| Patent | Date |
|---|
Method to generate neural network training image annotations
Grant 11,335,007 - He , et al. May 17, 2 | 2022-05-17 |
Methods and apparatus to read barcodes on reflective surfaces
Grant 11,295,104 - He , et al. April 5, 2 | 2022-04-05 |
Methods And Apparatus To Read Barcodes On Reflective Surfaces
App 20210390277 - He; Duanfeng ; et al. | 2021-12-16 |
Method To Generate Neural Network Training Image Annotations
App 20210374970 - He; Duanfeng ; et al. | 2021-12-02 |
Object Verification/Recognition with Limited Input
App 20210295043 - He; Duanfeng ; et al. | 2021-09-23 |
Auto-exposure region auto-correction
Grant 11,120,240 - He September 14, 2 | 2021-09-14 |
Object recognition system with invisible or nearly invisible lighting
Grant 11,062,104 - He , et al. July 13, 2 | 2021-07-13 |
Object verification/recognition with limited input
Grant 11,062,138 - He , et al. July 13, 2 | 2021-07-13 |
Object Verification/recognition With Limited Input
App 20210150210 - He; Duanfeng ; et al. | 2021-05-20 |
Auto-exposure Region Auto-correction
App 20210103712 - He; Duanfeng | 2021-04-08 |
Object Recognition System with Invisible or Nearly Invisible Lighting
App 20210012070 - He; Duanfeng ; et al. | 2021-01-14 |
Method and system for a machine vision interface
Grant 10,817,290 - He October 27, 2 | 2020-10-27 |
Method and apparatus for capturing and extracting content from documents on a mobile device
Grant 10,769,362 - Kannan , et al. Sep | 2020-09-08 |
Method And System For A Machine Vision Interface
App 20200201631 - He; Duanfeng | 2020-06-25 |
Automatic Form Data Reading
App 20200065537 - He; Duanfeng ; et al. | 2020-02-27 |
Pattern Matching
App 20190095751 - He; Duanfeng | 2019-03-28 |
Method and apparatus for capturing and processing content from context sensitive documents on a mobile device
Grant 10,140,257 - Kannan , et al. Nov | 2018-11-27 |
Methods and system for reading barcodes captured on multiple images
Grant 10,140,497 - He Nov | 2018-11-27 |
System for and method of efficiently processing targets to be electro-optically read by image capture
Grant 9,798,914 - He October 24, 2 | 2017-10-24 |
System for, and method of, controlling illumination of direct part marking (DPM) targets to be read by image capture
Grant 9,792,477 - He , et al. October 17, 2 | 2017-10-17 |
Imaging barcode scanner for enhanced document capture
Grant 9,721,133 - Trajkovic , et al. August 1, 2 | 2017-08-01 |
User-customizable data capture terminal for and method of imaging and processing a plurality of target data on one or more targets
Grant 9,524,411 - He December 20, 2 | 2016-12-20 |
Method of, and arrangement for, reading two-dimensional symbols by translating encoded symbol characters from a local, to a global, character set
Grant 9,501,682 - He November 22, 2 | 2016-11-22 |
Imaging Barcode Scanner For Enhanced Document Capture
App 20160210492 - TRAJKOVIC; MIROSLAV ; et al. | 2016-07-21 |
Detecting window deterioration on barcode scanning workstation
Grant 9,298,957 - Joseph , et al. March 29, 2 | 2016-03-29 |
Detecting Window Deterioration On Barcode Scanning Workstation
App 20160034722 - JOSEPH; EUGENE B. ; et al. | 2016-02-04 |
Apparatus for and method of electro-optically reading a selected target by image capture from a picklist of targets
Grant 9,111,163 - He August 18, 2 | 2015-08-18 |
Arrangement for and method of reading forms in correct orientation by image capture
Grant 9,092,667 - He , et al. July 28, 2 | 2015-07-28 |
Diffuser engine for barcode imaging scanner
Grant 9,004,363 - Joseph , et al. April 14, 2 | 2015-04-14 |
Imaging device having light field image sensor
Grant 8,973,826 - He , et al. March 10, 2 | 2015-03-10 |
Minimizing misdecodes in electro-optical readers
Grant 8,960,550 - Madej , et al. February 24, 2 | 2015-02-24 |
Method And Apparatus For Capturing And Extracting Content From Documents On A Mobile Device
App 20150040001 - Kannan; Anu ; et al. | 2015-02-05 |
