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    Laser drive device, laser light emitting device and laser driving method
    11.
    发明授权
    Laser drive device, laser light emitting device and laser driving method 失效
    激光驱动装置，激光发光装置和激光驱动方法

    公开(公告)号：US07564766B2

    公开(公告)日：2009-07-21

    申请号：US11384248

    申请日：2006-03-21

    Applicant: Yoshiro Takiguchi

    Inventor： Yoshiro Takiguchi

    IPC: G11B7/00

    CPC classification number: H01S5/06825 ,  B23K26/03 ,  B23K26/032 ,  B23K26/705 ,  H01S3/102 ,  H01S3/1305 ,  H01S5/042 ,  H01S5/0683

    Abstract: A laser drive device, a laser light emitting device and a laser driving method capable of preventing deterioration or failure of a laser element due to returned lights by defining a control limitation value taking into account an affection of the returned lights to the laser element by calculating a control limitation value of an output or current of the laser element based on first laser characteristic information on transmittance or reflectance of an output end face of the laser element, second laser characteristic information on a rated output value, or a rated current value and an oscillation threshold current value and third laser characteristic information on a returned light rate to the output end face of the laser element, so that a control limitation value taking into account an affection of the returned light is determined; then, by comparing said calculated control limitation value with an input control value; and driving the laser element in accordance with the control value when the control value is smaller than the control limitation value.

    Abstract translation: 一种激光驱动装置，激光发射装置和激光驱动方法，其能够通过计算返回的光对激光元件的影响来限定控制限制值，从而防止由于返回光而导致的激光元件的劣化或故障 基于关于激光元件的输出端面的透射率或反射率的第一激光特性信息，关于额定输出值的第二激光特性信息或额定电流值的激光元件的输出或电流的控制限制值，以及 振荡阈值电流值和关于返回的光速的第三激光特性信息发送到激光元件的输出端面，从而确定考虑到返回光的影响的控制限制值; 然后，将所述计算出的控制限制值与输入控制值进行比较; 以及当所述控制值小于所述控制限制值时，根据所述控制值驱动所述激光元件。

    Laser diode
    12.
    发明授权
    Laser diode 失效
    激光二极管

    公开(公告)号：US07532654B2

    公开(公告)日：2009-05-12

    申请号：US11123168

    申请日：2005-05-06

    Applicant: Tsunenori Asatsuma ,  Yoshiro Takiguchi ,  Shoji Hirata

    Inventor： Tsunenori Asatsuma ,  Yoshiro Takiguchi ,  Shoji Hirata

    IPC: H01S3/04

    CPC classification number: H01S5/1082 ,  H01S5/0286 ,  H01S5/1014 ,  H01S5/204 ,  H01S5/2063 ,  H01S5/2072 ,  H01S5/2214 ,  H01S5/2231

    Abstract: A laser diode capable of effectively inhibiting effects of return light is provided. A laser diode includes a substrate, and a laminated structure including a first conductive semiconductor layer, an active layer having a light emitting region, and a second conductive semiconductor layer having a projecting part on the surface thereof, on the substrate, wherein a return light inhibition part is provided on a main-emitting-side end face, and effects of return light in the vicinity of lateral boundaries of the light emitting region are inhibited by the return light inhibition part.

    Abstract translation: 提供了能够有效地抑制返回光的效果的激光二极管。 激光二极管包括基板，以及包括第一导电半导体层，具有发光区域的有源层和在其表面上具有突出部分的第二导电半导体层的层压结构，其中返回光 抑制部分设置在主发光侧端面上，并且返回光抑制部分抑制了发光区域的侧边界附近的返回光的影响。

    Projection stereoscopic display
    15.
    发明授权
    Projection stereoscopic display 失效
    投影立体显示

    公开(公告)号：US08451390B2

    公开(公告)日：2013-05-28

    申请号：US12646489

    申请日：2009-12-23

    Applicant: Akio Furukawa ,  Yoshiro Takiguchi

    Inventor： Akio Furukawa ,  Yoshiro Takiguchi

    IPC: G02F1/1335

    CPC classification number: G02B27/26 ,  G02F1/133528

    Abstract: A projection stereoscopic display includes: a stereoscopic display optical system receiving linearly polarized light from the light source and displaying a first picture and a second picture both having binocular parallax by linearly polarized light with polarization directions orthogonal to each other, in which the stereoscopic display optical system includes: a reflective liquid crystal panel modulating and reflecting linearly polarized light from the light source in response to a picture signal, a first polarizing device splitting the first picture from reflected light from the reflective liquid crystal panel, a retardation device converting the polarization direction of the first picture into a direction orthogonal thereto, and a second polarizing device splitting the second picture from reflected light from the reflective liquid crystal panel, and superimposing the second picture on the first picture of which the polarization direction is converted by the retardation device.

