Inventor · disambiguated record
Congwei Xu
Also filed as: XU CONGWEI
21 granted patents·1 pending application·345 citations·filing 2001–2022
96Inventor score
Files withMETROLOGIC INSTR INC18DEWERTOKIN TECH GROUP CO LTD3OKIN REFINED ELECTRIC TECHNOLOGY CO LTD1
Top patents by PatentIndex Score
22 records- 0194US6619549B2Bar code symbol reading device having intelligent data communication interface to a host systemMETROLOGIC INSTR INC·Filed 2001·Granted Sep 16, 2003·107 cites·61 claims
- 0292US6976626B2Wireless bar code symbol driven portable data terminal (PDT) system adapted for single handed operationMETROLOGIC INSTR INC·Filed 2003·Granted Dec 20, 2005·84 cites·6 claims
- 0381US7172126B2Wireless 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 modeMETROLOGIC INSTR INC·Filed 2003·Granted Feb 6, 2007·18 cites·6 claims
- 0480US7028904B2Wireless 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 rangeMETROLOGIC INSTR INC·Filed 2003·Granted Apr 18, 2006·16 cites·15 claims
- 0578US7111786B2Automatically-activated wireless hand-supportable laser scanning bar code symbol reading system with data transmission activation switch and automatic communication range dependent controlMETROLOGIC INSTR INC·Filed 2004·Granted Sep 26, 2006·21 cites·17 claims
- 0677US7464878B2Automatically-activated wireless hand-supportable laser scanning bar code symbol reading system with automatic communication range dependent controlMETROLOGIC INSTR INC·Filed 2006·Granted Dec 16, 2008·6 cites·17 claims
- 0777US7281663B2Wireless bar code symbol reading system having hand-supportable unit and remote base stationMETROLOGIC INSTR INC·Filed 2003·Granted Oct 16, 2007·13 cites·21 claims
- 0876US7007849B2Automatically-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 switchMETROLOGIC INSTR INC·Filed 2003·Granted Mar 7, 2006·12 cites·4 claims
- 0975USD937754SCup holderOKIN REFINED ELECTRIC TECHNOLOGY CO LTD·Filed 2019·Granted Dec 7, 2021·13 cites·1 claims
- 1074US7325740B2Automatically-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 operationsMETROLOGIC INSTR INC·Filed 2003·Granted Feb 5, 2008·10 cites·4 claims
- 1173US7686225B2Wireless code symbol reading system with automatic communication range dependent controlMETROLOGIC INSTR INC·Filed 2007·Granted Mar 30, 2010·4 cites·20 claims
- 1273US7121468B2Method of developing an application program for running on a wireless portable data terminal (PDT)METROLOGIC INSTR INC·Filed 2004·Granted Oct 17, 2006·14 cites·2 claims
- 1372US7044383B2Bar code symbol reading device having intelligent data communication interface to a host systemMETROLOGIC INSTR INC·Filed 2003·Granted May 16, 2006·13 cites·34 claims
- 1467US7048192B2Wireless bar code symbol reading system employing a base station with a cradle having a hinged support hooks for enabling vertical and horizontal installationsMETROLOGIC INSTR INC·Filed 2003·Granted May 23, 2006·6 cites·6 claims
- 1566US7934659B2Wireless bar code symbol driven portable data terminal (PDT) system for running application programs on an operating system emulated on a virtual machineMETROLOGIC INSTR INC·Filed 2006·Granted May 3, 2011·2 cites·11 claims
- 1666US7686226B2Digital imaging-based system having intelligent data communication interface to a host systemMETROLOGIC INSTR INC·Filed 2008·Granted Mar 30, 2010·2 cites·20 claims
- 1762USD1039511SSmart speakerDEWERTOKIN TECH GROUP CO LTD·Filed 2022·Granted Aug 20, 2024·2 cites·1 claims
- 1856US7278578B2Automatically-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 rangeMETROLOGIC INSTR INC·Filed 2003·Granted Oct 9, 2007·2 cites·12 claims
- 1950US7383997B2Method of automatically establishing a data communication link between an optical code reading device and a host system having a data communication interfaceMETROLOGIC INSTR INC·Filed 2006·Granted Jun 10, 2008·0 cites·21 claims
- 2046US7137561B2Wireless laser scanning bar code symbol reading system employing a low-battery protection circuit, vibrational alarm and sleep mode of operationMETROLOGIC INSTR INC·Filed 2003·Granted Nov 21, 2006·0 cites·2 claims
- 2145US2024292960A1Control box and electric furnitureDEWERTOKIN TECH GROUP CO LTD·Filed 2021·Application pending·0 cites
- 2242USD1037181SSwitchDEWERTOKIN TECH GROUP CO LTD·Filed 2022·Granted Jul 30, 2024·0 cites·1 claims
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