公开(公告)号：US07600689B2

公开(公告)日：2009-10-13

申请号：US11821940

申请日：2007-06-26

申请人： Constantine J. Tsikos ,  Allan Wirth ,  Timothy A. Good ,  Andrew Jankevics ,  Steve Y. Kim ,  Thomas Amundsen ,  Charles A. Naylor ,  Russell Joseph Dobbs ,  Patrick A. Giordano ,  Jeffery Yorsz ,  Mark S. Schmidt ,  Stephen J. Colavito ,  David M. Wilz, Sr. ,  Ka Man Au ,  William Svedas ,  Sankar Ghosh ,  Michael D. Schnee ,  Xiaoxun Zhu ,  C. Harry Knowles

发明人： Constantine J. Tsikos ,  Allan Wirth ,  Timothy A. Good ,  Andrew Jankevics ,  Steve Y. Kim ,  Thomas Amundsen ,  Charles A. Naylor ,  Russell Joseph Dobbs ,  Patrick A. Giordano ,  Jeffery Yorsz ,  Mark S. Schmidt ,  Stephen J. Colavito ,  David M. Wilz, Sr. ,  Ka Man Au ,  William Svedas ,  Sankar Ghosh ,  Michael D. Schnee ,  Xiaoxun Zhu ,  C. Harry Knowles

IPC分类号： G06K7/10

CPC分类号： G02B19/0066 ,  B82Y15/00 ,  G02B19/0014 ,  G02B19/0028 ,  G02B19/0057 ,  G02B19/009 ,  G02B26/10 ,  G02B26/105 ,  G02B27/0961 ,  G02B27/0966 ,  G02B27/48 ,  G06K7/10554 ,  G06K7/10683 ,  G06K7/10722 ,  G06K7/10732 ,  G06K7/10811 ,  G06K7/10861 ,  H01S5/02248 ,  H01S5/4025

摘要： Methods of and systems for illuminating objects using planar laser illumination beams having substantially-planar spatial distribution characteristics that extend through the field of view (FOV) of image formation and detection modules employed in such systems. Each planar laser illumination beam is produced from a planar laser illumination beam array (PLIA) comprising an plurality of planar laser illumination modules (PLIMs). Each PLIM comprises a visible laser diode (VLD, a focusing lens, and a cylindrical optical element arranged therewith. The individual planar laser illumination beam components produced from each PLIM are optically combined to produce a composite substantially planar laser illumination beam having substantially uniform power density characteristics over the entire spatial extend thereof and thus the working range of the system. Preferably, each planar laser illumination beam component is focused so that the minimum beam width thereof occurs at a point or plane which is the farthest or maximum object distance at which the system is designed to acquire images, thereby compensating for decreases in the power density of the incident planar laser illumination beam due to the fact that the width of the planar laser illumination beam increases in length for increasing object distances away from the imaging optics. Advanced high-resolution wavefront control methods and devices are disclosed for use with the PLIIM-based systems in order to reduce the power of speckle-noise patterns observed at the image detections thereof. By virtue of the present invention, it is now possible to use both VLDs and high-speed CCD-type image detectors in conveyor, hand-held and hold-under type imaging applications alike, enjoying the advantages and benefits that each such technology has to offer, while avoiding the shortcomings and drawbacks hitherto associated therewith.

摘要翻译： 使用具有基本上平面的空间分布特性的平面激光照明光束照射物体的方法和系统，其延伸通过图像形成的视野（FOV）和在这种系统中使用的检测模块。 每个平面激光照明光束由包括多个平面激光照射模块（PLIM）的平面激光照射束阵列（PLIA）产生。 每个PLIM包括可见激光二极管（VLD，聚焦透镜和与其配置的圆柱形光学元件），由每个PLIM产生的各个平面激光照明光束分量被光学组合以产生具有基本上均匀功率密度的复合基本上平面的激光照明光束 优选地，每个平面激光照射光束分量被聚焦，使得其最小光束宽度发生在最远或最大物体距离的点或平面处，在该点或平面处， 系统被设计成获取图像，从而补偿入射的平面激光照射光束的功率密度的降低，这是由于平面激光照射光束的宽度在增加物镜距离成像光学元件的长度上增加的事实，高级高 公开了分辨率波前控制方法和装置 与基于PLIIM的系统一起使用，以便减少在其图像检测时观察到的斑点噪声模式的功率。 凭借本发明，现在可以在输送机，手持和保持型成像应用中同时使用VLD和高速CCD型图像检测器，享受每种这样的技术具有的优点和益处 提供，同时避免迄今为止的缺点和缺点。

