Method and apparatus for the reading of a bar code
    1.
    发明授权
    Method and apparatus for the reading of a bar code 失效
    用于读取条形码的方法和装置

    公开(公告)号:US6145745A

    公开(公告)日:2000-11-14

    申请号:US64022

    申请日:1998-04-21

    IPC分类号: G06K7/14 C06K7/10

    CPC分类号: G06K7/14

    摘要: A method is described for the reading of a bar code consisting of a predetermined number of code elements for the production of a binary signal with sequential high and low phases the length of which correspond to the width of the sequential code elements. In the method the code elements are scanned by the scanning beam or by a plurality of scanning beams of a bar code reader along scanning lines extending substantial parallel to one another. During this the sweeping of the scanning beam over the bar code defines a scan and a scanning plane is defined by each scanning beam when sweeping over the bar code. The angle of tilt between the respective scanning plane and A predetermined reference plane is determined for essentially each scan. During the decoding of the bar code the angles of tilt thus found are evaluated to compensate for grid errors, i.e. for irregular spacings between adjacent scanning lines. Furthermore, a method for the compensation of fluctuations in the scanning speed and also an apparatus for carrying out the method are described.

    摘要翻译: 描述了一种用于读取由预定数量的代码元素组成的条形码的方法,用于产生具有顺序的高和低相位的二进制信号,其长度对应于顺序代码元素的宽度。 在该方法中,代码元素通过扫描光束或条形码阅读器的多个扫描光束沿扫描线大体平行地扫描。 在此期间,扫描光束在条形码上的扫描定义扫描,并且扫描条形码时每个扫描光束定义扫描平面。 基本上每个扫描确定相应扫描平面与预定参考平面之间的倾斜角度。 在条形码解码期间,评估如此找到的倾斜角以补偿网格误差,即相邻扫描线之间的不规则间隔。 此外,描述了用于补偿扫描速度的波动的方法以及用于执行该方法的装置。

    Method and apparatus for the reading of a bar code
    2.
    发明授权
    Method and apparatus for the reading of a bar code 失效
    用于读取条形码的方法和装置

    公开(公告)号:US6073847A

    公开(公告)日:2000-06-13

    申请号:US44494

    申请日:1998-03-19

    IPC分类号: G06K7/14 G06K7/10

    CPC分类号: G06K7/1491 G06K7/14

    摘要: A method is described for the reading of a bar code consisting of a predetermined number of code elements for the generation of a binary signal with sequential high and low phases, the lengths of which correspond to the width of the sequential code elements, in particular with a reading direction extending obliquely to the code elements. The code elements are sensed by one or more sensing beams of a bar code reader along scanning lines extending substantially parallel to one another, with each region of a code element scanned by a scanning line forming a code element section. For substantially each scanning line those code segments which consist of a code element section, or a plurality of sequential code element sections, are detected, which are recognized as permissible code segments on the basis of preset decision criteria. A reference code element is found from mutually associated code element sections, each representing the same code element of the bar code for different scanning lines, and the binary signal is produced from the reference code elements. Furthermore, an apparatus is described for carrying out the method.

    摘要翻译: 描述了一种用于读取由预定数量的代码元素组成的条形码的方法,用于产生具有连续高和低相位的二进制信号,其长度对应于顺序码元素的宽度,特别是与 读取方向倾斜地延伸到代码元素。 代码元素由条形码阅读器的一个或多个感测光束沿着基本上彼此平行延伸的扫描线感测,码元的每个区域由扫描线扫描形成代码元素部分。 对于基本上每个扫描线,检测由代码元素部分或多个顺序代码元素部分组成的代码段,其基于预设的判定标准被识别为可允许的代码段。 从相互关联的代码元素部分找到参考代码元素,每个代码元素段代表不同扫描行的条形码的相同代码元素,并且从参考代码元素产生二进制信号。 此外,描述了用于执行该方法的装置。