    Abstract translation: 投影立体显示器包括：立体显示光学系统，其从所述光源接收线偏振光，并且通过具有彼此正交的偏振方向的线偏振光显示第一图像和第二图像，所述第一图像和第二图像具有双眼视差，其中立体显示光学 系统包括：响应于图像信号调制和反射来自光源的线偏振光的反射型液晶面板，将来自反射型液晶面板的反射光分离第一图像的第一偏振装置，将偏振方向 以及第二偏振装置，将来自反射型液晶面板的反射光分割第二图像，并将第二图像叠加在通过延迟装置转换偏振方向的第一图像上。

    PACKING CONTAINER, METHOD OF PACKING OPTICAL PROBE, LASER SYSTEM, AND CHECKING METHOD
    17.
    发明申请
    PACKING CONTAINER, METHOD OF PACKING OPTICAL PROBE, LASER SYSTEM, AND CHECKING METHOD 失效
    包装容器，包装光学探针的方法，激光系统和检查方法

    公开(公告)号：US20120113414A1

    公开(公告)日：2012-05-10

    申请号：US13285704

    申请日：2011-10-31

    Applicant: Yoshiro Takiguchi

    Inventor： Yoshiro Takiguchi

    IPC: G01J1/00 ,  B23P11/00 ,  H05K5/02

    CPC classification number: A61B1/00144 ,  A61B1/00057 ,  A61B1/00117 ,  A61B5/0059 ,  A61B5/0084 ,  G01J1/4257 ,  G01M11/33 ,  G02B6/4296

    Abstract: Disclosed herein is a packing container including: a packing container body including a leading-out section which contains an optical probe having a first end section for incoming of a laser beam and a second end section for outgoing of the incoming laser beam, which leads out the first end section of the optical probe thus contained to the exterior and which is sealed, and a window section by which the laser beam going out from the second end section of the contained optical probe is led out to the exterior; and a light-transmitting member which closes the window section and permits the laser beam to pass therethrough.

    Abstract translation: 本文公开了一种包装容器，包括：包装容器主体，包括导出部分，其包含具有用于输入激光束的第一端部部分和用于输出激光束的第二端部部分的光学探针， 光学探针的第一端部被包含在外部并被密封，并且将从所容纳的光学探针的第二端部分出射的激光束引出到外部的窗口部分; 以及透光构件，其闭合窗口部分并允许激光束通过。

    Laser drive device, laser light emitting device and laser driving method
    20.
    发明申请
    Laser drive device, laser light emitting device and laser driving method 失效

    公开(公告)号：US20060226129A1

    公开(公告)日：2006-10-12

    申请号：US11384248

    申请日：2006-03-21

    Applicant: Yoshiro Takiguchi

    Inventor： Yoshiro Takiguchi

    IPC: B23K26/00

    CPC classification number: H01S5/06825 ,  B23K26/03 ,  B23K26/032 ,  B23K26/705 ,  H01S3/102 ,  H01S3/1305 ,  H01S5/042 ,  H01S5/0683

    Abstract: A laser drive device, a laser light emitting device and a laser driving method capable of preventing deterioration or failure of a laser element due to returned lights by defining a control limitation value taking into account an affection of the returned lights to the laser element by calculating a control limitation value of an output or current of the laser element based on first laser characteristic information on transmittance or reflectance of an output end face of the laser element, second laser characteristic information on a rated output value, or a rated current value and an oscillation threshold current value and third laser characteristic information on a returned light rate to the output end face of the laser element, so that a control limitation value taking into account an affection of the returned light is determined; then, by comparing said calculated control limitation value with an input control value; and driving the laser element in accordance with the control value when the control value is smaller than the control limitation value.

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