公开(公告)号：US07584893B2

公开(公告)日：2009-09-08

申请号：US11980074

申请日：2007-10-30

申请人： Constantine J. Tsikos ,  C. Harry Knowles ,  Xiaoxun Zhu ,  Michael D. Schnee ,  Ka Man Au ,  Allan Wirth ,  Timothy A. Good ,  Andrew Jankevics ,  Sankar Ghosh ,  Charles A. Naylor ,  Thomas Amundsen ,  Robert Blake ,  William Svedas ,  Shawn Defoney ,  Edward Skypala ,  Pirooz Vatan ,  Russell Joseph Dobbs ,  George Kolis ,  Mark C. Schmidt ,  Jeffery Yorsz ,  Patrick A. Giordano ,  Stephen J. Colavito ,  David W. Wilz, Sr. ,  Barry E. Schwartz ,  Steven Y. Kim ,  Dale Fisher ,  Jon Van Tassell

发明人： Constantine J. Tsikos ,  C. Harry Knowles ,  Xiaoxun Zhu ,  Michael D. Schnee ,  Ka Man Au ,  Allan Wirth ,  Timothy A. Good ,  Andrew Jankevics ,  Sankar Ghosh ,  Charles A. Naylor ,  Thomas Amundsen ,  Robert Blake ,  William Svedas ,  Shawn Defoney ,  Edward Skypala ,  Pirooz Vatan ,  Russell Joseph Dobbs ,  George Kolis ,  Mark C. Schmidt ,  Jeffery Yorsz ,  Patrick A. Giordano ,  Stephen J. Colavito ,  David W. Wilz, Sr. ,  Barry E. Schwartz ,  Steven Y. Kim ,  Dale Fisher ,  Jon Van Tassell

IPC分类号： G06K7/10

CPC分类号： G06K7/10732

摘要： A tunnel-type digital imaging system for use within retail shopping environments such as supermarkets. The system includes a tunnel configuration arranged about a conveyor structure for transporting objects therethrough, and an image capturing and processing subsystem embodied within the tunnel configuration, for generating a 3D digital imaging volume above the conveyor structure and within the tunnel configuration, for capturing digital 1D images of objects transported through the 3D digital imaging volume. The image capturing and processing subsystem includes a plurality of illumination and imaging stations. Each station includes a 2D imaging array having optics providing a 3D field of view (FOV) on the 2D imaging array that is projected and extends into the 3D digital imaging volume, and one or more light emitting devices configured together to produce an illumination beam that extends into the 3D FOV of the 2D imaging array. A digital image processing subsystem processing digital 1D images of objects passing through the 3D digital imaging volume, and a system control subsystem which controls and/or orchestrates the coplanar illumination and imaging subsystems during system operation.

摘要翻译： 一种隧道式数字成像系统，用于零售购物环境（如超市）。 系统包括围绕用于输送物体的输送机结构布置的隧道配置，以及体现在隧道配置内的图像捕获和处理子系统，用于在输送机结构之上和隧道配置内生成用于捕获数字1D的3D数字成像体 通过3D数字成像体积传输的物体的图像。 图像捕获和处理子系统包括多个照明和成像站。 每个站包括2D成像阵列，其具有在投影并延伸到3D数字成像体积的2D成像阵列上提供3D视场（FOV）的光学元件，以及配置在一起以产生照明光束的一个或多个发光器件， 扩展到2D成像阵列的3D FOV。 处理通过3D数字成像体的物体的数字1D图像的数字图像处理子系统，以及在系统操作期间控制和/或协调共面照明和成像子系统的系统控制子系统。