Apparatus For And Method Of Electro-optically Reading A Selected Target By Image Capture From A Picklist Of Targets
App 20150034724 - He; Duanfeng | 2015-02-05 |
Method And Apparatus For Capturing And Processing Content From Context Sensitive Documents On A Mobile Device
App 20150040002 - Kannan; Anu ; et al. | 2015-02-05 |
Arrangement for and method of reducing short reads in an imaging reader
Grant 8,915,442 - Cai , et al. December 23, 2 | 2014-12-23 |
Imaging reader for and method of receipt acknowledgment and symbol capture
Grant 8,740,080 - He , et al. June 3, 2 | 2014-06-03 |
Imaging Device Having Light Field Image Sensor
App 20140097252 - He; Duanfeng ; et al. | 2014-04-10 |
Arrangement For And Method Of Reading Forms In Correct Orientation By Image Capture
App 20140059414 - He; Duanfeng ; et al. | 2014-02-27 |
End user-customizable data capture terminal for and method of imaging and processing target data
Grant 8,657,198 - He February 25, 2 | 2014-02-25 |
Arrangement For And Method Of Reading Symbol Targets And Form Targets By Image Capture
App 20140044356 - He; Duanfeng | 2014-02-13 |
Imaging device having light field sensor
Grant 8,602,308 - He , et al. December 10, 2 | 2013-12-10 |
Point-of-transaction workstation for electro-optically reading one-dimensional and two-dimensional indicia by image capture
Grant 8,579,197 - Patel , et al. November 12, 2 | 2013-11-12 |
Diffuser Engine For Barcode Imaging Scanner
App 20130284809 - Joseph; Eugene B. ; et al. | 2013-10-31 |
Apparatus For And Method Of Controlling Imaging Exposure Of Targets To Be Read
App 20130248602 - HE; Duanfeng ; et al. | 2013-09-26 |
Methods and apparatus for providing user feedback during image capture
Grant 8,500,024 - He August 6, 2 | 2013-08-06 |
Imaging Device Having Light Field Sensor
App 20130161399 - He; Duanfeng ; et al. | 2013-06-27 |
Imaging reader for electro-optically reading two-dimensional symbols with controller having limited internal memory
Grant 8,430,319 - He , et al. April 30, 2 | 2013-04-30 |
Method And Apparatus For Auto-detecting Orientation Of Free-form Document Using Barcode
App 20130094695 - He; Duanfeng ; et al. | 2013-04-18 |
End User-customizable Data Capture Terminal For And Method Of Imaging And Processing Target Data
App 20120248189 - HE; Duanfeng | 2012-10-04 |
Imaging Reader For Electro-optically Reading Two-dimensional Symbols With Controller Having Limited Internal Memory
App 20120199657 - HE; Duanfeng ; et al. | 2012-08-09 |
Data capture terminal with automatic focusing over a limited range of working distances
Grant 8,210,437 - He , et al. July 3, 2 | 2012-07-03 |
Method And Apparatus For Capturing Form Document With Imaging Scanner
App 20120104099 - He; Duanfeng ; et al. | 2012-05-03 |
Increasing imaging quality of a bar code reader
Grant 8,167,209 - Joseph , et al. May 1, 2 | 2012-05-01 |
Methods And Apparatus For Providing User Feedback During Image Capture
App 20120048938 - HE; Duanfeng | 2012-03-01 |
Method And Apparatus For Powering Handheld Data Capture Devices
App 20110315773 - Carlson; Bradley S. ; et al. | 2011-12-29 |
Imaging-based scanner including border searching for image acquisition
Grant 8,079,524 - He , et al. December 20, 2 | 2011-12-20 |
Fractional down-sampling in imaging barcode scanners
Grant 8,079,521 - He , et al. December 20, 2 | 2011-12-20 |
Point-of-transaction workstation for electro-optically reading one-dimensional and two-dimensional indicia by image capture
Grant 8,066,188 - Patel , et al. November 29, 2 | 2011-11-29 |
Image projection arrangement with divergent light beams
Grant 8,061,847 - He , et al. November 22, 2 | 2011-11-22 |
Scanner for product authentication
Grant 8,052,058 - He November 8, 2 | 2011-11-08 |
Imaging bar code reader with single prism focus adjustment
Grant 8,028,919 - He October 4, 2 | 2011-10-04 |
Point-of-transaction Workstation For Electro-optically Reading One-dimensional And Two-dimensional Indicia By Image Capture
App 20110233278 - PATEL; Mehul M. ; et al. | 2011-09-29 |
