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    • 22. 发明授权
    • Monitoring and control apparatus
    • 监控装置
    • US08204608B2
    • 2012-06-19
    • US12777727
    • 2010-05-11
    • Masahiro Saito
    • Masahiro Saito
    • G06F19/00G05B11/01
    • G05B23/0213
    • A plant monitoring and control apparatus having a function to simulate an object to be monitored and controlled for verifying healthiness of a control processing unit is provided with an input separating operation unit and an output separating operation unit which separate DI data and DO data handled by the control processing unit by transforming the DI data and the DO data into a label format differing from a label format of PDI data and PDO data which are related to input and output between the object to be monitored and controlled and the plant monitoring and control apparatus. In test mode, a switching unit switches an input device of the control processing unit and an output device thereof to a simulator unit provided within the plant monitoring and control apparatus.
    • 具有模拟要监视和控制用于验证控制处理单元的健康状况的功能的工厂监视和控制装置设置有输入分离操作单元和输出分离操作单元,其分离由数据处理单元处理的DI数据和DO数据 控制处理单元,通过将DI数据和DO数据变换成与PDI数据和PDO数据的标签格式不同的标签格式,该标签格式与要监视和控制的对象与工厂监视和控制装置之间的输入和输出相关。 在测试模式中,切换单元将控制处理单元的输入设备及其输出设备切换到设备监视和控制设备内的模拟器单元。
    • 23. 发明申请
    • Light Source Device and Projector
    • 光源设备和投影机
    • US20110216285A1
    • 2011-09-08
    • US13035491
    • 2011-02-25
    • Masahiro SaitoKeisuke SakagamiTakahiro Miyata
    • Masahiro SaitoKeisuke SakagamiTakahiro Miyata
    • G03B21/16H01J7/24F21V29/00
    • G03B21/16F21V29/00G03B21/2026H01J7/24H01J61/52
    • Alight source device includes: a light emission portion; a cooling channel configured to guide air toward the light emission portion; a rotational member disposed within the cooling channel in such a condition as to be rotatable around a predetermined rotation shaft by gravity, and configured to switch the cooling channel to a first channel branched from the cooling channel in the downstream when the light source device is set in a first position, and to a second channel different from the first channel when the light source device is set in a second position, wherein a position of the center of gravity of the rotational member is located at a position shifted from the center between the rotation shaft and an end of the rotational member away from the rotation shaft toward the end.
    • 光源装置包括:发光部分; 冷却通道,其构造成朝向所述发光部引导空气; 旋转构件,其设置在所述冷却通道内,以能够通过重力围绕预定旋转轴旋转的状态,并且被配置为当所述光源装置被设定时将所述冷却通道切换到从所述下游的冷却通道分支的第一通道 在第一位置处,并且当光源装置设置在第二位置时,到不同于第一通道的第二通道,其中,旋转构件的重心位置位于从第二通道 旋转轴和旋转构件的端部远离旋转轴朝向端部。
    • 28. 发明授权
    • Optical pickup and optical disc apparatus
    • 光拾取和光盘装置
    • US07729228B2
    • 2010-06-01
    • US11495740
    • 2006-07-31
    • Masahiro Saito
    • Masahiro Saito
    • G11B7/00
    • G02B27/42G02B27/4238G02B27/4294G11B7/1353G11B2007/0006
    • An optical pickup which includes first to third light sources each emitting a light beam each having a first to third wavelength; an objective lens condensing each of the light beams emitted from the light sources on a signal recording face of an optical disc; a collimator lens provided between the light sources and the objective lens to convert a divergent angle of each of the light beams emitted from the light sources so as to obtain a parallel light beam; and a diffractive optical element provided between the collimator lens and the objective lens. The diffractive optical element includes first and second diffractive parts which respectively diffract the light beam having the second wavelength and the third wavelength. The second diffractive part has a diffraction structure formed by a plurality of concentric ring zones, having first to fourth optical faces, each having a different height in an optical axis direction.
    • 一种光拾取器,包括第一至第三光源,每个光源发射各自具有第一至第三波长的光束; 物镜,将从光源发射的每个光束聚光在光盘的信号记录面上; 设置在光源和物镜之间的准直透镜,用于转换从光源发射的每个光束的发散角,以获得平行光束; 以及设置在准直透镜和物镜之间的衍射光学元件。 衍射光学元件包括分别衍射具有第二波长和第三波长的光束的第一和第二衍射部分。 第二衍射部具有通过多个同心圆环形成的衍射结构,具有第一至第四光学面,各自在光轴方向上具有不同的高度。