公开(公告)号：US20060102727A1

公开(公告)日：2006-05-18

申请号：US11319650

申请日：2005-12-29

申请人： Isao Iwaguchi ,  Hideo Miyazawa ,  Mitsuo Watanabe ,  Kozo Yamazaki ,  Masanori Ohkawa

发明人： Isao Iwaguchi ,  Hideo Miyazawa ,  Mitsuo Watanabe ,  Kozo Yamazaki ,  Masanori Ohkawa

IPC分类号： G06K19/06

CPC分类号： G06K7/10851 ,  G06K7/14

摘要： A signal obtained by optically scanning a bar code is subjected to differentiation to obtain differential data. Peak-to-peak distances are calculated from the differential data. When a peak-to-peak ΔTx distance is y times of a basic width, frequency f(x,y) will be, f(x,y)=y/ΔTx. A frequency map is prepared from the frequencies calculated. Transition routes in which one frequency each is selected. from each of the peak-to-peak distances, are formed. A transition route for which an error in frequencies is the least is taken as the most suitable transition route. An average of the frequencies included in the transition route is taken as a frequency f0 of the basic width.

公开(公告)号：US06978937B2

公开(公告)日：2005-12-27

申请号：US10622469

申请日：2003-07-21

申请人： Isao Iwaguchi ,  Takashi Kaku ,  Hiroyasu Murata ,  Kozo Yamazaki ,  Masanori Ohkawa ,  Mitsuo Watanabe ,  Hideo Miyazawa

发明人： Isao Iwaguchi ,  Takashi Kaku ,  Hiroyasu Murata ,  Kozo Yamazaki ,  Masanori Ohkawa ,  Mitsuo Watanabe ,  Hideo Miyazawa

IPC分类号： G06K7/14 ,  G06K19/06 ,  G06K7/10

CPC分类号： G06K7/14

摘要： A method of reading information which makes it possible to suppress the size of hardware and a price thereof and to improve an S/N ratio of a reading signal and reading resolution, wherein even if depth of field for reading is enlarged or a concave/convex portion or a blurred portion is left on the reading face, reading precision can be improved. The method includes steps of acquiring from a medium 1, a signal containing binary digit information having a predetermined information length and a one-dimensional arrangement, extracting information concerning an elemental unit length of the information length of the binary digit information from the acquired signal, and reading a ratio of the binary digit information to the information length based on the extracted elemental unit length information.

摘要翻译： 一种读取信息的方法，其可以抑制硬件的尺寸和价格，并且提高读取信号和读取分辨率的S / N比，其中即使用于读取的景深或扩大的凹凸 部分或模糊部分留在读取面上，可以提高读取精度。 该方法包括以下步骤：从介质1获取包含具有预定信息长度的二进制数字信息和一维排列的信号，从获取的信号中提取关于二进制数字信息的信息长度的元素单位长度的信息， 以及基于所提取的基本单位长度信息读取二进制数字信息与信息长度的比率。

公开(公告)号：US20050150958A1

公开(公告)日：2005-07-14

申请号：US11003007

申请日：2004-12-03

申请人： Isao Iwaguchi ,  Kozo Yamazaki

发明人： Isao Iwaguchi ,  Kozo Yamazaki

IPC分类号： G06K7/10 ,  G06K7/14 ,  G02B26/10 ,  G06K9/22 ,  G06K19/06

CPC分类号： G06K7/10851 ,  G06K7/14 ,  G06K2207/1017

摘要： In a bar-code reader, a reading unit reads characters from a bar code, based on parameters. A storing unit stores a plurality of signal-waveform information corresponding to a plurality of character patterns. A selecting unit makes an operator select a correct-reading character from among a plurality of the characters, if there is an occurrence of a wrong reading. A comparing unit compares a pattern corresponding to the correct-reading character selected and a pattern acquired from a plurality of signal-waveform information while changing the parameters one by one. Based on a comparison result, a parameter-setting unit sets in the reading unit, the parameters for which the occurrence of the wrong reading is least.

