Issued Patents All Time
Showing 25 most recent of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12217123 | Flicker mitigation for multiple interspersed illumination systems | Przemyslaw Kowalewski, Darran Michael Handshaw, Robert W. DiGiovanna, Mark D. Anderson, Mark Drzymala +1 more | 2025-02-04 |
| 11928550 | Methods and apparatus to locate and decode an arranged plurality of barcodes in an image | Peizheng Ma, Duanfeng He, Miroslav Trajkovic | 2024-03-12 |
| 11922270 | Methods and apparatus to locate barcodes in color images | Duanfeng He, Peizheng Ma | 2024-03-05 |
| 11803720 | Methods and apparatus to determine barcode decoding parameters for a plurality of barcodes in an image | Peizheng Ma, Dongqing Chen | 2023-10-31 |
| 11562161 | Flicker mitigation for multiple interspersed illumination systems | Przemyslaw Kowalewski, Darran Michael Handshaw, Robert W. DiGiovanna, Mark D. Anderson, Mark Drzymala +1 more | 2023-01-24 |
| 11295104 | Methods and apparatus to read barcodes on reflective surfaces | Duanfeng He | 2022-04-05 |
| 9792477 | System for, and method of, controlling illumination of direct part marking (DPM) targets to be read by image capture | Duanfeng He | 2017-10-17 |
| 9298957 | Detecting window deterioration on barcode scanning workstation | Duanfeng He | 2016-03-29 |
| 9038903 | Method and apparatus for controlling illumination | Dariusz J. Madej, David Goren | 2015-05-26 |
| 9004363 | Diffuser engine for barcode imaging scanner | Mark Drzymala, Duanfeng He | 2015-04-14 |
| 8662397 | Multiple camera imaging-based bar code reader | Bradley S. Carlson | 2014-03-04 |
| 8579197 | Point-of-transaction workstation for electro-optically reading one-dimensional and two-dimensional indicia by image capture | Mehul Patel, Duanfeng He, Howard Shepard, Edward Barkan | 2013-11-12 |
| 8430316 | Imaging-based reader having smart illumination | Rong Liu, Ming-Chang Yu | 2013-04-30 |
| 8167209 | Increasing imaging quality of a bar code reader | Duanfeng He | 2012-05-01 |
| 8083146 | Optical code reading system and method for processing multiple resolution representations of an image | Bradley S. Carlson | 2011-12-27 |
| 8079524 | Imaging-based scanner including border searching for image acquisition | Duanfeng He | 2011-12-20 |
| 8066188 | Point-of-transaction workstation for electro-optically reading one-dimensional and two-dimensional indicia by image capture | Mehul Patel, Duanfeng He, Howard Shepard, Edward Barkan | 2011-11-29 |
| 8028913 | Arrangement for and method of uniformly illuminating direct part markings to be imaged and electro-optically read | Rong Liu, Mark Drzymala, Roland Wing Fai Lee | 2011-10-04 |
| 7946484 | Optical code reader for producing video displays | Mehul Patel, Duanfeng He, Mark Correa | 2011-05-24 |
| 7748631 | Point-of-transaction workstation for electro-optically reading one-dimensional and two-dimensional indicia by image capture | Mehul Patel, Duanfeng He, Howard Shepard, Edward Barkan | 2010-07-06 |
| 7726572 | Bar code scanning decoding | Duanfeng He | 2010-06-01 |
| 7578444 | Methods and apparatus for dynamic signal processing | Duanfeng He | 2009-08-25 |
| 7566004 | Method and apparatus for extending the range of a product authentication device | Duanfeng He | 2009-07-28 |
| 7543754 | Methods and apparatus for information capture illumination | Duanfeng He | 2009-06-09 |
| 7537164 | System and method for reading codes on a specular background | Duanfeng He, Mark Drzymala | 2009-05-26 |