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    • 133. 发明授权
    • Trimming circuit for a physical quantity sensor
    • 物理量传感器的微调电路
    • US06718275B2
    • 2004-04-06
    • US10095081
    • 2002-03-12
    • Kazuyoshi NagaseHiroshi Nomura
    • Kazuyoshi NagaseHiroshi Nomura
    • G11C700
    • G01D3/022
    • A trimming circuit includes a signal separation circuit for separating an input signal into a clock signal, a reset signal, a data signal, and a memory writing voltage signal in accordance with voltage levels. The memory circuit in the trimming voltage control circuit has at least first and second different error correction circuits. The first error correction circuit has a higher error correction capability but lower input-per-output bit efficiency than the second error correction circuit to correct important data such as a highest bit inputted to a D/A converter. The second error correction circuit such as SEC has a higher input-per-output bit efficiency than the first error correction circuit to correct data with an error correction code. The lowest or second lowest input bits are directly supplied to the D/A converter without error correction.
    • 修整电路包括用于根据电压电平将输入信号分离成时钟信号,复位信号,数据信号和存储器写入电压信号的信号分离电路。 微调电压控制电路中的存储电路至少具有第一和第二不同的纠错电路。 第一纠错电路具有比第二误差校正电路更高的纠错能力,但是输出比输出比特率更低,以校正诸如输入到D / A转换器的最高位的重要数据。 诸如SEC的第二纠错电路具有比第一误差校正电路更高的输入/输出比特效率,以用纠错码纠正数据。 最低或最低的输入位直接提供给D / A转换器,无误差校正。
    • 134. 发明授权
    • Evaluation mask, focus measuring method and aberration measuring method
    • 评估面膜,聚焦测量方法和像差测量方法
    • US06674511B2
    • 2004-01-06
    • US09923443
    • 2001-08-08
    • Hiroshi NomuraKenji Konomi
    • Hiroshi NomuraKenji Konomi
    • G03B2752
    • G03F7/706G03F7/70641
    • An evaluation mask for evaluating a projection-type exposure apparatus, the mask including at least one diffraction grating pattern for producing a diffracted light of the positive first-order and a diffracted light of negative first-order, diffraction efficiencies of the diffracted lights being different respectively, one of the diffracted lights having a magnitude that is zero, and an image of the at least one diffraction grating pattern being projected onto a test substrate by the projection-type exposure apparatus, and a reference pattern for obtaining a reference image to measure a displacement of the image of the diffraction grating pattern, and an image of the reference pattern being projected onto the test substrate or the image detector by the projection-type exposure apparatus, wherein the images of the diffraction grating pattern and the reference pattern projected onto the test substrate or the image detector are used for evaluating the projection-type exposure apparatus.
    • 用于评估投影型曝光装置的评估掩模,所述掩模包括至少一个用于产生正一级的衍射光的衍射光栅图案和负一级的衍射光,衍射光的衍射效率不同 分别具有大小为零的衍射光中的一个,并且通过投影型曝光装置将至少一个衍射光栅图案的图像投影到测试基板上,以及用于获得用于测量的参考图像的参考图案 衍射光栅图案的图像的位移和通过投影型曝光装置投影到测试基板或图像检测器上的参考图案的图像,其中衍射光栅图案和参考图案的图像投影到 使用测试基板或图像检测器来评估投影型曝光装置。
    • 135. 发明授权
    • Lens barrel
    • 镜筒
    • US06661970B2
    • 2003-12-09
    • US10283282
    • 2002-10-30
    • Hiroshi NomuraTakamitsu SasakiKazunori Ishizuka
    • Hiroshi NomuraTakamitsu SasakiKazunori Ishizuka
    • G03B500
    • G02B7/08
    • A lens barrel includes an optical system having front and rear lens groups; a front lens frame which supports the front lens group; a rear lens frame which supports the rear lens group; a lens frame drive mechanism for driving the front and rear lens frames, and allows the rear lens frame to rotate relative to the front lens frame or move together in the optical axis direction while preventing relative rotation therebetween; a shutter unit having a shutter and a flexible printed wiring board, the shutter unit being relatively rotatable to, and movable together with, the rear lens frame in the optical axis direction; and a shutter unit guide mechanism for linearly guiding the shutter unit in the optical axis direction without rotating the shutter unit regardless of whether the rear lens frame rotates relative to the front lens frame.