摘要翻译： 在条形码读取器中，读取单元根据参数从条形码读取字符。 存储单元存储与多个字符图形相对应的多个信号波形信息。 选择单元使操作者从多个字符中选择正确读取字符，如果发生错误读取。 比较单元比较所选择的正确读取字符与从多个信号波形信息获得的图案对应的图案，同时逐个改变参数。 基于比较结果，参数设定单元设置在读取单元中，错误读取的发生的参数最小。

公开(公告)号：US20050139676A1

公开(公告)日：2005-06-30

申请号：US11067342

申请日：2005-02-28

申请人： Hideo Miyazawa ,  Isao Iwaguchi ,  Kozo Yamazaki ,  Masanori Ohkawa ,  Mitsuo Watanabe ,  Takashi Kaku

发明人： Hideo Miyazawa ,  Isao Iwaguchi ,  Kozo Yamazaki ,  Masanori Ohkawa ,  Mitsuo Watanabe ,  Takashi Kaku

IPC分类号： G06K7/10 ,  G06K7/14 ,  G02B26/10 ,  G06K9/22 ,  G06K19/06

CPC分类号： G06K7/10851 ,  G06K7/14

摘要： A signal fetching unit fetches a signal that includes binarized information disposed with a predetermined information length, from a barcode. A module-frequency extracting unit extracts a module frequency equivalent to a basic unit length in the binarized information from the signal. A frequency shifting unit shifts a frequency to 0 Hz based on the module frequency for the signal. A low pass filter passes a low frequency component included in an output signal from the frequency shifting unit. A module-point extracting unit extracts a module point synchronized with the signal and that has the module frequency, based on the module frequency extracted and an output signal of the low pass filter. A demodulating unit demodulates a character of the barcode based on the module point extracted.

摘要翻译： 信号取出单元从条形码获取包含以预定信息长度布置的二值化信息的信号。 模块频率提取单元从信号中提取与二值化信息中的基本单位长度相当的模块频率。 频移单元根据信号的模块频率将频率移动到0Hz。 低通滤波器通过来自频移单元的输出信号中包含的低频分量。 模块点提取单元基于提取的模块频率和低通滤波器的输出信号，提取与信号同步的模块点，并具有模块频率。 解调单元根据提取的模块点解调条形码的字符。

公开(公告)号：US06491224B2

公开(公告)日：2002-12-10

申请号：US09418514

申请日：1999-10-15

申请人： Masanori Ohkawa ,  Toshiyuki Ichikawa ,  Hiroshi Watanuki ,  Kozo Yamazaki

发明人： Masanori Ohkawa ,  Toshiyuki Ichikawa ,  Hiroshi Watanuki ,  Kozo Yamazaki

IPC分类号： G06K710

CPC分类号： G06K7/10574

摘要： An optical scanning apparatus, such as a bar code scanner, for reading 360 degrees of, e.g., tray commodities. A first scanning pattern is emitted almost in the horizontal direction to an installation surface of the apparatus, and a second scanning is pattern emitted from an upper portion to a lower portion of the apparatus, toward the installation surface, via a window provided vertical to the installation surface.

摘要翻译： 诸如条形码扫描器的光学扫描装置，用于读取例如托盘商品的360度。 第一扫描图案几乎在水平方向上发射到装置的安装表面，并且第二扫描是从设备的上部向下部发射的图案，经由垂直于 安装面。

公开(公告)号：US06469294B2

公开(公告)日：2002-10-22

申请号：US09045044

申请日：1998-03-20

申请人： Masanori Ohkawa ,  Toshiyuki Ichikawa ,  Hiroshi Watanuki ,  Kozo Yamazaki

发明人： Masanori Ohkawa ,  Toshiyuki Ichikawa ,  Hiroshi Watanuki ,  Kozo Yamazaki

IPC分类号： H01J314

CPC分类号： G06K7/1096 ,  G06K7/10693

摘要： A point of sale (POS) device, such as an optical scanner, reduces the beam diameters of two light beam components having been emitted from a common light source and split by an optical beam splitter. The optical scanner includes a light source emitting a light beam, a light beam splitter splitting the emitted light beam, a polygon mirror reflecting the split light beam components into mutually different directions, and groups of mirrors. The groups of mirrors are provided for each reading window, allowing the light beam components to be emitted therefrom. The emitted light beam components can then impinge on an object, whereupon the optical scanner detects by detectors and reads a bar code located on the object. The optical scanner also includes beam shaping devices, one of which is placed between the light source and light splitting device and the other of which is placed in one of the optical paths followed by one of the light beam components. Since the beam diameter of the light beam components are reduced, and since the light beams are emitted from multiple reading windows, bar codes with narrow spaces between the bars can be read more easily, even with varying orientations of the bar code on the object.