    Method and apparatus for the recognition and reading of a bar code
    3.
    发明授权
    Method and apparatus for the recognition and reading of a bar code 失效
    用于识别和阅读条形码的方法和装置

    公开(公告)号:US6039253A

    公开(公告)日:2000-03-21

    申请号:US90031

    申请日:1998-06-10

    IPC分类号: G06K7/14 G06K7/10

    CPC分类号: G06K7/1486 G06K7/14

    摘要: A method and an apparatus are described for the recognition and reading of a bar code provided on an object and consisting of a plurality of code elements. The object carrying the bar code is scanned by one or more scanning beams of a bar code reader, wherein each time a scanning beam sweeps over an object a scan is formed and bright and dark regions of an object swept over during a scan are recognized as scanned elements. A width index is determined for at least some of the elements scanned during a scan and is in each case representative for the width of the element in the scanning direction. Furthermore the frequency of occurrence of the width indexes found is in each case determined and a conclusion is drawn on the presence of a bar code from the frequencies that are found.

    摘要翻译: 描述了用于识别和读取在对象上提供并由多个代码元素组成的条形码的方法和装置。 携带条形码的物体被条形码读取器的一个或多个扫描光束扫描,其中每次扫描光束扫描物体上形成扫描时,扫描期间被扫描的物体的明暗区域被识别为 扫描元素 针对在扫描期间扫描的元件中的至少一些元件确定宽度索引,并且在每种情况下代表元件在扫描方向上的宽度。 此外,发现的宽度指标的发生频率在每种情况下被确定,并且从所找到的频率中得出关于条形码存在的结论。

    Apparatus and method for the recording of images of objects moved on a conveyor device
    4.
    发明申请
    Apparatus and method for the recording of images of objects moved on a conveyor device 有权
    用于记录在传送装置上移动的物体的图像的装置和方法

    公开(公告)号:US20090095600A1

    公开(公告)日:2009-04-16

    申请号:US12285528

    申请日:2008-10-08

    摘要: An apparatus, in particular a code reader, for the recording of images of objects (14) moved on a conveyor device (12), wherein the apparatus includes a line sensor (10), in particular a line camera, which can scan objects line wise for the generation of image data of the surfaces, as well as a speed determination device (26; 30), which can determine the speed of movement of the objects (14) with respect to the line sensor (10) or their conveyed distance. At the same time an evaluation unit (26) is provided, which is adapted to match the recording frequency of the line sensor (10) to the speed of movement.

    摘要翻译: 一种用于记录在传送装置(12)上移动的物体(14)的图像的设备,特别是代码阅读器,其中该设备包括线传感器(10),特别是线路照相机,其可以扫描物体线 明智地用于产生表面的图像数据,以及速度确定装置(26; 30),其能够确定物体(14)相对于线传感器(10)的移动速度或其传送距离 。 同时,提供一个评估单元(26),该评估单元(26)适于将线传感器(10)的记录频率与运动速度相匹配。

    Method and device for the correction of the brightness of a raw image generated by a sensor matrix
    5.
    发明申请
    Method and device for the correction of the brightness of a raw image generated by a sensor matrix 有权
    用于校正由传感器矩阵产生的原始图像的亮度的方法和装置

    公开(公告)号:US20070177019A1

    公开(公告)日:2007-08-02

    申请号:US11649374

    申请日:2007-01-02

    IPC分类号: H04N5/225

    CPC分类号: G06T5/40 G06T5/009 H04N5/3572

    摘要: The invention relates to a method for the correction of the brightness of a raw image generated by a sensor matrix, in which an intensity matching is carried out at picture elements defined by a line coordinate and a column coordinate and at least one intensity value. The intensity matching comprises the application to the intensity values of the picture elements to be corrected of two intensity corrections independent of one another, in dependence on the line coordinate, on the one hand, and in dependence on the column coordinate, on the other hand. The invention furthermore relates to an optoelectronic sensor comprising a correction device. This correction device is matched to carry out the initially described intensity matching.

