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    • 4. 发明授权
    • Method and apparatus for adjusting the optical alignment of a film
projection system
    • 用于调整胶片投影系统的光学对准的方法和装置
    • US5257051A
    • 1993-10-26
    • US996670
    • 1992-12-24
    • Frederick N. Bushroe
    • Frederick N. Bushroe
    • G01B11/27G03B21/20G03B21/28G02B11/26
    • G01B11/27G03B21/2033G03B21/2046G03B21/208G03B21/28
    • A method and apparatus for adjusting the optical alignment of a film projection system of the type having a film gate with a central opening, a lens mount having lenses optically aligned along an optical axis of the lens mount, a light source and a generally ellipsoidal collector for reflecting light from the light source along an optical axis of the collector. The method and apparatus utilize a laser light source which is inserted in the position normally occupied by the lenses and a beam splitter which splits the beam of laser light into a center beam and two inclined side beams. An intercept sheet is temporarily placed in the path of the center beam and reflections of the side beams from the interior surface of the collector to create images of the center beam and the reflected side beams on the intercept sheet. By adjustment of the position and tilt of the collector, the images of the center beam and the reflected side beams on the intercept sheet can be brought into coincidence, thereby bringing the optical axes of the collector, the film gate and the lens mount into coincidence with a system optical axis in which the illumination is centered upon the opening through the film gate and distributed evenly over it, with the film gate centered with the optical axis of the projection lens assembly.
    • 一种用于调整具有带有中心孔的膜栅的类型的胶片投影系统的光学对准的方法和装置,具有沿透镜安装座的光轴光学排列的透镜的透镜座,光源和大体上椭圆形的集光器 用于沿着收集器的光轴反射来自光源的光。 该方法和装置利用被插入在通常由透镜占据的位置的激光光源和将激光束分成中心光束和两个倾斜侧光束的分束器。 拦截片临时放置在中心光束的路径和来自收集器的内表面的侧光束的反射,以产生中心光束和截获片上的反射侧光束的图像。 通过调整收集器的位置和倾斜度,中心光束和截获片上的反射侧光束的图像可以重合,从而使收集器,胶片门和透镜座的光轴重合 具有系统光轴,其中照明通过膜栅极的开口居中并且均匀地分布在其上,其中膜门以投影透镜组件的光轴为中心。
    • 5. 发明授权
    • User-wearable illumination assembly
    • 用户可佩戴的照明组件
    • US07645050B2
    • 2010-01-12
    • US11562325
    • 2006-11-21
    • Brian L. WiltPatrick ShipleyFrederick N. BushroeKevin Garcia
    • Brian L. WiltPatrick ShipleyFrederick N. BushroeKevin Garcia
    • F21V21/08F21S8/08F21S4/00
    • G02B6/0008
    • A user-wearable illumination assembly comprises a mounting fixture that is adapted to be coupled to a user-wearable device, such as eyeglasses, goggles, face masks, helmets, or other devices. A light guide has a first end that can be coupled to a light source, and a second end coupled to a lens housing that is in turn coupled to the mounting fixture. An optical lens in the lens housing cooperates with the light guide to project light from the light source through the lens. In one embodiment, the lens has a substantially spherical surface facing the second end of the light guide and an aspheric surface facing away from the second end of the light guide. In another embodiment, the mounting fixture comprises articulating portions to permit independent or simultaneous adjustment of the lens housing to direct projected light in a desired direction.
    • 用户佩戴的照明组件包括适于联接到诸如眼镜,护目镜,面罩,头盔或其他装置之类的用户可穿戴装置的安装夹具。 光导具有能够耦合到光源的第一端,以及耦合到透镜壳体的第二端,透镜外壳又连接到安装夹具。 透镜壳中的光学透镜与光导配合,以将来自光源的光投射透镜。 在一个实施例中,透镜具有面向光导的第二端的基本上球形的表面和远离光导的第二端的非球面。 在另一个实施例中,安装夹具包括铰接部分,以允许独立或同时调整透镜壳体以将投射光引导到期望的方向。