公开(公告)号：US07581681B2

公开(公告)日：2009-09-01

申请号：US11980076

申请日：2007-10-30

申请人： Constantine J. Tsikos ,  C. Harry Knowles ,  Xiaoxun Zhu ,  Michael D. Schnee ,  Ka Man Au ,  Allan Wirth ,  Timothy A. Good ,  Andrew Jankevics ,  Sankar Ghosh ,  Charles A. Naylor ,  Thomas Amundsen ,  Robert Blake ,  William Svedas ,  Shawn Defoney ,  Edward Skypala ,  Pirooz Vatan ,  Russell Joseph Dobbs ,  George Kolis ,  Mark C. Schmidt ,  Jeffery Yorsz ,  Patrick A. Giordano ,  Stephen J. Colavito ,  David W. Wilz, Sr. ,  Barry E. Schwartz ,  Steven Y. Kim ,  Dale Fisher ,  Jon Van Tassell

发明人： Constantine J. Tsikos ,  C. Harry Knowles ,  Xiaoxun Zhu ,  Michael D. Schnee ,  Ka Man Au ,  Allan Wirth ,  Timothy A. Good ,  Andrew Jankevics ,  Sankar Ghosh ,  Charles A. Naylor ,  Thomas Amundsen ,  Robert Blake ,  William Svedas ,  Shawn Defoney ,  Edward Skypala ,  Pirooz Vatan ,  Russell Joseph Dobbs ,  George Kolis ,  Mark C. Schmidt ,  Jeffery Yorsz ,  Patrick A. Giordano ,  Stephen J. Colavito ,  David W. Wilz, Sr. ,  Barry E. Schwartz ,  Steven Y. Kim ,  Dale Fisher ,  Jon Van Tassell

IPC分类号： G06K7/10

CPC分类号： G06K7/10732

摘要： A tunnel-type digital imaging system for use within retail shopping environments such as supermarkets. The system includes a tunnel configuration arranged about a conveyor structure for transporting objects therethrough, and an image capturing and processing subsystem embodied within the tunnel configuration, for generating a 3D digital imaging volume above the conveyor structure and within the tunnel configuration, for capturing digital 1D images of objects transported through the 3D imaging volume. The image capturing and processing subsystem includes a plurality of coplanar illumination and imaging stations. Each station includes a linear imaging array having optics providing a field of view (FOV) on the linear imaging array that is projected and extends into the 3D imaging volume, and one or more light emitting devices configured together to produce a substantially planar illumination beam (PLIB) that extends in substantially along the same plane as the FOV of the linear imaging array so that each the linear imaging array and corresponding one or more light emitting devices produce at least one coplanar illumination and imaging plane that projects into the 3D imaging volume. A digital image processing subsystem processing digital 1D images of objects passing through the 3D imaging volume, and a system control subsystem controls and/or orchestrates the coplanar illumination and imaging subsystems during system operation.

摘要翻译： 一种隧道式数字成像系统，用于零售购物环境（如超市）。 系统包括围绕用于输送物体的输送机结构布置的隧道配置，以及体现在隧道配置内的图像捕获和处理子系统，用于在输送机结构之上和隧道配置内生成用于捕获数字1D的3D数字成像体 通过3D成像体积传输的物体的图像。 图像捕获和处理子系统包括多个共面照明和成像站。 每个站包括线性成像阵列，该线性成像阵列具有在投射并延伸到3D成像体积的线性成像阵列上提供视场（FOV）的光学元件，以及一个或多个配置在一起以产生基本上平面的照明光束 PLIB），其基本上沿着与线性成像阵列的FOV相同的平面延伸，使得每个线性成像阵列和相应的一个或多个发光器件产生投影到3D成像体积中的至少一个共面照明和成像平面。 处理通过3D成像体的物体的数字1D图像的数字图像处理子系统，以及系统控制子系统在系统操作期间控制和/或协调共面照明和成像子系统。

