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1. 发明授权

US07778443B2 Image focusing device with motor 失效
标题翻译：带电机的图像聚焦装置
公开(公告)号：US07778443B2
公开(公告)日：2010-08-17
申请号：US10384886
申请日：2003-03-07
申请人： Mitsuru Watanabe , Masato Iwakawa , Satoshi Singu , Hisato Kato
发明人： Mitsuru Watanabe , Masato Iwakawa , Satoshi Singu , Hisato Kato
IPC分类号： G06K9/00
CPC分类号： B07C3/14 , G06K9/2018
摘要： An illumination unit 6 illuminates a scene object (i.e., mail) 2 moved in a predetermined direction by a transport means (transport conveyor) 1, the imaging distance up to the scene object 2 is detected before imaging, and auto-focusing is made according to distance data detected at the time of the imaging.
摘要翻译：照明单元6照亮通过传送装置（传送输送机）1沿预定方向移动的场景对象（即，邮件）2，在成像之前检测到到场景对象2的成像距离，并且根据以在成像时检测到的距离数据。

2. 发明授权

US06798896B2 Image input apparatus 失效
标题翻译：图像输入装置
公开(公告)号：US06798896B2
公开(公告)日：2004-09-28
申请号：US09792192
申请日：2001-02-22
申请人： Mitsuru Watanabe , Satoshi Shingu , Masato Iwakawa
发明人： Mitsuru Watanabe , Satoshi Shingu , Masato Iwakawa
IPC分类号： G06K900
CPC分类号： G06K9/2018
摘要： The present invention enables to increase the speed of recognizing characters on an undefined-size postal matter such as a flat mail. The flat mail often has an address area different in color or pattern from the flat mail itself. The present invention provides an image input apparatus including pickup means of monochromatic-mode CCD 31 having a fine resolution capable of recognizing characters and pickup means of color-mode CCD 30 having a rough resolution only sufficient for detecting an address area. These pickup means are mounted in a unitary block so that images are taken in from approximately identical positions and a color image is used to detect an address area and a monochromatic image is used to recognize characters, thereby significantly increasing the speed of flat mail classification. An illumination unit 44 is forcibly cooled so as to enable to use a large-output lamp tube 75 capable of illuminating a wide range to assure the character recognition.
摘要翻译：本发明能够增加在诸如平邮的未定义大小的邮政物上识别字符的速度。扁平邮件通常具有与平面邮件本身不同的地址区域的颜色或图案。本发明提供一种图像输入装置，其包括具有能够识别具有粗略分辨率的字符和拾取装置的精细分辨率的单色模式CCD 31的拾取装置，其具有足以检测地址区域的粗略分辨率。这些拾取装置安装在一个整体的块中，以便从大致相同的位置拍摄图像，并且使用彩色图像来检测地址区域，并且使用单色图像来识别字符，从而显着提高平邮邮件分类的速度。照明单元44被强制冷却，以便能够使用能够照亮宽范围的大输出灯管75，以确保字符识别。

3. 发明授权

US06208433B1 Image pick-up apparatus capable of stable flicker compensation without influence by reflectance of an object 失效
标题翻译：能够在不受物体的反射率影响的情况下稳定地进行闪烁补偿的摄像装置
公开(公告)号：US06208433B1
公开(公告)日：2001-03-27
申请号：US09062032
申请日：1998-04-17
申请人： Masato Iwakawa , Hiroyuki Mutou , Hajime Yamamoto , Tomoaki Fukano
发明人： Masato Iwakawa , Hiroyuki Mutou , Hajime Yamamoto , Tomoaki Fukano
IPC分类号： H04N138
CPC分类号： H04N5/2357 , H04N1/113 , H04N1/193 , H04N1/40 , H04N5/235
摘要： In an image pick-up apparatus, the image on a visual field over an original copy is focused on an one-dimensional image pick-up device by a lens through a mirror. A prism for taking in the ambient light is disposed at the end portion of the one-dimensional image pick-up device. A sample-hold circuit samples and holds an ambient light signal portion of the image signal Vin and outputs a sample-hold signal Vref. A division circuit performs the operation of division Vin/Vref, using the sample-hold signal Vref. As a result, the image signal Vin will be normalized by the ambient light signal Vref for each scan line (line by line). An amplification circuit amplifies the output Vin/Vref of the division circuit so that the ambient light signal level may become VO and outputs it to an A/D conversion circuit. The image signal quantified by the A/D-conversion circuit is output to an external equipment by an external I/F circuit.
摘要翻译：在图像拾取装置中，原始副本上的视野上的图像通过镜子通过透镜聚焦在一维图像拾取装置上。用于摄取环境光的棱镜设置在一维摄像装置的端部。采样保持电路对图像信号Vin的环境光信号部分进行采样并保持，并输出采样保持信号Vref。分频电路使用采样保持信号Vref来执行分频Vin / Vref的操作。结果，图像信号Vin将由每条扫描线的环境光信号Vref（逐行）归一化。放大电路放大除法电路的输出Vin / Vref，使得环境光信号电平可以变为VO并将其输出到A / D转换电路。由A / D转换电路量化的图像信号通过外部I / F电路输出到外部设备。