摘要翻译： 诸如光学扫描仪的销售点（POS）装置减少了已经从公共光源发射并被光分束器分裂的两个光束分量的光束直径。 光学扫描器包括发射光束的光源，将发射光束分开的光束分离器，将分离的光束分量反射到相互不同的方向的多棱镜和反射镜组。 为每个读取窗口提供反射镜组，允许从其发射光束组件。 发射的光束分量然后可以撞击到物体上，于是光学扫描器由检测器检测并读取位于物体上的条形码。 光学扫描器还包括光束整形装置，其中一个放置在光源和光分离装置之间，另一个放置在一个光路中，随后是光束部件之一。 由于光束分量的光束直径减小，并且由于光束从多个读取窗口发射，所以即使在对象上的条形码的取向方面，也可以更容易地读取条之间的狭窄空间的条形码。

公开(公告)号：US06283373B1

公开(公告)日：2001-09-04

申请号：US09084954

申请日：1998-05-28

申请人： Masanori Ohkawa ,  Toshiyuki Ichikawa ,  Hiroshi Watanuki ,  Kozo Yamazaki

发明人： Masanori Ohkawa ,  Toshiyuki Ichikawa ,  Hiroshi Watanuki ,  Kozo Yamazaki

IPC分类号： G06K710

CPC分类号： G06K7/10564

摘要： A light source module has a laser diode, and a circuit board. The circuit board includes the laser diode, a driver circuit for the laser diode, and a connector for receiving a power supply for driving the laser diode from an electric power source. A lens and an aperture shapes the laser beam emitted from the laser diode. A housing made of electrical insulating material contains the lens, the aperture and the circuit board except for a portion of the circuit board where the connector is mounted.

摘要翻译： 光源模块具有激光二极管和电路板。 电路板包括激光二极管，用于激光二极管的驱动电路，以及用于接收从电源驱动激光二极管的电源的连接器。 透镜和孔形成从激光二极管发射的激光束。 由电绝缘材料制成的壳体除了安装连接器的电路板的一部分外还包含透镜，孔和电路板。

公开(公告)号：US06247646B1

公开(公告)日：2001-06-19

申请号：US09494364

申请日：2000-01-31

申请人： Isao Iwaguchi ,  Hiroaki Kawai ,  Mitsuo Watanabe ,  Kozo Yamazaki

发明人： Isao Iwaguchi ,  Hiroaki Kawai ,  Mitsuo Watanabe ,  Kozo Yamazaki

IPC分类号： G06K710

CPC分类号： G06K7/1486 ,  G06K7/14

摘要： A bar code reader for reading a bar code 30 composed of a plurality of white bars and a plurality of black bars, includes a generating unit 8 for generating bar width values respectively showing a width of the read bars, a judging unit 12 for judging based on the bar width values whether or not the read bar code satisfies a predetermined standard condition, and a converting unit 12 for converting the read bars into a plurality of bars in which a black-and-white-inverted bar is interposed between the conversion-target color bars. If the judging unit judges that the bar code does not satisfy the predetermined standard condition, the converting unit converts any one of the white and black bars constituting the bar code, and thereafter the judging unit makes a re-judgement. The bar code reader is capable of demodulating the bar code which has been abnormally read by presuming and compensating the bars read apparently as a single bar to a plurality of bars.

摘要翻译： 用于读取由多个白条和多个黑条组成的条形码30的条形码读取器包括：生成单元8，用于产生分别示出读取条的宽度的条宽度值;判断单元12，用于基于 在条形宽度值上，读取条形码是否满足预定的标准条件;以及转换单元12，用于将读取条转换成多个条，其中黑白倒置条插入在转换 - 目标彩条。 如果判断单元判断条形码不满足预定的标准条件，则转换单元转换构成条形码的白条和黑条之一，然后判断单元重新判断。 条形码读取器能够解调通过假设并且补偿作为单个条显而易见地读取到多个条形的条而被异常读取的条形码。

