混色
    • US06192176B1
    • 2001-02-20
    • US09027663
    • 1998-02-23
    • William J. CassarlyRichard L. HanslerJohn M. DavenportRichard C. Nagle
    • William J. CassarlyRichard L. HanslerJohn M. DavenportRichard C. Nagle
    • G02B626
    • G02B6/4298B60Q1/0011G02B6/0001G02B6/0006Y10S385/901
    • A compact optical assembly includes a tight bend region that effectively propagates light from a source to an end use while maximizing beam lumens, improving color mixing, and minimizing complexity. A first nonimaging optical component increases the angular distribution of light from the source to an input end of the bend region having a light fiber with a first cross-sectional dimension. A second nonimaging optical component receives light from the bend region and decreases the angular distribution. A light conductor that interconnects the light source to the first nonimaging optical component has a cross-sectional dimension in the plane of the bend region greater than that of the light fiber and, likewise, a second conductor receiving light from the second nonimaging optical component has a cross-sectional dimension in the plane of the bend region greater than the light fiber.
    • 紧凑的光学组件包括有效地将光从源传播到最终用途的紧密弯曲区域,同时最大化光束流明,改善颜色混合并使复杂度最小化。 第一非成像光学部件增加了从具有第一横截面尺寸的具有光纤的弯曲区域的光源到输入端的光的角度分布。 第二非成像光学部件从弯曲区域接收光并减小角度分布。 将光源与第一非成像光学部件互连的光导体在弯曲区域的平面中具有大于光纤的横截面尺寸,并且同样地,接收来自第二非成像光学部件的光的第二导体具有 弯曲区域的平面中的横截面尺寸大于光纤。
    • 2. 发明授权
    • Fluorescent lamp with protected cathode to reduce end darkening
    • 荧光灯带有受保护的阴极,以减少端部变暗
    • US5686795A
    • 1997-11-11
    • US546855
    • 1995-10-23
    • George E. SakoskeJohnson M. KachidzaRichard C. Nagle
    • George E. SakoskeJohnson M. KachidzaRichard C. Nagle
    • H01J61/04H10J61/10
    • H01J61/04H01J61/72
    • A low-pressure mercury vapor discharge lamp (10) includes a tubularly-shaped envelope (12) sealed at each end with a stem assembly (14). A fluorescent coating (26) is disposed on the interior surface of the envelope (12) and an electric discharge sustaining fill gas is provided within a hollow interior (24) of the envelope (12). Each stem assembly (14) includes a glass base portion (30) which seals the end of the envelope (12), an electrode (16), and a tubularly-shaped, light-transmissive, glass shield (22). The electrode (16) is disposed within the envelope (12) such that an electric discharge occurs between the electrodes (16) upon operation of the lamp (10). The glass shield (22) extends past the electrode (16) to partially surround the electrode (16) and shield the interior surface of the envelope (12) from material ejected from the electrode (16). The glass shield (22) allows the electric discharge to unaffectedly pass through an open end (42). Structural variations for supporting the glass shield (22) are also disclosed.
    • 低压汞蒸气放电灯(10)包括在每个端部处封装有杆组件(14)的管状形状的外壳(12)。 荧光涂层(26)设置在外壳(12)的内表面上,并且放电维持填充气体设置在外壳(12)的中空内部(24)内。 每个杆组件(14)包括密封外壳(12)的端部的玻璃基部(30),电极(16)和管状形状的透光玻璃屏蔽(22)。 电极(16)设置在外壳(12)内,使得在灯(10)操作时在电极(16)之间发生放电。 玻璃屏蔽(22)延伸穿过电极(16)以部分地围绕电极(16)并且屏蔽来自电极(16)的材料的外壳(12)的内表面。 玻璃屏蔽(22)允许放电不受影响地穿过开放端(42)。 还公开了用于支撑玻璃罩(22)的结构变化。
    • 3. 发明授权
    • High brightness projection lighting system
    • 高亮度投影照明系统
    • US5636915A
    • 1997-06-10
    • US492358
    • 1995-06-19
    • William J. CassarlyJohn M. DavenportRichard L. HanslerRichard C. Nagle
    • William J. CassarlyJohn M. DavenportRichard L. HanslerRichard C. Nagle
    • F21S8/00F21V8/00
    • G02B6/0006F21W2131/406
    • A light source and optical delivery arrangement for use with a projection lighting system as may be used in the stage and studio fields, includes a high brightness light source which achieves a light output in excess of 4000 lumens at a power rating of approximately 60 watts and wherein such efficiency is achieved in conjunction with a rated life of greater than about 4000 hours for such light source. The light source is disposed at the first optical focal point of an ellipsoidally shaped reflector with an input end of an optical coupler disposed at the second optical focal point of the reflector in order to receive the light output from the light source. The optical coupler member has a cross-sectional surface area which is polygonal in shaped and is effective so as to provide a light output therefrom which is essentially uniform in terms of color and intensity. A prismatic member is disposed on the optical coupler member for re-directing the light output into a lens member. The lens member is effective for shaping the light output into the desired beam pattern.
