CN103780847A - 基于板上芯片的高度集成的成像器 - Google Patents

基于板上芯片的高度集成的成像器 Download PDF

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CN103780847A
CN103780847A CN201210411590.8A CN201210411590A CN103780847A CN 103780847 A CN103780847 A CN 103780847A CN 201210411590 A CN201210411590 A CN 201210411590A CN 103780847 A CN103780847 A CN 103780847A
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pcb
light source
circuit board
image sensor
printed circuit
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陶曦
刘勇
T.史密斯
Y.P.王
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Honeywell International Inc
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Honeywell International Inc
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Priority to US14/062,239 priority patent/US9424454B2/en
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Priority to US15/240,292 priority patent/US10769393B2/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10712Fixed beam scanning
    • G06K7/10722Photodetector array or CCD scanning
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/01Details
    • G06K7/015Aligning or centering of the sensing device with respect to the record carrier
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10831Arrangement of optical elements, e.g. lenses, mirrors, prisms
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10851Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/14Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • G06K7/1404Methods for optical code recognition
    • G06K7/1408Methods for optical code recognition the method being specifically adapted for the type of code
    • G06K7/14131D bar codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50Constructional details
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50Constructional details
    • H04N23/54Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices

Abstract

本发明为基于板上芯片的高度集成的成像器。一种用于对条形码符号进行解码的装置可以包括一个图像传感器集成电路,该图像传感器集成电路具有:多个像素,用于控制一个图像传感器的定时控制电路,用于控制增益的增益电路,以及用于模拟信号到数字信号的转换的模数转换电路。该装置还可以包括用于安装图像传感器集成电路和光源库的一个PCB。在该图像传感器集成电路和/或光源库与PCB之间的连接的特征为多条导线,这些导线连接了多个结合垫和多个接触垫,其中这些导线、结合垫和接触垫提供了电气输入/输出以及在该图像传感器集成电路与印刷电路板之间的多种机械连接。该装置可以运行以便处理由图像传感器集成电路产生的图像信号从而尝试将该条形码符号解码。

Description

基于板上芯片的高度集成的成像器
发明领域
本发明大体上涉及条形码符号的解码,并且尤其涉及一种具有直接安装在印刷电路板上的多个元件的用于对条形码符号进行解码的装置。
发明背景
用于读取可解码标记的标记读取终端具有多种形式。例如,没有键盘和显示器的特征最小化的标记读取终端在销售应用中是很常见的。没有键盘和显示器的标记读取终端具有可识别的枪状形状因数,其具有可以由食指启动的手柄和触发按钮(触发器)。同样存在具备键盘和显示器的标记读取终端。配备有键盘和显示器的标记读取终端被普遍地使用在运输和仓储应用中,并且可以具有结合了显示器和键盘的形状因数。在一个配备有键盘和显示器的标记读取终端中,通常将启动输出解码消息的触发按钮放置在能够由操作者的大拇指启动的位置。没有键盘和显示器形式或者配备有键盘和显示器形式的的标记读取终端普遍使用在各种数据收集应用中,包括:销售点应用、运输应用、仓储应用、安检点应用、病人护理应用以及个人应用,这常见于配备有键盘和显示器的标记读取终端是由具有标记读取功能的个人移动手机提供的情况中。一些标记读取终端被适配为读取条形码符号,这些条形码符号包括一维(1D)的条形码、层叠式的1D条形码、以及二维(2D)条形码中的一个或多个。其他的标记读取终端被适配为读取OCR字符,而还有另外的标记读取终端被配备为读取条形码符号和OCR字符二者。
发明内容
根据一个方面,在此提供了一种用于对条形码符号进行解码的发明。该装置可以包括:一个具有多个像素的图像传感器集成电路,这些像素被安排为多个像素行和像素列;用于控制图像传感器的定时控制电路;用于控制一个或者多个信号的增益的增益电路;将模拟信号转换成数字信号的模数转换电路;以及在图像传感器集成电路的一个表面上的多个电极垫。此装置也可以包括一个光源库。进一步地,该装置可以包括一个单一印刷电路板,该印刷电路板用于接收图像传感器集成电路和光源库并且包括安置在印刷电路板的一个表面上的多个接触垫。该图像传感器集成电路可以直接安装在一个单一印刷电路板上,并且然后通过导线直接结合到印刷电路板上从而提供电气输入/输出以及图像传感器集成电路和印刷电路板之间的多种机械连接。光源库可以直接安装到一个单一印刷电路板上,并且然后通过导线直接结合到印刷电路板上从而提供电气输入/输出以及图像传感器集成电路和印刷电路板之间的多种机械连接。该装置可以运行从而处理由图像传感器集成电路产生的图像信号,从而尝试对条形码符号进行解码。
根据多个替代方面,该装置还可以进一步包括一个手持式壳体,该壳体对图像传感器集成电路和光源库进行封装。一方面,光源库可以是一个LED管芯。在另一方面中,光源库电路可以直接安装到该单一印刷电路板上,并且通过导线直接结合到印刷电路板上。在另一方面,可以将一个处理器电路直接安装到该单一印刷电路板上,并且通过导线直接结合到印刷电路板上。在另一方面,该装置可以包括一个放置在印刷电路板上的瞄准器光源库。该瞄准器光源库可以是一个LED管芯。该装置可以包括一个电气连接到印刷电路板上的瞄准器子系统。在另一方面,对由图像传感器集成电路产生的图像信号进行处理从而尝试对条形码符号进行解码可以在该壳体内执行。在另一方面,对由图像传感器集成电路产生的图像信号进行处理从而尝试对条形码符号进行解码可以在该壳体内执行。在另一方面,对由图像传感器集成电路产生的图像信号进行处理从而尝试对条形码符号进行解码可以由安置在印刷电路板上的电路执行。在另一替代方面,对由图像传感器集成电路产生的图像信号进行处理从而尝试对条形码符号进行解码可以由壳体外部的一个计算机执行。