User-customizable Data Capture Terminal For And Method Of Imaging And Processing A Plurality Of Target Data On One Or More Targets
App 20110215154 - HE; Duanfeng | 2011-09-08 |
Data Capture Terminal With Automatic Focusing Over A Limited Range Of Working Distances
App 20110215153 - HE; Duanfeng ; et al. | 2011-09-08 |
Arrangement for and method of projecting a color image by switching scan directions in alternate frames
Grant 7,986,340 - He , et al. July 26, 2 | 2011-07-26 |
Imaging-based Scanner Including Border Searching For Image Acquisition
App 20110127335 - He; Duanfeng ; et al. | 2011-06-02 |
Increasing Imaging Quality Of A Bar Code Reader
App 20110121077 - Joseph; Eugene ; et al. | 2011-05-26 |
Optical code reader for producing video displays
Grant 7,946,484 - Patel , et al. May 24, 2 | 2011-05-24 |
Image Projection Arrangement with Divergent Light Beams
App 20110090467 - He; Duanfeng ; et al. | 2011-04-21 |
Arrangement for and Method of Projecting A Color Image By Switching Scan Directions In Alternate Frames
App 20110063527 - HE; Duanfeng ; et al. | 2011-03-17 |
Compact image projection arrangement with correction for laser beam angular misalignment
Grant 7,883,214 - He , et al. February 8, 2 | 2011-02-08 |
Imaging-based bar code reader utilizing modified rolling shutter operation
Grant 7,866,557 - He , et al. January 11, 2 | 2011-01-11 |
Arrangement for and method of projecting a color image by switching scan directions in alternate frames
Grant 7,859,567 - He , et al. December 28, 2 | 2010-12-28 |
Swipe imager scan engine
Grant 7,823,787 - He , et al. November 2, 2 | 2010-11-02 |
Fractional Down-sampling In Imaging Barcode Scanners
App 20100264219 - He; Duanfeng ; et al. | 2010-10-21 |
Point-of-transaction Workstation For Electro-optically Reading One-dimensional And Two-dimensional Indicia By Image Capture
App 20100237150 - Patel; Mehul M. ; et al. | 2010-09-23 |
Arrangement for and method of reducing short reads in an imaging reader
App 20100187314 - Cai; Joseph ; et al. | 2010-07-29 |
Imaging reader for and method of receipt acknowledgment and symbol capture
App 20100187313 - He; Duanfeng ; et al. | 2010-07-29 |
Point-of-transaction workstation for electro-optically reading one-dimensional and two-dimensional indicia by image capture
Grant 7,748,631 - Patel , et al. July 6, 2 | 2010-07-06 |
Minimizing misdecodes in electro-optical readers
App 20100163625 - Madej; Dariusz J. ; et al. | 2010-07-01 |
Method and system for image compression using image symmetry
Grant 7,742,649 - Tabesh , et al. June 22, 2 | 2010-06-22 |
Compact autofocus bar code reader with moving mirror
Grant 7,726,573 - Gurevich , et al. June 1, 2 | 2010-06-01 |
Bar code scanning decoding
Grant 7,726,572 - He , et al. June 1, 2 | 2010-06-01 |
Imaging System for Reading Mobile Device Indicia
App 20090218405 - Joseph; Eugene ; et al. | 2009-09-03 |
Scanner for Product Authentication
App 20090218391 - He; Duanfeng | 2009-09-03 |
Methods and apparatus for dynamic signal processing
Grant 7,578,444 - Joseph , et al. August 25, 2 | 2009-08-25 |
Method and apparatus for extending the range of a product authentication device
Grant 7,566,004 - He , et al. July 28, 2 | 2009-07-28 |
Methods and apparatus for information capture illumination
Grant 7,543,754 - He , et al. June 9, 2 | 2009-06-09 |
CPC Illumination Apparatus for an Imaging-Based Bar Code Reader
App 20090140048 - Yu; Ming ; et al. | 2009-06-04 |
System and method for reading codes on a specular background
Grant 7,537,164 - Joseph , et al. May 26, 2 | 2009-05-26 |
Imaging Bar Code Reader with Single Prism Focus Adjustment
App 20090095815 - He; Duanfeng | 2009-04-16 |
Method and apparatus for reading indicia
App 20090084849 - He; Duanfeng ; et al. | 2009-04-02 |
Imaging-Based Bar Code Reader Utilizing Modified Rolling Shutter Operation
App 20090084847 - He; Duanfeng ; et al. | 2009-04-02 |
Multiple Configuration Image Scanner
App 20090078773 - Carlson; Bradley S. ; et al. | 2009-03-26 |
Graphical User Interface for Use in Programming a Barcode Reader
