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71. 发明申请

US20070138293A1 Hand-supportable digital image capturing and processing system employing an area-type image sensing array exposed to narrow-band illumination produced from a narrow-band illumination subsystem, transmitted through a narrow-band optical filter structure, and duration-controlled using a photodetector operated independently from said area-type image sensing array 有权
标题翻译：手持式数字图像捕获和处理系统采用暴露于由窄带照明子系统产生的窄带照明的区域型图像感测阵列，通过窄带滤光器结构传输，并且使用光电检测器操作的持续时间控制独立于所述区域型图像感测阵列
公开(公告)号：US20070138293A1
公开(公告)日：2007-06-21
申请号：US11604674
申请日：2006-11-27
申请人： Xiaoxun Zhu , Yong Liu , Ka Au , Rui Hou , Hongpeng Yu , Xi Tao , Liang Liu , Wenhua Zhang , Anatoly Kotlarsky
发明人： Xiaoxun Zhu , Yong Liu , Ka Au , Rui Hou , Hongpeng Yu , Xi Tao , Liang Liu , Wenhua Zhang , Anatoly Kotlarsky
IPC分类号： G06K7/10
CPC分类号： G06K7/10851 , G06K7/10732 , G06K7/10881
摘要： A portable digital image capturing and processing system comprising: an image formation and detection subsystem; a narrow-band illumination subsystem; a narrow-band transmission-type optical filter subsystem; an automatic light exposure measurement subsystem; and an automatic illumination control subsystem. The image formation and detection subsystem has an area-type image sensing array for detecting digital images of objects formed thereon by image formation optics providing a field of view (FOV) for the system. Within the FOV of the image formation and detection subsystem, the narrow-band illumination subsystem produces a field of narrow-band illumination consisting essentially of a narrow band of wavelengths of visible illumination. The narrow-band transmission-type optical filter subsystem transmits substantially only the narrow band of wavelengths of visible illumination produced from the narrow-band illumination subsystem, and rejects all other optical wavelengths outside the narrow band however generated by ambient illumination sources. The automatic light exposure measurement subsystem employs a photo-detector operated independently from the area-type image sensing array, for automatically measuring the light exposure incident upon a selected portion of the FOV, and producing an electrical signal representative of the light exposure measurement. The automatic illumination control subsystem responds to the electrical signal and controls the duration of narrow-band illumination produced from the narrow-band illumination subsystem.
摘要翻译：一种便携式数字图像捕获和处理系统，包括：图像形成和检测子系统; 窄带照明子系统; 窄带传输型光滤波器子系统; 自动曝光测量子系统; 和自动照明控制子系统。图像形成和检测子系统具有区域型图像感测阵列，用于通过为系统提供视场（FOV）的图像形成光学器件来检测其上形成的物体的数字图像。在图像形成和检测子系统的FOV内，窄带照明子系统产生基本上由可见光的波长窄带组成的窄带照明领域。窄带传输型光学滤波器子系统基本上仅传输从窄带照明子系统产生的可见光的窄带波长，并且拒绝由环境照明源产生的窄带外的所有其它光波长。自动曝光测量子系统使用独立于区域型图像感测阵列操作的光电检测器，用于自动测量入射在FOV的选定部分上的光照射，并产生代表曝光测量的电信号。自动照明控制子系统响应电信号并控制从窄带照明子系统产生的窄带照明的持续时间。