附图简要说明
可以参见下述附图更好地理解在此描述的特征。这些附图不一定是成比例的,而重点主要在于阐述本发明的原理。在附图中,贯穿这些视图,相同的数字用于表示相同的零部件。
图1是根据本发明的一个方面的一种用于对条形码符号进行解码的装置的框图,该装置具有一个图像传感器和直接安装在一个单一印刷电路板上的LED管芯;
图2是根据本发明的一个方面的一种用于对条形码符号进行解码的装置的框图,该装置有一个图像传感器、LED管芯和直接安装在一个单一印刷电路板的LED驱动电路;
图3是根据本发明的一个方面的一种用于对条形码符号进行解码的装置的框图,该装置有一个图像传感器、LED管芯、LED驱动电路和和直接安装在一个单一印刷电路板上的处理器电路;
图4是根据本发明的一个方面的一种用于对条形码符号进行解码的装置的分解透视图;
图5是根据本发明的一个方面的一种用于对条形码符号进行解码的装置的框图,该装置具有直接安装在一个单一印刷电路板上的多个元件;以及
图6是根据本发明的一个方面的一种用于对条形码符号进行解码的装置的分解透视图。
具体实施方式
在传统的应用中,条形码引擎和其他扫描设备通常直接安置在复印刷电路板(PCB)上。需要复PCB是因为基于图像的条形码扫描器需要大量的组成部件,包括但不限于图像传感器、透镜组件、照明光源、瞄准器光源、微控制器、处理器、RAM、和/或闪速存储器,其中这些部件中的一些很大和/或很笨重。凡是用到额外PCB的地方,由于潜在的PCB之间的连接问题而造成的花费和产品故障会增加。此外,传统的应用对PCB的大小有约束或限制。
根据本发明,基于成像的条形码扫描器的不止一个部件可以安装到共同的PCB上。将组成部件放置在共同的PCB上减少了基于成像的条形码扫描器的总费用和出现故障的风险。在各种实施方案中,可以将包括例如相机模块、照明光源、和/或瞄准器光源的一个图像传感器集成电路安装到一个具有光源库的单一印刷电路板上。如果需要的话,可以将额外的元件直接安装到共同的PCB上。
现在参见图1,示出并描述了一种对条形码符号进行解码的装置1000。装置1000包括一个图像传感器1040和一个直接安装在共同的印刷电路板910上的光源库500。以下更详细地描述了图像传感器1040和光源库500。可以将其他的封装部件如光源库驱动电路920、处理器电路930以及附加电路940安装到一个与共同的印刷电路板910相连接的第二电路板950上。正如图2所示,光源库驱动电路920也可以与图像传感器1040和光源库500一起直接安装到共同的印刷电路板910上。在此实施方案中,处理器电路930和附加电路940可以安置到一个与共同的印刷电路板910连接的第二电路板950上。图3描述了一个进一步的实施方案,其中处理器电路930也与图像传感器1040、光源库500和光源驱动电路920一起直接安装到的共同的印刷电路板910上。在本实施方案中,附加电路940也可以安装到一个连接到共同的印刷电路板910的第二电路板950上。
在图4中描绘了包括图像传感器1040的印刷电路板910和直接安装到印刷电路板910上的光源库500。正如所展示的,图像传感器1040和光源库500与附加部件一起直接安装到印刷电路板910上。壳体1200可以固定到印刷电路板910上并且该壳体包括一个第一开口1202、一个第二开口1204、一个第三开口1206、和一个第四开口1208。当壳体1200安装到印刷电路板910上时,第一开口1202与光源库500对齐,并且第二开口1204与图像传感器1040对齐。进一步地,第三和第四开口1206和1208与在开口1206和1208正下面的部件对齐。可以将一个光导管1210固定在开口1202内,该开口可以如装置1000所需而使得光源库500发出的光射入或者射出壳体1200。可以将一个照明透镜组件300固定在开口1204中,该开口使得透镜组件300在目标和图像传感器1040之间传输数据。可以将一个透镜组件200固定在开口1206中从而与图像传感器1040进行交互,并且使得图像传感器1040能够对图像进行聚焦。可以将一个第二光导管1212固定在开口1208中,该开口使得光可以射入和射出壳体1200,正如装置1000的印刷电路板910上直接安装的部件所需要的。