4. 发明授权

US06721073B1 Image input device and method 失效
标题翻译：图像输入装置及方法
公开(公告)号：US06721073B1
公开(公告)日：2004-04-13
申请号：US09453154
申请日：1999-12-02
申请人： Satoshi Segawa , Masato Iwakawa
发明人： Satoshi Segawa , Masato Iwakawa
IPC分类号： H04N104
CPC分类号： H04N1/00323 , H04N1/113 , H04N1/193 , H04N2201/0436
摘要： There is disclosed an image input method, comprising the steps of: forming an image of a linear area on an original onto a row of linearly arranged light receiving elements of a linear image sensor by a lens, and outputting an image signal of the linear image formed on the light receiving elements from the linear image sensor. Moreover, the linear area formed into the image on the linear image sensor is moved by a sub-scanning mechanism to scan the entire image of the original. The linear image sensor further outputs a flicker detection signal having a voltage corresponding to a lighting light quantity radiating to the original. Assuming that a photoelectric conversion property of the linear image sensor is linear, a correcting section eliminates a voltage fluctuation of the image signal based on a fluctuation of the lighting light quantity based on the flicker detection signal. In this case, a voltage for eliminating an influence by nonlinearity of the photoelectric conversion property of the linear image sensor is added to the image signal or the flicker detection signal inputted to the correcting section by an image signal correction circuit.
摘要翻译：公开了一种图像输入方法，包括以下步骤：通过透镜将原稿上的线性区域的图像形成为线状图像传感器的线性排列的光接收元件的行，并输出线性图像的图像信号形成在来自线性图像传感器的光接收元件上。此外，通过副扫描机构移动在线状图像传感器上形成图像的线性区域，以扫描原稿的整个图像。线性图像传感器还输出具有与向原稿照射的照明光量对应的电压的闪烁检测信号。假设线性图像传感器的光电转换特性是线性的，校正部分基于闪烁检测信号，消除基于照明光量的波动的图像信号的电压波动。在这种情况下，通过图像信号校正电路将用于消除线性图像传感器的光电转换特性的非线性影响的电压加到输入到校正部分的图像信号或闪烁检测信号中。

5. 发明授权

US06566646B1 Image input apparatus for reading conveyed items using air flow cooling of illumination windows 失效
标题翻译：用于使用照明窗的空气流冷却读取被输送物品的图像输入装置
公开(公告)号：US06566646B1
公开(公告)日：2003-05-20
申请号：US09528512
申请日：2000-03-17
申请人： Masato Iwakawa
发明人： Masato Iwakawa
IPC分类号： G06M700
CPC分类号： G01J1/02 , G01J1/0252 , G01J1/04 , G01J1/0407 , G01J1/08 , G01N21/01
摘要： The image input apparatus picks up the image of the object moved in the predetermined direction by the conveying means and illuminated by illuminating means having an light source, an internal window glass and an outermost window glass. The internal window glass serves as a heat ray absorbing glass, and an outermost window glass serves as a heat ray transmitting glass. The image input apparatus comprises the air cooling means for generating an air flow to forcedly cool the front and the rear surface of the internal window glass.
摘要翻译：图像输入装置通过传送装置拾取沿预定方向移动的物体的图像，并且由具有光源，内部窗玻璃和最外窗玻璃的照明装置照射。内部窗玻璃用作热射线吸收玻璃，最外面的窗玻璃用作热射线透射玻璃。图像输入装置包括用于产生用于强制冷却内部窗玻璃的前表面和后表面的空气流的空气冷却装置。