72. 发明申请

US20070138291A1 Hand-supportable digital image capturing and processing system employing an area-type image sensing array exposed to illumination from an led-based illumination array only when all sensor elements in said image-sensing array are activated and in a state of integration 有权
标题翻译：只有当所述图像感测阵列中的所有传感器元件被激活并处于集成状态时，手持式数字图像捕获和处理系统采用暴露于基于LED的照明阵列的照明的区域型图像感测阵列
公开(公告)号：US20070138291A1
公开(公告)日：2007-06-21
申请号：US11603272
申请日：2006-11-21
申请人： Xiaoxun Zhu , Yong Liu , Ka Au , Rui Hou , Hongpeng Yu , Xi Tao , Liang Liu , Wenhua Zhang , Anatoly Kotlarsky
发明人： Xiaoxun Zhu , Yong Liu , Ka Au , Rui Hou , Hongpeng Yu , Xi Tao , Liang Liu , Wenhua Zhang , Anatoly Kotlarsky
IPC分类号： G06K7/10
CPC分类号： G06K7/10851 , G06K7/10732 , G06K7/10881
摘要： A hand-supportable digital image capture and processing system comprises: an area-type image formation and detection subsystem having an area-type image detection array; an LED-based illumination subsystem having a LED-based illumination array; an automatic light exposure measurement and illumination control subsystem; an image capturing and buffering subsystem; and an image-processing subsystem. The LED array is automatically driven in a precise manner to globally expose the area-type image detection array with LED-based illumination only when substantially all of its rows of pixels are in a state of integration and have a common integration time, thereby enabling the capture of high quality images independent of the relative motion between the object and the hand-supportable digital image capture and processing system.
摘要翻译：手持式数字图像捕获和处理系统包括：区域型图像形成和检测子系统，具有区域型图像检测阵列; 具有基于LED的照明阵列的基于LED的照明子系统; 自动曝光测量和照明控制子系统; 图像捕获和缓冲子系统; 和图像处理子系统。 LED阵列以精确的方式被自动驱动，以便仅当基本上所有像素行都处于集成状态并且具有共同的积分时间时才能以基于LED的照明来全面暴露区域型图像检测阵列，从而使得捕获高质量的图像，与物体和手持式数字图像捕获和处理系统之间的相对运动无关。

73. 发明授权

US07637433B1 Digital image capture and processing system employing a micro-computing platform with an event-driven multi-tier modular software architecture and supporting an image-processing based illumination metering program for automatically adjusting illumination during object illumination and imaging operations 有权
标题翻译：数字图像捕获和处理系统采用具有事件驱动的多层模块化软件架构的微型计算平台，并支持基于图像处理的照明计量程序，用于在物体照明和成像操作期间自动调节照明
公开(公告)号：US07637433B1
公开(公告)日：2009-12-29
申请号：US11818155
申请日：2007-05-11
申请人： Xiaoxun Zhu , Yong Liu , Ka Man Au , Rui Hou , Hongpeng Yu , Xi Tao , Liang Liu , Wenhua Zhang , Anatoly Kotlarsky
发明人： Xiaoxun Zhu , Yong Liu , Ka Man Au , Rui Hou , Hongpeng Yu , Xi Tao , Liang Liu , Wenhua Zhang , Anatoly Kotlarsky
IPC分类号： G06K7/10
CPC分类号： G06K7/10831 , G06K7/10712 , G06K7/10732 , G06K7/14 , G06K2207/1012
摘要： A digital image capture and processing system comprising an illumination measurement subsystem for measuring the level of illumination at a particular region of the field of view (FOV) of the system during object illumination and imaging operations, and producing and storing an illumination measure for achieving a desired spatial intensity in a digital image to be formed and detected by the image formation and detection subsystem. An illumination control subsystem uses the illumination measure to control a LED-based illumination array during object illumination and imaging operations. A programmed image processor supports an image-processing based illumination metering program, as well as processes digital images formed and detected by the image formation and detection subsystem so as to read or acquire information graphically represented in the digital images. A computing platform supports the implementation of one or more of the subsystems above, and includes memory for storing at least one code symbol reading application.
摘要翻译：一种数字图像捕获和处理系统，包括用于在对象照明和成像操作期间测量系统的视场（FOV）的特定区域处的照明水平的照明测量子系统，以及产生和存储用于实现由图像形成和检测子系统形成和检测的数字图像中的期望的空间强度。照明控制子系统在对象照明和成像操作期间使用照明度量来控制基于LED的照明阵列。编程图像处理器支持基于图像处理的照明测光程序，并且处理由图像形成和检测子系统形成和检测的数字图像，以便读取或获取在数字图像中图形表示的信息。计算平台支持上述一个或多个子系统的实现，并且包括用于存储至少一个代码符号读取应用的存储器。