参见图5,示出并描述了一个示例性的硬件平台,该硬件平台用来支持在此所描述的有关对条形码符号进行解码的装置1000的操作。
条形码解码装置1000可以包括一个壳体1014。装置1000可以包括:一个图像传感器1032,该图像传感器包括具有以多个像素行和像素列排列的多个像素的多像素图像传感器阵列1033;相关联的列电路1034和行电路1035。与图像传感器1032相关联的可以是放大器或者增益电路1036(放大器)以及一个模数转换器1037,该模数转换器可以将从图像传感器阵列1033读出的模拟信号形式的图像信息转化成数字信号形式的图像信息。图像传感器1032还可以有一个相关联的定时控制电路1038,用于控制例如图像传感器1032的曝光时间、施加到放大器1036上的增益。所述电路元件1032、1036、1037和1038可以被封装到一个共同的图像传感器集成电路1040中。图像传感器集成电路1040可以结合少于上面所述的元件的数量。在一个例子中,图像传感器阵列1033可以是一个混合单色和彩色图像传感器阵列,该混合单色和彩色图像传感器阵列具有没有滤色元件的第一单色像素子集和具有敏感滤色元件的第二颜色像素子集。在一个例子中,图像传感器集成电路1040可以结合一个拜耳图案过滤器,从而使得在图像传感器阵列1033中定义的是在红色像素位置的红色像素、在绿色像素位置的绿色像素、以及在蓝色像素位置的蓝色像素。通过只使用结合了拜耳图案的图像传感器阵列所提供的帧可以包括在红色像素位置的红色像素值、在绿色像素位置的绿色像素值、以及在蓝色像素位置的蓝色像素值。在一个结合了拜耳图案图像传感器的实施方案中,CPU1060在将进一步处理一个帧之前可以使用绿色像素值在绿色像素位置中间处的帧像素位置插入像素值,从而形成单色图像数据帧。作为替代方案,CPU1600在将进一步处理一个帧之前可以使用红色像素值在红色像素位置中间插入像素值,从而形成单色图像数据帧。可替代地,CPU1600进一步处理一个帧之前可以使用蓝色像素值在蓝色像素位置中间插入像素值。装置1000的成像子系统可以包括一个图像传感器1032和一个透镜组件200,该透镜组件用于将一个图像聚焦到图像传感器1032的图像传感器阵列1033上。
在装置1000的运行过程中,可以从图像传感器1032中将图像信号读出、转换、并且存储到系统存储器如RAM1080中。装置1000的存储器1085可以包括RAM1080、如EPROM1082的非易失存储器和诸如可由闪速存储器或者硬驱存储器提供的存储器内存装置1084。在一个实施方案中,装置1000可以包括CPU1600,该CPU可以被适配为读取存储在存储器1080中的图像数据并且对这种图像数据进行各种图像处理算法处理。装置1000可以包括一个直接存储器存取单元(DMA)1070,该直接存储器存取单元用于发送从图像传感器1032上读出的并且已经被转换至RAM1080中的图像信息。在另一个实施方案中,装置1000可以使用一个为总线仲裁机制(例如,PCI总线)所提供的系统总线,从而消除中央DMA控制器的需要。本领域的普通技术人员将认识到系统总线体系结构和/或用来提供在图像传感器1032和RAM1080之间的高效数据传输的直接存储器存取部件的其他实施方案都在本发明的范围和精神之内。
参见装置1000的其他方面,成像透镜组件200可以被适配为将位于基底T上的视场1240内的一个可解码标记15的图像聚焦到图像传感器阵列1033上。装置1000的视场1240的目标空间的尺寸可以具有很多不同的替代方式。视场1240的目标空间的尺寸可以变化,例如,通过将一个终端改变到目标距离、改变成像透镜组件设置、改变所读出的图像传感器阵列1033的多个像素。成像光线可以围绕成像轴线25传播。透镜组件200可以被被适配为能够具有最佳焦点的多个焦距和多个平面(最佳焦点距离)。
