LISTONES O CINTAS DE FIBRA OPTICA DE BAJA OBLICUIDAD.

    公开(公告)号:MX9604532A

    公开(公告)日:1997-08-30

    申请号:MX9604532

    申请日:1996-10-02

    Applicant: SIECOR CORP

    Abstract: Una cinta de fibra optica que comprende una pluralidad de fibras opticas aseguradas o incrustadas esencialmente paralelas una con respecto a la otra, las fibras se seleccionan y se procesan de tal manera que la oblicuidad en el tiempo de propagacion optica para señales transmitidas a través de la pluralidad de fibras opticas se reduce al mínimo. Las fibras opticas se seleccionan de la misma traccion y cada una de las fibras opticas tiene un ancho de banda modal mayor que o igual a 800 mhz-km a una longitud de onda de funcionamiento de 1300 nm. La invencion se amplia a las aplicaciones prácticas de la cinta de fibraoptica para incluir transmision paralela sincronica con un producto agregado de distancia de régimen de dato X mayor de 10 Gbit/seg-km.

    MEDICION DE PARAMETROS DE UN LENTE UTILIZANDO SECCIONAMIENTO OPTICO.

    公开(公告)号:MX9604472A

    公开(公告)日:1997-09-30

    申请号:MX9604472

    申请日:1996-09-27

    Abstract: Un arreglo para medir los parámetros deseados de un lente de contacto mediante seccionamiento optico el cual comprende un sostén de apoyo sobre el cual se coloca el lente de contacto. El sostén de apoyo incluye un contenedor en el cual se coloca un pedestal y el contenedor se llena con solucion salina. El lente de contacto se coloca sobre el pedestal sumergido completamente en la solucion salina. Se genera una línea de luz y se dirige haciendo reflexiones y conformando elementos opticos sobre el borde del contenedor y a través de un diámetro seleccionado del lente de contacto. Una cámara de reflexion detecta y forma una imagen de la luz dispersa en las superficies del lente de contacto en el diámetro seleccionado el cual se captura mediante un gancho de marco y se almacena digitalmente durante el procesamiento de imágenes subsecuente y la determinacion de los parámetros deseados del lente de contacto. El análisis provee por lo menos cuatro parámetros básicos del lente de contacto incluyendo el diámetro (D), radio frontal de curvatura (FC), radio posterior de curvatura (BC) y grosor central (CT), y puede proveer también el radio de la curva lenticular, el radio de la curva periférica, la altura sagital, formas no esféricas y desviaciones de las diferentes curvaturas medidas y la potencia del lente.

    Infra-red optical systems
    4.
    发明公开
    Infra-red optical systems 失效
    红外光系统

    公开(公告)号:EP0132345A3

    公开(公告)日:1986-03-12

    申请号:EP84304715

    申请日:1984-07-11

    CPC classification number: H04N5/33 G01J5/06 G05D23/1919

    Abstract: The system relates to a telescope having optics and a scanning head which images a two-dimensional field of view point by point on to a localised thermal sensor. An aperture stop is mounted within the telescope housing and at least part of it is within the field of view of the sensor. The temperature of the stop is controlled by means of Peltier thermo-electric modules so that it corresponds to the average temperature of the external field of view. This prevents halation or blooming which would result from extreme temperature contrasts. The vignetting which occurs when the aperture stop is within the field of view gives an increased magnification for a given size of objective optics, and the benefits outweigh the corresponding reduction in thermal sensitivity.

    Signal element without a lamp
    5.
    发明公开
    Signal element without a lamp 失效
    没有灯的信号元件

    公开(公告)号:EP0027234A3

    公开(公告)日:1982-04-21

    申请号:EP80106051

    申请日:1980-10-06

    CPC classification number: G02B5/00 G02B19/0028 G02B19/0038

    Abstract: Herstellung von Schildern und Rückstrahlern unter Verwendung eines Fluoreszenzkörpers als Lichtsammel vorrichtung, die das Licht großflächig sammelt und in Richtung auf den Beobachter durch Auskoppelstellen (Kerben, aufgedruckte Pigmente) konzentriert wieder abstrahlt.

    Abstract translation: 一种无源显示装置,特别适用于符号和反射器,并且不需要任何光源,其特征在于用于捕获光的装置,然后以增加的强度在给定位置发射截留的光。 用于捕获光的装置包括至少一个具有大于1的折射率或折射率的透明荧光部件,并且包含通过荧光散射收集入射光的荧光颗粒,随后在该部件的边界面上反射,并且该装置具有输出耦合区, 以期望的图案布置在诸如荧光部件的部件之一上,用于以期望的图案将来自装置的光分离。 该装置可以包括磷光颗粒,其在黑暗期间将发光,并且可以通过构件散射或者在非耦合区域施加,使得解耦的光是磷光。 该装置可以包括多于一个会捕获光的构件,并且优选地,所述装置的所有元件将用于捕获光,其中一些构件不含荧光颗粒,而其它构件含有荧光颗粒。

