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    • 2. 发明公开
    • IMAGE READING DEVICE
    • 图像读取设备
    • EP2669863A1
    • 2013-12-04
    • EP12739684.4
    • 2012-01-23
    • NEC Engineering, Ltd.
    • YAMAMOTO, Tetsuichiro
    • G06T1/00
    • G06K9/00033G06K9/00026G06K9/00046H04N1/00827
    • An image reading device 1 includes: a diffuser 5 for resting a finger 6 on its upper surface and for diffusing light entering from its lower surface; a light source 11 for irradiating the finger 6 rested on the diffuser 5 with light from the lower surface of the diffuser 5 at a predetermined angle of irradiation; a mirror 13 for receiving the light reflected from the finger 6 on the diffuser 5 which has been emitted from the light source 11; a CCD 12 for, by receiving the light reflected with the mirror 13, capturing an image of the finger 6 on the diffuser 5 in a horizontal scanning direction from the lower surface of the diffuser 5, and then outputting an image signal; and a motor 25 for moving, in a vertical scanning direction, a reading unit 3 which includes at least the light source 11, the mirror 13, and the CCD 12. The upper surface of the diffuser 5 on which the finger 6 is rested is set to be a diffusion surface, and the lower surface of the diffuser 5 through which the light from the light source 11 enters is set as a non-diffusion surface.
    • 图像读取设备1包括:扩散器5,用于将指状物6放置在其上表面上并用于漫射从其下表面进入的光; 光源11,用于以预定照射角度从放射器5的下表面照射放置在扩散器5上的手指6; 反射镜13,用于接收从光源11发射的漫射体5上的手指6反射的光; 通过接收由反射镜13反射的光,从扩散器5的下表面沿水平扫描方向捕获扩散器5上的手指6的图像,然后输出图像信号的CCD 12; 以及用于在垂直扫描方向上移动至少包括光源11,反射镜13和CCD 12的读取单元3的电动机25.其上放置手指6的扩散器5的上表面是 设为扩散面,将来自光源11的光入射的扩散板5的下表面设为非扩散面。
    • 3. 发明公开
    • IMAGE READER DEVICE AND METHOD FOR DRIVING SAME
    • 联合国难民事务高级专员办事处
    • EP2383972A1
    • 2011-11-02
    • EP09837610.6
    • 2009-12-22
    • NEC Engineering, Ltd.
    • OKADA, KoujiYAMAMOTO, TetsuichiroHOSHIMIYA, Hiroshi
    • H04N1/04G03B27/54G06T1/00H04N1/028
    • H04N1/03G03B27/54H04N1/02865H04N1/12H04N1/193H04N2201/0081
    • The present invention provides an image reader apparatus capable of obtaining an image having stable brightness while suppressing an increase of the cost of the apparatus. The image reader apparatus 1 for reading an image on a document 2 being fed and outputting an image signal includes a synchronization signal generation circuit 4 for generating a synchronization signal SS synchronous with a feed timing and a feed cycle of the document 2, a CCD 6 for reading an image on the document 2 in synchronism with the synchronization signal SS, an LED 9 for emitting white light, and a lighting control circuit 7 for turning the LED 9 on in synchronism with the synchronization signal SS and turning the light source off so that a lighting period is equalized for each line irrespective of a variation of the feed cycle of the document 2. The lighting control circuit 7 turns the LED 9 off so that the lighting period of the LED 9 is equal to a predetermined preset period.
    • 本发明提供一种能够在抑制装置的成本增加的同时获得具有稳定亮度的图像的图像读取装置。 用于读取正在馈送并输出图像信号的原稿2上的图像的图像读取装置1包括同步信号生成电路4,用于产生与原稿2的进给定时和进给循环同步的同步信号SS,CCD6 用于与同步信号SS同步地读取文件2上的图像,用于发射白光的LED 9,以及用于同步同步信号SS同时转动LED 9的点亮控制电路7,并使光源关闭 无论文档2的馈送周期的变化如何,每一行的发光周期被均衡。点亮控制电路7关闭LED 9,使得LED 9的点亮周期等于预定的预设周期。
    • 5. 发明公开
    • IMAGE READING DEVICE, METHOD OF READING IMAGE
    • BILDLESEVORRICHTUNG UND BILDLESEVERFAHREN
    • EP2624200A1
    • 2013-08-07
    • EP11828295.3
    • 2011-08-09
    • NEC Engineering, Ltd.
    • YAMAMOTO, Tetsuichiro
    • G06T1/00
    • H04N1/10G06K9/00026
    • An image reading apparatus (1) includes a touch panel (5) that outputs a press position pressed by a finger (6) as coordinate information in a sub-scanning direction, the finger (6) being placed on the surface of the touch panel (5), a CCD (12) that takes an image of the finger (6) placed on the touch panel (5) from the rear side of the touch panel (5) in a main-scanning direction, and outputs an image signal, movement detection means (22) for detecting a movement amount of the press position of the finger (5) on the touch panel (5) based on the coordinate information output from the touch panel (5), image sorting-out means (26) for selectively making an image signal output from the CCD (12) effective based on a movement amount detected by the movement detection means (22), a memory (27) that stores the image signal that is made effective by the image sorting-out means (26), and a motor (28) that moves the CCD (12) in the sub-scanning direction so as to follow a rotational movement of the finger (6) based on the movement amount detected by the movement detection means (22).
