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    • 14. 发明授权
    • Stacked barcode reader and stacked barcode reading method
    • 堆叠条形码读取器和堆叠条形码读取方法
    • US08333326B2
    • 2012-12-18
    • US13240208
    • 2011-09-22
    • Hiroshi Nakamura
    • Hiroshi Nakamura
    • G06K7/10
    • G06K7/10712G06K7/10851
    • In a decoding section of a stacked barcode reader, the brightness values of multiple pixels configuring image data are used to calculate multiple line widths of the bars and the spaces of the stacked barcode. Based on the evaluation value of the frequency distribution of multiple line widths, a priority order of T-sequence is determined. According to this priority order, the T-sequence is measured and the code word corresponding to the T-sequence is obtained. With this, the priority order of the T-sequence is determined based on the evaluation value (such as the maximum value, variance, etc.) of the frequency distribution of the line widths of the bars and the spaces that configure the stacked barcode increasing reading performance of the barcode reader on a stacked barcode while reducing the number of errors in all the decoded code words, despite the level of the resolution of the image pickup optical system.
    • 在层叠条形码阅读器的解码部分中,使用构成图像数据的多个像素的亮度值来计算条形的多个线宽和堆叠条形码的间隔。 基于多行宽度的频率分布的评估值,确定T序列的优先顺序。 根据该优先顺序,测定T序列,得到与T序列对应的码字。 由此,基于条形的线宽和配置堆叠条形码的间隔的频率分布的评估值(诸如最大值,方差等)来确定T序列的优先顺序 尽管图像拾取光学系统的分辨率水平,但是在减少所有解码的码字中的错误数量的同时,在堆叠的条形码上读取条形码读取器的性能。
    • 15. 发明授权
    • Method and apparatus of measuring particulate matters
    • 测量颗粒物的方法和装置
    • US08280645B2
    • 2012-10-02
    • US12122167
    • 2008-05-16
    • Hiroshi Nakamura
    • Hiroshi Nakamura
    • G01N31/00F01N3/00
    • G01N1/2205G01N5/02G01N21/67G01N21/72
    • An apparatus for measuring particulate matters includes a particulate matters collecting part 1 that collects particulate matters contained in exhaust gas from an engine 200 by a collecting filter 41 during a predetermined period while the engine 200 is dynamically driven. A second measuring part 22 continuously measures properties indirectly indicating the mass of the particulate matters contained in the exhaust gas during the predetermined period. A correlation calculating part 82 calculates a correlation between the measurement result of the mass of the particulate matters collected by the particulate matters collecting part 1 and a time integration value of the measurement result in the second measuring part 22 during the predetermined period. A converting part 83 converts the continuous measurement data in the second measuring part 22 into a time series variation of the mass of the particulate matters based on the correlation.
    • 用于测量颗粒物的装置包括:颗粒物收集部分1,其在发动机200被动态驱动的同时,在预定时间段期间,通过收集过滤器41收集来自发动机200的废气中所含的颗粒物质。 第二测量部分22在预定时段内连续测量间接地指示废气中所含的颗粒物质的质量的性质。 相关计算部82计算在规定期间内由颗粒物质收集部1收集的颗粒物质的质量与第二测定部22的测定结果的时间积分值的测定结果之间的相关性。 A转换部83基于相关性将第二测量部22中的连续测量数据转换为颗粒物质的时间序列变化。
    • 17. 发明授权
    • Method and apparatus for character string recognition
    • 用于字符串识别的方法和装置
    • US08200016B2
    • 2012-06-12
    • US12110524
    • 2008-04-28
    • Hiroshi Nakamura
    • Hiroshi Nakamura
    • G06K9/34
    • G06K9/348G06K2209/01
    • A method for character string recognition may include processing image data into black-and-white binary image data, calculating vertical projection data of the binary image data in a vertical direction perpendicular to a direction of the character string while shifting the binary image data, detecting positions exceeding a prescribed border judgment threshold value in the vertical projection data, judging validity of the border judgment threshold value, and deciding whether to segment characters out of the character string based on whether the border judgment threshold value is valid.
