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    • 2. 发明申请
    • Method of and system for acquiring and analyzing information about the physical attributes of objects using planar laser illumination beams, velocity-driven auto-focusing and auto-zoom imaging optics, and height and velocity controlled image detection arrays
    • 使用平面激光照明光束,速度驱动自动聚焦和自动变焦成像光学元件以及高度和速度控制的图像检测阵列获取和分析关于物体的物理属性的信息的方法和系统
    • US20050023353A1
    • 2005-02-03
    • US10730481
    • 2003-12-08
    • Constantine TsikosMichael SchneeXiaoxun ZhuThomas AmundsenCharles NaylorRussell DobbsAllan WirthAndrew JankevicsCarl Knowles
    • Constantine TsikosMichael SchneeXiaoxun ZhuThomas AmundsenCharles NaylorRussell DobbsAllan WirthAndrew JankevicsCarl Knowles
    • G02B26/10G02B27/48G06K7/10H01S5/022H01S5/40G06K7/14
    • B82Y15/00G02B26/10G02B27/48G06K7/10722G06K7/10732G06K7/10811H01S5/02248H01S5/4025
    • 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.
    • 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, 系统被设计为获取图像,从而补偿入射的平面激光照明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长度上增加以增加远离成像光学元件的物体距离 的本发明,现在可以使用两种VLD和高 在传送带,手持式和保持型扫描应用中,速度CCD型图像检测器同样享有每种这样的技术所提供的优点和好处,同时避免迄今为止的缺点和缺点。
    • 3. 发明申请
    • Method of Producing Digital Images of Objects using Planar Laser Illumination Beams and Electronic Image Detection Arrays
    • 使用平面激光照明光束和电子图像检测阵列产生对象的数字图像的方法
    • US20050017074A1
    • 2005-01-27
    • US10639362
    • 2003-08-12
    • Constantine TsikosMichael SchneeXiaoxun ZhuThomas AmundsenCharles NaylorRussell DobbsAllan WirthAndrew JankevicsCarl Knowles
    • Constantine TsikosMichael SchneeXiaoxun ZhuThomas AmundsenCharles NaylorRussell DobbsAllan WirthAndrew JankevicsCarl Knowles
    • G02B26/10G02B27/48G06K7/10H01S5/022H01S5/40G06K7/14
    • B82Y15/00G02B26/10G02B27/48G06K7/10722G06K7/10732G06K7/10811H01S5/02248H01S5/4025
    • 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.
    • 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, 系统被设计为获取图像,从而补偿入射的平面激光照明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长度上增加以增加远离成像光学元件的物体距离 的本发明,现在可以使用两种VLD和高 在传送带,手持式和保持型扫描应用中,速度CCD型图像检测器同样享有每种这样的技术所提供的优点和好处,同时避免迄今为止的缺点和缺点。
    • 4. 发明申请
    • Planar laser illumination and imaging system
    • 平面激光照明和成像系统
    • US20070175999A1
    • 2007-08-02
    • US11490544
    • 2006-07-20
    • Constantine TsikosMichael SchneeXiaoxun ZhuThomas AmundsenCharles NaylorRussell DobbsCarl Knowles
    • Constantine TsikosMichael SchneeXiaoxun ZhuThomas AmundsenCharles NaylorRussell DobbsCarl Knowles
    • G06K7/10
    • B82Y15/00G02B26/10G02B26/105G02B27/48G06K7/10554G06K7/10574G06K7/10633G06K7/10683G06K7/10722G06K7/10732G06K7/10811G06K7/10861H01S5/02248
    • A hand-supportable linear-type planar laser illumination and imaging (PLIIM) based device comprising a linear image formation and detection (IFD) module having a linear array of image detection elements and also image formation optics having a field of view (FOV) focusing a linear image of an object onto the linear array of image detection elements. A pair of planar laser illumination arrays (PLIAs) is arranged on opposite sides of the linear image formation and detection module, and produces a plurality of spatially-incoherent planar laser illumination beam (PLIB) components that are optically combined with respect to other PLIB components so as to produce a composite planar laser illumination beam (PLIB) that is arranged in a coplanar relationship with at least a portion of the FOV. Each PLIA includes a plurality of planar laser illumination modules (PLIMs). Each PLIM includes a laser diode and beam focusing and diverging optics for producing one spatially-incoherent PLIB component. The composite PLIB produces a number of substantially different individual speckle noise patterns at the linear array of image detection elements during the photo-integration time period thereof. The speckle noise power observed at the linear array of image detection elements is reduced through temporal averaging of the individual speckle noise patterns during the photo-integration time period. By virtue of the present invention, it is now possible to use visible laser diodes (VLDs) to produce speckle-reduced images of objects suitable for OCR processing, while enjoying improved working distances offered by planar laser illumination techniques.
