Inventor
LIU LIANG
CN671 patents
⚠️ This page may combine multiple inventors who share the name “LIU LIANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
METROLOGIC INSTR INC
27 patentsUS7240844B2Jul 10, 2007
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
METROLOGIC INSTR INC70 citations99
US7128266B2Oct 31, 2006
Hand-supportable digital imaging-based bar code symbol reader supporting narrow-area and wide-area modes of illumination and image capture
METROLOGIC INSTR INC785 citations99
US7086595B2Aug 8, 2006
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 INSTR INC80 citations99
US7490774B2Feb 17, 2009
Hand-supportable imaging based bar code symbol reader employing automatic light exposure measurement and illumination control subsystem integrated therein
METROLOGIC INSTR INC63 citations98
US7360706B2Apr 22, 2008
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
METROLOGIC INSTR INC39 citations97
US7357325B2Apr 15, 2008
Hand-supportable imaging-based bar code symbol reader employing a CMOS-type image sensor using global exposure techniques
METROLOGIC INSTR INC39 citations97
US7320431B2Jan 22, 2008
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 INSTR INC42 citations97
US7281661B2Oct 16, 2007
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
METROLOGIC INSTR INC55 citations97
US7237722B2Jul 3, 2007
Hand-supported imaging-based bar code symbol reader employing a multi-mode image-processing based bar code reading subsystem with modular image-processing architecture
METROLOGIC INSTR INC42 citations97
US7185817B2Mar 6, 2007
Hand-supportable digital imaging-based bar codes symbol reader employing multi-mode subsystems
METROLOGIC INSTR INC47 citations97
US6976626B2Dec 20, 2005
Wireless bar code symbol driven portable data terminal (PDT) system adapted for single handed operation
METROLOGIC INSTR INC84 citations97
US7681799B2Mar 23, 2010
Method of reading code symbols using a digital image capturing and processing system employing a micro-computing platform with an event-driven multi-tier software architecture
METROLOGIC INSTR INC35 citations96
US7527206B2May 5, 2009
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
METROLOGIC INSTR INC37 citations96
US7513430B2Apr 7, 2009
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
METROLOGIC INSTR INC36 citations96
US7503499B2Mar 17, 2009
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 INSTR INC36 citations96
US7503498B2Mar 17, 2009
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
METROLOGIC INSTR INC14 citations96
US7428998B2Sep 30, 2008
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
METROLOGIC INSTR INC34 citations96
US7278575B2Oct 9, 2007
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
METROLOGIC INSTR INC24 citations96
US7267282B2Sep 11, 2007
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
METROLOGIC INSTR INC29 citations96
US7255279B2Aug 14, 2007
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
METROLOGIC INSTR INC37 citations96
US7243847B2Jul 17, 2007
Digital imaging-based bar code symbol reader employing an LED-based illumination subsystem driven by an automatic light exposure measurement and illumination control subsystem
METROLOGIC INSTR INC15 citations96
US7225989B2Jun 5, 2007
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
METROLOGIC INSTR INC29 citations96
US7216810B2May 15, 2007
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
METROLOGIC INSTR INC17 citations96
US7213762B2May 8, 2007
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
METROLOGIC INSTR INC23 citations96
US7188770B2Mar 13, 2007
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
METROLOGIC INSTR INC31 citations96
US7178733B2Feb 20, 2007
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
METROLOGIC INSTR INC32 citations96
US7637433B1Dec 29, 2009
Digital image capture and processing system employing a micro-computing platform with an event-driven multi-tier modular software architecture and supporting an image-processing based illumination metering program for automatically adjusting illumination during object illumination and imaging operations
METROLOGIC INSTR INC15 citations93
UNIV TSINGHUA
10 patentsUS7710649B2May 4, 2010
Optical polarizer and method for fabricating the same
UNIV TSINGHUA77 citations98
US7630040B2Dec 8, 2009
Liquid crystal display and manufacturing method therefor comprising alignment films of oriented carbon nanotubes
UNIV TSINGHUA92 citations98
US7357691B2Apr 15, 2008
Method for depositing carbon nanotubes on a substrate of a field emission device using direct-contact transfer deposition
UNIV TSINGHUA57 citations98
US7854992B2Dec 21, 2010
Conductive tape and method for making the same
UNIV TSINGHUA65 citations97
US7491883B2Feb 17, 2009
Coaxial cable
UNIV TSINGHUA76 citations97
US7459627B2Dec 2, 2008
Coaxial cable
UNIV TSINGHUA59 citations97
US7413474B2Aug 19, 2008
Composite coaxial cable employing carbon nanotubes therein
UNIV TSINGHUA88 citations96
US7780496B2Aug 24, 2010
Method for fabricating electron emitter
UNIV TSINGHUA54 citations94
US8357881B2Jan 22, 2013
Carbon nanotube fabric and heater adopting the same
UNIV TSINGHUA21 citations93
US7992616B2Aug 9, 2011
Apparatus and method for making carbon nanotube film
UNIV TSINGHUA26 citations93
LIU LIANG
4 patentsEXTREME NETWORKS INC
3 patentsUS7814204B1Oct 12, 2010
Method of and system for analyzing the content of resource requests
EXTREME NETWORKS INC56 citations97
US7321926B1Jan 22, 2008
Method of and system for allocating resources to resource requests
EXTREME NETWORKS INC300 citations97
US7447777B1Nov 4, 2008
Switching system
EXTREME NETWORKS INC64 citations95
JIANG KAI-LI
2 patentsBEIFA GROUP CO LTD
2 patentsHON HAI PREC IND CO LTD
1 patentBEIJING FUNATE INNOVATION TECH
1 patentShowing the top 50 of 671 patents by PatentIndex Score.