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Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu, Xi Tao, Liang Liu, Wenhua Zhang, Anatoly Kotlarsky, Sankar Ghosh, Michael Schnee, Pasqual Spatafore, Thomas Amundsen, Sung Byun, Mark Schmidt, Garrett Russell, John Bonanno, C Harry Knowles: Hand-supportable digital imaging-based bar code symbol reader supporting narrow-area and wide-area modes of illumination and image capture. Metrologic Instruments, Thomas J Perkowski Esq P C, October 31, 2006: US07128266 (275 worldwide citation)

A hand-supportable digital imaging-based bar code symbol reading device comprises: an ir-based object presence and range detection subsystem; a multi-mode area-type image formation and detection subsystem having narrow-area and wide area image capture modes of operation; a multi-mode LED-based illum ...


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Rui Hou, Gyan Zhang, Hao Xu, Yuwen Zhou, Stephen Colavito: Laser barcode scanner. Hand Held Products, Additon Higgins & Pendleton P A, June 9, 2015: US09053378 (120 worldwide citation)

The present laser barcode scanner employs (i) a simplified scan mechanism made from a semi-flexible substrate that eliminates complicated optical assemblies, (ii) a layout with location features eliminating the need for special alignment, and (iii) a layout with all surface mounted devices on a sing ...


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Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu, Xi Tao, Liang Liu, Wenhua Zhang, Anatoly Kotlarsky, Sankar Ghosh, Michael Schnee, Pasqual Spatafore, Thomas Amundsen, Sung Byun, Mark Schmidt, Garrett Russell, John Bonanno, C Harry Knowles: METHOD OF AND APPARATUS FOR PROCESSING CAPTURED DIGITAL IMAGES OF OBJECTS WITHIN A SEMI-AUTOMATIC HAND-SUPPORTABLE IMAGING-BASED BAR CODE SYMBOL READER SO AS TO READ 1D AND/OR 2D BAR CODE SYMBOLS GRAPHICALLY REPRESENTED THEREIN. Metrologic Instruments, Thomas J Perkowski Esq P C, August 8, 2006: US07086595 (42 worldwide citation)

Method of and apparatus for processing captured images within a semi-automatic hand-supportable imaging-based bar code symbol reader in order to read 1D and/or 2D bar code symbols graphically represented therein. The semi-automatic hand-supportable digital imaging-based bar code symbol reader compri ...


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Harold Wade Cain III, Rui Hou, Xiaowei Shen, Huayong Wang: Method and system for a sharing buffer. International Business Machines Corporation, Vazken Alexanian, March 6, 2012: US08131894 (41 worldwide citation)

A system, method, and computer readable article of manufacture for sharing buffer management. The system includes: a predictor module to predict at runtime a transaction data size of a transaction according to history information of the transaction; and a resource management module to allocate shari ...


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Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu, Xi Tao, Liang Liu, Wenhua Zhang, Anatoly Kotlarsky, Sankar Ghosh, Michael Schnee, Pasqual Spatafore, Thomas Amundsen, Sung Byun, Mark Schmidt, Garrett Russell, John Bonanno, C Harry Knowles: Hand-supportable digital imaging-based bar codes symbol reader employing multi-mode subsystems. Metrologic Instruments, Thomas J Perkowski Esq P C, March 6, 2007: US07185817 (37 worldwide citation)

A hand-supportable Digital Imaging-Based Bar Code Symbol Reading Device comprises: an IR-based Object Presence and Range Detection Subsystem; a Multi-Mode Area-type Image Formation and Detection Subsystem having narrow-area and wide area image capture modes of operation; a Multi-Mode LED-based Illum ...


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Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu, Xi Tao, Liang Liu, Wenhua Zhang, Anatoly Kotlarsky, Sankar Ghosh, Michael Schnee, Pasqual Spatafore, Thomas Amundsen, Sung Byun, Mark Schmidt, Garrett Russell, John Bonanno, C Harry Knowles: Method of reading code symbols using a hand-supportable digital image capturing and processing device employing a micro-computing platform supporting an event-driven multi-tier modular software architecture. Metrologic Instruments, Thomas J Perkowski Esq P C, February 17, 2009: US07490778 (32 worldwide citation)

A portable digital image capturing and processing system comprising: an image formation and detection subsystem; a narrow-band illumination subsystem; a narrow-band transmission-type optical filter subsystem; an automatic light exposure measurement subsystem; and an automatic illumination control su ...


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Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu, Xi Tao, Liang Liu, Wenhua Zhang, Anatoly Kotlarsky, Sankar Ghosh, Michael Schnee, Pasqual Spatafore, Thomas Amundsen, Sung Byun, Mark Schmidt, Garrett Russell, John Bonanno, C Harry Knowles: Hand-supportable imaging based bar code symbol reader employing automatic light exposure measurement and illumination control subsystem integrated therein. Metrologic Instruments, Thomas J Perkowski Esq P C, February 17, 2009: US07490774 (29 worldwide citation)

A hand-supportable digital imaging-based bar code symbol reading device comprises: an IR-based object presence and range detection subsystem; a area-type image formation and detection subsystem having an image capture modes of operation; a multi-mode led-based illumination subsystem for providing a ...


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Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu, Xi Tao, Liang Liu, Wenhua Zhang, Anatoly Kotlarsky, Sankar Ghosh, Michael Schnee, Pasqual Spatafore, Thomas Amundsen, Sung Byun, Mark Schmidt, Garrett Russell, John Bonanno, C Harry Knowles: Digital imaging-based bar code symbol reading system employing a multi-mode illumination subsystem with far-field and near field led-based illumination arrays. Metrologic Instruments, Thomas J Perkowski Esq P C, January 22, 2008: US07320431 (29 worldwide citation)

A digital imaging-based bar code symbol reading system which comprises: an automatic object presence and range detection subsystem; an image formation and detection subsystem having an area-type image sensing array with a field of view (FOV); a multi-mode LED-based illumination subsystem having LED ...


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Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu, Xi Tao, Liang Liu, Wenhua Zhang, Anatoly Kotlarsky: Digital image capturing and processing system producing narrow-band illumination when image sensor elements in a state of integration, and simultaneously detecting narrow-band illumination using an area-type image sensor and independently-operated photo-detector. Metrologic Instruments, Thomas J Perkowski Esq P C, March 17, 2009: US07503499 (28 worldwide citation)

A portable digital image capturing and processing system comprising: an image formation and detection subsystem; a narrow-band illumination subsystem; a narrow-band transmission-type optical filter subsystem; an automatic light exposure measurement subsystem; and an automatic illumination control su ...



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