    • 一种手持式线性平面激光照明和成像(PLIIM)设备,包括具有图像检测元件线性阵列的线性图像形成和检测(IFD)模块,以及具有视场聚焦(FOV)聚焦的图像形成光学器件 物体的线性图像到图像检测元件的线性阵列上。 一对平面激光照明阵列(PLIA)布置在线性图像形成和检测模块的相对侧上,并且产生多个相对于其它PLIB组件光学组合的空间非相干平面激光照明光束(PLIB)部件 以便产生与FOV的至少一部分以共面关系布置的复合平面激光照明光束(PLIB)。 每个PLIA包括多个平面激光照明模块(PLIM)。 每个PLIM包括激光二极管和用于产生一个空间非相干PLIB组件的光束聚焦和发散光学器件。 复合PLIB在其光积分时间段期间在图像检测元件的线性阵列处产生许多基本上不同的单个斑点噪声图案。 在光积分时间段期间,通过对各个散斑噪声模式的时间平均,减少了在图像检测元件的线性阵列处观察到的斑点噪声功率。 凭借本发明,现在可以使用可见激光二极管(VLD)来产生适于OCR处理的物体的散斑图像,同时享受由平面激光照射技术提供的改进的工作距离。
    • 5. 发明申请
    • Planar laser illumination and imaging system
    • 平面激光照明和成像系统
    • US20050230477A1
    • 2005-10-20
    • US11064790
    • 2005-02-24
    • Constantine TsikosMichael SchneeXiaoxun ZhuThomas AmundsenCharles NaylorRussell DobbsCarl Knowles
    • Constantine TsikosMichael SchneeXiaoxun ZhuThomas AmundsenCharles NaylorRussell DobbsCarl Knowles
    • G02B26/10G02B27/48G06K7/10G06K7/14H01S5/022H01S5/40
    • B82Y15/00G02B26/10G02B26/105G02B27/48G06K7/10554G06K7/10574G06K7/10633G06K7/10683G06K7/10722G06K7/10732G06K7/10811G06K7/10861H01S5/02248
    • 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.
    • 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, 系统被设计为获取图像,从而补偿入射的平面激光照明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长度上增加以增加远离成像光学元件的物体距离 的本发明,现在可以使用两种VLD和高 在传送带,手持式和保持型扫描应用中,速度CCD型图像检测器同样享有每种这样的技术所提供的优点和好处,同时避免迄今为止的缺点和缺点。
    • 8. 发明申请
    • Hand-supportable planar linear illumination and imaging (PLIIM) based code symbol reading system
    • 基于手持平面线性照明和成像(PLIIM)的代码符号读取系统
    • US20080029599A1
    • 2008-02-07
    • US11633666
    • 2006-12-04
    • Constantine TskosMichael SchneeXiaoxun ZhuThomas AmundsenCharles NaylorRussell DobbsAllan WirthAndrew JankevicsCarl Knowles
    • Constantine TskosMichael SchneeXiaoxun ZhuThomas AmundsenCharles NaylorRussell DobbsAllan WirthAndrew JankevicsCarl Knowles
    • G06K7/10
    • B82Y15/00G02B26/10G02B27/48G06K7/10722G06K7/10732G06K7/10811H01S5/02248H01S5/4025
    • A hand-supportable planar linear illumination and imaging (PLIIM) based code symbol reading system comprising: a hand-supportable housing having a light transmission aperture; and a planar laser illumination and imaging module (PLIIM), disposed in the hand-supportable housing. The PLIIM includes (i) a linear image detection array having optics providing a field of view (FOV) on said linear image detection array that projects through the light transmission aperture, and (ii) at least one planar laser illumination module (PLIM) for producing a substantially planar laser illumination beam (PLIB) that extends substantially along the same plane as the FOV of the linear image detection array. This arrangement provides a coplanar illumination and imaging plane that projects through the light transmission aperture, for capturing a series of linear (1-D) digital images of an object intersecting therewith during object illumination and imaging operations. An image frame grabber then accesses 1-D digital images therefrom and composes a 2-D digital image of the object. An image data buffer buffers 2-D images received from the image frame grabber, and a decode image processor processes the digital images stored within the image data buffer so as to read one or more code symbols graphically represented in the digital images. A system controller controls the operations within the system.
    • 一种手持式平面线性照明和成像(PLIIM)代码符号读取系统,包括:具有光传输孔径的手持式外壳; 以及设置在手持式外壳中的平面激光照明和成像模块(PLIIM)。 PLIIM包括(i)线性图像检测阵列,其具有在所述线性图像检测阵列上提供通过光传输孔突出的视场(FOV)的光学元件,以及(ii)至少一个平面激光照射模块(PLIM),用于 产生基本上沿着与线性图像检测阵列的FOV相同的平面延伸的基本上平面的激光照明光束(PLIB)。 这种布置提供了共面的照明和成像平面,其投射通过光传输孔径,用于在物体照明和成像操作期间捕获与其相交的物体的一系列线性(1-D)数字图像。 然后,图像帧抓取器从其中访问1-D数字图像,并且构成该对象的2-D数字图像。 图像数据缓冲器缓冲从图像帧获取器接收的2-D图像,并且解码图像处理器处理存储在图像数据缓冲器内的数字图像,以便读取在数字图像中图形表示的一个或多个代码符号。 系统控制器控制系统内的操作。