公开(公告)号：US07527200B2

公开(公告)日：2009-05-05

申请号：US11471470

申请日：2006-06-20

申请人： Constantine J. Tsikos ,  C. Harry Knowles ,  Xiaoxun Zhu ,  Michael D. Schnee ,  Ka Man Au ,  Allan Wirth ,  Timothy A. Good ,  Andrew Jankevics ,  Sankar Ghosh ,  Charles A. Naylor ,  Thomas Amundsen ,  Robert Blake ,  William Svedas ,  Shawn Defoney ,  Edward Skypala ,  Pirooz Vatan ,  Russell Joseph Dobbs ,  George Kolis ,  Mark C. Schmidt ,  Jeffery Yorsz ,  Patrick A. Giordano ,  Stephen J. Colavito ,  David W. Wilz, Sr. ,  Barry E. Schwartz ,  Steven Y. Kim ,  Dale Fisher ,  Jon Van Tassell

发明人： Constantine J. Tsikos ,  C. Harry Knowles ,  Xiaoxun Zhu ,  Michael D. Schnee ,  Ka Man Au ,  Allan Wirth ,  Timothy A. Good ,  Andrew Jankevics ,  Sankar Ghosh ,  Charles A. Naylor ,  Thomas Amundsen ,  Robert Blake ,  William Svedas ,  Shawn Defoney ,  Edward Skypala ,  Pirooz Vatan ,  Russell Joseph Dobbs ,  George Kolis ,  Mark C. Schmidt ,  Jeffery Yorsz ,  Patrick A. Giordano ,  Stephen J. Colavito ,  David W. Wilz, Sr. ,  Barry E. Schwartz ,  Steven Y. Kim ,  Dale Fisher ,  Jon Van Tassell

IPC分类号： G06K7/10

CPC分类号： G06K7/10 ,  G02B19/0014 ,  G02B19/0052 ,  G02B19/0085 ,  G02B19/009 ,  G02B19/0095 ,  G02B26/10 ,  G02B27/095 ,  G02B27/48 ,  G06K7/10594 ,  G06K7/10732 ,  G06K7/146 ,  G06K9/26 ,  G06K9/325 ,  H01S5/005 ,  H01S5/02248 ,  H01S5/4025

摘要： A hand-supportable planar laser illumination and imaging (PLIIM) based device having hand-supportable housing with a light transmission aperture. A linear image formation and detection (IFD) module is mounted within the housing, and has a linear array of image detection elements and also image formation optics with a field of view (FOV). When an object is presented within the FOV, the FOV focuses a linear image of the object onto the linear array. At least one planar laser illumination module (PLIM) is mounted on the support platform, with the linear IFD module, and produces a planar laser illumination beam (PLIB) spatially aligned with respect to the FOV and arranged in a coplanar relationship with at least a portion of the FOV. A laser beam despeckling mechanism is integrated in the device, for reducing speckle-pattern noise observed the linear digital images formed and detected at the linear array of image detection elements.

摘要翻译： 具有手持式平面激光照明和成像（PLIIM）的装置，其具有带有透光孔的手持式外壳。 线性图像形成和检测（IFD）模块安装在壳体内，并且具有图像检测元件的线性阵列以及具有视场（FOV）的图像形成光学器件。 当物体在FOV内呈现时，FOV将对象的线性图像聚焦到线性阵列上。 至少一个平面激光照明模块（PLIM）与线性IFD模块一起安装在支撑平台上，并且产生相对于FOV空间对准的平面激光照明光束（PLIB），并且与至少一个 FOV的一部分。 激光束解散机构集成在该装置中，用于减少在图像检测元件的线性阵列处形成和检测到的线性数字图像所观察到的散斑图案噪声。

公开(公告)号：US07523863B2

公开(公告)日：2009-04-28

申请号：US11490544

申请日：2006-07-20

申请人： Constantine J. Tsikos ,  Michael D. Schnee ,  Xiaoxun Zhu ,  Thomas Amundsen ,  Charles A. Naylor ,  Russell Joseph Dobbs ,  Carl Harry Knowles

发明人： Constantine J. Tsikos ,  Michael D. Schnee ,  Xiaoxun Zhu ,  Thomas Amundsen ,  Charles A. Naylor ,  Russell Joseph Dobbs ,  Carl Harry Knowles

