Wenhua Zhang

Person

Suzhou, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Method of reading code symbols using a digital image capturing and...
- Patent number 7,681,799
- Issue date Mar 23, 2010
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital image capture and processing system employing a micro-compu...
- Patent number 7,637,433
- Issue date Dec 29, 2009
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of automatically reading code symbols on objects present wit...
- Patent number 7,624,926
- Issue date Dec 1, 2009
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital image capture and processing system having automatic illumi...
- Patent number 7,611,064
- Issue date Nov 3, 2009
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of reading bar code symbols using a digital-imaging based co...
- Patent number 7,604,175
- Issue date Oct 20, 2009
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hand-supportable digital image-processing based bar code symbol rea...
- Patent number 7,568,625
- Issue date Aug 4, 2009
- Metpologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of setting the time duration of illumination from an LED-bas...
- Patent number 7,527,206
- Issue date May 5, 2009
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital image capturing and processing system employing an area-typ...
- Patent number 7,513,430
- Issue date Apr 7, 2009
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Portable digital image capturing and processing system employing an...
- Patent number 7,510,122
- Issue date Mar 31, 2009
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital image capturing and processing system producing narrow-band...
- Patent number 7,503,499
- Issue date Mar 17, 2009
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hand-supportable digital image capturing and processing system empl...
- Patent number 7,503,498
- Issue date Mar 17, 2009
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of reading code symbols using a hand-supportable digital ima...
- Patent number 7,490,778
- Issue date Feb 17, 2009
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hand-supportable imaging based bar code symbol reader employing aut...
- Patent number 7,490,774
- Issue date Feb 17, 2009
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital-imaging based code symbol reading system employing an event...
- Patent number 7,469,835
- Issue date Dec 30, 2008
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Automatic hand-supportable image-based bar code symbol reader havin...
- Patent number 7,428,998
- Issue date Sep 30, 2008
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hand-supportable imaging-based auto-discriminating 1D/2D bar code s...
- Patent number 7,360,706
- Issue date Apr 22, 2008
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hand-supportable imaging-based bar code symbol reader employing a C...
- Patent number 7,357,325
- Issue date Apr 15, 2008
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hand-supportable digital imaging-based bar code symbol reader emplo...
- Patent number 7,347,374
- Issue date Mar 25, 2008
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of and system for determining the lower limit of decoding re...
- Patent number 7,325,738
- Issue date Feb 5, 2008
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital imaging-based bar code symbol reading system employing a mu...
- Patent number 7,320,431
- Issue date Jan 22, 2008
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital imaging-based bar code symbol driven portable data terminal...
- Patent number 7,299,986
- Issue date Nov 27, 2007
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hand-supportable digital imaging-based bar code symbol reading syst...
- Patent number 7,293,714
- Issue date Nov 13, 2007
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hand-supportable semi-automatic digital imaging-based bar code symb...
- Patent number 7,284,705
- Issue date Oct 23, 2007
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hand-supportable digital imaging-based bar code symbol reading syst...
- Patent number 7,281,661
- Issue date Oct 16, 2007
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hand-supportable image-based bar code symbol reader employing helic...
- Patent number 7,278,575
- Issue date Oct 9, 2007
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital image-based bar code symbol reading system employing a mult...
- Patent number 7,270,272
- Issue date Sep 18, 2007
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hand-supportable imaging-based bar code symbol reader capable of ex...
- Patent number 7,267,282
- Issue date Sep 11, 2007
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hand-supportable digital imaging-based bar code reading system wher...
- Patent number 7,255,279
- Issue date Aug 14, 2007
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital imaging-based bar code symbol reader employing an LED-based...
- Patent number 7,243,847
- Issue date Jul 17, 2007
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hand-suportable imaging-based bar code symbol reader employing an a...
- Patent number 7,240,844
- Issue date Jul 10, 2007
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Method of reading bar code symbols using a digital-imaging based co...
- Publication number 20080149723
- Publication date Jun 26, 2008
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Hand-supportable digital image-processing based bar code symbol rea...
- Publication number 20080135620
- Publication date Jun 12, 2008
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method of reading code symbols using a digital image capturing and...
- Publication number 20080011858
- Publication date Jan 17, 2008
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Digital-imaging based code symbol reading system employing an event...
- Publication number 20070290044
- Publication date Dec 20, 2007
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Digital image capture and processing system having automatic illumi...
- Publication number 20070176002
- Publication date Aug 2, 2007
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method of automatically reading code symbols on objects present wit...
- Publication number 20070158427
- Publication date Jul 12, 2007
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Digital-imaging code symbol reading system supporting automatic pro...
- Publication number 20070145148
- Publication date Jun 28, 2007
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method of setting the time duration of illumination from an LED-bas...
- Publication number 20070145144
- Publication date Jun 28, 2007
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Portable digital image capturing and processing system employing an...
- Publication number 20070138292
- Publication date Jun 21, 2007
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Hand-supportable digital image capturing and processing system empl...
- Publication number 20070138291
- Publication date Jun 21, 2007
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Hand-supportable digital image capturing and processing system empl...
- Publication number 20070138293
- Publication date Jun 21, 2007
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Hand-supportable digital image capturing and processing system, whe...
- Publication number 20070131775
- Publication date Jun 14, 2007
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Hand-supportable digital imaging-based bar code symbol reader emplo...
- Publication number 20060278711
- Publication date Dec 14, 2006
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Hand-supportable digital imaging-based bar code symbol reader emplo...
- Publication number 20060219792
- Publication date Oct 5, 2006
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Digital imaging-based bar code symbol reading system employing a mu...
- Publication number 20050263599
- Publication date Dec 1, 2005
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Digital imaging-based bar code reading system wherein the time dura...
- Publication number 20050116040
- Publication date Jun 2, 2005
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Hand-supportable imaging-based bar code symbol reader employing an...
- Publication number 20050116041
- Publication date Jun 2, 2005
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Hand-supportable image-based bar code symbol reader employing helic...
- Publication number 20050116039
- Publication date Jun 2, 2005
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Hand-supportable imaging-based bar code symbol reader employing a C...
- Publication number 20050116043
- Publication date Jun 2, 2005
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method of and apparatus for processing captured digital images of o...
- Publication number 20050116044
- Publication date Jun 2, 2005
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Digital imaging-based bar code symbol reader employing an LED-based...
- Publication number 20050103859
- Publication date May 19, 2005
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Hand-supportable digital imaging-based bar code reading system wher...
- Publication number 20050103861
- Publication date May 19, 2005
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HAND-SUPPORTABLE IMAGING-BASED BAR CODE SYMBOL READER EMPLOYING AUT...
- Publication number 20050103862
- Publication date May 19, 2005
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method of and system for determining the lower limit of decoding re...
- Publication number 20050103863
- Publication date May 19, 2005
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Hand-supportable semi-automatic digital imaging-based bar code symb...
- Publication number 20050103867
- Publication date May 19, 2005
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Digital imaging-based bar code symbol driven portable data terminal...
- Publication number 20050103868
- Publication date May 19, 2005
- Xiaoxum Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method of performing auto-discrimination of 1D/2D bar code symbolog...
- Publication number 20050103847
- Publication date May 19, 2005
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Hand-supportable imaging-based bar code symbol reader employing a t...
- Publication number 20050103858
- Publication date May 19, 2005
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Digital imaging-based bar code symbol reading system employing an l...
- Publication number 20050103860
- Publication date May 19, 2005
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Hand-supportable multi-mode imaging-based bar code symbol reader em...
- Publication number 20050103857
- Publication date May 19, 2005
- Metrologic Instruments, Inc.
- Xiaoxun Zhu
- G06 - COMPUTING CALCULATING COUNTING

