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    • 1. 发明申请
    • Zoom lens
    • 变焦镜头
    • US20080212203A1
    • 2008-09-04
    • US12073018
    • 2008-02-28
    • Hironori TaguchiHiroyuki TairaYuko Watanabe
    • Hironori TaguchiHiroyuki TairaYuko Watanabe
    • G02B15/14
    • G02B15/177
    • A zoom lens includes a first and a second lens group respectively having negative and positive refractive power, and changes a focal length by changing a distance between the first and the second lens group. The second lens group includes a first lens having positive refractive power and a convex surface, a second lens having positive refractive power, an aspheric surface, and a convex surface, a third lens having negative refractive power, a fourth lens having positive refractive power, and a fifth lens including one lens or more having positive refractive power. The third and the fourth lenses are connected, and the zoom lens satisfies Nd21>1.8 and νd24>80, where Nd21 is a refractive index of the first lens of the second lens group at a d-line, and νd24 is an Abbe number of the fourth lens of the second lens group at a d-line.
    • 变焦透镜包括分别具有负和正折射光焦度的第一透镜组和第二透镜组,并且通过改变第一透镜组和第二透镜组之间的距离来改变焦距。 第二透镜组包括具有正折光力和凸面的第一透镜,具有正屈光力的第二透镜,非球面和凸面,具有负屈光力的第三透镜,具有正屈光力的第四透镜, 以及包括具有正屈光力的一个以上的透镜的第五透镜。 连接第三透镜和第四透镜,并且变焦透镜满足Nd 21< 21> 1.8和n 22 80,其中Nd 21 第二透镜组的第一透镜在d线处的折射率和第二透镜组的第四透镜的阿贝数在d线处。
    • 2. 发明授权
    • Zoom lens
    • 变焦镜头
    • US07652827B2
    • 2010-01-26
    • US12073018
    • 2008-02-28
    • Hironori TaguchiHiroyuki TairaYuko Watanabe
    • Hironori TaguchiHiroyuki TairaYuko Watanabe
    • G02B15/14
    • G02B15/177
    • A zoom lens includes a first and a second lens group respectively having negative and positive refractive power, and changes a focal length by changing a distance between the first and the second lens group. The second lens group includes a first lens having positive refractive power and a convex surface, a second lens having positive refractive power, an aspheric surface, and a convex surface, a third lens having negative refractive power, a fourth lens having positive refractive power, and a fifth lens including one lens or more having positive refractive power. The third and the fourth lenses are connected, and the zoom lens satisfies Nd21>1.8 and νd24>80, where Nd21 is a refractive index of the first lens of the second lens group at a d-line, and νd24 is an Abbe number of the fourth lens of the second lens group at a d-line.
    • 变焦透镜包括分别具有负和正折射光焦度的第一透镜组和第二透镜组,并且通过改变第一透镜组和第二透镜组之间的距离来改变焦距。 第二透镜组包括具有正折光力和凸面的第一透镜,具有正屈光力的第二透镜,非球面和凸面,具有负屈光力的第三透镜,具有正屈光力的第四透镜, 以及包括具有正屈光力的一个以上的透镜的第五透镜。 连接第三透镜和第四透镜,并且变焦透镜满足Nd21> 1.8和nud24> 80,其中Nd21是第二透镜组的第一透镜在d线处的折射率,而nud24是阿卜数 第二透镜组的第四透镜在d线处。
    • 3. 发明授权
    • Chromatic aberration compensating image optics
    • 色差补偿图像光学
    • US08014081B2
    • 2011-09-06
    • US11500985
    • 2006-08-09
    • Yuko WatanabeTakashi SakamotoHiroyuki TairaSeigou Nakai
    • Yuko WatanabeTakashi SakamotoHiroyuki TairaSeigou Nakai
    • G02B9/08
    • G02B27/0025
    • An imaging optics capable of compensating for chromatic aberration is provided with a light shielding means in a surface peripheral area of a certain lens element in a lens system so as to block a light flux of a specified wavelength range, thereby eliminating chromatic aberration in halo of the light flux of the specified wavelength range when it passes the periphery of the lens system. Thus, the invention provides the imaging optics that, without an increase in the number of pieces of lens elements and without a use of an expensive specified low-dispersion glass material, in contrast with the prior art imaging optics of the same optical performances, well compensates for chromatic aberration, especially, in halo.
