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    • 21. 发明授权
    • Display system for displaying information in the viewfinder of a camera
    • 用于在相机的取景器中显示信息的显示系统
    • US5019854A
    • 1991-05-28
    • US406703
    • 1989-09-13
    • Hiromu MukaiKohtaro HayashiYasuo Maeda
    • Hiromu MukaiKohtaro HayashiYasuo Maeda
    • G03B17/20
    • G03B17/20
    • A display system for displaying information in the viewfinder of a camera, capable of displaying a positive pattern indicating a distance measuring area and a light measuring area on a transparent background so that a photographing field can be seen through the transparent background of the pattern. The display system comprises a liquid crystal display of a guest-host type disposed near the focal plane of the optical system of the viewfinder. The liquid crystal display comprises transparent electrodes provided with a pattern indicating distance measuring areas and light measuring areas, a liquid crystal of a cholestericnematic phase transition type having a negative anisotropic dielectric property as host, and a dichroic coloring matter having an anisotropic light absorption property as guest. The pattern having a high opacity is displayed on a transparent background in the viewfinder in a satisfactory contrast to the background.
    • 一种用于在相机的取景器中显示信息的显示系统,其能够在透明背景上显示指示距离测量区域和光测量区域的正图案,使得可以通过图案的透明背景来看到拍摄场。 显示系统包括设置在取景器的光学系统的焦平面附近的宾主型液晶显示器。 液晶显示器包括具有指示距离测量区域和光测量区域的图案的透明电极,具有负的各向异性介电性质的胆甾型向列相变型的液晶作为主体,并且具有各向异性光吸收特性的二色性着色剂为 客人。 具有高不透明度的图案以与背景令人满意的对比度在取景器中的透明背景上显示。
    • 25. 发明授权
    • Display system for displaying information in the viewfinder of a camera
    • 用于在相机的取景器中显示信息的显示系统
    • US5170204A
    • 1992-12-08
    • US694356
    • 1991-05-01
    • Hiromu MukaiKohtaro HayashiYasuo Maeda
    • Hiromu MukaiKohtaro HayashiYasuo Maeda
    • G03B17/20
    • G03B17/20
    • A display system for displaying information in the viewfinder of a camera, capable of displaying a positive pattern indicating a distance measuring area and a light measuring area on a transparent background so that a photographing field can be seen through the transparent background of the pattern. The display system comprises a liquid crystal display of a guest-host type disposed near the focal plane of the optical system of the viewfinder. The liquid crystal display comprises transparent electrodes provided with a pattern indicating distance measuring areas and light measuring areas, a liquid crystal of a cholesteric-nematic phase transition type having a negative anistropic dielectric property as host, and a dichroic coloring matter having an anisotropic light absorption property as guest. The pattern having a high opacity is displayed on a transparent background in the viewfinder in a satisfactory contrast to the background.
    • 一种用于在相机的取景器中显示信息的显示系统,其能够在透明背景上显示指示距离测量区域和光测量区域的正图案,使得可以通过图案的透明背景来看到拍摄场。 显示系统包括设置在取景器的光学系统的焦平面附近的宾主型液晶显示器。 液晶显示器包括设置有指示距离测量区域和光测量区域的图案的透明电极,具有负性静电介电性质的胆甾型向列相变型的液晶作为主体,以及具有各向异性光吸收的二色性着色剂 作为客人的财产。 具有高不透明度的图案以与背景令人满意的对比度在取景器中的透明背景上显示。
    • 26. 发明授权
    • Inner blade member for electric dry shaver
    • 电动干燥剃须刀内刀片
    • US4033034A
    • 1977-07-05
    • US599770
    • 1975-07-28
    • Hirozo ImaiYasuo Maeda
    • Hirozo ImaiYasuo Maeda
    • B26B19/04
    • B26B19/044
    • Electric dry shaver with reciprocally driven inner blade assembly high in uniform contact pressure distribution against outer blade foil accompanying less frictional heat. The inner blade assembly having parallelly spaced arcuate blades on an elongated semicylindrical frame is coupled substantially at both longitudinal ends of the frame to a connector likewise elongated which transmits to the assembly at the both ends a force urging it to the foil and reciprocal vibrating motion for shaving while the force and motion are given to the connector at its center, preventing arcuate bending of the inner blade assembly.
    • 电动干式剃须刀,具有相互驱动的内刀片组件,高度均匀的接触压力分布,抵抗外刀片带有较少的摩擦热。 具有在细长半圆柱形框架上具有平行间隔的弧形叶片的内刀片组件基本上在框架的两个纵向端部处被耦合到同样细长的连接器,其在两端处向组件传递推动其到箔的力和往复振动运动, 剃须时,连接器在其中心处施加力和运动,从而防止内刀片组件的弓形弯曲。