App 20090078774 - He; Duanfeng | 2009-03-26 |
Imaging-Based Bar Code Reader with Image Stabilization
App 20090001170 - He; Duanfeng | 2009-01-01 |
Compact Autofocus Bar Code Reader With Moving Mirror
App 20080290169 - Gurevich; Vladimir ; et al. | 2008-11-27 |
System and method for locating a predetermined pattern within an image
Grant 7,455,231 - He November 25, 2 | 2008-11-25 |
1-D barcode decoding with 2-D sensor array
Grant 7,428,991 - Joseph , et al. September 30, 2 | 2008-09-30 |
Processing image data from multiple sources
Grant 7,430,682 - Carlson , et al. September 30, 2 | 2008-09-30 |
Compact image projection arrangement with correction for laser beam angular misalignment
App 20080204669 - He; Duanfeng ; et al. | 2008-08-28 |
Zero-footprint camera-based point-of-sale bar code presentation scanning system
Grant 7,395,970 - Poloniewicz , et al. July 8, 2 | 2008-07-08 |
Aiming System And Method For Diffuser Illumination Systems
App 20080142597 - Joseph; Eugene ; et al. | 2008-06-19 |
System And Method For Reading Codes On A Specular Background
App 20080142600 - Joseph; Eugene ; et al. | 2008-06-19 |
Method of authenticating products using analog and digital identifiers
Grant 7,364,074 - He , et al. April 29, 2 | 2008-04-29 |
Ambient light shield and color filter for imaging-based bar code reader
Grant 7,350,711 - He , et al. April 1, 2 | 2008-04-01 |
Age verification system and method in electro-optical reader
App 20080073425 - Brock; Christopher Warren ; et al. | 2008-03-27 |
Barcode scanner decoding
Grant 7,337,970 - Joseph , et al. March 4, 2 | 2008-03-04 |
Swipe Imager Scan Engine
App 20080023560 - He; Duanfeng ; et al. | 2008-01-31 |
Methods and Apparatus for Information Capture Illumination
App 20080000978 - He; Duanfeng ; et al. | 2008-01-03 |
Method of authenticating products using hardware compatibility flag
Grant 7,309,011 - He December 18, 2 | 2007-12-18 |
Swipe imager scan engine
Grant 7,296,744 - He , et al. November 20, 2 | 2007-11-20 |
Method and System for Image Compression Using Image Symmetry
App 20070248275 - Tabesh; Ali ; et al. | 2007-10-25 |
Methods and apparatus for information capture illumination
Grant 7,281,662 - He , et al. October 16, 2 | 2007-10-16 |
Display for color image projection arrangement and method
App 20070229668 - He; Duanfeng ; et al. | 2007-10-04 |
Asymmetrical scanner
Grant 7,264,168 - He September 4, 2 | 2007-09-04 |
Ambient light shield and color filter for imaging-based bar code reader
App 20070199996 - He; Duanfeng ; et al. | 2007-08-30 |
Method and system for image compression using image symmetry
Grant 7,254,275 - Tabesh , et al. August 7, 2 | 2007-08-07 |
Bar code scanner programming
App 20070119941 - He; Duanfeng | 2007-05-31 |
1-D barcode decoding with 2-D sensor array
App 20070095916 - Joseph; Eugene ; et al. | 2007-05-03 |
Pulsed illumination in imaging reader
Grant 7,204,418 - Joseph , et al. April 17, 2 | 2007-04-17 |
Electro-optically reading direct part markings on workpieces by image capture
Grant 7,201,321 - He , et al. April 10, 2 | 2007-04-10 |
Processing image data from multiple sources
App 20070079029 - Carlson; Bradley ; et al. | 2007-04-05 |
Sensor for activating an aiming pattern of a handheld scanner
App 20070057067 - He; Duanfeng | 2007-03-15 |
System and method for illuminating and reading optical codes imprinted or displayed on reflective surfaces
Grant 7,163,149 - He , et al. January 16, 2 | 2007-01-16 |
System and method for locating a predetermined pattern within an image
App 20060283953 - He; Duanfeng | 2006-12-21 |
Digitizing bar code symbol data
Grant 7,147,161 - He , et al. December 12, 2 | 2006-12-12 |
System and method for data capture within a predefined area
App 20060261541 - He; Duanfeng | 2006-11-23 |
System and method for illuminating and reading optical codes imprinted or displayed on reflective surfaces
Grant 7,131,587 - He , et al. November 7, 2 | 2006-11-07 |
Methods and apparatus for information capture illumination
