Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7357325 | Hand-supportable imaging-based bar code symbol reader employing a CMOS-type image sensor using global exposure techniques | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2008-04-15 |
| 7347374 | Hand-supportable digital imaging-based bar code symbol reader employing an event-driven system control subsystem, automatic IR-based object detection, and trigger-switch activated image capture and processing subsystem | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2008-03-25 |
| 7325738 | Method of and system for determining the lower limit of decoding resolution in an imaging-based bar code symbol reader | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2008-02-05 |
| 7320431 | Digital imaging-based bar code symbol reading system employing a multi-mode illumination subsystem with far-field and near field led-based illumination arrays | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2008-01-22 |
| 7299986 | Digital imaging-based bar code symbol driven portable data terminal system | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2007-11-27 |
| 7293714 | Hand-supportable digital imaging-based bar code symbol reading system automatically processing captured images along parallel virtual scan lines based on the maximum pixel height of the region of interest (ROI) | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2007-11-13 |
| 7284705 | Hand-supportable semi-automatic digital imaging-based bar code symbol reading system realized upon a multi-tier modular software platform | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2007-10-23 |
| 7281661 | Hand-supportable digital imaging-based bar code symbol reading system employing a method of intelligently illuminating an object so as to generate a digital image thereof which is substantially free of noise caused by specular-type reflection | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2007-10-16 |
| 7278575 | Hand-supportable image-based bar code symbol reader employing helically-sweeping feature-extraction analysis on a captured digital image of an object referenced from the center thereof | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2007-10-09 |
| 7270272 | Digital image-based bar code symbol reading system employing a multi-mode image-processing symbol reading subsystem | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2007-09-18 |
| 7267282 | Hand-supportable imaging-based bar code symbol reader capable of exposing an automatically detected object to a field of narrow-band LED-based illumination only when substantially all rows of pixels in a CMOS image sensing array are in a state of integration | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2007-09-11 |
| 7255279 | Hand-supportable digital imaging-based bar code reading system wherein, during each imaging cycle, a single frame of pixel data is automatically detected by a CMOS area-type image sensing array when substantially all rows of pixels therein are in a state of integration and have a common integration time, and then pixel data is transmitted from said CMOS area-type image sensing array into a FIFO buffer, and then mapped into memory for subsequent image processing | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2007-08-14 |
| 7243847 | Digital imaging-based bar code symbol reader employing an LED-based illumination subsystem driven by an automatic light exposure measurement and illumination control subsystem | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2007-07-17 |
| 7240844 | Hand-suportable imaging-based bar code symbol reader employing an automatic light exposure measurement and illumination control subsystem for measuring illumination exposure on CMOS image sensing array and controlling LED illumination array driver circuitry | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2007-07-10 |
| 7237722 | Hand-supported imaging-based bar code symbol reader employing a multi-mode image-processing based bar code reading subsystem with modular image-processing architecture | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2007-07-03 |
| 7225988 | Hand-supportable imaging-based bar code symbol reader employing a tri-mode led-based illumination subsystem | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2007-06-05 |
| 7225989 | Method of performing auto-discrimination of 1D/2D bar code symbologies in a semi-automatic hand-supportable imaging-based bar code symbol reader having narrow-area and wide-area image capture modes of operation | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2007-06-05 |
| 7216810 | Hand-supportable multi-mode digital imaging-based bar code symbol reader employing an automatic illumination and exposure control subsystem that automatically controls the operation of a multi-mode led-based illumination subsystem so that detected objects are sufficiently illuminated and good quality digital images thereof are formed and detected | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2007-05-15 |
| 7213762 | Hand-supportable imaging-based bar code symbol reader employing a CMOS-type image sensing array in combination with a band-pass optical filter subsystem, narrow-band illumination subsystem, and automatic light exposure measurement and illumination control subsystem | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2007-05-08 |
| 7188770 | Hand-supportable semi-automatic imaging-based bar code reading system wherein an led-based illumination subsystem automatically illuminates a detected target object in a narrow-area field of illumination, and illuminates the detected target object in a wide-area field of illumination upon manual activation of a trigger switch | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2007-03-13 |
| 7185817 | Hand-supportable digital imaging-based bar codes symbol reader employing multi-mode subsystems | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2007-03-06 |
| 7178733 | Hand-supportable imaging-based bar code symbol reader employing automatic object presence and range detection to control the generation of near-field and far-field wide-area illumination during bar code symbol imaging operations | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2007-02-20 |
| 7128266 | Hand-supportable digital imaging-based bar code symbol reader supporting narrow-area and wide-area modes of illumination and image capture | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2006-10-31 |
| 7121468 | Method of developing an application program for running on a wireless portable data terminal (PDT) | Mark Schmidt, Garrett Russell, C. Harry Knowles, Xiaoxun Zhu, Ka Man Au +3 more | 2006-10-17 |
| 7086595 | 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 | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2006-08-08 |