Apparatus for and method of detecting bar code
    31.
    发明授权
    Apparatus for and method of detecting bar code 失效
    条形码检测装置及方法

    公开(公告)号:US6059187A

    公开(公告)日:2000-05-09

    申请号:US628109

    申请日:1996-04-09

    IPC分类号: G06K7/00 G06K7/10 G06K7/14

    CPC分类号: G06K7/1486 G06K7/14

    摘要: Bar with count values indicating widths of white and black bars, which are reciprocally obtained, are input to buffers connected in series at 16 stages. The bar width count values written to those buffers are sequentially shifted each time a new bar width count value is input. A comparing circuit compares the widths of the adjacent bars in the same color with each other and checks whether or not a ratio therebetween falls within a range of 0.2-5.0 times as large as each other. Results of the comparisons by this comparing circuit are written to result registers connected in series at 13 stages. The check-results written to those result registers are sequentially shifted each time a new bar width count value is input. Accordingly, if all the check results written to all the result registers indicate an "in-range" state, it follows that the fifteen or more bars consecutively meet a bar code condition. Hence, the counter lets an AND gate open. If even one of the check results written to the result registers indicates an "out-of-range" state, the counter starts counting. Then, when a count result reaches 17, the counter lets the AND gate close. Therefore, just when one of the check results written to the result registers is in the "out-of-range" state, the bar width count value written to each buffer is output. The bar width count values input thereafter are disposed of.

    摘要翻译: 具有表示白色和黑色条的宽度的计数值的条,其被相互获得输入到以16级串联连接的缓冲器。 每当输入新的条形宽度计数值时,写入这些缓冲器的条形宽度计数值被顺序地移位。 比较电路将相同颜色的相邻条的宽度彼此进行比较,并且检查它们之间的比率是否在彼此的0.2-5.0倍的范围内。 该比较电路的比较结果被写入到13个阶段串联连接的结果寄存器。 每当输入新的条形宽度计数值时,写入这些结果寄存器的检查结果顺序地移动。 因此,如果写入所有结果寄存器的所有检查结果表示“范围内”状态,则十五个或更多个条连续满足条形码条件。 因此,计数器使AND门打开。 如果写入结果寄存器的检查结果中的一个指示“超出范围”状态,则计数器开始计数。 然后,当计数结果达到17时,计数器使AND门关闭。 因此,当写入结果寄存器的检查结果之一处于“超出范围”状态时,输出写入每个缓冲区的条形宽度计数值。 然后处理其后输入的条宽计数值。

    Bar code reading apparatus for reading plural code systems
    32.
    发明授权
    Bar code reading apparatus for reading plural code systems 失效
    用于读取多个代码系统的条形码读取装置

    公开(公告)号:US6095419A

    公开(公告)日:2000-08-01

    申请号:US715975

    申请日:1996-09-19

    CPC分类号: G06K7/14

    摘要: A demodulated data storage buffer is stored with bar width data sets obtained by scanning a coupon code with a scan optical system. A CPU first executes a demodulating process on these bar width data sets in accordance with a demodulation algorithm in a WPC code system. If an end guard bar (RGB) of the WPC code is contained in the demodulated data by the demodulating process, the demodulating process is executed on the same bar width data sets in accordance with a demodulation algorithm in a CODE 128 code system.

    摘要翻译: 存储解调数据存储缓冲器,其中通过用扫描光学系统扫描优惠券代码而获得的条宽数据集。 CPU首先根据WPC代码系统中的解调算法对这些条宽数据集进行解调处理。 如果通过解调处理在解调数据中包含WPC码的结束保护条(RGB),则根据CODE 128码系统中的解调算法在相同的条宽数据集上执行解调处理。

    Bar code reading apparatus for reading plural code systems
    33.
    发明授权
    Bar code reading apparatus for reading plural code systems 有权
    用于读取多个代码系统的条形码读取装置

    公开(公告)号:US06321987B1

    公开(公告)日:2001-11-27

    申请号:US09534155

    申请日:2000-03-24

    IPC分类号: G06K710

    CPC分类号: G06K7/14

    摘要: A demodulated data storage buffer is stored with bar width data sets obtained by scanning a coupon code with a scan optical system. A CPU first executes a demodulating process on these bar width data sets in accordance with a demodulation algorithm in a WPC code system. If an end guard bar (RGB) of the WPC code is contained in the demodulated data by the demodulating process, the demodulating process is executed on the same bar width data sets in accordance with a demodulation algorithm in a CODE 128 code system.