    • 一种图像读取装置(1)包括:触摸面板(5),其以副扫描方向输出由手指(6)按压的按压位置作为坐标信息,所述手指(6)被放置在所述触摸面板的表面 (5),在主扫描方向上从触摸面板(5)的后侧取下放置在触摸面板(5)上的手指(6)的图像的CCD(12),并输出图像信号 ,用于根据从触摸面板(5)输出的坐标信息,检测手指(5)在触摸面板(5)上的按压位置的移动量的移动检测装置(22),图像分拣装置 ),用于选择性地使从CCD(12)输出的图像信号基于由移动检测装置(22)检测到的移动量有效;存储器(27),其存储通过图像分类生效的图像信号 装置(26)和使CCD(12)沿副扫描方向移动的马达(28),以便沿着副扫描方向 基于由移动检测装置(22)检测到的移动量的手指(6)。
    • 6. 发明公开
    • Local bus bridge
    • Brückefüreinen Lokalbus
    • EP1351451A2
    • 2003-10-08
    • EP03006290.5
    • 2003-03-21
    • NEC Engineering, Ltd.
    • Fukushima, KengoKochii, HidekiTakeshita, Tetsuya
    • H04L12/46
    • H04L12/40091H04L12/407
    • In a serial bus network, an environment is provided, in which the serial bus is divided to two local buses and a specific terminal connected to one of the local buses can reliably occupy other terminals connected to the other local bus without influence on the terminals connected to the local buses. A specific terminal is connected to a local bus 101, to which an inner portal 3 is connected, and an ID information thereof is preliminarily recorded in a ROM 8. After a power source is turned on, the specific terminal connected to the side of the inner portal 3 is detected according to the ID information from the ROM 8. An ID information of all of nodes connected to a local bus 104, to which an outer portal 4 is connected, is read out and stored in a control portion 5. A bus reset is generated on the local bus 101. In order to give a connection information of the local bus 104, a self-ID packet is generated by the control portion 5 and transmits it through a dedicated PHY 6.
    • 在串行总线网络中,提供了一种环境,其中串行总线被分成两个本地总线,并且连接到一个本地总线的特定终端可以可靠地占用连接到另一本地总线的其它终端,而不影响连接的终端 到当地的巴士。 特定终端连接到本地总线101,内部门户3连接到本地总线101,并且其ID信息被预先记录在ROM 8中。在电源接通之后,连接到 根据来自ROM8的ID信息检测内门3。连接到外门4连接到本地总线104的所有节点的ID信息被读出并存储在控制部分5中。 在本地总线101上产生总线复位。为了给出本地总线104的连接信息,控制部分5产生自身ID分组,并通过专用PHY 6发送自身ID分组。
    • 10. 发明公开
    • VIDEO ENCODING METHOD, VIDEO ENCODING DEVICE, AND VIDEO ENCODING PROGRAM
    • VERFAHREN,EINRICHTUNG UND PROGRAMM ZUR VIDEOCODIERUNG
    • EP2124343A1
    • 2009-11-25
    • EP07850343.0
    • 2007-12-10
    • NEC Engineering, Ltd.
    • NANBU, TetsuhiroCHONO, Keiichi
    • H03M7/40H04N7/30
    • H03M7/4006H04N19/12H04N19/13H04N19/146H04N19/176H04N19/61
    • A video encoding method includes: a binary-sequence conversion step for converting syntax data of an image block into a binary sequence; a binary arithmetic encoding step for encoding each symbol of the binary sequence subject to its corresponding context; an estimation step for estimating the number of bits required for the binary arithmetic encoding of the syntax data of the image block; a coded data decision step of deciding whether to encode the syntax data of the image block in said binary arithmetic encoding step to output it responding to the bit number estimated by the estimation step; and a context update step for updating the context corresponding the syntax data decided to be encoded in the binary arithmetic encoding step and to be outputted in the coded data decision step and not updating the context corresponding to the syntax data decided not to be encoded in the binary arithmetic encoding step and not to be outputted in the coded data decision step. The estimation step uses the maximum value of the number of arithmetic encoding output bits for its input symbols as the aforementioned number of bits.
    • 视频编码方法包括:二进制序列转换步骤,用于将图像块的语法数据转换成二进制序列; 二进制算术编码步骤,用于对受其对应上下文的二进制序列的每个符号进行编码; 用于估计图像块的语法数据的二进制算术编码所需的比特数的估计步骤; 编码数据判定步骤,用于在所述二进制算术编码步骤中决定是否对所述图像块的语法数据进行编码,以响应于由所述估计步骤估计的位数来输出; 以及上下文更新步骤,用于更新对应于在二进制算术编码步骤中被确定要编码的语法数据的上下文,并在编码数据判定步骤中输出,并且不更新与在该编码数据判定步骤中决定的不被编码的语法数据相对应的上下文 二进制算术编码步骤,并且不在编码数据决定步骤中输出。 估计步骤将其输入符号的算术编码输出比特数的最大值用作上述比特数。