74. 发明授权

US07624926B2 Method of automatically reading code symbols on objects present within the field of view (FOV) of a hand-supportable digital-imaging based code symbol reader, by simultaneously projecting an image cropping zone (ICZ) framing pattern and a field of illumination within the FOV during object illumination and imaging operations 有权
标题翻译：通过在FOV内同时投影图像裁剪区域（ICZ）成帧模式和照明场来自动读取存在于手持数字图像代码符号读取器的视场（FOV）内的对象上的代码符号的方法在对象照明和成像操作期间
公开(公告)号：US07624926B2
公开(公告)日：2009-12-01
申请号：US11605854
申请日：2006-11-29
申请人： Xiaoxun Zhu , Yong Liu , Ka Man Au , Rui Hou , Hongpeng Yu , Xi Tao , Liang Liu , Wenhua Zhang , Anatoly Kotlarsky
发明人： Xiaoxun Zhu , Yong Liu , Ka Man Au , Rui Hou , Hongpeng Yu , Xi Tao , Liang Liu , Wenhua Zhang , Anatoly Kotlarsky
IPC分类号： G02B26/08
CPC分类号： G06F9/44526 , G06K7/10712 , G06K7/10732 , G06K7/10831 , G06K7/10851 , G06K7/10881 , G06K7/14 , G06K2207/1012
摘要： A hand-supportable digital-imaging based system for reading bar code symbols involving: automatically detecting the presence of an object within a field of view FOV of the system, and in response thereto, automatically generating an image cropping zone (ICZ) framing pattern and projecting the ICZ framing pattern within the FOV and onto the detected object; visually aligning the code symbol on the detected object, within the ICZ framing pattern; manually actuating a trigger switch when the code symbol on the object is located within the ICZ framing pattern, and while the ICZ framing pattern and a field of illumination are being simultaneously projected onto the object during object illumination operations, forming and capturing a digital image of the code symbol on the detected object; automatically cropping the image pixels contained within the spatial boundaries of the ICZ framing pattern, from the pixels of the digital image; and decode processing the cropped image so as to read one or more 1D and/or 2D code symbols graphically represented therein.
摘要翻译：一种用于读取条形码符号的手持式数字成像系统，包括：自动检测系统视场FOV内物体的存在，并响应于此，自动生成图像裁剪区（ICZ）成帧模式，以及将所述ICV框架图案投射到所述被检测物体内; 在ICZ成帧模式内，目视对准检测对象上的代码符号; 当物体上的代码符号位于ICZ成帧模式内时，手动启动触发开关，并且当物体照明操作期间ICZ成帧模式和照明场同时投射到物体上时，形成和捕获数字图像检测到的对象上的代码符号; 从数字图像的像素自动裁剪包含在ICZ成帧图案的空间边界内的图像像素; 并解码处理裁剪的图像，以便读取其中图形表示的一个或多个1D和/或2D代码符号。

75. 发明授权

US07503498B2 Hand-supportable digital image capturing and processing system employing an area-type image sensing array exposed to illumination from an LED-based illumination array only when all sensor elements in said image-sensing array are activated and in a state of integration 有权
标题翻译：只有当所述图像感测阵列中的所有传感器元件被激活并处于集成状态时，手持式数字图像捕获和处理系统采用暴露于基于LED的照明阵列的照明的区域型图像感测阵列
公开(公告)号：US07503498B2
公开(公告)日：2009-03-17
申请号：US11603272
申请日：2006-11-21
申请人： Xiaoxun Zhu , Yong Liu , Ka Man Au , Rui Hou , Hongpeng Yu , Xi Tao , Liang Liu , Wenhua Zhang , Anatoly Kotlarsky
发明人： Xiaoxun Zhu , Yong Liu , Ka Man Au , Rui Hou , Hongpeng Yu , Xi Tao , Liang Liu , Wenhua Zhang , Anatoly Kotlarsky
IPC分类号： G06K7/10
CPC分类号： G06K7/10851 , G06K7/10732 , G06K7/10881
摘要： A hand-supportable digital image capture and processing system comprises: an area-type image formation and detection subsystem having an area-type image detection array; an LED-based illumination subsystem having a LED-based illumination array; an automatic light exposure measurement and illumination control subsystem; an image capturing and buffering subsystem; and an image-processing subsystem. The LED array is automatically driven in a precise manner to globally expose the area-type image detection array with LED-based illumination only when substantially all of its rows of pixels are in a state of integration and have a common integration time, thereby enabling the capture of high quality images independent of the relative motion between the object and the hand-supportable digital image capture and processing system.
摘要翻译：手持式数字图像捕获和处理系统包括：区域型图像形成和检测子系统，具有区域型图像检测阵列; 具有基于LED的照明阵列的基于LED的照明子系统; 一个自动曝光测量和照明控制子系统; 图像捕获和缓冲子系统; 和图像处理子系统。 LED阵列以精确的方式被自动驱动，以便仅当基本上所有像素行都处于集成状态并且具有共同的积分时间时才能以基于LED的照明来全面暴露区域型图像检测阵列，捕获高质量的图像，与物体和手持式数字图像捕获和处理系统之间的相对运动无关。

