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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 (314 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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Anatoly Kotlarsky, Xiaoxun Zhu, Michael Veksland, Ka Man Au, Patrick Giordano, Weizhen Yan, Jie Ren, Taylor Smith, Michael V Miraglia, C Harry Knowles, Sudhin Mandal, Shawn De Foney, Christopher Allen, David M Wilz Sr: Optical code symbol reading system employing an acoustic-waveguide structure for coupling sonic energy, produced from an electro-transducer, to sound wave ports formed in the system housing. Metrologic Instruments, Summa Additon & Ashe P A, July 9, 2013: US08479992 (213 worldwide citation)

An optical code symbol reading system including a housing having a light transmission aperture, and at least one sound port formed in the housing. The system includes an optical code symbol reading subsystem for optically reading a code symbol in the field external to the light transmission aperture ...


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Anatoly Kotlarsky, Xiaoxun Zhu, Michael Veksland, Ka Man Au, Patrick Giordano, Weizhen Yan, Jie Ren, Taylor Smith, Michael V Miraglia, C Harry Knowles, Sudhin Mandal, Shawn De Foney, Christopher Allen, David M Wilz Sr: Optical scanning system having an extended programming mode and method of unlocking restricted extended classes of features and functionalities embodied therewithin. Metrologic Instruments, Thomas J Perkowski Esq P C, November 27, 2012: US08317105 (210 worldwide citation)

A method of unlocking restricted extended classes of features and functionalities embodied within an optical scanning system having an extended programming mode. The method involves providing an optical scanning system supporting baseline classes of features and functionalities, and having an extend ...


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Anatoly Kotlarsky, Xiaoxun Zhu, Michael Veksland, Ka Man Au, Patrick Giordano, Weizhen Yan, Jie Ren, Taylor Smith, Michael V Miraglia, C Harry Knowles, Sudhin Mandal, Shawn De Foney, Christopher Allen, David M Wilz Sr: Optical code symbol reading system employing a LED-driven optical-waveguide structure for illuminating a manually-actuated trigger switch integrated within a hand-supportable system housing. Metrologic Instruments, Summa Additon & Ashe P A, August 27, 2013: US08517271 (209 worldwide citation)

An optical code symbol reading system including a hand-supportable housing having a light transmission aperture. A manually-actuated trigger switch is integrated within the housing. An optical code symbol reading subsystem is disposed in the housing for optically reading a code symbol in the field e ...


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Constantine J Tsikos, C Harry Knowles, Xiaoxun Zhu, Ka Man Au, Sankar Ghosh: METHOD OF AND APPARATUS FOR AUTOMATICALLY CROPPING CAPTURED LINEAR IMAGES OF A MOVING OBJECT PRIOR TO IMAGE PROCESSING USING REGION OF INTEREST (ROI) COORDINATE SPECIFICATIONS CAPTURED BY AN OBJECT PROFILING SUBSYSTEM. Metrologic Instruments, Thomas J Perkowski Esq P C, January 4, 2005: US06837432 (110 worldwide citation)

A method of and system for automatically cropping linear images of a moving object is disclosed. The method comprises automatically capturing a linear range and intensity data map from an object moving with respect to a coordinate reference system. The linear range and intensity data map includes a ...


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Erik Van Horn, Sean Philip Kearney, Patrick Anthony Giordano, Timothy Good, Chandler Dickinson, Ka Man Au, David Wilz Sr, John A Furlong, Benjamin Hejl, Joseph A Walczyk, Larry Coyle, James Rosetti, Thomas Haggerty: Multifunction point of sale system. Hand Held Products, Additon Higgins & Pendleton P A, August 9, 2016: US09412242 (84 worldwide citation)

A point of sale system capable of operating in an indicia-reading mode or a verification mode is disclosed. In the indicia-reading mode, the point of sale system configures its illumination, imaging, and processing to read indicia as part of a normal checkout process. If triggered by a user or by an ...


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Xiaoxun Zhu, Ka Man Au, Gennady Germaine, George Kolis, Timothy A Good, Michael D Schnee, Robert E Blake, Carl Harry Knowles, Sankar Ghosh, Charles A Naylor, David M Wilz Sr, Constantine J Tsikos, Francis E Lodge, Stephen J Colavito, George B Rockstein: Automated package dimensioning system. Metrologic Instruments, Thomas J Perkowski Esq P C, May 5, 2009: US07527205 (75 worldwide citation)

An automated package dimensioning subsystem comprising a Laser Detecting and Ranging (LADAR-based) scanning apparatus for capturing two-dimensional range data maps of the space above a conveyor structure, along which packages are transported, and an image contour tracing apparatus for extracting pac ...


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Timothy A Good, Xiaoxun Zhu, David M Wilz, George B Rockstein, Stephen J Colavito, Robert E Blake, Ka Man Au, Sankar Ghosh, George Kolis, Ian A Scott, Thomas Amundsen, Gennady Germaine, Andrew D Dehennis, LeRoy Dickson, Carl Harry Knowles: Automated system and method for identifying and measuring packages transported through a laser scanning tunnel. Metrologic Instruments, Thomas J Perkowski Esq P C, October 1, 2002: US06457642 (70 worldwide citation)

A fully automated package identification and measuring system, in which an omni-directional holographic scanning tunnel is used to read bar codes on packages entering the tunnel, while a package dimensioning subsystem is used to capture information about the package prior to entry into the tunnel. M ...


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