    • 用于舞台和演播室领域的投影照明系统所使用的光源和光学传送装置包括:高亮度光源,其以约60瓦特的额定功率实现超过4000流明的光输出;以及 其中这种效率结合对于这种光源的大于约4000小时的额定寿命来实现。 光源设置在椭圆形反射器的第一光焦点处,其中光耦合器的输入端设置在反射器的第二光焦点处,以便接收来自光源的光输出。 光耦合器部件具有成形多边形的横截面表面积,并且是有效的,从而提供从它们的颜色和强度基本均匀的光输出。 棱镜构件设置在光耦合器构件上,用于将光输出重新引导到透镜构件中。 透镜构件对于将光输出成形为期望的波束图案是有效的。
    • 4. 发明授权
    • Reverse flared optical coupling member for use with a high brightness
light source
    • 反向扩口光耦合构件,用于高亮度光源
    • US5479545A
    • 1995-12-26
    • US859176
    • 1992-03-27
    • John M. DavenportRichard L. HanslerKenneth S. KingJohn W. Munk, Jr.Richard C. Nagle
    • John M. DavenportRichard L. HanslerKenneth S. KingJohn W. Munk, Jr.Richard C. Nagle
    • G02B6/00F21V8/00G02B6/28G02B6/42G02B27/00G02B6/26
    • G02B6/4298G02B6/0005G02B6/2808Y10S385/901
    • An optical coupling assembly is useful for coupling a source of light, having high brightness and being non-coherent and focussed at a focal plane, to a plurality of optical light conductors. The coupling assembly includes an elongated light transmissive coupling member which has a central longitudinal axis and is disposed between the focal plane of the light source and leading ends of the optical light conductors. The coupling member includes oppositely flared front and rear end portions and a middle portion disposed along the longitudinal axis, with the middle portion extending between and connected to the front and rear end portions. The coupling member can have either a solid or tubular configuration. The middle portion of the coupling member has cylindrical shape and cross-sectional size of uniform dimensions and being less than the respective cross-sectional sizes of an inlet end of the front end portion and an outlet end of the rear end portion. The front end portion of the coupling member can have either a frusto-conical or parabolic shape, whereas the rear end portion can have a frusto-conical or parabolic shape being oriented in the reverse of the frusto-conical or parabolic shape of the front end portion. The rear end portion has a greater axial length than the front end portion and the outlet end of the rear end portion is larger in size than the inlet end of the front end portion.
    • 光耦合组件可用于将具有高亮度且不相干并聚焦在焦平面上的光源耦合到多个光导体。 联接组件包括细长的光透射耦合构件,其具有中心纵向轴线并且设置在光源的焦平面和光导体的前端之间。 联接构件包括相对扩张的前端部和后端部以及沿着纵向轴线设置的中间部分,中间部分在前后端部之间延伸并连接到前端部和后端部。 联接构件可以具有固体或管状构造。 联接构件的中间部分具有圆柱形形状和尺寸均匀的横截面尺寸,并且小于前端部分的入口端和后端部分的出口端的相应横截面尺寸。 联接构件的前端部分可以具有截头圆锥形或抛物线形状,而后端部分可以具有与前端的截头圆锥形或抛物线形状相反的截头圆锥形或抛物线形状 一部分。 后端部具有比前端部更大的轴向长度,并且后端部的出口端的尺寸大于前端部的入口端。