公开(公告)号：US06216950B1

公开(公告)日：2001-04-17

申请号：US09045120

申请日：1998-03-20

申请人： Masanori Ohkawa ,  Toshiyuki Ichikawa ,  Hiroshi Watanuki ,  Kozo Yamazaki

发明人： Masanori Ohkawa ,  Toshiyuki Ichikawa ,  Hiroshi Watanuki ,  Kozo Yamazaki

IPC分类号： G02B2600

CPC分类号： G06K7/1096 ,  G06K7/10693

摘要： An optical scanning apparatus which reduces operator workload at a checkout counter and configured to be inexpensive to manufacture. In particular this optical scanning apparatus is designed so that an operator can scan merchandise without tilting these commodities. Therefore, to use this optical scanning apparatus the operator spots the bar code and slides the merchandise along the checkout counter. The optical scanning apparatus emits laser scanning patterns from the side of the counter and parallel to its surface as well as from above. Therefore whether the bar code is located on the side or top of the merchandise the apparatus is able to read it without tilting the merchandise. This is particular useful when dealing with liquid products, such as beverages or soups, and delicate products, such as cakes. In the case of liquid products, tilting them would run the risk of spilling them on the counter. In the case of delicate products, tilting them runs the risk of disturbing their appearance. The optical scanning apparatus is also designed to have a low profile and thus not act as an obstruction to operator's vision or movement of merchandise to be scanned.

摘要翻译： 一种光学扫描装置，其减少了结帐柜台处的操作员工作量并且被配置成制造成本低廉。 特别地，该光学扫描装置被设计成使得操作者可以扫描商品而不倾斜这些商品。 因此，为了使用该光学扫描装置，操作者将条形码放置并沿着结帐台滑动商品。 光学扫描装置从计数器侧发射激光扫描图案，并平行于其表面以及从上方发射。 因此，条形码是否位于商品的侧面或顶部，该装置能够在不倾斜商品的情况下读取它。 这在处理液体产品（如饮料或汤）以及精美的产品（如蛋糕）时特别有用。 在液体产品的情况下，倾斜它们将冒着溢出到柜台的风险。 对于精致的产品，倾斜它们会有扰乱外观的风险。 光学扫描装置还被设计成具有低轮廓，因此不会作为操作者的视觉障碍物或要扫描的商品的移动。

公开(公告)号：US06189795B1

公开(公告)日：2001-02-20

申请号：US09329732

申请日：1999-06-10

申请人： Masanori Ohkawa ,  Kozo Yamazaki

发明人： Masanori Ohkawa ,  Kozo Yamazaki

IPC分类号： G06K700

CPC分类号： G06K7/1096 ,  G06K7/10623 ,  G06K7/10693 ,  G06K7/10702 ,  G06K7/10871 ,  G06K2007/10514 ,  Y10S359/90

摘要： A bar code reader having two reading windows, i.e., a bottom window and a side window. An increased number of scanning lines are used for constituting scanning patterns for scanning bar codes, and the arrangement of the optical system is contrived to decrease the whole size of the bar code reader and, particularly, to decrease the depth of the bar code reader. A source of laser light, a splitter for splitting the laser beam emitted from the laser light source into two, a reflection mirror for transmitting one beam from the splitter to a polygon mirror, the polygon mirror which rotates to scan the incident laser beam, a mirror system for emitting the beam reflected by the polygon mirror through the reading window, and a focusing member for focusing the beam reflected by the bar code onto a detector that detects the beam reflected by the bar code, are arranged on the same line in the bar code reader. By using a concave mirror, furthermore, the beam reflected by the bar code is folded back to one detector. The light-receiving surface of another detector is faced downward to receive the beam reflected by the bar code through Fresnel lens and mirror, thereby to decrease the depth of the bar code reader. Furthermore, the beam passage from the reflection mirror goes through the lower surface of the polygon mirror intersecting the axis of rotation of the polygon mirror.

摘要翻译： 具有两个读取窗口，即底部窗口和侧面窗口的条形码阅读器。 使用扫描线数量增加来构成用于扫描条形码的扫描图案，并且设计了光学系统的布置以减小条形码阅读器的整体尺寸，特别是降低条形码阅读器的深度。 激光源，用于将从激光光源发射的激光束分为两部分的分离器，用于将一束光从分光镜传输到多面镜的反射镜，旋转以扫描入射激光束的多面反射镜， 用于通过读取窗口发射由多面镜反射的光束的反射镜系统，以及用于将由条形码反射的光束聚焦到检测由条形码反射的光束的检测器上的聚焦部件布置在 条码读取器。 此外，通过使用凹面镜，由条形码反射的光束被折回到一个检测器。 另一个检测器的光接收表面面向下以接收由条形码反射的光束通过菲涅尔透镜和反射镜，从而减小条形码阅读器的深度。 此外，来自反射镜的光束通过穿过与多面镜的旋转轴交叉的多面镜的下表面。