    • 透镜镜筒包括具有前透镜组和后透镜组的光学系统; 支撑前透镜组的前透镜框; 支撑后透镜组的后透镜框; 用于驱动前透镜框和后透镜框的透镜框架驱动机构,并且允许后透镜框相对于前透镜框旋转或者在光轴方向上一起移动,同时防止其间的相对旋转; 具有快门和柔性印刷线路板的快门单元,所述快门单元可相对于所述后透镜框在所述光轴方向上相对旋转并与所述后透镜框一起移动; 以及用于在光轴方向线性地引导快门单元而不旋转快门单元的快门单元引导机构,而不管后透镜框是否相对于前透镜框旋转。
    • 137. 发明授权
    • Movable lens hood mechanism of a zoom lens
    • 变焦镜头的可移动镜头遮光罩机构
    • US06657794B2
    • 2003-12-02
    • US09772872
    • 2001-01-31
    • Hiroshi NomuraNobuaki AokiYoshihiro YamazakiSatoru Nakamura
    • Hiroshi NomuraNobuaki AokiYoshihiro YamazakiSatoru Nakamura
    • G02B1514
    • G02B7/10
    • A movable lens hood mechanism of a zoom lens includes a plurality of lens groups guided linearly in a direction of an optical axis to change a focal length of the zoom lens; a first cam barrel rotatably driven to move the plurality of lens groups in the optical axis direction; a movable hood barrel having a photographic aperture positioned in front of the frontmost lens group and guided linearly in the optical axis direction; and a feed mechanism which drives the movable hood barrel forward/rearward in the optical axis direction relative to the frontmost lens group by rotation of the first cam barrel so that a space between the photographic aperture of the movable lens hood and the frontmost lens group in the optical axis direction varies in accordance with a variation of a focal length of the zoom lens.
    • 变焦透镜的可移动透镜罩机构包括沿光轴方向线性引导的多个透镜组,以改变变焦透镜的焦距; 第一凸轮筒,其被可旋转地驱动以在所述光轴方向上移动所述多个透镜组; 可移动的罩筒,具有位于最前面的透镜组的前方并沿光轴方向直线引导的照相孔; 以及馈送机构,其通过第一凸轮筒的旋转而相对于最前面的透镜组在光轴方向上向前/向后驱动可动罩筒,使得可移动透镜罩的照相孔与最前面的透镜组之间的空间 光轴方向根据变焦透镜的焦距的变化而变化。
    • 140. 发明授权
    • Mechanism for rotating a cam barrel of a zoom lens
    • 旋转变焦镜头凸轮筒的机构
    • US06549341B2
    • 2003-04-15
    • US09774113
    • 2001-01-31
    • Hiroshi NomuraNobuaki AokiYoshihiro YamazakiSatoru Nakamura
    • Hiroshi NomuraNobuaki AokiYoshihiro YamazakiSatoru Nakamura
    • G02B1514
    • G02B7/102
    • A cam barrel rotating mechanism of a zoom lens includes a plurality of lens groups guided in a direction of an optical axis without rotating about the optical axis to change a focal length of the zoom lens; a cam barrel rotatably supported to move the plurality of lens groups in the optical axis direction; a rotational barrel positioned around the cam barrel, the rotational barrel being rotatably driven; a plurality of rotation transmission grooves formed on an outer peripheral surface of the cam barrel, at an equi-angular intervals, extending parallel to the optical axis; and a plurality of inward projections formed on an inner peripheral surface of the rotational barrel to be engaged in the plurality of rotation transmission grooves, respectively.
    • 变焦透镜的凸轮筒旋转机构包括沿光轴方向引导的多个透镜组,而不围绕光轴旋转以改变变焦透镜的焦距; 可旋转地支撑以在所述光轴方向上移动所述多个透镜组的凸轮筒; 围绕所述凸轮筒定位的旋转筒,所述旋转筒被可旋转地驱动; 在所述凸轮筒的外周面上以与所述光轴平行延伸的等角度间隔形成的多个旋转传递槽; 以及分别形成在所述旋转筒的内周面上的多个向内突起,以分别接合在所述多个旋转传递槽中。