Inventor
XU CONGWEI
CN21 patents
⚠️ This page may combine multiple inventors who share the name “XU CONGWEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
METROLOGIC INSTR INC
18 patentsUS6976626B2Dec 20, 2005
Wireless bar code symbol driven portable data terminal (PDT) system adapted for single handed operation
METROLOGIC INSTR INC84 citations97
US6619549B2Sep 16, 2003
Bar code symbol reading device having intelligent data communication interface to a host system
METROLOGIC INSTR INC107 citations97
US7325740B2Feb 5, 2008
Automatically-activated laser scanning 2D bar code symbol reading system employing a visible linear-type laser scanning pattern and an audible feedback signal during scan data capturing and buffering operations
METROLOGIC INSTR INC10 citations92
US7281663B2Oct 16, 2007
Wireless bar code symbol reading system having hand-supportable unit and remote base station
METROLOGIC INSTR INC13 citations92
US7172126B2Feb 6, 2007
Wireless automatic laser scanning bar code symbol reading system, wherein the RF-based transceiver chipsets within the wireless hand-supportable unit and base station thereof are automatically deactivated and said RF data communication link therebetween terminated when said system enters its power-saving sleep mode, and reactivated and re-established when re-entering its operational mode
METROLOGIC INSTR INC18 citations92
US7121468B2Oct 17, 2006
Method of developing an application program for running on a wireless portable data terminal (PDT)
METROLOGIC INSTR INC14 citations92
US7111786B2Sep 26, 2006
Automatically-activated wireless hand-supportable laser scanning bar code symbol reading system with data transmission activation switch and automatic communication range dependent control
METROLOGIC INSTR INC21 citations92
US7028904B2Apr 18, 2006
Wireless bar code symbol reading system capable of automatically collecting and storing symbol character data when hand-supportable unit is operated outside of its rf data communication range, and automatically transmitting stored symbol character data when the hand-supportable unit is operated within its rf data communication range
METROLOGIC INSTR INC16 citations92
US7007849B2Mar 7, 2006
Automatically-activated hand-supportable 2-d bar code symbol reading system employing a linear laser scanning pattern generator, an automatic bar code symbol data detector, audible data capture feedback generator, and a manually-activated data transmission activation switch
METROLOGIC INSTR INC12 citations92
US7044383B2May 16, 2006
Bar code symbol reading device having intelligent data communication interface to a host system
METROLOGIC INSTR INC13 citations91
US7464878B2Dec 16, 2008
Automatically-activated wireless hand-supportable laser scanning bar code symbol reading system with automatic communication range dependent control
METROLOGIC INSTR INC6 citations74
US7048192B2May 23, 2006
Wireless bar code symbol reading system employing a base station with a cradle having a hinged support hooks for enabling vertical and horizontal installations
METROLOGIC INSTR INC6 citations73
US7686225B2Mar 30, 2010
Wireless code symbol reading system with automatic communication range dependent control
METROLOGIC INSTR INC4 citations63
US7278578B2Oct 9, 2007
Automatically-activated wireless laser scanning 2D bar code symbol reading system capable of automatically transmitting stored symbol character data when the hand-supportable unit is operated within its RF data communication range and automatically collecting and storing symbol character data when the hand-supportable unit is operated outside of its RF data communication range
METROLOGIC INSTR INC2 citations63
US7934659B2May 3, 2011
Wireless bar code symbol driven portable data terminal (PDT) system for running application programs on an operating system emulated on a virtual machine
METROLOGIC INSTR INC2 citations62
US7686226B2Mar 30, 2010
Digital imaging-based system having intelligent data communication interface to a host system
METROLOGIC INSTR INC2 citations61
US7137561B2Nov 21, 2006
Wireless laser scanning bar code symbol reading system employing a low-battery protection circuit, vibrational alarm and sleep mode of operation
METROLOGIC INSTR INC0 citations52
US7383997B2Jun 10, 2008
Method of automatically establishing a data communication link between an optical code reading device and a host system having a data communication interface
METROLOGIC INSTR INC0 citations51