公开(公告)号：US20050045725A1

公开(公告)日：2005-03-03

申请号：US10648176

申请日：2003-08-25

申请人： Vladimir Gurevich ,  Mark Krichever ,  Bradley Carlson ,  Chinh Tan

发明人： Vladimir Gurevich ,  Mark Krichever ,  Bradley Carlson ,  Chinh Tan

IPC分类号： G06K7/10 ,  G03B7/08 ,  G06K5/00 ,  G06K7/14

CPC分类号： G06K7/10811

摘要： A system and method utilizing the principles of axial chromatic aberration for auto-focusing an image onto an image sensor are provided. The system and method are particularly suitable for incorporation within an optical code reader. A signal processor analyzes data signals representative of the intensity or magnitude of wavelength components of an impinged image onto the image sensor for determining a value indicative of the focus quality of the impinged image. An actuator controls movement of a lens in accordance with the determination until obtainment of a desired focus quality. A decoder decodes the image having the desired focus quality.

摘要翻译： 提供了利用轴向色差原理将图像自动聚焦到图像传感器上的系统和方法。 该系统和方法特别适用于并入光学代码阅读器。 信号处理器将表示入射图像的波长分量的强度或幅度的数据信号分析到图像传感器上，以确定表示冲击图像的聚焦质量的值。 执行器根据确定控制透镜的移动，直到获得期望的聚焦质量。 解码器对具有所需焦点质量的图像进行解码。

公开(公告)号：US07478754B2

公开(公告)日：2009-01-20

申请号：US10648176

申请日：2003-08-25

申请人： Vladimir Gurevich ,  Mark Krichever ,  Bradley S. Carlson ,  Chinh Tan

发明人： Vladimir Gurevich ,  Mark Krichever ,  Bradley S. Carlson ,  Chinh Tan

IPC分类号： G03B7/08

CPC分类号： G06K7/10811

摘要： A system and method utilizing the principles of axial chromatic aberration for auto-focusing an image onto an image sensor are provided. The system and method are particularly suitable for incorporation within an optical code reader. A signal processor analyzes data signals representative of the intensity or magnitude of wavelength components of an impinged image onto the image sensor for determining a value indicative of the focus quality of the impinged image. An actuator controls movement of a lens in accordance with the determination until obtainment of a desired focus quality. A decoder decodes the image having the desired focus quality.

摘要翻译： 提供了利用轴向色差原理将图像自动聚焦到图像传感器上的系统和方法。 该系统和方法特别适用于并入光学代码阅读器。 信号处理器将表示入射图像的波长分量的强度或幅度的数据信号分析到图像传感器上，以确定表示冲击图像的聚焦质量的值。 执行器根据确定控制透镜的移动，直到获得期望的聚焦质量。 解码器对具有所需焦点质量的图像进行解码。

公开(公告)号：US07762466B2

公开(公告)日：2010-07-27

申请号：US12337748

申请日：2008-12-18

申请人： Chinh Tan ,  Vladimir Gurevich ,  Rong Liu ,  Tsi David Shi ,  Igor Vinogradov ,  Ming Yu

发明人： Chinh Tan ,  Vladimir Gurevich ,  Rong Liu ,  Tsi David Shi ,  Igor Vinogradov ,  Ming Yu

IPC分类号： G06K7/10 ,  G06K7/00

CPC分类号： G06K7/10702

摘要： An imaging-based bar code reader including: an imaging system for imaging a target bar code within a field of view of the imaging system and projecting light from the field of view onto a sensor array, the imaging system generating image frames of the field of view of the imaging system; the imaging systems including an imaging lens assembly having a plurality of lens and a selection drive mechanism to select between a first optical zoom position defining a first focal length and a first field of view for imaging a target bar code at a close range and a second optical zoom position defining a second focal length and a second field of view for imaging a target bar code at a far range, the second focal length being greater than the first focal length.