Wenhua Zhang

Person

Patents Grantslast 30 patents

Method of reading code symbols using a digital image capturing and...

Digital image capture and processing system employing a micro-compu...

Method of automatically reading code symbols on objects present wit...

Digital image capture and processing system having automatic illumi...

Method of reading bar code symbols using a digital-imaging based co...

Hand-supportable digital image-processing based bar code symbol rea...

Method of setting the time duration of illumination from an LED-bas...

Digital image capturing and processing system employing an area-typ...

Portable digital image capturing and processing system employing an...

Digital image capturing and processing system producing narrow-band...

Hand-supportable digital image capturing and processing system empl...

Method of reading code symbols using a hand-supportable digital ima...

Hand-supportable imaging based bar code symbol reader employing aut...

Digital-imaging based code symbol reading system employing an event...

Automatic hand-supportable image-based bar code symbol reader havin...

Hand-supportable imaging-based auto-discriminating 1D/2D bar code s...

Hand-supportable imaging-based bar code symbol reader employing a C...

Hand-supportable digital imaging-based bar code symbol reader emplo...

Method of and system for determining the lower limit of decoding re...

Digital imaging-based bar code symbol reading system employing a mu...

Digital imaging-based bar code symbol driven portable data terminal...

Hand-supportable digital imaging-based bar code symbol reading syst...

Hand-supportable semi-automatic digital imaging-based bar code symb...

Hand-supportable digital imaging-based bar code symbol reading syst...

Hand-supportable image-based bar code symbol reader employing helic...

Digital image-based bar code symbol reading system employing a mult...

Hand-supportable imaging-based bar code symbol reader capable of ex...

Hand-supportable digital imaging-based bar code reading system wher...

Digital imaging-based bar code symbol reader employing an LED-based...

Hand-suportable imaging-based bar code symbol reader employing an a...

Patents Applicationslast 30 patents

Method of reading bar code symbols using a digital-imaging based co...

Hand-supportable digital image-processing based bar code symbol rea...

Method of reading code symbols using a digital image capturing and...

Digital-imaging based code symbol reading system employing an event...

Digital image capture and processing system having automatic illumi...

Method of automatically reading code symbols on objects present wit...

Digital-imaging code symbol reading system supporting automatic pro...

Method of setting the time duration of illumination from an LED-bas...

Portable digital image capturing and processing system employing an...

Hand-supportable digital image capturing and processing system empl...

Hand-supportable digital image capturing and processing system empl...

Hand-supportable digital image capturing and processing system, whe...

Hand-supportable digital imaging-based bar code symbol reader emplo...

Hand-supportable digital imaging-based bar code symbol reader emplo...

Digital imaging-based bar code symbol reading system employing a mu...

Digital imaging-based bar code reading system wherein the time dura...

Hand-supportable imaging-based bar code symbol reader employing an...

Hand-supportable image-based bar code symbol reader employing helic...

Hand-supportable imaging-based bar code symbol reader employing a C...

Method of and apparatus for processing captured digital images of o...

Digital imaging-based bar code symbol reader employing an LED-based...

Hand-supportable digital imaging-based bar code reading system wher...

HAND-SUPPORTABLE IMAGING-BASED BAR CODE SYMBOL READER EMPLOYING AUT...

Method of and system for determining the lower limit of decoding re...

Hand-supportable semi-automatic digital imaging-based bar code symb...

Digital imaging-based bar code symbol driven portable data terminal...

Method of performing auto-discrimination of 1D/2D bar code symbolog...

Hand-supportable imaging-based bar code symbol reader employing a t...

Digital imaging-based bar code symbol reading system employing an l...

Hand-supportable multi-mode imaging-based bar code symbol reader em...