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    • 8. 发明申请
    • OPTICAL DISPLACEMENT DETECTION APPARATUS
    • 光学位移检测装置
    • US20120126103A1
    • 2012-05-24
    • US13359676
    • 2012-01-27
    • Eiji YAMAMOTOAiko YOSHIDA
    • Eiji YAMAMOTOAiko YOSHIDA
    • G01D5/347
    • G01D5/347
    • An optical displacement detection apparatus includes a scale and a sensor head. The scale has a first and second pattern. The head includes a first photodetector that detects a beam through the first pattern and generates a first signal, and a second photodetector that detects the beam through the second pattern and generates a second signal. The first and second signals include a first component, and a second component that corresponds to an absolute displacement of the scale. The first pattern, the second pattern, the first photodetector, the second photodetector, and a beam source are disposed such that the detection of the first photodetector and the detection of the second photodetector are performed correlatively.
    • 光学位移检测装置包括刻度尺和传感器头。 规模具有第一和第二模式。 头包括第一光电检测器,其检测通过第一图案的光束并产生第一信号;以及第二光电检测器,其通过第二图案检测光束并产生第二信号。 第一和第二信号包括第一分量和对应于标尺的绝对位移的第二分量。 第一图案,第二图案,第一光电检测器,第二光电检测器和光束源被布置为使得相关地执行第一光电检测器的检测和第二光电检测器的检测。
    • 10. 发明授权
    • Liquid crystal composition and anisotropic material
    • 液晶组成和各向异性材料
    • US07575696B2
    • 2009-08-18
    • US11829268
    • 2007-07-27
    • Aiko YoshidaShigeki UehiraHiroshi Takeuchi
    • Aiko YoshidaShigeki UehiraHiroshi Takeuchi
    • C09K19/38C09K19/52C09K19/54
    • C09K19/3475C09K2019/0448
    • A liquid crystal composition, containing a compound represented by formula (I) and a compound represented by formula (II); and an anisotropic material containing the liquid crystal composition: Q1-SP1-X1-MG-X2-SP2-Q2  Formula (I) wherein, Q1 and Q2 represent a polymerizable group, SP1 and SP2 represent a spacer group, X1 and X2 represent a linking group, MG represents a mesogen group, Ra, Rb and Rc represent -L1-R1, -L2-R2 or —NHR, at least one of Ra, Rb and Rc is —NHR, L1 and L2 represent a single bond or a divalent linking group, R1 and R2 represent a hydrogen atom or a substituent, and R represents a group having a polymerizable group.
    • 含有式(I)表示的化合物和式(II)表示的化合物的液晶组合物; 和含有液晶组合物的各向异性材料:<?in-line-formula description =“In-line formula”end =“lead”?> Q1-SP1-X1-MG-X2-SP2-Q2式(I) 其中,Q1和Q2表示可聚合基团,SP1和SP2表示间隔基团,X1表示连接基团,X2表示连接基团,MG表示 介晶基,Ra,Rb和Rc表示-L1-R1,-L2-R2或-NHR,Ra,Rb和Rc中的至少一个是-NHR,L1和L2表示单键或二价连接基团,R1和 R2表示氢原子或取代基,R表示具有可聚合基团的基团。