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    • 3. 发明公开
    • Barcode reader with edge detection enhancement
    • Strichcode-Leser mit Verbesserung der Kantenerfassung
    • EP2455889A1
    • 2012-05-23
    • EP11189182.6
    • 2011-11-15
    • Metrologic Instruments, Inc.Hand Held Products, Inc.
    • Germaine, GennadyXian, TaoFeng, ChenWang, YnjiunZhu, XiaoxunColavito, StephenBlake, Robert
    • G06K7/10G06K7/14
    • G06K7/10851G06K7/1452
    • An optical reader for decoding an encoded symbol character of a symbology includes a scan data signal processor having as an input a scan data signal encoding information representative of the encoded symbol character. The scan data signal processor includes a first time delay stage adapted to provide a primary phase waveform from the scan data signal, a second time delay stage adapted to provide an early phase waveform from the scan data signal, and a third time delay stage adapted to provide a delayed phase waveform from the scan data signal. The early phase waveform has a propagation delay less than the primary phase waveform, and the delayed phase waveform has a propagation delay greater than the primary phase waveform. The scan data signal processor further includes a peak window detection stage for generating a peak window timeframe when an amplitude of the primary phase waveform is greater than, less than, or equal to both an amplitude of the early phase waveform and the delayed phase waveform. The optical reader further includes a digitizer circuit adapted to accept, within the peak window timeframe, the scan data signal processor output.
    • 用于解码符号系统的编码符号字符的光学读取器包括扫描数据信号处理器,其具有编码表示编码符号字符的信息的扫描数据信号作为输入。 扫描数据信号处理器包括适于从扫描数据信号提供主相波形的第一时间延迟级,适于从扫描数据信号提供早期相位波形的第二时间延迟级,以及适于 从扫描数据信号提供延迟相位波形。 早期相位波形的传播延迟小于初级相位波形,延迟相位波形的传播延迟大于主相位波形。 扫描数据信号处理器还包括峰值窗口检测级,用于当主相波形的振幅大于,小于或等于早期相位波形和延迟相位波形的振幅时产生峰值窗口时间帧。 光学读取器还包括适于在峰值窗口时间帧内接收扫描数据信号处理器输出的数字转换器电路。
    • 6. 发明公开
    • Image data collecting apparatus having global electronic shutter control
    • Bilddatensammelvorrichtung mit allgemeiner elektronischer Verschlusssteuerung
    • EP2592581A2
    • 2013-05-15
    • EP13153147.7
    • 2006-03-07
    • Hand Held Products, Inc.
    • Wang, YnjiunHavens, William H.
    • G06K7/10
    • G06K7/10851G06K7/10752G06K7/10841G06K7/1093G06K7/1404
    • The invention features an image reader (100) and a corresponding method for capturing a sharp distortion free image of a target, such as a one or two-dimensional bar code. In one embodiment, the image reader (100) comprises a two-dimensional CMOS based image sensor array (182), a timing module, an illumination module (104), and a control module (112). The time during which the target is illuminated is referred to as the illumination period. The capture of the image by the image sensor array (182) is driven by the timing module that, in one embodiment, is able to simultaneously expose substantially all of the pixels in the array. The time during which the pixels are collectively activated to photo-convert incident light into charge defines the exposure period for the sensor array. In one embodiment, at least a portion of the exposure period occurs during the illumination period.
    • 本发明的特征在于一种图像读取器(100)和用于捕获诸如一维或二维条形码之类的目标的无失真图像的相应方法。 在一个实施例中,图像读取器(100)包括基于二维CMOS的图像传感器阵列(182),定时模块,照明模块(104)和控制模块(112)。 目标被照亮的时间被称为照明周期。 由图像传感器阵列(182)捕捉图像由定时模块驱动,在一个实施例中,定时模块能够同时暴露阵列中的所有像素。 像素被集体激活以将入射光光转换成电荷的时间定义了传感器阵列的曝光周期。 在一个实施例中,曝光周期的至少一部分在照明周期期间发生。
    • 10. 发明公开
    • TERMINAL FOR LINE-OF-SIGHT RFID TAG READING
    • ENDGERÄTZUR RFID-ETIKETT-ABLESUNG AUS SICHTLINIE
    • EP3076331A3
    • 2017-01-11
    • EP16163908.3
    • 2011-09-26
    • Hand Held Products, Inc.
    • Wang, Ynjiun
    • G06K7/10G06K1/18
    • G06K7/10009G06K1/18G06K7/10019G06K7/10079G06K7/10099G06K7/10128G06K7/10366G06K7/10722
    • There is provided a terminal (1000) for use in converting an electronic product code (EPC) into a decoded bar code, the terminal comprising one or more processors (1060); a computer readable storage medium (1085); first program instructions to convert a manager number of the EPC into a manufacturer code (2202); second program instructions to convert an object class of the EPC into a product code (2204); and third program instructions to construct the decoded bar code from the manufacturer code and the product code (2206); wherein the first, second, and third program instructions are stored on the computer readable storage medium (1085) for execution by the one or more processors.
    • 提供了一种用于确定其中存储有唯一数据的一个或多个候选RFID标签(608 ABCD)中的哪一个是终端视线内的目标RFID标签(604)的终端(1000)。 终端可以包括用于指导终端的RFID读取设备的程序指令,以响应于确定对象(602)存在于视线中,执行一个或多个候选RFID标签的多个读取,以 计算一个或多个候选RFID标签中的每一个的累积RSSI,并从最高累积RSSI确定目标RFID标签。 在一个实施例中,唯一数据可以是EPC。 还提供了一种用于将EPC转换成解码条形码的终端。 终端可以包括将解码的条形码发送到诸如电子收银机(700)的计算机的程序指令。