装置1000可以包括一个照明子系统800,用于对目标T进行照明并且还用来对照明图案1260进行投射。在本实施方案中的照明图案1260可以被投射成接近但是比视场1240大的区域,但是还可以被投射到比视场1240限定的区域更小的一个区域。照明子系统800可包括一个光源库500,该光源库含有一个或多个光源。该装置100可以被配置为使得来自光源库500的光被定向到视场1240上。因此在各种实施方案中,光源库500可以被配置为使得附接到装置1000上,而在其他实施方案中,光源库500可以是指向装置1000或者视场1240的远程或者直射光。
成像模块900可以有一个承载图像传感器1032的电路板以及一个放置在电路板的支架上的透镜组件200。照明子系统800可以有一个由一个单一光源提供的光源库500。该单一光源可以是例如LED管芯。在另一个实施方案中,光源库500可以由一个以上光源提供,例如,一个以上的LED管芯。装置1000可以被适配为使得光源库500中的一个或者多个光源各自被导向视场1240,并且被用来对照明图案1240进行投射。再次参见图5,装置1000还可以包括一个瞄准子系统600用来投射瞄准图案1242。可以包括一个光源库的瞄准子系统600可以连接到瞄准光源库功率输入单元1208上从而为瞄准子系统600的光源库供电。该瞄准光源库可以是例如一个或者多个光源。装置1000可以被适配为使得来自瞄准器光源600的一个或者多个光源被定向到视场1240并用于对瞄准图案1242进行投射。功率输入单元1208可以通过接口1108连接到系统线路1500上从而与CPU1060通信。
在一个实施方案中,照明子系统800除了光源库500之外还可以包括一个照明透镜组件300,如图5的实施方案中所示。除了或者取代照明透镜组件300,照明子系统800可以包括替代的光整形光学器件,如一个或者多个漫射器、反射镜和棱镜。在使用时,装置1000可以由操作者相对于承载有可解码标记15的目标T来定向(如,一张纸、一个包裹、另一种类型的基底),其方式为使得照明图案1260可以投射到可解码标记15上。在图5的例子中,可解码标记15通过一个一维的条形码符号提供。可解码标记15还可以通过一个二维的条形码符号或者一个光学字符识别(OCR)字符提供。参见装置1000的其他方面,透镜组件200可以由电功率输入单元1202控制,该电功率输入单元可以提供用来改变透镜组件200的最佳焦距平面的能量。在一个实施方案中,电功率输入单元1202可以作为一个受控电压源而运行,并且在另一个实施方案中,作为一个受控电流源而运行。电功率输入单元1202可以施加信号从而改变透镜组件200的光学特性,例如改变透镜组件的焦距和/或最佳焦点距离(最佳焦距平面)。光源库电功率输入单元1206可以为光源库500提供能量。在一个实施方案中,电功率输入单元1206可以作为一个受控电压源而运行。在另一个实施方案中,电功率输入单元1206可以作为一个受控电流源而运行。在另一个实施方案中电功率输入单元1206可以作为一个组合式受控电压和受控电流源而运行。电功率输入单元1206可以改变提供给光源库500(的通电水平)的电力水平,例如改变由照明子系统800的光源库500输出的照明水平从而产生照明图案1260。
在另一方面,装置1000可以包括电源1402,该电源为电网1404供电,而装置1000的电气部件可以连接到该电网上。电源1402可以连接到各种电源上,例如电池1406、串行接口1408(如,USB、RS232)、和/或AC/DC变压器1410。
进一步关于功率输入单元1206,功率输入单元1206可以包括一个由电源1402持续充电的充电电容器。功率输入单元1206可以被配置为在一定范围的通电水平上来输出电能。在曝光期间,当第一次照明和曝光控制配置激活时,照明子系统800的平均通电水平可以比照明和曝光控制配置激活时的平均通电水平更高。
装置1000还可以包括多个外围设备,这些外围设备包括一个触发器1220,该触发器可以激活一个触发信号从而激活帧读出和/或某些解码过程。装置1000可以被适配为使得触发器1220的激活会激活一个触发信号并且发起一次解码尝试。特别地,装置1000可以运行从而使得响应于触发器信号的激活而可以通过从图像传感器阵列1033读出图像信息(通常是以模拟信号的形式)并且在转换到存储器1080(该存储器可以在给定的时间缓冲连续的帧中的一个或者多个)中后存储图像信息而捕获这些连续的帧。CPU1600可以运行从而使得这些连续的帧中的一个或多个经历一次解码尝试。
