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    • 4. 发明授权
    • Bar-code reader with reading zone indicator
    • 具有阅读区指示器的条码阅读器
    • US5140141A
    • 1992-08-18
    • US581217
    • 1990-09-12
    • Masahiro InagakiOsamu AsaiYasuyuki Sakai
    • Masahiro InagakiOsamu AsaiYasuyuki Sakai
    • G06K7/10
    • G06K7/10
    • A bar-code reader for reading bar codes on articles or commodities in supermarkets or retail stores has a scanning unit mounted on a vertically movable support post assembly and including a scanning system which emits a scanning light beam and detects light reflected from a bar code. The bar-code reader includes various indicating members, such as an indicator rod, an indicator ring, an arrow mark, a pattern mark, and a colored sheet, for indicating to the operator a direction, a position, and an area or zone in which to pass an article with a bar code in order for the bar code to be successully read by the scanning system.
    • 用于读取超市或零售商店中的物品或商品上的条形码的条形码读取器具有安装在可垂直移动的支撑柱组件上的扫描单元,并且包括发射扫描光束并检测从条形码反射的光的扫描系统。 条形码阅读器包括诸如指示杆,指示器环,箭头标记,图案标记和着色纸的各种指示构件,用于向操作者指示方向,位置和区域或区域 通过条形码传递文章,以便条形码被扫描系统顺利读取。
    • 6. 发明申请
    • SIGNATURE GENERATION APPARATUS, SIGNATURE GENERATION METHOD, AND STORAGE MEDIUM
    • 签名生成装置,签名生成方法和存储介质
    • US20130179691A1
    • 2013-07-11
    • US13824577
    • 2010-12-24
    • Yusuke NaitoYasuyuki Sakai
    • Yusuke NaitoYasuyuki Sakai
    • H04L9/32
    • H04L9/3252
    • e and n are public information and d is private information. An electronic signature is generated based on a calculated value of e×d mod n. A signature generation apparatus 100 includes a random number generation unit 103, a first calculation unit 111, a second calculation unit 112, and a signature generation unit 121. The random number generation unit 103 generates a random number r. The first calculation unit 111 calculates s1=r×n. The second calculation unit 112 calculates s2=s1+e. The signature generation unit 121 calculates s3=s2×d mod n and outputs s3 as the calculated value of e×d mod n. The signature generation apparatus 100 can thereby generate the above electronic signature securely against differential power attacks.
    • e和n是公共信息,d是私人信息。 基于e×d mod n的计算值生成电子签名。 签名生成装置100包括随机数生成单元103,第一计算单元111,第二计算单元112和签名生成单元121.随机数生成单元103生成随机数r。 第一计算单元111计算s1 = r×n。 第二计算单元112计算s2 = s1 + e。 签名生成部121计算s3 = s2×d mod n,并输出s3作为e×d mod n的计算值。 因此,签名生成装置100可以稳定地生成上述电子签名来抵抗差分电力攻击。
    • 9. 发明授权
    • Cooler for cooling both sides of semiconductor device
    • 冷却器用于冷却半导体器件的两侧
    • US07231960B2
    • 2007-06-19
    • US10733472
    • 2003-12-12
    • Yasuyuki Sakai
    • Yasuyuki Sakai
    • F28F9/013
    • F28F3/12H01L23/473H01L2924/0002H01L2924/00
    • An object of the present invention is to provide a cooler for cooling both sides (top and bottom surfaces) of a semiconductor device, wherein the variation of pressing force on flat cooling tubes holding a semiconductor device is reduced, thereby uniformly dissipating the heat generated by the semiconductor device. When the holding plates press the flat cooling tubes and semiconductor modules by tightening the nut, the dimensional tolerances in the stacking direction are absorbed by the deformable portions in the inlet and outlet headers. A spacer may be employed inside the flat cooling tubes in order to suppress the deformation of the flat cooling tubes along the stacking direction.
    • 本发明的目的是提供一种用于冷却半导体器件的两侧(顶表面和底表面)的冷却器,其中,保持半导体器件的平坦冷却管上的按压力的变化减小,从而均匀地散发由 半导体器件。 当保持板通过拧紧螺母挤压扁平冷却管和半导体模块时,层叠方向上的尺寸公差被入口和出口集管中的可变形部分吸收。 为了抑制扁平冷却管沿层叠方向的变形,可以在平面冷却管内使用间隔件。