6. 发明授权

US06292275B1 Image scanning apparatus and method, and mirror drive method and mechanism 失效
标题翻译：图像扫描装置及方法及镜像驱动方法及机制
公开(公告)号：US06292275B1
公开(公告)日：2001-09-18
申请号：US09156660
申请日：1998-09-18
申请人： Hajime Yamamoto , Masato Iwakawa
发明人： Hajime Yamamoto , Masato Iwakawa
IPC分类号： H04N104
CPC分类号： H04N1/0473 , H04N1/113 , H04N1/193 , H04N2201/02439 , H04N2201/04755 , H04N2201/04794
摘要： The present invention enables to scan in a sub scan direction an image on a scan medium placed on a flat plane using a simple configuration of a one-dimensional image sensor at a fixed position in combination with a reflecting mirror. A drive source having a constant rpm is used to rotate the reflecting mirror at an angular velocity changing in a non-linear way. The rotation of the drive source is transmitted to a drive mechanism linked to a four-node link mechanism to rotate the reflecting mirror at an angular velocity changing in a non-linear way, so that the scan position on the scan medium is shifted in the sub scan direction at a constant linear velocity.
摘要翻译：本发明能够使用与反射镜组合的固定位置处的一维图像传感器的简单配置，在副扫描方向上扫描放置在平面上的扫描介质上的图像。使用恒定rpm的驱动源以非线性方式以角速度变化来旋转反射镜。驱动源的旋转传递到连接到四节点连杆机构的驱动机构，以以非线性方式改变的角速度旋转反射镜，使得扫描介质上的扫描位置在副扫描方向为恒定的线速度。

7. 外观设计

USD411520S Image scanner 失效
公开(公告)号：USD411520S
公开(公告)日：1999-06-29
申请号：US86735
申请日：1998-04-20
申请人： Masato Iwakawa , Hajime Yamamoto , Toshiaki Mizushima
设计人： Masato Iwakawa , Hajime Yamamoto , Toshiaki Mizushima

8. 发明申请

US20140373650A1 Rack and Pinion Steering Gear Unit 有权
标题翻译：机架和小齿轮转向装置
公开(公告)号：US20140373650A1
公开(公告)日：2014-12-25
申请号：US14348292
申请日：2012-08-24
申请人： Masato Iwakawa
发明人： Masato Iwakawa
IPC分类号： B62D3/12 , F16H19/04
CPC分类号： B62D3/12 , B62D3/126 , F16B21/183 , F16C19/06 , F16C19/54 , F16C35/067 , F16C35/07 , F16C2226/74 , F16C2326/24 , F16H19/04 , F16H57/021 , F16H57/028 , F16H2057/02082 , F16J15/061 , F16J15/106 , Y10T74/18096
摘要： Construction is achieved that is able to effectively prevent the displacement in the axial direction of a ball bearing 16 that supports the middle section of a pinion shaft 6 so as to be able to rotate freely, and that is compact and low cost. A fastening groove 28b is formed around the entire circumference of a portion near an opening of the inner circumferential surface of a sub housing section 12c of a casing 10c, and a radially outside portion of a C-shaped retaining ring 29b is fastened in this fastening groove 28b. As a result, a side surface in the axial direction of a radially inside portion of the retaining ring 29b is pressed against a side surface in the axial direction of an outer ring 18 of a ball bearing 16 that is fitted inside and supported by the inner circumferential surface of the sub housing section 12c. Moreover, a clip 35 having a radially outside arm section 43 and radially inside arm section 44 is mounted in the opening edge section of the sub housing section 12c, and a diameter reduction prevention section 36 that comprises the tip-end section of the radially inside arm section 44 is inserted into a non-continuous area 34 of the retaining ring 29b.
摘要翻译：实现能够有效地防止支撑小齿轮轴6的中间部的滚珠轴承16的轴向位移以能够自由旋转的结构，这是紧凑的和低成本的。在壳体10c的副壳体部12c的内周面的开口附近的整个圆周周围形成有紧固槽28b，并且C形保持环29b的径向外侧部紧固在该紧固槽28b。结果，保持环29b的径向内侧部分的轴向侧面被压靠在滚珠轴承16的外圈18的轴向的侧面上，该轴承方向嵌合在内部并由内侧副壳体部分12c的圆周表面。此外，具有径向外臂部43和径向内侧臂部44的夹具35安装在副壳体部12c的开口边缘部中，并且减径防止部36包括径向内侧的前端部臂部44插入保持环29b的非连续区域34中。