IPC分类号： G06K7/10

CPC分类号： B82Y15/00 ,  G02B26/10 ,  G02B26/105 ,  G02B27/48 ,  G06K7/10554 ,  G06K7/10574 ,  G06K7/10633 ,  G06K7/10683 ,  G06K7/10722 ,  G06K7/10732 ,  G06K7/10811 ,  G06K7/10861 ,  H01S5/02248

摘要： A hand-supportable planar illumination and imaging (PLIIM) based device having a hand-supportable housing with a light transmission aperture. A linear image formation and detection (IFD) module mounted on the support platform in the housing, and has a linear array of image detection elements and also image formation optics having a field of view (FOV) projectable through the light transmission aperture. When an object is presented in the FOV for illumination and imaging, the FOV focuses a linear image of the object onto the linear array of image detection elements. A plurality of planar illumination modules (PLIMs) are arranged in a rectilinear manner, and produce a planar illumination beam (PLIB) that is spatially aligned with respect to the FOV and arranged in a coplanar relationship with at least a portion of the FOV. Each PLIM includes a visible light emitting diode (LED) and beam forming optics for producing the PLIB.

摘要翻译： 一种手持式平面照明和成像（PLIIM）设备，其具有带有光传输孔的手持式外壳。 线性图像形成和检测（IFD）模块，其安装在壳体中的支撑平台上，并且具有图像检测元件的线性阵列，以及具有通过光传输孔径投射的视场（FOV）的成像光学器件。 当物体在FOV中呈现用于照明和成像时，FOV将物体的线性图像聚焦到图像检测元件的线性阵列上。 多个平面照明模块（PLIM）以直线方式布置，并且产生相对于FOV在空间上对齐并且与FOV的至少一部分以共面关系布置的平面照明光束（PLIB）。 每个PLIM包括可见光发光二极管（LED）和用于产生PLIB的光束形成光学器件。

公开(公告)号：US06786414B2

公开(公告)日：2004-09-07

申请号：US10059047

申请日：2002-01-28

申请人： Constantine J. Tsikos ,  Michael D. Schnee ,  Xiaoxun Zhu ,  Thomas Amundsen ,  Charles A. Naylor ,  Russell Joseph Dobbs ,  Carl Harry Knowles

发明人： Constantine J. Tsikos ,  Michael D. Schnee ,  Xiaoxun Zhu ,  Thomas Amundsen ,  Charles A. Naylor ,  Russell Joseph Dobbs ,  Carl Harry Knowles

IPC分类号： G06K710

CPC分类号： B82Y15/00 ,  G02B26/10 ,  G02B26/105 ,  G02B27/48 ,  G06K7/10554 ,  G06K7/10574 ,  G06K7/10633 ,  G06K7/10683 ,  G06K7/10722 ,  G06K7/10732 ,  G06K7/10811 ,  G06K7/10861 ,  H01S5/02248

摘要： A planar laser illumination and imaging system for illuminating an object and forming an image thereof. The planar laser illumination and imaging system which comprises an image formation and detection module having a field of view (FOV) focused at an image detecting array. A planar laser illumination array (PLIA) constructed from an plurality of planar laser illumination modules (PLIMs) is arranged in rectilinear manner. Each planar laser illumination module comprises a visible laser diode (VLD), a focusing lens, and a cylindrical optical element arranged therewith to produce a planar laser illumination beam component; and wherein the individual planar laser illumination beam components produced from the plurality of planar laser illumination modules are optically combined to produce a composite substantially planar laser illumination beam having substantially-planar spatial distribution characteristics that extend through the field of view (FOV) of the image formation and detection module, so that laser light reflected off an object illuminated by the planar laser illumination beam is focused along the field of view and onto the image detecting array to form an image of the illuminated object.