摘要翻译： 一种基于成像的条形码读取器，包括：成像系统，用于对成像系统的视场内的目标条形码进行成像，并将光从视场投射到传感器阵列上，成像系统产生 成像系统的视图; 所述成像系统包括具有多个透镜和选择驱动机构的成像透镜组件，用于在限定第一焦距的第一光学变焦位置和第一视野之间进行选择，以在近距离范围内对目标条形码进行成像， 光学变焦位置限定第二焦距和第二视野，用于对远距离的目标条形码进行成像，第二焦距大于第一焦距。

公开(公告)号：US20090109534A1

公开(公告)日：2009-04-30

申请号：US11931827

申请日：2007-10-31

申请人： Vladimir Gurevich ,  David Shi ,  Chinh Tan ,  Heng Zhang

发明人： Vladimir Gurevich ,  David Shi ,  Chinh Tan ,  Heng Zhang

IPC分类号： G02B27/42

CPC分类号： G02B5/1814 ,  G02B27/42 ,  G02B27/4255

摘要： A system having a light source generating a light beam, a collimating lens collimating the light beam into a collimated light beam and a pattern generating element comprising a diffractive optical element portion and a refractive optical element portion, the pattern generating element creating a target pattern from the collimated light beam incident on the pattern generating element.

摘要翻译： 一种具有产生光束的光源的系统，将光束准直为准直光束的准直透镜和包括衍射光学元件部分和折射光学元件部分的图案产生元件，所述图案产生元件从 入射在图案生成元件上的准直光束。

公开(公告)号：US20100155485A1

公开(公告)日：2010-06-24

申请号：US12337748

申请日：2008-12-18

申请人： Chinh Tan ,  Vladimir Gurevich ,  Rong Liu ,  Tsi David Shi ,  Igor Vinogradov ,  Ming Yu

发明人： Chinh Tan ,  Vladimir Gurevich ,  Rong Liu ,  Tsi David Shi ,  Igor Vinogradov ,  Ming Yu

IPC分类号： G06K7/10

CPC分类号： G06K7/10702

摘要： An imaging-based bar code reader including: an imaging system for imaging a target bar code within a field of view of the imaging system and projecting light from the field of view onto a sensor array, the imaging system generating image frames of the field of view of the imaging system; the imaging systems including an imaging lens assembly having a plurality of lens and a selection drive mechanism to select between a first optical zoom position defining a first focal length and a first field of view for imaging a target bar code at a close range and a second optical zoom position defining a second focal length and a second field of view for imaging a target bar code at a far range, the second focal length being greater than the first focal length.

摘要翻译： 一种基于成像的条形码读取器，包括：成像系统，用于对成像系统的视场内的目标条形码进行成像，并将光从视场投射到传感器阵列上，成像系统产生 成像系统的视图; 所述成像系统包括具有多个透镜和选择驱动机构的成像透镜组件，用于在限定第一焦距的第一光学变焦位置和第一视野之间进行选择，以在近距离范围内对目标条形码进行成像， 光学变焦位置限定第二焦距和第二视野，用于对远距离的目标条形码进行成像，第二焦距大于第一焦距。

公开(公告)号：US09740902B2

公开(公告)日：2017-08-22

申请号：US13308848

申请日：2011-12-01

申请人： Carl Wittenberg ,  Edward Barkan ,  Chinh Tan

发明人： Carl Wittenberg ,  Edward Barkan ,  Chinh Tan

IPC分类号： G06K7/10

CPC分类号： G06K7/10732 ,  G06K7/10722 ,  G06K7/10811 ,  G06K7/10851 ,  G06K7/10881 ,  G06K2207/1012

摘要： Products associated with targets to be read by image capture are processed in a workstation having a window, a solid-state imager looking at a field of view extending through the window to a target to be imaged, and an illumination system for illuminating the field of view. A proximity system detects a product associated with the target in a selected zone outside the window. The proximity system has an infrared (IR) emitter for emitting IR light into an IR emission field, and an IR sensor for sensing return IR light within an IR detection field that intersects the IR emission field in the selected zone. A controller energizes the illumination system in response to the detection of the product in the selected zone, and processes return illumination light captured in the field of view by the imager.

公开(公告)号：US09071770B2

公开(公告)日：2015-06-30

申请号：US13040536

申请日：2011-03-04

申请人： Chinh Tan ,  Frederick F. Wood ,  Miklos Stern

发明人： Chinh Tan ,  Frederick F. Wood ,  Miklos Stern

IPC分类号： H04N9/31 ,  H04N9/28 ,  G06F1/16

CPC分类号： H04N9/3129 ,  G06F1/1626 ,  G06F1/1639 ,  G06F1/1696

摘要： A lightweight, compact image projection module, especially for mounting in a housing having a light-transmissive window, is operative for sweeping a composite laser beam as a pattern of linear scan lines on a planar projection surface and for causing selected pixels arranged along each linear scan line to be illuminated to produce an image of high quality and in color.