为了尝试对条形码符号进行解码,例如,一个一维的条形码符号,CPU1600可以对与一列像素位置(例如,一排像素位置、一列像素位置、或者像素位置的一个对角集合)相对应的一个帧的图像数据进行处理从而确定暗区和明区的一个空间图案,并且可以将每个所确定的明区和暗区图案通过查表转化成一个字符或者一个字符串。当一个可解码标记表示是一个二维的条形码象征物的时候,一次解码尝试可以包括以下步骤:用特征检测算法对探寻器图案进行定位,根据与探寻器图案的一个预定关系对与探寻器图案相交的矩阵线进行定位,决定沿着矩阵线的暗区和明区的图案,并通过查表把每个光图案转换成一个字符或者一个字符串。正如前面所提到的,可以运行从而执行对解码可解码符号的尝试的处理的CPU1600可以结合到安置在电路板上的集成电路中。
装置1000可以包括各种接口电路用于连接外围设备到系统地址/数据总线(系统总线)1500上,从而与同样连接到系统总线1500上的CPU1600通信。装置1000可以包括用于连接图像传感器定时控制电路1038到系统总线1500上的接口电路1028,用于连接功率输入单元1202到系统总线1500上的接口电路1102,用于连接照明光源库功率输入单元1206到系统总线1500上的接口电路1106,以及用于连接触发器1220到系统总线1500上的接口电路1120。装置1000还可以包括一个通过接口1122连接到系统总线1500并且与CPU1600进行通信的显示器1222,以及通过接口1124连接到系统总线1500并且与CPU1600进行通信的指针机构1224。装置1000还可以包括通过接口1110连接到系统总线1500的范围检测器单元1210。在一个实施方案中,范围检测器单元1210可以是一个声学范围检测器单元。装置1000还可以包括通过接口1126连接到系统总线1500的一个键盘1226。装置1000的各种接口可以共用电路部件。例如,可以提供一个公共的微控制器从而提供控制输入给图像传感器定时控制电路1038以及功率输入单元1206。可以提供一个用于提供控制输入给电路1038和功率输入单元1206的公共微控制器从而协调图像传感器阵列控制和照明子系统控制之间的定时。装置1000可以包括一个通过接口1152连接到系统总线1500上并且与CPU1600通信的网络通信接口1252。网络通信接口1252可以被配置为通过网络与一个外部计算机通信。
可以被捕获并经历所述处理的图像数据的连续的帧可以是全帧(包括与每个图像传感器阵列1033的像素相对应的像素值或者在装置1000的运行期间从图像传感器阵列1033上读出的最多数目的像素。)可以被捕获并经历所述处理的图像数据的连续的帧还可以是“窗帧(windowed frame)”,该窗帧包括与少于图像传感器阵列1033的像素的一个全帧相对应的像素值。可以被捕获并经历所述处理的图像数据的连续的帧还可以包括全帧和窗帧的组合。可以通过有选择性地寻址图像传感器1032的像素而读出一个全帧用于捕获,该图像传感器具有与该全帧相对应的图像传感器阵列1033。可以通过有选择性地寻址图像传感器1032而读出一个窗帧用于捕获,该图像传感器具有与窗帧相对应的图像传感器阵列1033。在一个实施方案中,被寻址并读出的多个像素决定了一个帧的画面尺寸。相应地,全帧也可以被视为具有一个首先相对大的画面尺寸,并且窗帧可以被视为具有一个相对于全帧的画面尺寸而言较小的画面尺寸。窗帧的画面尺寸可以根据将被寻址并读出从而用来捕获一个窗帧的像素的数目而变化。
装置1000能够以一定的速率捕获图像数据帧,该速率被称为帧速率。一个典型的帧速率是每秒60帧(FPS),该速率转换到16.6毫秒的帧时(帧周期)。另一个典型的帧速率是30帧每秒,该速率转换到33.3毫秒每帧的帧时(帧周期)。可以通过减小帧画面尺寸来增加装置1000的帧速率(并且缩短帧时)。