摘要翻译： 一种用于照亮物体并形成其图像的平面激光照明和成像系统。 平面激光照明和成像系统，其包括在图像检测阵列上聚焦的具有视场（FOV）的图像形成和检测模块。 由多个平面激光照射模块（PLIM）构成的平面激光照明阵列（PLIA）以直线方式布置。 每个平面激光照射模块包括可见激光二极管（VLD），聚焦透镜和与之配置的圆柱形光学元件，以产生平面激光照明光束分量; 并且其中由所述多个平面激光照射模块产生的各个平面激光照射光束分量被光学地组合以产生具有基本上平面的空间分布特征的复合基本上平面的激光照明光束，所述激光照明光束延伸通过所述图像的视场（FOV） 形成和检测模块，使得从平面激光照射光束照射的物体反射的激光被沿着视场聚焦到图像检测阵列上，以形成被照射物体的图像。

公开(公告)号：US06629641B2

公开(公告)日：2003-10-07

申请号：US09780027

申请日：2001-02-09

申请人： Constantine J. Tsikos ,  Michael D. Schnee ,  Xiaoxun Zhu ,  Thomas Amundsen ,  Charles A. Naylor ,  Russell Joseph Dobbs ,  Allan Wirth ,  Andrew Jankevics ,  Carl Harry Knowles

发明人： Constantine J. Tsikos ,  Michael D. Schnee ,  Xiaoxun Zhu ,  Thomas Amundsen ,  Charles A. Naylor ,  Russell Joseph Dobbs ,  Allan Wirth ,  Andrew Jankevics ,  Carl Harry Knowles

IPC分类号： G06K710

CPC分类号： B82Y15/00 ,  G02B26/10 ,  G02B27/48 ,  G06K7/10722 ,  G06K7/10732 ,  G06K7/10811 ,  H01S5/02248 ,  H01S5/4025

摘要： Methods of and systems for illuminating objects using planar laser illumination beams having substantially-planar spatial distribution characteristics that extend through the field of view (FOV) of image formation and detection modules employed in such systems. Each planar laser illumination beam is produced from a planar laser illumination beam array (PLIA) comprising an plurality of planar laser illumination modules (PLIMs). Each PLIM comprises a visible laser diode (VLD, a focusing lens, and a cylindrical optical element arranged therewith. The individual planar laser illumination beam components produced from each PLIM are optically combined to produce a composite substantially planar laser illumination beam having substantially uniform power density characteristics over the entire spatial extend thereof and thus the working range of the system. Preferably, each planar laser illumination beam component is focused so that the minimum beam width thereof occurs at a point or plane which is the farthest or maximum object distance at which the system is designed to acquire images, thereby compensating for decreases in the power density of the incident planar laser illumination beam due to the fact that the width of the planar laser illumination beam increases in length for increasing object distances away from the imaging optics. By virtue of the present invention, it is now possible to use both VLDs and high-speed CCD-type image detectors in conveyor, hand-held and hold-under type scanning applications alike, enjoying the advantages and benefits that each such technology has to offer, while avoiding the shortcomings and drawbacks hitherto associated therewith.

公开(公告)号：US20080156882A1

公开(公告)日：2008-07-03

申请号：US11821940

申请日：2007-06-26

申请人： Constantine J. Tsikos ,  Allan Wirth ,  Timothy A. Good ,  Andrew Jankevics ,  Steve Y. Kim ,  Thomas Amundsen ,  Charles A. Naylor ,  Russell Joseph Dobbs ,  Patrick A. Giordano ,  Jeffery Yorsz ,  Mark S. Schmidt ,  Stephen J. Colavito ,  David M. Wilz ,  Ka Man Au ,  William Svedas ,  Sankar Ghosh ,  Michael D. Schnee ,  Xiaoxun Zhu ,  C. Harry Knowles

发明人： Constantine J. Tsikos ,  Allan Wirth ,  Timothy A. Good ,  Andrew Jankevics ,  Steve Y. Kim ,  Thomas Amundsen ,  Charles A. Naylor ,  Russell Joseph Dobbs ,  Patrick A. Giordano ,  Jeffery Yorsz ,  Mark S. Schmidt ,  Stephen J. Colavito ,  David M. Wilz ,  Ka Man Au ,  William Svedas ,  Sankar Ghosh ,  Michael D. Schnee ,  Xiaoxun Zhu ,  C. Harry Knowles

