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    • 122. 发明授权
    • Interface for interfacing an imaging engine to an optical code reader
    • 用于将成像引擎与光学代码读取器连接的接口
    • US07073715B2
    • 2006-07-11
    • US10459935
    • 2003-06-12
    • Mehul PatelTsi David ShiThomas BianculliJoseph GiordanoEduard KoganHeng ZhangNicholas Buongervino
    • Mehul PatelTsi David ShiThomas BianculliJoseph GiordanoEduard KoganHeng ZhangNicholas Buongervino
    • G06K7/10
    • G02B7/04G02B26/10G02B27/20G06K7/10811G06K7/10851G06K9/2027G06K9/228
    • An interface assembly is provided for interfacing an imaging engine having an adjustable lens assembly to a circuitry assembly of an optical code reader system, the interface assembly includes a first coupling circuitry assembly for transmission of at least one input signal in a first direction from the circuitry assembly toward the imaging engine, the at least one input signal including at least one focus control signal for controlling the lens assembly for selecting a focus position of at least two focus positions, and a second coupling circuitry assembly for transmission of at least one output signal in a second direction from the imaging engine toward the circuitry assembly, the at least one output signal including at least one pixel data signal, wherein the at least one pixel data signal is indicative of light sensed by a photo sensor array of the imaging engine. Preferably, the imaging engine is removably positioned and/or dimensioned and configured to fit within a predetermined form factor.
    • 提供了一种接口组件,用于将具有可调节透镜组件的成像引擎与光学代码读取器系统的电路组件接口,所述接口组件包括第一耦合电路组件,用于沿第一方向从电路传输至少一个输入信号 所述至少一个输入信号包括用于控制所述透镜组件以选择至少两个焦点位置的焦点位置的至少一个焦点控制信号,以及用于传输至少一个输出信号的第二耦合电路组件 在从所述成像引擎朝向所述电路组件的第二方向上,所述至少一个输出信号包括至少一个像素数据信号,其中所述至少一个像素数据信号指示由所述成像引擎的光传感器阵列感测的光。 优选地,成像引擎可拆卸地定位和/或尺寸设计并配置成适合预定的形状因子。
    • 125. 发明授权
    • System and method for imaging and decoding optical codes using at least two different imaging settings
    • 使用至少两个不同成像设置对光学代码进行成像和解码的系统和方法
    • US07044378B2
    • 2006-05-16
    • US10633216
    • 2003-08-01
    • Mehul PatelKefei LuDavid P. GorenEdward HattonBruno Vande VyvreEugene JosephBradley S. Carlson
    • Mehul PatelKefei LuDavid P. GorenEdward HattonBruno Vande VyvreEugene JosephBradley S. Carlson
    • G06K7/10
    • G06K7/0004G06K7/0008G06K7/10386G06K7/10722G06K7/10811G06K9/726G06K19/14G06K2209/01
    • A system and method for imaging an optical code is provided including the steps of consecutively imaging an optical code respectively using at least a first and a second imaging setting; generating at least first and second sets of image data respectively corresponding to the first and second imaging settings; evaluating at least one of the first and second sets of image data; and selecting at least one of the first and second sets of image data in accordance with the evaluation. The system includes an imaging engine having a lens assembly and a photo sensor array for consecutively imaging an optical code located in a field of view of the imaging engine using at least the first and the second imaging settings, and generating the at least first and second sets of image data respectively corresponding to the first and second imaging settings. The system further includes at least one processor for evaluating the at least one of the first and second sets of image data, and selecting the at least one of the first and second sets of image data in accordance with the evaluation.
    • 提供了一种用于对光学代码进行成像的系统和方法,包括以下步骤:分别使用至少第一和第二成像设置连续成像光学代码; 生成分别对应于第一和第二成像设置的至少第一和第二组图像数据; 评估第一和第二组图像数据中的至少一个; 以及根据评估来选择第一和第二组图像数据中的至少一个。 该系统包括具有透镜组件和光传感器阵列的成像引擎,用于使用至少第一和第二成像设置对位于成像引擎的视野中的光学代码进行连续成像,并且生成至少第一和第二 分别对应于第一和第二成像设置的图像数据组。 该系统还包括至少一个用于评估第一组图像数据和第二组图像数据中的至少一个的处理器,以及根据该评估来选择第一和第二组图像数据中的至少一个。
    • 127. 发明申请
    • Memory manager for an embedded system
    • 嵌入式系统的内存管理器
    • US20060069898A1
    • 2006-03-30
    • US10956411
    • 2004-09-30
    • Mehul PatelSumita Rao
    • Mehul PatelSumita Rao
    • G06F12/00
    • G06F12/023
    • A memory manger acts on a memory that has been arranged with a predetermined number of fixed memory blocks, with each memory block set to a predefined size. These fixed blocks have been initialized to accelerate the allocation process. When a memory manger receives an allocation request, the size of the request is compared to the predefined size. If the memory manager determines that the fixed memory block handles the memory request, then the memory manager allocates one of the fixed blocks to the pending memory request. If no fixed block is available to handle the request, then the memory manager may allocate the memory from a free memory pool. The memory manager may search the available free memory blocks to identify and allocate the optimum free block that satisfies the pending allocation request.
    • 存储器管理器对已经布置有预定数量的固定存储器块的存储器起作用,每个存储器块被设置为预定义的大小。 这些固定块已经被初始化,以加速分配过程。 当存储器管理器接收到分配请求时,请求的大小与预定义的大小进行比较。 如果存储器管理器确定固定存储器块处理存储器请求,则存储器管理器将一个固定块分配给未决存储器请求。 如果没有固定块可用于处理请求,则内存管理器可以从可用内存池分配内存。 存储器管理器可以搜索可用的可用存储器块以识别并分配满足未决分配请求的最佳自由块。