现在参见图6,示出了一个示例装置1000。特别地,装置1000可以具有一个壳体1014,如图6所示,该壳体可以是一个手持式壳体。壳体1014被配置为封装图像传感器集成电路1040(如图4所示)。可以将一个具有用于尝试对可解码标记进行解码的CPU的微处理器集成电路安置在电路板上。这样的一个微处理器集成电路可以放置在电路板外面,例如,在一个位于壳体1014中的电路板的外部的电路板上。在另一个实施方案中,装置1000可以包括CPU1600、存储器1085、以及网络通信接口1252,该接口包括一个位于壳体1014内部的一个第一计算机(见图5)、位于壳体外部的一个第二计算机6000,具有CPU6010、存储器6020以及一个网络通信接口6030。可以将图像数据传输到第二计算机6000从而由CPU6010处理进而尝试对可解码标记进行解码。
在在此所描述的系统、方法以及装置的一个小样本如下:A1.一种基于板上芯片的高度集成的成像器,包括:
图像传感器集成电路,该图像传感器集成电路具有:在多个像素的排和列中安排的多个像素,用于控制一个图像传感器的定时和控制电路,用于控制一个或者多个信号的增益的增益电路,用于将一个模拟信号转换成一个数字信号的模数转换电路,以及在该图像传感集成电路的一个表面上的多个电极垫;
光源库;
接收该图像传感器集成电路以及该光源块的一个单一印刷电路板,该印刷电路板具有置于该印刷电路板的一个表面上的有多个接触垫;
其中在所述图像传感器集成电路与所述印刷电路板之间的一种连接的特征为多条导线,这些导线将该图像传感器上的多个结合垫连接到该印刷电路板上的该多个接触垫上,这些导线、结合垫以及接触垫提供了电气输入/输出以及在所述图像传感器集成电路与所述印刷电路板之间的多种机械连接;并且
其中在所述光源库与所述印刷电路板之间的一种连接的特征为多条导线,这些导线将该光源库上的多个结合垫连接到该印刷电路板上的多个结合垫上,这些导线和结合垫提供了电气输入/输出以及在所述光源库与所述印刷电路板之间的多种机械连接。A2.如A1所述的成像器,其中该装置运行以便用于处理由该图像传感器集成电路产生的图像信号从而尝试对该条形码符号进行解码。A3.如A1所述的成像器,进一步包括:
手持式壳体,该手持式壳体将该图像传感器集成电路以及该光源库封装。A4.如A3所述的成像器,其中这种对由该图像传感器集成电路产生的图像信号进行处理从而尝试对该条形码符号进行解码是在该壳体内执行的。A5.如A3所述的成像器,其中这种对由该图像传感器集成电路产生的图像信号进行处理从而尝试对该条形码符号进行解码是由该壳体外部的电路执行的。A6.如A1所述的成像器,其中这种对由该图像传感器集成电路产生的图像信号进行处理从而尝试对该条形码符号进行解码是由安置于所述印刷电路板上的一个电路执行的。A7.如A1所述的成像器,其中这种对由该图像传感器集成电路产生的图像信号进行处理从而尝试对该条形码符号进行解码是由该壳体外部的一个计算机执行的。A8.如A1所述的成像器,其中该光源库是LED管芯。A9.如A1所述的成像器,进一步包括:
用于控制该光源库运行的光源库驱动电路,该光源库电气连接到该光源库电路上;并且
其中在该光源库驱动电路与所述印刷电路板之间的一种连接的特征为多条导线,这些导线将该光源库驱动电路上的多个结合垫连接到该印刷电路板上的多个接触垫上,这些导线、结合垫以及接触垫提供了电气输入/输出以及在所述图像传感器集成电路与所述印刷电路板之间的多种机械连接。A10.如A9所述的成像器,进一步包括:
处理器电路;并且
其中在该处理器电路与所述印刷电路板之间的一种连接的特征为多条导线,这些导线将该处理器电路上的多个结合垫连接到该印刷电路板上的该多个接触垫上,这些导线、结合垫和接触垫提供了电气输入/输出以及在所述图像传感器集成电路与所述印刷电路板之间的多种机械连接。A11.如A1所述的成像器,进一步包括:
放置在所述印刷电路板上的瞄准器光源库。A12.如装置11所述的成像器中,其中该瞄准器光源库是LED管芯。A13.如A1所述的成像器,进一步包括:
瞄准器子系统和用于控制一个瞄准器光源库运行的瞄准器光电路,该瞄准器光源库电气连接到该瞄准器光电路上,并且该瞄准器光电路电气连接到所述印刷电路板上。