App 20060144945 - He; Duanfeng ; et al. | 2006-07-06 |
Asymmetrical scanner
App 20060144949 - He; Duanfeng | 2006-07-06 |
Methods and apparatus for improving direct part mark scanner performance
App 20060138234 - Joseph; Eugene ; et al. | 2006-06-29 |
System and method for verifying RFID reads
Grant 7,066,388 - He June 27, 2 | 2006-06-27 |
Barcode scanner decoding
App 20060118632 - Joseph; Eugene ; et al. | 2006-06-08 |
Pulsed illumination in imaging reader
App 20060118627 - Joseph; Eugene ; et al. | 2006-06-08 |
Swipe imager scan engine
App 20060118628 - He; Duanfeng ; et al. | 2006-06-08 |
Bar code scanning decoding
App 20060118633 - He; Duanfeng ; et al. | 2006-06-08 |
Method of authenticating products using hardware compatibility flag
App 20060091209 - He; Duanfeng | 2006-05-04 |
Methods and apparatus for dynamic signal processing
App 20060091219 - Joseph; Eugene ; et al. | 2006-05-04 |
Analog and digital indicia authentication
App 20060095778 - He; Duanfeng ; et al. | 2006-05-04 |
Method and apparatus for extending the range of a product authentication device
App 20060091221 - He; Duanfeng ; et al. | 2006-05-04 |
Method of authenticating products using analog and digital identifiers
App 20060091208 - He; Duanfeng ; et al. | 2006-05-04 |
Electro-optically reading direct part markings on workpieces by image capture
App 20060043187 - He; Duanfeng ; et al. | 2006-03-02 |
Configurable operating system for control of a mobile I/O device
Grant 6,996,634 - Herrod , et al. February 7, 2 | 2006-02-07 |
Measurement of dimensions of solid objects from two-dimensional image(s)
Grant 6,995,762 - Pavlidis , et al. February 7, 2 | 2006-02-07 |
Point-of-transaction workstation for electro-optically reading one-dimensional and two-dimensional indicia by image capture
App 20060022051 - Patel; Mehul M. ; et al. | 2006-02-02 |
System and method for encrypted communications between electronic devices
Grant 6,957,333 - He October 18, 2 | 2005-10-18 |
System and method for illuminating and reading optical codes imprinted or displayed on reflective surfaces
App 20050194447 - He, Duanfeng ; et al. | 2005-09-08 |
System and method for illuminating and reading optical codes imprinted or displayed on reflective surfaces
App 20050194449 - He, Duanfeng ; et al. | 2005-09-08 |
Portable instrument for electro-optically reading indicia and for projecting a bit-mapped color image
App 20050167507 - Swartz, Jerome ; et al. | 2005-08-04 |
System and method for verifying optical character recognition of optical code reads
Grant 6,913,199 - He July 5, 2 | 2005-07-05 |
Portable instrument for electro-optically reading indicia and for projecting a bit-mapped color image
Grant 6,910,633 - Swartz , et al. June 28, 2 | 2005-06-28 |
Focusing arrangement and method in electro-optical readers
Grant 6,905,068 - He June 14, 2 | 2005-06-14 |
Zero-footprint camera-based point-of-sale bar code presentation scanning system
App 20050098633 - Poloniewicz, Paul ; et al. | 2005-05-12 |
Method and apparatus for error detection
Grant 6,845,475 - He January 18, 2 | 2005-01-18 |
Digitizing bar code symbol data
App 20050006479 - He, Duanfeng ; et al. | 2005-01-13 |
Focusing arrangement and method in electro-optical readers
App 20050001034 - He, Duanfeng | 2005-01-06 |
Optical code reader for measuring physical parameters of objects
Grant 6,824,058 - Patel , et al. November 30, 2 | 2004-11-30 |
Miniature imager
Grant 6,811,085 - Carlson , et al. November 2, 2 | 2004-11-02 |
Optical code reader for producing video displays
App 20040211836 - Patel, Mehul ; et al. | 2004-10-28 |
System and method for an image capturing network
Grant 6,772,950 - He August 10, 2 | 2004-08-10 |
Optical code reader for producing video displays
Grant 6,766,955 - Patel , et al. July 27, 2 | 2004-07-27 |
System and method for verifying RFID reads
App 20040118916 - He, Duanfeng | 2004-06-24 |
System and method for verifying optical character recognition of optical code reads
App 20040118920 - He, Duanfeng | 2004-06-24 |
