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    • 45. 发明授权
    • Gas laser
    • 气体激光
    • US5048043A
    • 1991-09-10
    • US564739
    • 1990-08-06
    • Wolfgang WelschHans KruegerKlemens HuebnerRudolf Haeusler
    • Wolfgang WelschHans KruegerKlemens HuebnerRudolf Haeusler
    • H01S3/03
    • H01S3/03
    • In a gas laser having a capillary and a cathode that envelopes the capillary, a fastening of the cathode suitable for batch soldering is achieved in that the cathode is secured to an end piece having a mount for an optical element, and an end of the cathode facing away from the end piece is elastically supported against a housing wall with such a slight spring power that a weight of the unit formed of the cathode, end piece, and mount is adequate for overcoming the friction between the spring and the housing wall. Thus, the end piece with the attached cathode can slide into its final position during soldering solely on the basis of the force of gravity. The invention is particularly suited for helium-neon lasers that are manufactured in glass solder technology.
    • 在具有包围毛细管的毛细管和阴极的气体激光器中,实现适合于批量焊接的阴极的紧固,其中阴极被固定到具有用于光学元件的安装件的端部件,并且阴极的端部 面向远离端部件的弹性支撑件以如此轻微的弹簧力弹性地支撑在壳体壁上,由阴极,端部件和安装座形成的单元的重量足以克服弹簧和壳体壁之间的摩擦。 因此,具有附加阴极的端部件仅在基于重力的基础上在滑动过程中滑入其最终位置。 本发明特别适用于以玻璃焊料技术制造的氦氖激光器。
    • 47. 发明授权
    • Display device with a light valve operated in a time division multiplex
method
    • 具有以时分复用方式操作的光阀的显示装置
    • US4265516A
    • 1981-05-05
    • US014536
    • 1979-02-23
    • Waldemar GreubelHans Krueger
    • Waldemar GreubelHans Krueger
    • G09F9/00G02F1/1335G02F1/13357G02F1/133
    • G02F1/133602G02F2001/133614G02F2001/133618
    • A display device includes a light valve that is operated in a time division multiplex method and a fluorescent plate. The light valve may be a liquid crystal with a steep gradient of the contrast-voltage curve so that more multiplex steps are possible. One method of increasing this gradient is to allow only light from a narrow defined spatial angle range to pass through the light valve. In order to produce the narrow light cone that is desired, the invention proposes utilizing a diffusingly reflective layer, which extends parallel to a surface of the fluorescent plate at a finite distance and preferably, the light outlet or exit window of the plate is a surface provided with a dielectric multiple layer which allows the fluorescent light to emerge only in relatively limited spatial angle range. Preferably, these surfaces are the narrow edges of the fluorescent plate.
    • 显示装置包括以时分复用方式操作的光阀和荧光板。 光阀可以是具有对比度 - 电压曲线的陡峭梯度的液晶,使得更多的多路复用步骤是可能的。 增加该梯度的一种方法是仅允许来自狭窄的限定空间角度范围的光通过光阀。 为了产生所需的窄光锥,本发明提出了利用扩散反射层,该扩散反射层在有限距离处平行于荧光板的表面延伸,并且优选地,板的光出射或出射窗口是表面 设置有电介质多层,其允许荧光仅在相对有限的空间角度范围内出现。 优选地,这些表面是荧光板的窄边缘。
    • 50. 发明授权
    • Compound indicator device containing at least one liquid crystal cell
    • US4054368A
    • 1977-10-18
    • US545107
    • 1975-01-29
    • Hans KruegerWolfgang Welsch
    • Hans KruegerWolfgang Welsch
    • G02F1/13357G02F1/1345G02F1/1347G02F1/139G02F1/13
    • G02F1/13471G02F1/1345G02F1/1347G02F1/13725G02F1/1336
    • An indicator device which has two sealed chambers which are formed by at least one carrier member interposed between a pair of glass plate members to provide a tandem arrangement in the direction of travel of light in the device, characterized by at least one of the chambers containing a liquid crystal layer and being provided with transparent conductive material on the walls thereof to form a liquid crystal cell. In one embodiment one liquid crystal cell is a rotation cell and the other is a DAP cell which cells can be activated to give multi-colored indications. In a second embodiment of the invention, one of the cells is a rotation cell and the other is a polarizing cell which enables giving a colored indication on a colored background or a white indication on a black background. In a third embodiment, both cells are rotational cells with a different angle of rotation and the carrier member consists of a birefringent material which enables indications of at least four different colors. In a fourth embodiment, each conductive layer of each cell is separated in two parts by a continuous interruption in the layer so by selectively applying voltage to different parts, at least four different symbols or shapes can be indicated. In a fifth embodiment, each of the cells is a rotational cell of approximately 45.degree. and the electrode pattern of each cell is a matrix of strips extending perpendicular to each other so that the time required for indicating an image on the device is reduced. In a sixth embodiment, the conductive layers of each cell are arranged as a segment electrode pattern with the segment being subdivided into partial segments with one partial segment being in one cell and the remaining partial segment in the second cell to enable determining errors in actuation of various segments during an indication. In a seventh embodiment, the liquid crystal cells are arranged in tandem one behind the other so that either by separately actuating the electrodes of each cell a sign or symbol can be produced without undesirable cross points or by sequentially activating the electrodes of each cell, a partial image can be produced in each cell to create a moving image on the device. In the eighth embodiment, one of the cells is provided with a reflective layer by either depositing from a silver-ammonium complex or by printing with a silver compound onto a surface of the chamber to provide a reflecting chamber which enables operation of the remaining cells in a reflective mode. In a final embodiment, an electrochemical luminescence layer is provided in one cell to provide an illuminating background for indications produced on the other cell.