    Radiation collector and reflector
    6.
    发明公开
    Radiation collector and reflector 失效
    辐射收集器和反射器

    公开(公告)号:EP0194820A3

    公开(公告)日:1988-10-19

    申请号:EP86301631

    申请日:1986-03-07

    Abstract: A radiation collector and reflector is described which is formed by reflective specular surfaces and by a central plate , or axis, said central axis coinciding with the axis of the outer concavo-conic specular surface or with a conical axis, whose axis is in turn that of the outer concave specular surface. The specular surfaces are arranged together convergently at variable angles, permitting the radiant energy which strikes the concavity formed by the lateral planes to be concentrated on a plane situated between the exterior surfaces. If the collector has a conical aspect, a tube is situated in the centre of the cone to receive all the radiation. Alternatively, the collector can have two cones or concentric-parallel conical figures in which the radiation striking the exterior conical concavity is reflected on the inner conical convexity and is projected in parallel, concentrated in the same direction as the incident light, parallel to the axes of the two conical figures.

    Abstract translation: 描述了辐射收集器和反射器,其由反射镜面和中心板或轴形成,所述中心轴线与外凹面圆锥镜面的轴线重合,或者具有圆锥轴线,其轴线依次为 外凹面镜面。 镜面以可变角度收敛地排列在一起,允许撞击由侧面形成的凹部的辐射能集中在位于外表面之间的平面上。 如果收集器具有锥形形状,则管位于锥体的中心以接收所有辐射。 或者,收集器可以具有两个锥体或同心平行的锥形图形,其中射入外锥形凹部的辐射在内锥形凸面上反射并且平行投影,集中在与入射光相同的方向上,平行于轴线 的两个圆锥形图。

    Lenticular optical cone
    7.
    发明公开
    Lenticular optical cone 失效
    光纤光学

    公开(公告)号:EP0195566A3

    公开(公告)日:1988-10-12

    申请号:EP86301632

    申请日:1986-03-07

    CPC classification number: G02B5/00 G02B5/001 G02B19/0009 G02B19/0033

    Abstract: Conical lenses of inharmonious, nonparallel surfaces, called lenticular cones, are described. Such cones have two conical surfaces, one concave and the other convex, and their sides are formed by respective cones of different openings. The cone walls are of variable thickness, and can be thinnest near the vertex of the cone, increasing in thickness to a maximum atthe base of the cone, or thickest at the vertex of the cone and decreasing in thickness to a minimum at the base of said cone. Optical objectives formed by lenticular optical cones and/or conical lenses are also described.

    Abstract translation: 描述了不协调的非平行表面的锥形透镜,称为透镜锥体。 这种锥体具有两个锥形表面,一个是凹形的,另一个是凸形的,并且它们的侧面由相应​​的不同开口的锥体形成。 锥形壁的厚度可变,并且可以在锥体的顶点附近最薄,在锥体的基部处的厚度增加到最大值,或者在锥体的顶点处最厚,在基部处的厚度减小到最小 的锥体。 还描述了由透镜光锥和/或锥形透镜形成的光学物镜。

    Astigmatism generator
    8.
    发明公开
    Astigmatism generator 失效
    ASTIGMATISM发电机组发电机

    公开(公告)号:EP0262668A3

    公开(公告)日:1988-07-20

    申请号:EP87114303

    申请日:1987-09-30

    Abstract: An astigmatism generator such as may be used in the pickup of an optical disk player which produces substantially no other aberrations yet which can be manufactured at a low cost. The astigmatism generator is fabricated from a plate (21) having four plane surfaces, including a first surface (22) through which light is introduced,a second surface (23) parallel to the first surface and through which the light exits, and a third surface (24) by which light transmitted thorough the first surface is reflected toward the second surface. The third surface is arranged at an oblique angle (α) to the first and second surfaces and is selected such that almost all coma is eliminated from the light passing through the second surface.

    Optical beam correction system
    10.
    发明公开
    Optical beam correction system 失效
    光束校正系统

    公开(公告)号:EP0220035A3

    公开(公告)日:1987-12-09

    申请号:EP86307884

    申请日:1986-10-13

    Abstract: Correction of the ellipticity of a diode laser beam is achieved by an anamorphic beam expansion prism pair (42,44) that are separated by an angularly rotationally adjustable mirror (46). The first prism of the prism pair is rotationally adjustable to various detent positions about a first axis, and is translatable to various detent positions along a second axis, while the second prism is fixed. The first prism provides some beam expansion and the second prism provides the remainder of the beam expansion. The amount of beam expansion by the first prism is varied by adjustment of its rotation and translation, yet the expanded beam from the first prism exhibits zero positional offset at the location of the rotatable mirror. The mirror is rotated such that the optical axis between the mirror and the second prism is the same for all cases of beam expansion.

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