    摘要翻译: 存储解调数据存储缓冲器,其中通过用扫描光学系统扫描优惠券代码而获得的条宽数据集。 CPU首先根据WPC代码系统中的解调算法对这些条宽数据集进行解调处理。 如果通过解调处理在解调数据中包含WPC码的结束保护条(RGB),则根据CODE 128码系统中的解调算法在相同的条宽数据集上执行解调处理。

    Apparatus for and method of reading a bar code
    34.
    发明授权
    Apparatus for and method of reading a bar code 失效
    读取条码的装置和方法

    公开(公告)号:US5798510A

    公开(公告)日:1998-08-25

    申请号:US654417

    申请日:1996-05-28

    IPC分类号: G06K7/10 G06K7/14

    摘要: A bar code recognizing/demodulating circuit compares with each other a demodulated data string including a start bar but excluding an end bar and a demodulated data string including the end bar but excluding the start bar among a variety of demodulated data strings obtained by a scan/convergence optical system scanning a bar code. A total sum of the numbers of digits of the two demodulated data strings is detected, and whether the total sum is larger than the number of digits of the bar code to be read is checked. If larger than the number of digits of the bar code, whether data of overlapped portions of the two demodulated data strings coincide with each other is checked. If coincident, demodulated data corresponding to the whole bar code are synthesized based on the two demodulated data strings.

    摘要翻译: 条形码识别/解调电路将扫描/解调电路获得的各种解调数据串中的解调数据串彼此进行比较,该解调数据串包括起始条但不包括结束条和解调数据串, 会聚光学系统扫描条码。 检测两个解调数据串的数字的总和,并且检查总和是否大于待读取的条形码的位数。 如果大于条形码的位数,则检查两个解调数据串的重叠部分的数据是否彼此一致。 如果一致,则根据两个解调的数据串来合成对应于整个条形码的解调数据。

    Commodity information management system
    35.
    发明授权
    Commodity information management system 失效
    商品信息管理系统

    公开(公告)号:US06719202B1

    公开(公告)日:2004-04-13

    申请号:US09282450

    申请日:1999-03-31

    IPC分类号: G06K710

    摘要: A commodity information management system including a deactivator for deactivating a security tag activated and attached to a commodity after a barcode is read by a reader, a magnetic detector for detecting magnetism of the security tag having been deactivated by the deactivator, and a control section for sending the result of detection by the magnetic detector to an operator with an LED and a speaker. The operator recognizes whether the security of the security tag is released or not according to the light through the LED and sound by the speaker.

    摘要翻译: 一种商品信息管理系统,包括用于在由读取器读取条形码之后去激活激活并附加到商品的安全标签的去激活器,用于检测由所述去激活器停用的所述安全标签的磁性的磁检测器,以及用于 通过LED和扬声器将磁检测器的检测结果发送到操作者。 操作者根据通过LED的光和扬声器的声音来识别安全标签的安全性是否被释放。

    Bar code reader, scaling device and scaling method
    36.
    发明授权
    Bar code reader, scaling device and scaling method 失效
    条码阅读器,缩放设备和缩放方法

    公开(公告)号:US06488207B1

    公开(公告)日:2002-12-03

    申请号:US09473987

    申请日:1999-12-29

    IPC分类号: G06K1500

    摘要: A bar code reader includes bar code processing units (10, 11) for generating a bright/dark pattern forming a bar code (40) by optically scanning a bar code forming surface of an object (4), converting into plural categories of module values indicating widths of the respective areas, and demodulating the bar code into character data, a scaling unit for creating scale data by scaling a weight of the object to be sold by weight, a adjustment control unit (11) to perform zero-setting in response to a request for initializing the scaling unit, and a weight change detecting unit (11) for judging at least one of an increment change and a decrement change from zero in weight, and making a corresponding piece of scale data visibly displayed when in the increment change and making an absolute value of a corresponding piece of scale data visibly displayed when in the decrement change.

    摘要翻译: 条形码阅读器包括条形码处理单元(10,11),用于通过光学扫描对象(4)的条形码形成表面来产生形成条形码(40)的亮/暗图案,转换成多类模块值 指示各个区域的宽度,并将条形码解码为字符数据;缩放单元,用于通过缩放通过权重销售的待销售对象的权重来创建比例数据;调整控制单元(11),以响应于零设置 以及用于初始化缩放单元的请求,以及权重变化检测单元(11),用于从加权中从零开始增加改变和递减变化中的至少一个,并且当增量中显示相应的比例数据时可视地显示 当减量变化时,更改并显示对应的比例数据的绝对值。

    Imaging device
    37.
    发明授权
    Imaging device 失效
    成像设备

    公开(公告)号:US06827268B2

    公开(公告)日:2004-12-07

    申请号:US09970981

    申请日:2001-10-05

    IPC分类号: G06K1906

    摘要: A still image of a moving object is restored from portions including the object in an image by using a movement distance of the object during an exposure time and the difference value between output values of adjacent pixels, the movement distance being calculated as a number of pixels. Therefore, especially in cases where a moving bar code is imaged, even if the image of the bar code is blurred as a result of the movement of the bar code during imaging, a still image of the bar code in which the outlines of the black portions and white portions of the bar code are clear can be obtained. Accordingly, bar code information can be read out from the imaged bar code.