76. 发明授权

US07527206B2 Method of setting the time duration of illumination from an LED-based illumination array employed in a digital imaging-based code symbol reader, using an image-processing based illumination metering program executed therewithin 有权
标题翻译：在基于数字成像的代码符号读取器中使用的基于LED的照明阵列设置照明持续时间的方法，使用在其中执行的基于图像处理的照明计量程序
公开(公告)号：US07527206B2
公开(公告)日：2009-05-05
申请号：US11607114
申请日：2006-11-30
申请人： Xiaoxun Zhu , Yong Liu , Ka Man Au , Rui Hou , Hongpeng Yu , Xi Tao , Liang Liu , Wenhua Zhang , Anatoly Kotlarsky
发明人： Xiaoxun Zhu , Yong Liu , Ka Man Au , Rui Hou , Hongpeng Yu , Xi Tao , Liang Liu , Wenhua Zhang , Anatoly Kotlarsky
IPC分类号： G06K7/10
CPC分类号： G06F9/44526 , G06K7/10712 , G06K7/10732 , G06K7/10831 , G06K7/10851 , G06K7/10881 , G06K7/14 , G06K2207/1012
摘要： A digital-imaging based code symbol reading system comprising an image sensing array with a field of view (FOV), an illumination subsystem with an LED illumination array, an automatic illumination measurement subsystem, an illumination control subsystem, and programmed imager processor supporting an image-processing based illumination metering program. The automatic illumination measurement subsystem automatically measures the illumination level at a particular region of the FOV and determines the illumination duration necessary to achieve a desired spatial intensity in the detected digital image. The illumination metering program automatically analyzes and measures, in real-time, the spatial intensity distribution of the digital image and determines whether or not a corrected illumination duration is required or desired when detecting the next or subsequent digital images, during the current or subsequent object illumination and imaging cycle. The previously determined illumination duration is over-written with the corrected illumination duration, which is used to drive the illumination subsystem and form and detect one or more subsequent digital images of the illuminated object.
摘要翻译：一种基于数字成像的代码符号读取系统，包括具有视场（FOV）的图像感测阵列，具有LED照明阵列的照明子系统，自动照明测量子系统，照明控制子系统和支持图像的编程成像器处理器基于加工的照明计量程序。自动照明测量子系统自动测量FOV的特定区域处的照明水平，并确定在检测到的数字图像中实现所需空间强度所需的照明持续时间。照明测光程序实时自动分析和测量数字图像的空间强度分布，并确定在当前或后续对象中检测下一个或后续数字图像时是否需要或期望校正的照明持续时间照明和成像周期。先前确定的照明持续时间用校正的照明持续时间被覆盖，该照明持续时间用于驱动照明子系统并形成和检测被照明物体的一个或多个后续数字图像。

77. 发明授权

US07681799B2 Method of reading code symbols using a digital image capturing and processing system employing a micro-computing platform with an event-driven multi-tier software architecture 有权
标题翻译：使用采用具有事件驱动的多层软件架构的微计算平台的数字图像采集和处理系统来读取代码符号的方法
公开(公告)号：US07681799B2
公开(公告)日：2010-03-23
申请号：US11821739
申请日：2007-06-25
申请人： Xiaoxun Zhu , Yong Liu , Ka Man Au , Rui Hou , Hongpeng Yu , Xi Tao , Liang Liu , Wenhua Zhang , Anatoly Kotlarsky
发明人： Xiaoxun Zhu , Yong Liu , Ka Man Au , Rui Hou , Hongpeng Yu , Xi Tao , Liang Liu , Wenhua Zhang , Anatoly Kotlarsky
IPC分类号： G06K7/10
CPC分类号： G06F9/44526 , G06K7/10712 , G06K7/10732 , G06K7/10831 , G06K7/10851 , G06K7/10881 , G06K7/14 , G06K2207/1012
摘要： A method of reading code symbols using a digital image capture and processing system which includes: an image formation and detection subsystem; an illumination subsystem; an illumination control subsystem; a digital image processing subsystem; and an input/output subsystem; and a system control subsystem. In the illustrative embodiment, a micro-computing platform implements the digital image processing subsystem, the input/output subsystem and the system control subsystem. The micro-computing platform includes a microprocessor, a memory architecture, and a multi-tier modular software architecture responsive to the generation of a triggering event within the system. Triggering events can be generated by an automatic object detector or by a manually actuated trigger switch.
摘要翻译：一种使用数字图像捕获和处理系统读取码元的方法，包括：图像形成和检测子系统; 照明子系统; 照明控制子系统; 数字图像处理子系统; 和输入/输出子系统; 和系统控制子系统。在说明性实施例中，微计算平台实现数字图像处理子系统，输入/输出子系统和系统控制子系统。微计算平台包括微处理器，存储器架构和响应于系统内产生触发事件的多层模块化软件架构。触发事件可由自动对象检测器或手动触发开关产生。

