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    • 4. 发明授权
    • Treatment planning apparatus and particle therapy system
    • 治疗计划设备和颗粒治疗系统
    • US08847179B2
    • 2014-09-30
    • US13448553
    • 2012-04-17
    • Shinichiro FujitakaYusuke FujiiRintaro FujimotoKazuo HiramotoHiroshi Akiyama
    • Shinichiro FujitakaYusuke FujiiRintaro FujimotoKazuo HiramotoHiroshi Akiyama
    • G21K5/04A61N5/10
    • A61N5/1043A61N5/1036A61N5/1045A61N2005/1087
    • A charged particle beam reduces treatment time in the uniform scanning or in the conformal layer stacking irradiation. In the uniform scanning, an optimum charged particle beam scan path for uniformly irradiating a collimator aperture area is calculated. In the conformal layer stacking irradiation, an optimum charged particle beam scan path for uniformly irradiating a multi-leaf collimator aperture area of each layer for each of the layers obtained by partitioning the target volume is calculated. Alternatively, a minimum irradiation field size that covers the multi-leaf collimator aperture area of each layer is calculated, and a scan path corresponding to the irradiation field size, prestored in a memory of a particle therapy control apparatus, is selected. The charged particle beam scan path is optimally changed in the lateral directions in conformity with the collimator aperture area in the uniform scanning or in each layer in the conformal layer stacking irradiation.
    • 带电粒子束在均匀扫描或共形层层叠照射中减少处理时间。 在均匀扫描中,计算用于均匀照射准直器孔径面积的最佳带电粒子束扫描路径。 在保形层堆积照射中,计算用于对通过划分目标体积获得的每个层的各层的多叶准直器孔径面均匀地照射的最佳带电粒子束扫描路径。 或者,计算覆盖各层的多叶准直器开口面积的最小照射场尺寸,并且选择预先存储在粒子治疗控制装置的存储器中的与照射场尺寸对应的扫描路径。 带电粒子束扫描路径在均匀扫描中或在共形层堆积照射中每层中的准直器开口面积在横向上最佳地改变。
    • 5. 发明申请
    • COUPLING LENS, ILLUMINATING DEVICE, AND ELECTRONIC DEVICE
    • 耦合透镜,照明装置和电子装置
    • US20110249240A1
    • 2011-10-13
    • US13140732
    • 2009-12-15
    • Yoshitaka TakahashiHiroshi Akiyama
    • Yoshitaka TakahashiHiroshi Akiyama
    • G02B27/12G03B21/14F21V13/04F21V5/04F21V5/02
    • G02B27/0905G02B3/10G02B27/104G02B27/145G02B27/148
    • A coupling lens for coupling first light having a first wavelength from a first light source with a second light having a second wavelength from a second light source disposed adjacent to the first light source in substantially the same direction includes a first surface disposed to face the first and second light sources, the first surface including a first region transmitting the first light and having a first region curvature and a second region transmitting the second light and having a second region curvature, and a second surface opposite to the first surface and having a second-surface curvature. A position of a center of the first region curvature differs from a position of a center of the second region curvature. A center of the second surface curvature and the center of the first region curvature are disposed on an optical axis of the first or second light source.
    • 用于将具有来自第一光源的第一波长的第一光与具有第二波长的第二光耦合的耦合透镜,所述第二光具有与第一光源相邻设置的第二光源基本相同的方向,包括设置成面对第一光源的第一光 和第二光源,所述第一表面包括透射所述第一光并具有第一区域曲率的第一区域和透射所述第二光并具有第二区域曲率的第二区域以及与所述第一表面相对的第二表面,并且具有第二光源 表面曲率。 第一区域曲率的中心的位置与第二区域曲率的中心的位置不同。 第二表面曲率的中心和第一区域曲率的中心设置在第一或第二光源的光轴上。
    • 6. 发明申请
    • PROJECTION-TYPE IMAGE DISPLAYING APPARATUS
    • 投影型图像显示装置
    • US20100302513A1
    • 2010-12-02
    • US12790150
    • 2010-05-28
    • YOSHITAKA TAKAHASHIHiroshi Akiyama
    • YOSHITAKA TAKAHASHIHiroshi Akiyama
    • G03B21/14
    • G03B33/12G03B21/2066
    • A projection-type image display apparatus for displaying an image on a projected plane, includes light sources each configured to emit a light, a light-path combining element configured to combine light paths of the lights each emitted from the light sources, a light path splitting element configured to split the lights on the combined light path into first and second lights, a scanning mirror configured to reflect the first lights to scan the projected plane with the first lights, a light receiving element configured to receive the second lights to detect light amounts of the received second lights, and a control circuit configured to control the scanning mirror to scan an image forming area of the projected plane with the first lights based on image data and control the light sources so as to reproduce a color based on the image data. The control circuit is configured to control the light receiving element to detect the light amounts of the light sources when the image forming area is scanned with the first light, and adjust emitting light amounts of the light sources based on the detected light amounts of the light sources.
    • 一种投影型图像显示装置,用于在投影平面上显示图像,包括各自被配置为发光的光源,光路组合元件,被配置为组合从光源发射的光的光路,光路 分配元件,被配置为将组合光路上的光分成第一和第二光;扫描镜,被配置为反射第一光以用第一光扫描投影平面;光接收元件,被配置为接收第二光以检测光 所接收的第二光的量,以及控制电路,被配置为基于图像数据控制扫描反射镜以第一灯扫描投影平面的图像形成区域并控制光源,以便基于图像再现颜色 数据。 控制电路被配置为当用第一光扫描图像形成区域时,控制光接收元件来检测光源的光量,并且基于检测到的光量调节光量的发光 来源。
    • 8. 再颁专利
    • Optical pickup apparatus
    • 光拾取装置
    • USRE40414E1
    • 2008-07-01
    • US09577006
    • 2000-05-22
    • Yoshitaka TakahashiHiroshi AkiyamaMasami Emoto
    • Yoshitaka TakahashiHiroshi AkiyamaMasami Emoto
    • G11B7/00
    • G11B7/1356G11B7/123G11B7/1359G11B7/22G11B11/10543
    • Small-sized and light-weighted optical pickup apparatus capable of eliminating the effect due to the flaring light rays and performing the signal detection of high reliability is provided.In the apparatus, the quarter-wave (λ/4) plate and the reflection-type birefringent prime provided with the deflecting function of deflecting the reflection light rays reflected on the optical information recording medium and the light rays flux separating function of separating the reflected light rays from the outgoing light rays are disposed in the optical path between the semiconductor laser constructing the optical pickup portion and the objective lens, and the light-receiving element for receiving the reflection light rays from the optical information recording medium which are defleced and separated by the reflection-type birefringent prism is disposed on a single (same) substrate together with the semiconductor laser.
    • 提供了能够消除由于扩张光线引起的影响并执行高可靠性的信号检测的小型和轻量级的光学拾取装置。 在该装置中,四分之一波长(λ/ 4)板和反射型双折射源具有偏转反射光反射的光学信息记录介质上的反射光的偏转功能和分离反射的光线通量分离功能 来自出射光线的光线设置在构成光学拾取部分的半导体激光器和物镜之间的光路中,以及用于接收来自光信息记录介质的反射光线的光接收元件,其被去除和分离 通过反射型双折射棱镜与半导体激光器一起设置在单个(相同)基板上。