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    • 5. 发明公开
    • Lighting system for increasing brightness to a light guide
    • Beleuchtungssystem zurErhöhungder Helligkeit in einem Wellenleiter。
    • EP0660032A1
    • 1995-06-28
    • EP94308585.2
    • 1994-11-21
    • GENERAL ELECTRIC COMPANY
    • Davenport, John MartinAllen, Gary RobertHansler, Richard LowellParham, Thomas Gene
    • F21V8/00G02B6/42B60Q1/00
    • G02B6/4298
    • A light source (10) includes an integral reflective coating (50) on a portion of its envelope for reflecting light back through the source. The light from the source is directed by a reflector (12) toward a focus thereof (38) at which is located an input end of a light guide (14). The integral reflective coating allows a half ellipsoidal reflector (12) to be used in one embodiment without depreciable loss of light. Accordingly, a pair of light sources (10a,10b) can be arranged with a common focus (52) to substantially double the brightness in the light guide. Alternatively, the light sources can provide a primary and redundant arrangement, or used to provide two levels of light in another arrangement. According to another embodiment, a hemispherical reflector is used to obtain unit magnification and increase the angular range through which light may enter the light guide.
    • 光源(10)包括在其外壳的一部分上的整体反射涂层(50),用于将光反射回源。 来自光源的光由反射器(12)引向其焦点(38),在该对焦处位于光导(14)的输入端。 整体反射涂层允许在一个实施例中使用半椭圆反射器(12),而不会损坏光。 因此,一对光源(10a,10b)可以布置有共同的焦点(52),以使光导中的亮度大致加倍。 或者,光源可以提供主要和冗余布置,或者用于在另一布置中提供两级光。 根据另一个实施例,使用半球形反射器来获得单位放大率并增加光可以进入光导的角度范围。
    • 10. 发明公开
    • Light transmission device
    • Lichtübertragungsvorrichtung。
    • EP0468723A1
    • 1992-01-29
    • EP91306656.9
    • 1991-07-22
    • GENERAL ELECTRIC COMPANY
    • Davenport, John MartinHansler, Richard LowellFinch, William WalterHenkes, John LawrenceJohnson, Jeffrey Donald
    • G02B6/04F21V8/00
    • G02B6/403G02B6/4298Y10S385/901
    • This coupling means comprises a sleeve (50) containing a bore (52) in which is located a bundle of optical fibers (16), at least some of which are of compression-deformable material. The input ends of the fibers, which receive light from a light source, are located in a predetermined plane (67). The bore tapers from a relatively large diameter at a location in a second plane spaced from said predetermined plane to a relatively small diameter at said predetermined plane. The tapered bore is of such a size that the optical fibers therein are laterally compressed and the compression-deformable fibers are so deformed in transverse cross-section relative to their normal cross-sections that the fibers more completely fill the bore in its relatively small diameter region than in said second plane.
    • 该联接装置包括一个套筒(50),该套筒(50)包含孔(52),其中位于一束光纤(16)中,其中至少一些是可压缩变形的材料。 从光源接收光的纤维的输入端位于预定平面(67)中。 所述孔从在所述预定平面间隔开的第二平面中的位置处的相对大的直径逐渐变细到所述预定平面处的相对较小的直径。 锥形孔的尺寸使得其中的光纤被横向压缩,并且可压缩变形的纤维相对于其正常横截面在横截面上变形,使得纤维更完全地以相对较小的直径填充孔 区域比在所述第二平面中。