    摘要翻译: 移动物体的静止图像通过使用曝光时间期间的物体的移动距离和相邻像素的输出值之间的差值,从包括图像中的物体的部分恢复,移动距离被计算为像素数 。 因此,特别是在移动条形码被成像的情况下,即使条形码图像在成像期间由于条形码的移动而变模糊,条形码的静止图像中黑色轮廓线 可以获得条形码的部分和白色部分。 因此,可以从成像的条形码中读出条形码信息。

    POS system, an optical reader, and an information processing system

    公开(公告)号:US06520413B2

    公开(公告)日:2003-02-18

    申请号:US10042167

    申请日:2002-01-11

    IPC分类号: G06K710

    CPC分类号: G06K17/0022 G06Q10/02

    摘要: A POS system comprises a host computer providing a centralized control over a plurality of scanners, and a printer for printing a batch setting bar code or the like. A CPU of the scanner reads the changes in the setting from its own memory when it receives a first transmission request command and then transmits the data to the host computer as a first batch setting data. From this first batch setting data, a first batch setting bar code is generated. When this first batch setting bar code is read using the reader of the scanner whose setting has not been changed, the setting in the memory of this scanner is changed to the setting represented by the first batch setting data. Thus, setting in a plurality of scanners can speedily and accurately be changed.

    Optical code reader using binarization circuit and binarization circuit
    39.
    发明授权
    Optical code reader using binarization circuit and binarization circuit 失效
    光学读码器采用二值化电路和二值化电路

    公开(公告)号:US06450405B1

    公开(公告)日:2002-09-17

    申请号:US09453572

    申请日:1999-12-02

    IPC分类号: G02B2610

    CPC分类号: G06K7/10851

    摘要: A differentiation signal DF differentiated by a differentiation unit is inputted to a slice level generation unit and to comparators. A first peak-hold circuit and a voltage division circuit generate a slice level having a slice ratio SLR that is constant to a peak value VDF of the differentiation signal DF. A second peak-hold circuit generates a slice level the slice ratio SLR of which changes in accordance with the peak value VDF. The slice level generation unit outputs their synthetic slice level SLL, which is compared by the comparators with the level of the differentiation signal DF, outputting thereby binarized signals W-GATE and B-GATE. When the level of the differentiation signal DF is high, the slice level SLL approaches the peak value VDF. Therefore, noise components contained in the differentiation signal DF cannot exceed the slice level SLL. When the level of the differentiation signal DF is low, the slice level SLL has a constant ratio to the peak value VDF. Consequently, the peak value of the amplitude of the differentiation signal DF can be detected reliably.

    摘要翻译: 由微分单元区分的微分信号DF被输入到限幅电平生成单元和比较器。 第一峰值保持电路和分压电路产生具有恒定到微分信号DF的峰值VDF的限幅比SLR的限幅电平。 第二峰值保持电路产生切片电平,其切片比SLR根据峰值VDF而变化。 限幅电平生成单元输出合成限幅电平SLL,其由比较器与微分信号DF的电平进行比较,从而输出二进制化信号W-GATE和B-GATE。 当微分信号DF的电平高时,限幅电平SLL接近峰值VDF。 因此,差分信号DF中包含的噪声分量不能超过限幅电平SLL。 当微分信号DF的电平低时,限幅电平SLL与峰值VDF具有恒定的比率。 因此,可以可靠地检测微分信号DF的振幅的峰值。

    Bar code reading apparatus and a method for the same
    40.
    发明授权
    Bar code reading apparatus and a method for the same 有权
    条码读取装置及其方法

    公开(公告)号:US06357660B1

    公开(公告)日:2002-03-19

    申请号:US09282468

    申请日:1999-03-31

    IPC分类号: G06K710

    CPC分类号: G06K7/1486 G06K7/14

    摘要: A bar code reading apparatus including a reader for reading a bar code expressing a plurality of characters, and a CPU for decoding the characters according to a result of reading by the reader. A ratio between a character length Cy of an already decoded character E2 and a length Cz of a character E7 to be decoded is calculated. When this ratio is greater than a threshold value, the black bar width B1 and black bar width B2 are corrected according to a reference black bar width X. The CPU decodes the character E7 to be decoded according to the corrected black bar width B1 and black bar width B3.

    摘要翻译: 一种条形码读取装置,包括用于读取表示多个字符的条形码的读取器,以及用于根据读取器的读取结果对字符进行解码的CPU。 计算已经解码的字符E2的字符长度Cy与要解码的字符E7的长度Cz之间的比率。 当该比率大于阈值时,根据参考黑条宽度X来校正黑条宽度B1和黑条宽度B. CPU根据校正的黑条宽度B1和黑色条纹宽度B1对要解码的字符E7进行解码 条宽B3。