    摘要翻译: 本发明涉及一种用于校正由传感器矩阵产生的原始图像的亮度的方法,其中在由线坐标和列坐标和至少一个强度值定义的图像元素处执行强度匹配。 强度匹配包括一方面根据线坐标和依赖于列坐标的方式应用于彼此独立的两个强度校正要校正的像素的强度值,另一方面 。 本发明还涉及一种包括校正装置的光电传感器。 该校正装置被匹配以执行最初描述的强度匹配。

    Optical code reader with an optical scanning device
    7.
    发明授权
    Optical code reader with an optical scanning device 失效
    具有光学扫描装置的光学读码器

    公开(公告)号:US6016961A

    公开(公告)日:2000-01-25

    申请号:US3302

    申请日:1998-01-06

    IPC分类号: G06K7/00 G06K7/10

    CPC分类号: G06K7/10594 G06K2207/1012

    摘要: The invention relates to an optical code reader comprising an optical scanning device (11) having a light transmitter (27) and a photoreceiver arrangement (19), said scanning device (11) transmitting a light beam (12) executing a scanning movement into a reading zone (14) provided at a reading distance ((L) from the scanning device (11). The reading zone preferably has a substantially planar front surface (13) and, moreover, a predetermined depth. Articles (16) carrying an optically detectable article code (15) are moved through the reading zone (14) and an electronic evaluation system (17), which is provided at the output of the scanning device (11), evaluates electrical signals formed by the photoreceiver arrangement (19) from the light reflected from the code (15) to the scanning device (11) and identifies the article code (15). A reflector (18) is arranged behind the reading zone (14) and, in the absence of an article (16) in the reading zone (14), reflects light received from the scanning device (11) in a manner identifiable as coming from the reflector (18) back to the scanning device (11). An article recognition stage (21) is provided in the electronic evaluation system (17), which suppresses the article identification until no further light is received which can be identified as coming from the reflector (18).

    摘要翻译: 本发明涉及一种光学代码阅读器,它包括具有光发射器(27)和光接收器装置(19)的光学扫描装置(11),所述扫描装置(11)将执行扫描运动的光束(12) 读取区域(14)设置在与扫描装置(11)的读取距离(L)处,读取区域优选地具有基本平坦的前表面(13),此外,具有预定的深度。 可检测物品代码(15)移动通过读取区域(14),并且设置在扫描装置(11)的输出处的电子评估系统(17)评估由光接收器装置(19)形成的电信号 从代码(15)反射到扫描装置(11)并识别物品代码(15)的光,反射器(18)布置在读取区(14)的后面,并且在没有物品(16)的情况下, 在阅读区(14),反映从中收到的光 扫描设备(11)以可从反射器(18)返回到扫描设备(11)的方式识别。 在电子评估系统(17)中提供物品识别阶段(21),其抑制物品识别,直到不再接收到能够被识别为来自反射器(18)的光。

    Optoelectric sensor and method for the detection of codes
    8.
    发明申请
    Optoelectric sensor and method for the detection of codes 审中-公开
    光电传感器和检测代码的方法

    公开(公告)号:US20080310765A1

    公开(公告)日:2008-12-18

    申请号:US12155987

    申请日:2008-06-12

    IPC分类号: G06K7/00

    摘要: An optoelectronic sensor (10) for the detection of codes having a light receiver (22) is set forth which is designed for reading in segments of color image data or gray value image data as well as having an evaluation unit (30) which can assemble the image data to form a total image (100), wherein a binarizer (26) of the sensor (10) is additionally provided to generate a binary image (102) from the color image data or gray value image data.In this connection, the binarizer (26) is designed for a conversion into the binary image (102) during the reception and/or in real time in that the color image data or gray value image data of each read in segment are binarized while the further segments are still being read in.A corresponding method for the detection of codes is furthermore set forth.