IPC分类号： G06K7/01

CPC分类号： G02B19/0066 ,  B82Y15/00 ,  G02B19/0014 ,  G02B19/0028 ,  G02B19/0057 ,  G02B19/009 ,  G02B26/10 ,  G02B26/105 ,  G02B27/0961 ,  G02B27/0966 ,  G02B27/48 ,  G06K7/10554 ,  G06K7/10683 ,  G06K7/10722 ,  G06K7/10732 ,  G06K7/10811 ,  G06K7/10861 ,  H01S5/02248 ,  H01S5/4025

摘要： Methods of and systems for illuminating objects using planar laser illumination beams having substantially-planar spatial distribution characteristics that extend through the field of view (FOV) of image formation and detection modules employed in such systems. Each planar laser illumination beam is produced from a planar laser illumination beam array (PLIA) comprising an plurality of planar laser illumination modules (PLIMs). Each PLIM comprises a visible laser diode (VLD, a focusing lens, and a cylindrical optical element arranged therewith. The individual planar laser illumination beam components produced from each PLIM are optically combined to produce a composite substantially planar laser illumination beam having substantially uniform power density characteristics over the entire spatial extend thereof and thus the working range of the system. Preferably, each planar laser illumination beam component is focused so that the minimum beam width thereof occurs at a point or plane which is the farthest or maximum object distance at which the system is designed to acquire images, thereby compensating for decreases in the power density of the incident planar laser illumination beam due to the fact that the width of the planar laser illumination beam increases in length for increasing object distances away from the imaging optics. Advanced high-resolution wavefront control methods and devices are disclosed for use with the PLIIM-based systems in order to reduce the power of speckle-noise patterns observed at the image detections thereof. By virtue of the present invention, it is now possible to use both VLDs and high-speed CCD-type image detectors in conveyor, hand-held and hold-under type imaging applications alike, enjoying the advantages and benefits that each such technology has to offer, while avoiding the shortcomings and drawbacks hitherto associated therewith.

公开(公告)号：US20080135621A1

公开(公告)日：2008-06-12

申请号：US11980081

申请日：2007-10-30

申请人： Constantine J. Tsikos ,  C. Harry Knowles ,  Xiaoxun Zhu ,  Michael D. Schnee ,  Ka Man Au ,  Allan Wirth ,  Timothy A. Good ,  Andrew Jankevics ,  Sankar Ghosh ,  Charles A. Naylor ,  Thomas Amundsen ,  Robert Blake ,  William Svedas ,  Shawn Defoney ,  Edward Skypala ,  Pirooz Vatan ,  Russell Joseph Dobbs ,  George Kolis ,  Mark C. Schmidt ,  Jeffery Yorsz ,  Patrick A. Giordano ,  Stephen J. Colavito ,  David W. Wilz ,  Barry E. Schwartz ,  Steven Y. Kim ,  Dale Fisher ,  Jon Van Tassell

发明人： Constantine J. Tsikos ,  C. Harry Knowles ,  Xiaoxun Zhu ,  Michael D. Schnee ,  Ka Man Au ,  Allan Wirth ,  Timothy A. Good ,  Andrew Jankevics ,  Sankar Ghosh ,  Charles A. Naylor ,  Thomas Amundsen ,  Robert Blake ,  William Svedas ,  Shawn Defoney ,  Edward Skypala ,  Pirooz Vatan ,  Russell Joseph Dobbs ,  George Kolis ,  Mark C. Schmidt ,  Jeffery Yorsz ,  Patrick A. Giordano ,  Stephen J. Colavito ,  David W. Wilz ,  Barry E. Schwartz ,  Steven Y. Kim ,  Dale Fisher ,  Jon Van Tassell

IPC分类号： G06K7/10

CPC分类号： G06K7/10732

摘要： A hand-supportable planar laser illumination and imaging (PLIIM) based code symbol reader includes: a hand-supportable housing having light transmission aperture; a linear image formation and detection module having a linear image detection array; and a planar laser illumination beam (PLIB) producing device having at least one visible laser diode (VLD) for producing a planar light illumination beam (PLIB). The code symbol reader further includes image grabber for grabbing digital linear images formed and detected by the image formation and detection module, an image data buffer for buffering the digital linear images grabbed by the image grabber and constructing a two-dimensional image from a series of buffered linear digital images, and an image processing computer for processing the buffered two-dimensional digital image so as to read code symbols graphically represented in the two-dimensional digital linear image. During object illumination and imaging operations, a controller automatically controls the linear image formation and detection module, the PLIB producing device, the image frame grabber, and the image data buffer.