Method and system for image compression using image symmetry
App 20040114822 - Tabesh, Ali ; et al. | 2004-06-17 |
Rotating plate carrier for changing focal distance of optical code imager
Grant 6,726,105 - Patel , et al. April 27, 2 | 2004-04-27 |
Portable instrument for electro-optically reading indicia and for projecting a bit-mapped color image
App 20040074971 - Swartz, Jerome ; et al. | 2004-04-22 |
System and method for an image capturing network
App 20040056100 - He, Duanfeng | 2004-03-25 |
System and method for encrypted communications between electronic devices
App 20040054900 - He, Duanfeng | 2004-03-18 |
Portable instrument for electro-optically reading indicia and for projecting a bit-mapped color image
Grant 6,655,597 - Swartz , et al. December 2, 2 | 2003-12-02 |
Error correction in macro bar code symbols
Grant 6,651,893 - He , et al. November 25, 2 | 2003-11-25 |
Optical code reader for measuring physical parameters of objects
App 20030201319 - Patel, Mehul ; et al. | 2003-10-30 |
Miniature imager
App 20030080188 - Carlson, Bradley ; et al. | 2003-05-01 |
Error Correction In Macro Bar Code Symbols
App 20020088865 - HE, DUANFENG ; et al. | 2002-07-11 |
Autodiscrimination and line drawing techniques for code readers
Grant 6,405,925 - He , et al. June 18, 2 | 2002-06-18 |
Zero-footprint camera-based point-of-sale bar code presentation scanning system
App 20020047047 - Poloniewicz, Paul ; et al. | 2002-04-25 |
Digitizing bar code symbol data
App 20020023958 - He, Duanfeng ; et al. | 2002-02-28 |
Imaging engine and method for code readers
Grant 6,340,114 - Correa , et al. January 22, 2 | 2002-01-22 |
Techniques for reading two dimensional code, including MaxiCode
Grant 6,340,119 - He , et al. January 22, 2 | 2002-01-22 |
Optical code reader for producing video displays and measuring physical parameters of objects
Grant 6,336,587 - He , et al. January 8, 2 | 2002-01-08 |
Method of processing an analog electrical signal containing information representative of reflected light from coded indicia, wherein the electrical signal contains edge transitions
Grant 6,328,213 - He , et al. December 11, 2 | 2001-12-11 |
Rotating plate carrier for changing focal distance of optical code imager
App 20010032879 - He, Duanfeng ; et al. | 2001-10-25 |
Optical code reader for producing video displays
App 20010027995 - Patel, Mehul ; et al. | 2001-10-11 |
Autodiscrimination and line drawing techniques for code readers
App 20010025886 - He, Duanfeng ; et al. | 2001-10-04 |
Techniques for reading two dimensional code, including maxicode
App 20010023896 - He, Duanfeng ; et al. | 2001-09-27 |
Autodiscrimination and line drawing techniques for code readers
Grant 6,250,551 - He , et al. June 26, 2 | 2001-06-26 |
Configurable operating system having multiple data conversion applications for I/O connectivity
Grant 6,237,053 - Herrod , et al. May 22, 2 | 2001-05-22 |
Techniques for reading postal code
Grant 6,176,428 - Joseph , et al. January 23, 2 | 2001-01-23 |
Error correction in macro bar code symbols
Grant 6,126,074 - He , et al. October 3, 2 | 2000-10-03 |
Techniques for reading two dimensional code, including maxicode
Grant 6,088,482 - He , et al. July 11, 2 | 2000-07-11 |
Semi-retroreflective scanners
Grant 5,955,720 - He , et al. September 21, 1 | 1999-09-21 |
Linearization of raster patterns in 2D optical scanners
Grant 5,889,269 - Bridgelall , et al. March 30, 1 | 1999-03-30 |
Optical scanners having dual surface optical elements for dual working ranges
Grant 5,859,417 - Dvorkis , et al. January 12, 1 | 1999-01-12 |
Bar code reader for reading both one dimensional and two dimensional symbologies with programmable resolution
Grant 5,710,417 - Joseph , et al. January 20, 1 | 1998-01-20 |
Bar code enhancement system and method for vision scanners
Grant 5,268,580 - He December 7, 1 | 1993-12-07 |
Identification system using computer generated moire
Grant 4,921,278 - Shiang , et al. May 1, 1 | 1990-05-01 |
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