    摘要翻译: 提出了一种用于检测具有光接收器(22)的代码的光电传感器(10),其被设计用于读取彩色图像数据或灰度图像数据的段,并且具有可以组装的评估单元(30) 所述图像数据形成总图像(100),其中附加地提供所述传感器(10)的二值化器(26)以从所述彩色图像数据或灰度值图像数据生成二值图像(102)。 在这方面,二值化器(26)被设计用于在接收和/或实时期间转换成二进制图像(102),因为每个读取段中的彩色图像数据或灰度值图像数据被二进制化,而 进一步的片段仍被读入。此外还阐述了用于检测代码的相应方法。

    Method and device for reading a bar code
    9.
    发明授权
    Method and device for reading a bar code 失效
    读取条形码的方法和设备

    公开(公告)号:US5866893A

    公开(公告)日:1999-02-02

    申请号:US726446

    申请日:1996-10-04

    IPC分类号: G06K7/10 G06K7/14

    CPC分类号: G06K7/10851 G06K7/14

    摘要: A method and an apparatus are set forth for the reading of a bar code consisting of a predetermined number of code elements in which a bar code reader which scans the code elements generates a binary signal with sequential high-low phases, the lengths of which correspond to the widths of the sequentially scanned code elements. Only those high-low phases whose lengths lie within a defined region are processed further as permissible code elements. Permissible code elements belonging to directly sequential high-low phases are respectively grouped into segments, and only those segments are processed further as being permissible which have at least the predetermined number of code elements. If the number of code elements of a permissible segment exceeds the predetermined number, the code elements which actually belong to the bar code to be found are determined by a start marking, a stop marking and/or a center marking contained in the segment and the bar code which has been found is decoded.

    摘要翻译: 提出了一种用于读取由预定数量的代码元素组成的条形码的方法和装置,其中扫描代码元素的条形码读取器产生具有连续高低相位的二进制信号,其长度对应于 相对于顺序扫描的代码元素的宽度。 只有长度在限定区域内的那些高低相才被进一步处理为允许的代码元素。 属于直接顺序的高低相位的允许代码元素分别被分组成段,并且仅这些段被进一步处理为具有至少预定数量的代码元素的许可。 如果允许分段的代码元素的数量超过预定数量,则实际上属于要发现的条形码的代码元素由包含在该段中的开始标记,停止标记和/或中心标记确定, 已经找到的条形码被解码。

    Apparatus and method for monitoring moved objects
    10.
    发明申请
    Apparatus and method for monitoring moved objects 有权
    用于监控移动物体的装置和方法

    公开(公告)号:US20060076415A1

    公开(公告)日:2006-04-13

    申请号:US11248121

    申请日:2005-10-11

    IPC分类号: G06K7/10

    CPC分类号: G01B11/04 B07C3/14 G01B11/00

    摘要: The invention relates to an apparatus and a method for the sensing of objects moved through the field of view of an optical sensor comprising a device for the selection of regions of interest which are each associated only with a part of the field of view of the optical sensor, wherein a distance measurement device and/or a remission measurement device is/are integrated into the optical sensor or is/are connected in front of it or after it in the direction of movement of the objects, with the distance measurement device and/or the remission measurement device being designed for the determination of the spacing and/or of the remission of the object surfaces facing the distance measurement device and/or the remission measurement device and being coupled to an evaluation circuit for the calculating of the regions of interest in dependence on the determined spacings and/or remissions.

    摘要翻译: 本发明涉及一种用于感测通过光学传感器的视场移动的物体的装置和方法,包括用于选择感兴趣区域的设备,每个区域仅与光学器件的视场的一部分相关联 传感器,其中距离测量装置和/或缓解测量装置被集成到光学传感器中,或者在物体的移动方向上或之后连接到距离测量装置和/或远程测量装置和/ 或缓释测量装置被设计用于确定面向距离测量装置和/或缓解测量装置的物体表面的间隔和/或缓解的距离,并耦合到用于计算感兴趣区域的评估电路 依赖于确定的间隔和/或缓解。