Issued Patents All Time
Showing 26–50 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7527206 | Method of setting the time duration of illumination from an LED-based illumination array employed in a digital imaging-based code symbol reader, using an image-processing based illumination metering program executed therewithin | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +3 more | 2009-05-05 |
| 7513430 | Digital image capturing and processing system employing an area-type image sensing array exposed to narrow-band illumination from a narrow-band illumination subsystem for a time duration controlled using a photodetector operated independently from said area-type image sensing array | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2009-04-07 |
| 7510122 | Portable digital image capturing and processing system employing an area-type image sensing array exposed to illumination produced from an LED-based illumination array and measured using a photodector operated independently from said area-type image sensing array | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +3 more | 2009-03-31 |
| 7503498 | Hand-supportable digital image capturing and processing system employing an area-type image sensing array exposed to illumination from an LED-based illumination array only when all sensor elements in said image-sensing array are activated and in a state of integration | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +3 more | 2009-03-17 |
| 7503499 | 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 | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +3 more | 2009-03-17 |
| 7490774 | Hand-supportable imaging based bar code symbol reader employing automatic light exposure measurement and illumination control subsystem integrated therein | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2009-02-17 |
| 7490778 | 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 | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2009-02-17 |
| 7477441 | MEMS device with nanowire standoff layer | Wei Wu, Shih-Yuan Wang | 2009-01-13 |
| 7469835 | Digital-imaging based code symbol reading system employing an event-driven multi-tier modular software architecture and supporting automatic operating system login and loading of code symbol reading application | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2008-12-30 |
| 7428998 | Automatic hand-supportable image-based bar code symbol reader having image-processing based bar code reading subsystem employing simple decode image processing operations applied in an outwardly-directed manner referenced from the center of a captured narrow-area digital image of an object bearing a 1D bar code symbol | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2008-09-30 |
| 7360706 | Hand-supportable imaging-based auto-discriminating 1D/2D bar code symbol reader employing a multi-mode image processing bar code symbol reading subsystem having a plurality of modes of operation which are dynamically reconfigurable in response to real-time image analysis | Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more | 2008-04-22 |
| 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 |