9. 发明授权

US06373599B1 Image scanning apparatus and method 失效
标题翻译：图像扫描装置及方法
公开(公告)号：US06373599B1
公开(公告)日：2002-04-16
申请号：US09156661
申请日：1998-09-18
申请人： Hajime Yamamoto , Masato Iwakawa
发明人： Hajime Yamamoto , Masato Iwakawa
IPC分类号： H04N104
CPC分类号： H04N1/113 , H04N1/10
摘要： Scanning is performed in a sub scan direction an image on a scan medium placed on a plane with a one-dimensional image sensor at a fixed position via a reflecting mirror rotatable around a fixed axis without causing a scan defect due to a change in the optical path length. An image light generating from an image on a scan medium is deflected by a reflecting mirror so at to form an image at a position of an image sensor via an image formation optical system. The image sensor reads a scan image as a one-dimensional main scan line and the reflecting mirror is rotated so at move a scan position in a sub scan direction. The rotation of this reflecting mirror is interlocked with displacement of the image formation optical system in an optical axis direction, thus enabling to prevent an image formation defect due to a change in the optical path length.
摘要翻译：在副扫描方向上，通过经由可旋转的固定轴可反射的反射镜，将位于具有一维图像传感器的平面上的扫描介质上的图像在固定位置上进行扫描，而不会由于光学变化而引起扫描缺陷路径长度。从扫描介质上的图像产生的图像光被反射镜偏转，以便通过图像形成光学系统在图像传感器的位置处形成图像。图像传感器将扫描图像读取为一维主扫描线，并且反射镜旋转，以便在副扫描方向上移动扫描位置。该反射镜的旋转与图像形成光学系统在光轴方向上的位移互锁，从而能够防止由于光路长度的变化引起的图像形成缺陷。

10. 发明授权

US6023526A Apparatus of optically reading character and method thereof 失效
标题翻译：光学读取装置及其方法
公开(公告)号：US6023526A
公开(公告)日：2000-02-08
申请号：US795787
申请日：1997-02-05
申请人： Katsuhiko Kondo , Yasuharu Itamoto , Masato Iwakawa
发明人： Katsuhiko Kondo , Yasuharu Itamoto , Masato Iwakawa
IPC分类号： B07C3/14 , G06K7/12 , G06K9/00 , G06K9/20 , G06K9/38 , G06K9/46
CPC分类号： G06K9/38 , B07C3/14 , G06K2209/01
摘要： A multi color image of a total of a sheet of paper is read by a color scanner and a designated color image consisting of a designated color component is extracted from the multi color image by a designated color filter, blocks having the designated color are extracted by summarizing in blocks a plurality of pixels constituting the designated color image by a designated color block extracting unit, meanwhile, the multi color image is converted into a monochromatic image by a monochromatic processing unit, at least one of monochromatic blocks are extracted by summarizing in blocks a plurality of pixels constituting the monochromatic image by a monochromatic block extracting unit and an area in which characters, for example the postal code and the mail address, that are objects of reading on the sheets of paper are described, are determined based on the blocks having the designated color and the monochromatic blocks by a reading area determining unit.
摘要翻译：通过彩色扫描器读取总共纸张的多色图像，并通过指定的滤色器从多色图像中提取由指定颜色分量组成的指定彩色图像，具有指定颜色的块由通过指定的颜色块提取单元在块中总结构成指定彩色图像的多个像素，同时，多色图像由单色处理单元转换成单色图像，通过在块中总结来提取至少一个单色块通过单色块提取单元构成单色图像的多个像素和描述作为纸张上的读取对象的字符（例如邮政编码和邮件地址）的区域被基于块具有指定颜色和单色块由读取区确定单元。

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