摘要翻译： 特别是用于安装在具有透光窗口的壳体中的轻巧紧凑的图像投影模块可操作用于在复合激光束上扫描作为平面投影表面上的线性扫描线的图案，并且用于使沿着每个线性排列的所选像素 扫描线被照亮以产生高品质和彩色的图像。

公开(公告)号：US20100123007A1

公开(公告)日：2010-05-20

申请号：US12313173

申请日：2008-11-18

申请人： Carl Wittenberg ,  Mark Drzymala ,  Chinh Tan

发明人： Carl Wittenberg ,  Mark Drzymala ,  Chinh Tan

IPC分类号： G06K7/10

CPC分类号： G06K7/10722 ,  G02B3/14 ,  G02B26/005

摘要： A lensholder holds at least one fixed optical lens and a variable focusing element in a spaced relation along an optical path through which light passes in an electro-optical reader. The variable focusing element has a pair of electrodes across which a voltage is applied to optically modify the light passing through the fixed optical lens and the variable focusing element. The lensholder directly electrically conductively contacts the electrodes and establishes an electrically conductive path between each electrode and an exterior of the lensholder.

摘要翻译： 透镜座沿着光通过电光读取器的光路保持至少一个固定光学透镜和可变聚焦元件的间隔关系。 可变聚焦元件具有一对电极，通过该对电极施加电压以光学地修改通过固定光学透镜和可变聚焦元件的光。 透镜座直接导电地接触电极并且在每个电极和透镜架的外部之间建立导电路径。

公开(公告)号：US20060262179A1

公开(公告)日：2006-11-23

申请号：US11131139

申请日：2005-05-17

申请人： Chinh Tan ,  Dmitriy Yavid ,  Miklos Stern ,  Carl Wittenberg

发明人： Chinh Tan ,  Dmitriy Yavid ,  Miklos Stern ,  Carl Wittenberg

IPC分类号： B41J2/435

CPC分类号： B41J2/471 ,  G02B26/101 ,  H04N9/3129

摘要： A lightweight, compact image projection module, especially for mounting in a housing having a light-transmissive window, is operative for causing selected pixels in a raster pattern to be illuminated to produce an image of high resolution of VGA quality in color. The pixels are rendered symmetrical in cross-section by aligning a narrow dimension of a beam spot of a laser beam along scan lines of the raster pattern.

摘要翻译： 特别是用于安装在具有透光窗口的壳体中的轻巧紧凑的图像投影模块可操作用于使光栅图案中的所选像素被照亮以产生VGA质量的高分辨率图像。 通过沿着光栅图案的扫描线对准激光束的光束点的窄尺寸，使像素在横截面中呈现对称。

公开(公告)号：US07077325B2

公开(公告)日：2006-07-18

申请号：US11061691

申请日：2005-02-18

申请人： Chinh Tan ,  Frederick F. Wood ,  Miklos Stern ,  Joseph Katz ,  Shane MacGregor ,  Altaf Mulla

发明人： Chinh Tan ,  Frederick F. Wood ,  Miklos Stern ,  Joseph Katz ,  Shane MacGregor ,  Altaf Mulla

IPC分类号： G06K7/10

CPC分类号： G06F17/30047 ,  B41J2002/453 ,  G06F1/1616 ,  G06F1/1626 ,  G06F1/1632 ,  G06F1/1639 ,  G06F1/1696 ,  G06F1/181 ,  G06F3/03545 ,  G06F17/30056 ,  G06F17/30876 ,  G06F17/30879 ,  G06K1/121 ,  G06K7/10772 ,  G06K7/10881 ,  G06K17/0022 ,  H04L29/12009 ,  H04L29/12594 ,  H04L61/30

摘要： A portable instrument incorporates an electro-optical assembly for reading indicia during a reading mode, and for projecting a bit-mapped image during a display mode. A manually operable switch on the instrument is disposed for selecting one of the modes. The image is formed by pulsing a laser at selected times on selected scan lines.