78. 发明授权

US07611064B2 Digital image capture and processing system having automatic illumination measurement and control capabilities realized using a photodetector operating independently of the image sensing array, and an image-processing based illumination metering program for automatically adjusting the illumination duration of the system during object illumination and imaging operations 有权
标题翻译：具有自动照明测量和控制功能的数字图像捕获和处理系统，其使用独立于图像感测阵列的光电检测器实现，以及基于图像处理的照明计量程序，用于在对象照明和成像操作期间自动调整系统的照明持续时间
公开(公告)号：US07611064B2
公开(公告)日：2009-11-03
申请号：US11607115
申请日：2006-11-30
申请人： Xiaoxun Zhu , Yong Liu , Ka Man Au , Rui Hou , Hongpeng Yu , Xi Tao , Liang Liu , Wenhua Zhang , Anatoly Kotlarsky
发明人： Xiaoxun Zhu , Yong Liu , Ka Man Au , Rui Hou , Hongpeng Yu , Xi Tao , Liang Liu , Wenhua Zhang , Anatoly Kotlarsky
IPC分类号： G06K7/10
CPC分类号： G06F9/44526 , G06K7/10712 , G06K7/10732 , G06K7/10831 , G06K7/10851 , G06K7/10881 , G06K7/14 , G06K2207/1012
摘要： A digital-imaging based code symbol reading system comprising an image sensing array with a field of view (FOV), an illumination subsystem with an LED illumination array, an automatic illumination measurement subsystem, an illumination control subsystem, and programmed imager processor supporting an image-processing based illumination metering program. The automatic illumination measurement subsystem, employing a photodetector operating independently from the image sensing array, is used to automatically measure the illumination level at a particular region of the FOV and determine the illumination duration necessary to achieve a desired spatial intensity in the detected digital image. The illumination metering program automatically analyzes and measures, in real-time, the spatial intensity distribution of the digital image and determines whether or not a corrected illumination duration is required or desired when detecting the next or subsequent digital images, during the current or subsequent object illumination and imaging cycle. The previously determined illumination duration is over-written with the corrected illumination duration, which is used to drive the illumination subsystem and form and detect subsequent digital images of the illuminated object.
摘要翻译：一种基于数字成像的代码符号读取系统，包括具有视场（FOV）的图像感测阵列，具有LED照明阵列的照明子系统，自动照明测量子系统，照明控制子系统和支持图像的编程成像器处理器基于加工的照明计量程序。使用独立于图像感测阵列操作的光电检测器的自动照明测量子系统用于自动测量FOV的特定区域处的照明水平，并确定在检测到的数字图像中实现所需空间强度所需的照明持续时间。照明测光程序实时自动分析和测量数字图像的空间强度分布，并确定在当前或后续对象中检测下一个或后续数字图像时是否需要或期望校正的照明持续时间照明和成像周期。先前确定的照明持续时间被用修正的照明持续时间重写，该照明持续时间用于驱动照明子系统并形成和检测照射对象的后续数字图像。