摘要翻译： 基于手持式平面激光照明和成像（PLIIM）的代码符号读取器包括：具有光传输孔径的手持式外壳; 具有线性图像检测阵列的线性图像形成和检测模块; 以及具有用于产生平面光照射光束（PLIB）的至少一个可见激光二极管（VLD）的平面激光照明光束（PLIB）产生装置。 代码符号读取器还包括用于抓取由图像形成和检测模块形成和检测的数字线性图像的图像获取器，用于缓冲由图像获取器抓取的数字线性图像并从一系列图像构建二维图像的图像数据缓冲器 缓冲线性数字图像，以及用于处理缓冲的二维数字图像以便读取在二维数字线性图像中图形表示的代码符号的图像处理计算机。 在物体照明和成像操作期间，控制器自动控制线性图像形成和检测模块，PLIB产生装置，图像帧抓取器和图像数据缓冲器。

公开(公告)号：US07143943B2

公开(公告)日：2006-12-05

申请号：US10639362

申请日：2003-08-12

申请人： Constantine J. Tsikos ,  Michael D. Schnee ,  Xiaoxun Zhu ,  Thomas Amundsen ,  Charles A. Naylor ,  Russell Joseph Dobbs ,  Allan Wirth ,  Andrew Jankevics ,  Carl Harry Knowles

发明人： Constantine J. Tsikos ,  Michael D. Schnee ,  Xiaoxun Zhu ,  Thomas Amundsen ,  Charles A. Naylor ,  Russell Joseph Dobbs ,  Allan Wirth ,  Andrew Jankevics ,  Carl Harry Knowles

IPC分类号： G06K7/10

CPC分类号： B82Y15/00 ,  G02B26/10 ,  G02B27/48 ,  G06K7/10722 ,  G06K7/10732 ,  G06K7/10811 ,  H01S5/02248 ,  H01S5/4025

摘要： Methods of and systems for illuminating objects using planar laser illumination beams (PLIBs) having substantially-planar spatial distribution characteristics that extend throughout the field of view (FOV) of image formation and detection modules employed in such systems. Each PLIB is produced from a planar laser illumination beam array (PLIA) comprising a plurality of planar laser illumination modules (PLIMs). Each PLIM comprises a visible laser diode (VLD), a focusing lens, and a cylindrical optical element arranged with each PLIM, which is adjustable relative to other PLIMs so as to permit precise positioning of each PLIM relative to the optical axis of the imaging optics of the image formation and detection module. The individual PLIB components produced from each PLIM are optically combined to produce a composite substantially planar laser illumination beam having substantially uniform power density characteristics over the entire spatial extend thereof and thus the working range of the system.

摘要翻译： 使用平面激光照明光束（PLIB）照明物体的方法和系统，该平面激光照明光束（PLIB）具​​有延伸到在这种系统中使用的图像形成和检测模块的视场（FOV）中的基本上平面的空间分布特性。 每个PLIB由包括多个平面激光照明模块（PLIM）的平面激光照射束阵列（PLIA）产生。 每个PLIM包括可见激光二极管（VLD），聚焦透镜和布置有每个PLIM的圆柱形光学元件，每个PLIM可相对于其它PLIM调节，以便允许每个PLIM相对于成像光学器件的光轴精确定位 的图像形成和检测模块。 从每个PLIM产生的各个PLIB组件被光学组合以产生在其整个空间延伸上具有基本均匀的功率密度特性的复合的基本上平面的激光照明光束，并因此产生系统的工作范围。