    • 用于字符串识别的方法可以包括将图像数据处理成黑白二值图像数据,在移动二进制图像数据的同时,在垂直于字符串的方向的垂直方向上计算二值图像数据的垂直投影数据,检测 判定在垂直投影数据中超过规定的边界判定阈值的位置,判断边界判定阈值的有效性,以及基于边界判定阈值是否有效来决定是否从字符串中分割字符。
    • 19. 发明授权
    • Apparatus and method for symbol information reading
    • 符号信息读取的装置和方法
    • US08146818B2
    • 2012-04-03
    • US12415431
    • 2009-03-31
    • Hiroshi Nakamura
    • Hiroshi Nakamura
    • G06K7/10
    • G06K7/14G06K7/1443
    • A symbol information reading apparatus may include an imaging element; an image memory structured to store image data; a position detecting processor structured to fetch the image data and structured to detect a position of symbol information. The position detecting processor may include a temporary area judgment unit that structured to calculate a variation of brightness, and structured to judge a temporary area having a possibility of corresponding to the symbol information; a correlation map creating unit that structured to calculate correlation between areas neighboring in a direction perpendicular to the scanning direction, and structured to create a map showing an area provided with large correlation values; a labeling unit that structured to check presence of a basic barcode on the correlation map, and structured to label an area judged as having the basic barcode; and a position determining unit that structured to detect a position of the symbol information recorded.
    • 符号信息读取装置可以包括成像元件; 构造成存储图像数据的图像存储器; 位置检测处理器,被构造成获取图像数据并构造成检测符号信息的位置。 位置检测处理器可以包括临时区域判断单元,其被构造为计算亮度的变化,并被构造为判断具有与符号信息相对应的可能性的临时区域; 相关图生成单元,其构造为计算与扫描方向垂直的方向相邻的区域之间的相关性,并且构造成生成表示具有大相关值的区域的地图; 标记单元,其被构造为检查所述相关图上的基本条形码的存在,并且被构造成标记被判断为具有所述基本条形码的区域; 以及位置确定单元,其被构造成检测记录的符号信息的位置。
    • 20. 发明授权
    • Semiconductor memory device using only single-channel transistor to apply voltage to selected word line
    • 半导体存储器件仅使用单通道晶体管对所选字线施加电压
    • US08130589B2
    • 2012-03-06
    • US13109694
    • 2011-05-17
    • Hiroshi NakamuraKenichi Imamiya
    • Hiroshi NakamuraKenichi Imamiya
    • G11C8/00
    • G11C8/10G11C16/0483G11C16/08G11C16/3459H01L27/115
    • A semiconductor memory device has a memory cell array, a first transistor of a first conductivity type, a second transistor of a second conductivity type and a third transistor of the first conductivity type. A source or drain of the first transistor is connected to each of word lines. A drain of the second transistor is connected to a gate of the first transistor. A source of the third transistor is connected to the gate of the first transistor. The gates of the second transistor and the third transistor are not connected, a source of the second transistor is not connected to a drain of the third transistor, and the gate of the second transistor and the drain of the third transistor have different voltage levels corresponding to opposite logic levels each other.
    • 半导体存储器件具有存储单元阵列,第一导电类型的第一晶体管,第二导电类型的第二晶体管和第一导电类型的第三晶体管。 第一晶体管的源极或漏极连接到每条字线。 第二晶体管的漏极连接到第一晶体管的栅极。 第三晶体管的源极连接到第一晶体管的栅极。 第二晶体管和第三晶体管的栅极不连接,第二晶体管的源极不连接到第三晶体管的漏极,并且第二晶体管的栅极和第三晶体管的漏极具有不同的电压电平 彼此相反的逻辑水平。