    • 能够补偿色像差的成像光学元件在透镜系统中的特定透镜元件的表面周边区域中设置有遮光装置,以阻挡特定波长范围的光束,从而消除光晕中的色差 当通过透镜系统的周边时,指定波长范围的光通量。 因此,本发明提供了成像光学器件,与现有技术的相同光学性能的成像光学器件相比,在不增加透镜元件数量并且不使用昂贵的指定的低分散玻璃材料的情况下, 补偿色差,特别是在光晕中。
    • 5. 发明授权
    • Name retrieval method and name retrieval apparatus
    • 名称检索方法和名称检索装置
    • US08306968B2
    • 2012-11-06
    • US13218042
    • 2011-08-25
    • Kazuomi ChibaYuko Watanabe
    • Kazuomi ChibaYuko Watanabe
    • G06F17/30
    • G06F17/30637
    • Name retrieval methods and name retrieval apparatuses that detect retrieval-target names that are representable as character strings including a ligature taking arbitrary property of a ligature into consideration in both a case where the ligature is input, and a case where the series of characters corresponding to the ligature is input, are provided so that convenience and reliability of name retrieval are improved. When a specific ligature is input, the specific ligature is converted into the series of characters corresponding to the specific ligature in accordance with the corresponding relationship TB stored in a storage device M, and specific retrieval-target names that include the series of characters obtained by the conversion in an input position of the specific ligature and an arrangement position of the series of characters corresponding to the number of coupled characters are retrieved from a database DB by character-string matching.
    • 名称检索方法和名称检索装置,其检测作为字符串表示的检索对象名称,包括在输入连字的情况下考虑到连字的任意属性的连字;以及与输入的连字符对应的一系列字符的情况 输入连字,提供了名称检索的便利性和可靠性。 当输入特定的连字时,根据存储在存储装置M中的对应关系TB,特定的连字被转换为与特定连字相对应的一系列字符,以及特定的检索目标名称,其包括由 通过字符串匹配从数据库DB检索特定连字符的输入位置中的转换和与耦合字符数相对应的一系列字符的排列位置。
    • 9. 发明授权
    • Semiconductor device having sense amplifier
    • 具有读出放大器的半导体器件
    • US08659321B2
    • 2014-02-25
    • US13306560
    • 2011-11-29
    • Yuko WatanabeYoshiro RihoHiromasa NodaYoji IdeiKosuke Goto
    • Yuko WatanabeYoshiro RihoHiromasa NodaYoji IdeiKosuke Goto
    • G01R19/00G11C7/00H03F3/45
    • G11C11/4091G11C7/065G11C7/08G11C7/222G11C11/4074G11C11/4076
    • A semiconductor device includes a first driver circuit for supplying a first potential to a first power supply node of the sense amplifier, second and third driver circuits for supplying a second potential and a third potential to a second power supply node of the sense amplifier, and a timing control circuit for controlling operations of the first to third driver circuits. The timing control circuit includes a delay circuit for deciding an ON period of the third driver circuit. The delay circuit includes a first delay circuit having a delay amount that depends on an external power supply potential and a second delay circuit having a delay amount that does not depend on the external power supply potential, and the ON period of the third driver circuit is decided based on a sum of the delay amounts of the first and second delay circuits.
    • 半导体器件包括用于向读出放大器的第一电源节点提供第一电位的第一驱动器电路,用于向读出放大器的第二电源节点提供第二电位和第三电位的第二和第三驱动器电路,以及 用于控制第一至第三驱动器电路的操作的定时控制电路。 定时控制电路包括用于决定第三驱动电路的接通时间的延迟电路。 延迟电路包括具有取决于外部电源电位的延迟量的第一延迟电路和具有不依赖于外部电源电位的延迟量的第二延迟电路,并且第三驱动电路的导通周期为 基于第一和第二延迟电路的延迟量的总和来决定。