尽管已经参见多个具体的实施方案描述了本发明,但是应当理解的是本发明的真正精神和范围应该仅又本说明书所支持的权利要求书所决定。进一步地,尽管在本文的很多情况中,将系统、装置和方法描述为具有一定数量的元件,但应当理解的是可以多于或少于所提到的一定数量的元件来实现这些系统、装置和方法。另外,尽管已经描述了很多具体实施方案,但应当理解的是已经参考每个具体实施方案描述的这些特征和方面可以与每个余下的具体描述的实施方案结合使用。

Claims (13)

1.一种基于板上芯片的高度集成的成像器,包括:
图像传感器集成电路,该图像传感器集成电路具有:以多个像素行和像素列安排的多个像素,用于控制一个图像传感器的定时控制电路,用于控制一个或者多个信号的增益的增益电路,用于将一个模拟信号转换成一个数字信号的模数转换电路,以及在该图像传感器集成电路的一个表面上的多个电极垫;
光源库;
接收该图像传感器集成电路以及该光源库的一个单一印刷电路板,该印刷电路板具有置于该印刷电路板的一个表面上的多个接触垫;
其中在所述图像传感器集成电路与所述印刷电路板之间的一种连接的特征为多条导线,这些导线将该图像传感器上的多个结合垫连接到该印刷电路板上的该多个接触垫上,这些导线、结合垫以及接触垫提供了电气输入/输出以及在所述图像传感器集成电路与所述印刷电路板之间的多种机械连接;并且
其中在所述光源库与所述印刷电路板之间的一种连接的特征为多条导线,这些导线将该光源库上的多个结合垫连接到该印刷电路板上的多个结合垫上,这些导线和结合垫提供了电气输入/输出以及在所述光源库与所述印刷电路板之间的多种机械连接。
2.如权利要求1所述的成像器,其中该装置运行以便用于处理由该图像传感器集成电路产生的图像信号从而尝试对该条形码符号进行解码。
3.如权利要求1所述的成像器,进一步包括:
手持式壳体,该手持式壳体将该图像传感器集成电路以及该光源库封装。
4.如权利要求3所述的成像器,其中这种对由该图像传感器集成电路产生的图像信号进行处理从而尝试对该条形码符号进行解码是条形码符号在该壳体内执行的。
5.如权利要求3所述的成像器,其中这种对由该图像传感器集成电路产生的图像信号进行处理从而尝试对该条形码符号进行解码是条形码符号由该壳体外部的电路执行的。
6.如权利要求1所述的成像器,其中这种对由该图像传感器集成电路产生的图像信号进行处理从而尝试对该条形码符号进行解码是条形码符号由安置于所述印刷电路板上的一个电路执行的。
7.如权利要求1所述的成像器,其中这种对由该图像传感器集成电路产生的图像信号进行处理从而尝试对该条形码符号进行解码是条形码符号由该壳体外部的一个计算机执行的。
8.如权利要求1所述的成像器,其中该光源库是LED管芯。
9.如权利要求1所述的成像器,进一步包括:
用于控制该光源库运行的光源库驱动电路,该光源库被电气连接到该光源库电路上;并且
其中在该光源库驱动电路与所述印刷电路板之间的一种连接的特征为多条导线,这些导线将该光源库驱动电路上的多个结合垫连接到该印刷电路板上的多个接触垫上,这些导线、结合垫以及接触垫提供了电气输入/输出以及在所述图像传感器集成电路与所述印刷电路板之间的多种机械连接。
10.如权利要求9所述的成像器,进一步包括:
处理器电路;并且
其中在该处理器电路与所述印刷电路板之间的一种连接的特征为多条导线,这些导线将该处理器电路上的多个结合垫连接到该印刷电路板上的该多个接触垫上,这些导线、结合垫和接触垫提供了电气输入/输出以及在所述图像传感器集成电路与所述印刷电路板之间的多种机械连接。
11.如权利要求1所述的成像器,进一步包括:
放置在所述印刷电路板上的瞄准器光源库。
12.如权利要求11所述的成像器,其中该瞄准器光源库是LED管芯。
13.如权利要求1所述的成像器,进一步包括:
瞄准器子系统和用于控制瞄准器光源库运行的瞄准器光电路,该瞄准器光源库电气连接到该瞄准器光电路上,并且该瞄准器光电路电气性地连接到所述印刷电路板上。
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CN105303144B (zh) * 2015-05-21 2018-02-09 福建新大陆电脑股份有限公司 具有全局电子快门控制的条形码摄像装置

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