公开(公告)号：WO1984004821A1

公开(公告)日：1984-12-06

申请号：PCT/US1984000734

申请日：1984-05-11

Applicant: INCOM, INC.

Inventor： INCOM, INC. ,  JESKEY, Richard, V.

IPC: G02B05/00

CPC classification number: C03B37/01214 ,  C03B23/207 ,  C03B2203/22 ,  C03B2203/40 ,  G02B5/00 ,  G02B5/005 ,  G02B6/0001 ,  G02B6/06 ,  Y10S359/90

Abstract: A radiation conducting conduit functions as an off-axis filter and contrast enhancer for an imaging device. A core of transparent glass has an axis aligned with the line of sight of the device. Cladding is provided which has the same index of refraction and co-efficient of thermal expansion as the core glass, except that a small percentage of the cladding glass is made of thin fibers or leaves of absorbing glass aligned substantially radially to the axis of the conduit and distributed randomly in the volume of the cladding. The interface between the core glass and the cladding glass of the same composition does not involve reflection or refraction, and non-axial light passes through the interface and is trapped among the absorbing black fibers. There, it is reflected and diminuated until it is totally absorbed. The conduit may be formed by the steps of: forming a flat sheet of glass containing random parallel fibers or leaves of absorbing glass, cutting the sheet into beveled strips, assembling the strips into a cylindrical configuration with the absorbing elements extending radially of the axis, inserting a core of transparent glass, and fusing the assembly and core together.

公开(公告)号：WO1983001122A1

公开(公告)日：1983-03-31

申请号：PCT/DE1982000204

申请日：1982-09-20

Applicant: SIEMENS AKTIENGESELLSCHAFT ,  BARTENBACH, Christian

Inventor： SIEMENS AKTIENGESELLSCHAFT ,  BARTENBACH, Christian

IPC: G02B05/00

CPC classification number: E06B9/24 ,  E06B2009/2417 ,  G02B5/045

Abstract: Known devices of this type have orientable slats of translucid material with, on the inside, a plurality of conical prisms. With such an arrangement, the closure field obtained is more or less circular and, as a consequence, the daylight penetration is unfavorable while it is necessary to provide for an additional orientation during the day. The device according to the invention has, compared to known devices, better transparence characteristics to daylight without requiring to adjust the orientation during the day and with little adjustement throughout the year. To this effect, the slats (1) orientable along their horizontal axes (L) are of a simple construction, and are provided on their inner surfaces with prismatic bars (10) parallel to the longitudinal axes (L) and having on the outer surface a flat base face (11). The surfaces on the sides of the right angle of the prismatic bar (12, 13) are free of reflecting layers and form an angle of 90 .

Abstract translation: 这种类型的已知装置具有可取向的切片材料板条，其内部具有多个锥形棱镜。 通过这样的安排，所获得的封闭区域或多或少是圆形的，因此，日光穿透是不利的，而有必要在白天提供额外的取向。 根据本发明的装置与已知装置相比具有对日光的更好的透明特性，而不需要在白天调整取向并且在全年内几乎没有调整。 为此，沿着其水平轴线（L）可定向的板条（1）具有简单的结构，并且在其内表面上设置有平行于纵向轴线（L）的棱柱形（10）并且具有在外表面 平坦的基面（11）。 棱柱杆（12,13）直角侧面的表面没有反射层并形成90°的角度。

公开(公告)号：WO1982003465A1

公开(公告)日：1982-10-14

申请号：PCT/JP1982000103

申请日：1982-04-05

Applicant: NEGISHI MASATAKA

IPC: G02B05/00

CPC classification number: G02B5/045

Abstract: Plate for removing surface reflections from the visual field, which removes external light from outside the visual field of a person seeing an object, by setting the plate in front of the object such as a meter in a car, a measuring instruments, the screen of a TV, a show window, a photograph or the like. The front- and back-faces of the plate have a corrugated surface like a chain of small prisms, so that any coloring or image shift caused by color resolution is reduced, in addition to the above effect of removing external light from the visual field.

Abstract translation: 用于从视野去除表面反射的板，其通过将板放置在诸如汽车中的仪表之类的物体前面，将测量仪器，测量仪器，屏幕 电视，展示窗，照片等。 板的前表面和背面具有像小棱镜链一样的波纹状表面，除了上述除去视野外的光的效果之外，减少了由颜色分辨率引起的任何着色或图像偏移。