79. 发明授权

US07510122B2 Portable digital image capturing and processing system employing an area-type image sensing array exposed to illumination produced from an LED-based illumination array and measured using a photodector operated independently from said area-type image sensing array 有权
标题翻译：使用暴露于基于LED的照明阵列产生的照明的区域型图像感测阵列并使用独立于所述区域型图像感测阵列操作的光电二极管测量的便携式数字图像捕获和处理系统
公开(公告)号：US07510122B2
公开(公告)日：2009-03-31
申请号：US11604640
申请日：2006-11-27
申请人： Xiaoxun Zhu , Yong Liu , Ka Man Au , Rui Hou , Hongpeng Yu , Xi Tao , Liang Liu , Wenhua Zhang , Anatoly Kotlarsky
发明人： Xiaoxun Zhu , Yong Liu , Ka Man Au , Rui Hou , Hongpeng Yu , Xi Tao , Liang Liu , Wenhua Zhang , Anatoly Kotlarsky
IPC分类号： G06K7/10
CPC分类号： G06K7/10851 , G06K7/10732 , G06K7/10881
摘要： A portable digital image capturing and processing system comprising an image formation and detection subsystem, an LED-based illumination subsystem, an automatic light exposure measurement subsystem, and an automatic illumination control subsystem. The image formation and detection subsystem has an area-type image sensing array for detecting digital images of objects formed thereon by image formation optics providing a field of view (FOV) for the system. The automatic light exposure measurement subsystem employs a photodetector operated independently from the area-type image sensing array, for automatically measuring the light exposure incident upon a selected portion of the FOV, and producing an electrical signal representative of the light exposure measurement. The automatic illumination control subsystem responds to the electrical signal and controls the duration of LED-based illumination produced from the LED-based illumination subsystem during the image capture mode.
摘要翻译：一种便携式数字图像捕获和处理系统，包括图像形成和检测子系统，基于LED的照明子系统，自动曝光测量子系统和自动照明控制子系统。图像形成和检测子系统具有区域型图像感测阵列，用于通过为系统提供视场（FOV）的图像形成光学器件来检测其上形成的物体的数字图像。自动曝光测量子系统使用独立于区域型图像感测阵列操作的光电检测器，用于自动测量入射在FOV的选定部分上的光照，并产生代表曝光测量的电信号。自动照明控制子系统响应电信号并控制在图像拍摄模式期间从基于LED的照明子系统产生的基于LED的照明的持续时间。

80. 发明授权

US07503499B2 Digital image capturing and processing system producing narrow-band illumination when image sensor elements in a state of integration, and simultaneously detecting narrow-band illumination using an area-type image sensor and independently-operated photo-detector 有权
公开(公告)号：US07503499B2
公开(公告)日：2009-03-17
申请号：US11604672
申请日：2006-11-27
申请人： Xiaoxun Zhu , Yong Liu , Ka Man Au , Rui Hou , Hongpeng Yu , Xi Tao , Liang Liu , Wenhua Zhang , Anatoly Kotlarsky
发明人： Xiaoxun Zhu , Yong Liu , Ka Man Au , Rui Hou , Hongpeng Yu , Xi Tao , Liang Liu , Wenhua Zhang , Anatoly Kotlarsky
IPC分类号： G06K7/10
CPC分类号： G06K7/10851 , G06K7/10732 , G06K7/10881
摘要： A portable digital image capturing and processing system comprising: an image formation and detection subsystem; a narrow-band illumination subsystem; a narrow-band transmission-type optical filter subsystem; an automatic light exposure measurement subsystem; and an automatic illumination control subsystem. The image formation and detection subsystem has an area-type image sensing array for detecting digital images of objects formed thereon by image formation optics providing a field of view (FOV) for the system. Within the FOV of the image formation and detection subsystem, the narrow-band illumination subsystem produces a field of narrow-band illumination consisting essentially of a narrow band of wavelengths of visible illumination. The narrow-band transmission-type optical filter subsystem transmits substantially only the narrow band of wavelengths of visible illumination produced from the narrow-band illumination subsystem, and rejects all other optical wavelengths outside the narrow band however generated by ambient illumination sources. The automatic light exposure measurement subsystem employs a photo-detector operated independently from the area-type image sensing array, for automatically measuring the light exposure incident upon a selected portion of the FOV, and producing an electrical signal representative of the light exposure measurement. Only when all sensor elements in the image-sensing sensing array are activated and in state of integration, then narrow-band illumination is produced for illuminating objects in FOV of the system and simultaneously detected by a photo-detector for measuring light exposure within the FOV, and also by an area-type image sensing array for detecting a digital image of said illuminated object.

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