Inventor · disambiguated record
Tao Xian
Also filed as: XIAN TAO
111 granted patents·17 pending applications·5,872 citations·filing 2007–2025
99Inventor score
Top patents by PatentIndex Score
128 records- 0199US9697401B2Add-on device with configurable optics for an image scanner for scanning barcodesHAND HELD PROD INC·Filed 2015·Granted Jul 4, 2017·144 cites·20 claims
- 0299US9367722B2Indicia reading system employing digital gain controlMETROLOGIC INSTR INC·Filed 2015·Granted Jun 14, 2016·109 cites·20 claims
- 0399US9301427B2Heat-dissipation structure for an indicia reading moduleHAND HELD PROD INC·Filed 2014·Granted Mar 29, 2016·144 cites·8 claims
- 0499US9064167B2Indicia reading system employing digital gain controlMETROLOGIC INSTR INC·Filed 2014·Granted Jun 23, 2015·523 cites·20 claims
- 0599US9038911B2Laser scanning code symbol reading systemMETROLOGIC INSTR INC·Filed 2014·Granted May 26, 2015·521 cites·20 claims
- 0699US8789759B2Laser scanning code symbol reading system employing multi-channel scan data signal processing with synchronized digital gain control (SDGC) for full range scanningMETROLOGIC INSTR INC·Filed 2013·Granted Jul 29, 2014·561 cites·20 claims
- 0799US8752766B2Indicia reading system employing digital gain controlMETROLOGIC INSTR INC·Filed 2013·Granted Jun 17, 2014·564 cites·20 claims
- 0898US11381729B1Systems, methods, and apparatuses for focus selection using image disparityHAND HELD PROD INC·Filed 2021·Granted Jul 5, 2022·6 cites·20 claims
- 0998US9530038B2Indicia-reading systemHAND HELD PROD INC·Filed 2014·Granted Dec 27, 2016·129 cites·13 claims
- 1098US9465967B2Apparatus comprising light sensing assemblies with range assisted gain controlHAND HELD PROD INC·Filed 2013·Granted Oct 11, 2016·129 cites·20 claims
- 1198US8448863B2Bar code symbol reading system supporting visual or/and audible display of product scan speed for throughput optimization in point of sale (POS) environmentsXIAN TAO·Filed 2010·Granted May 28, 2013·622 cites·21 claims
- 1297US11639846B2Dual-pattern optical 3D dimensioningHONEYWELL INT INC·Filed 2019·Granted May 2, 2023·18 cites·10 claims
- 1397US11449696B2Alternative illuminator assembly and mobile imaging apparatus for improved direct part marking readingHAND HELD PROD INC·Filed 2021·Granted Sep 20, 2022·6 cites·20 claims
- 1497US11036944B1Alternative illuminator assembly and mobile imaging apparatus for improved direct part marking readingHAND HELD PROD INC·Filed 2020·Granted Jun 15, 2021·11 cites·20 claims
- 1597US9665757B2Indicia reader for size-limited applicationsHAND HELD PROD INC·Filed 2014·Granted May 30, 2017·37 cites·18 claims
- 1697US9378403B2Method of using camera sensor interface to transfer multiple channels of scan data using an image formatWANG YNJIUN PAUL·Filed 2012·Granted Jun 28, 2016·131 cites·19 claims
- 1797US9280693B2Indicia-reader housing with an integrated optical structureHAND HELD PROD INC·Filed 2014·Granted Mar 8, 2016·142 cites·20 claims
- 1897US9277668B2Indicia-reading module with an integrated flexible circuitHAND HELD PROD INC·Filed 2014·Granted Mar 1, 2016·144 cites·15 claims
- 1997US9141839B2System and method for reading code symbols at long range using source power controlHAND HELD PROD INC·Filed 2013·Granted Sep 22, 2015·131 cites·19 claims
- 2097US9053380B2Removeable scanning module for mobile communication terminalXIAN TAO·Filed 2012·Granted Jun 9, 2015·526 cites·19 claims
- 2197US7520433B2Method for intelligently controlling the illumination and imagine of objects as they are moved through the 3D imaging volume of a digital image capturing and processing systemMETROLOGIC INSTR INC·Filed 2007·Granted Apr 21, 2009·42 cites·17 claims
- 2296US11755855B2Alternative illuminator assembly and mobile imaging apparatus for improved direct part marking readingHAND HELD PROD INC·Filed 2022·Granted Sep 12, 2023·4 cites·10 claims
- 2396US8950678B2Barcode reader with edge detection enhancementGERMAINE GENNADY·Filed 2010·Granted Feb 10, 2015·522 cites·22 claims
- 2496US7775436B2Method of driving a plurality of visible and invisible LEDs so as to produce an illumination beam having a dynamically managed ratio of visible to invisible (IR) spectral energy/power during object illumination and imaging operationsMETROLOGIC INSTR INC·Filed 2007·Granted Aug 17, 2010·41 cites·4 claims
- 2596US7581680B2Omni-directional digital image capturing and processing system employing coplanar illumination and imaging stations in horizontal and vertical housing sections of the systemMETROLOGIC INSTR INC·Filed 2007·Granted Sep 1, 2009·30 cites·26 claims
- 2696US7516898B2Digital image capturing and processing system for producing and projecting a complex of coplanar illumination and imaging planes into a 3D imaging volume and controlling illumination control parameters in said system using the detected motion and velocity of objectMETROLOGIC INSTR INC·Filed 2007·Granted Apr 14, 2009·29 cites·16 claims
- 2795US7571859B2Digital-imaging based code symbol reading system employing a plurality of coplanar illumination and imaging subsystems, global object motion detection subsystem for automatically detecting objects within its 3D imaging volume, and global control subsystem for managing the state of operation of said coplanar illumination and imaging substemsMETROLOGIC INSTR INC·Filed 2007·Granted Aug 11, 2009·21 cites·12 claims
- 2895US7543749B2Digital image capturing and processing system having a plurality of coplanar illumination and imaging subsystems, each employing a dual-type coplanar linear illumination and imaging engine that supports image-processing based object motion and velocity detection, and automatic image formation and detection along the coplanar illumination and imaging plane produced therebyMETROLOGIC INSTR INC·Filed 2007·Granted Jun 9, 2009·27 cites·13 claims
- 2995US7537165B2Omni-directional digital image capturing and processing system employing coplanar illumination and imaging planes and area-type illumination and imaging zones within the system housingMETROLOGIC INSTR INC·Filed 2007·Granted May 26, 2009·21 cites·25 claims
- 3094US12117598B2Variable focusing lens apparatusHAND HELD PROD INC·Filed 2022·Granted Oct 15, 2024·2 cites·20 claims
- 3194US11009786B1Integrated illumination-aimer imaging apparatusesHAND HELD PROD INC·Filed 2019·Granted May 18, 2021·8 cites·20 claims
- 3294US7594608B2Automatic omnidirectional bar code symbol reading system employing linear-type and area-type bar code symbol reading stations within the system housingMETROLOGIC INSTR INC·Filed 2007·Granted Sep 29, 2009·16 cites·21 claims
- 3394US7584892B2Digital-imaging based code symbol reading system employing a plurality of coplanar illumination and imaging subsystems, each having a local object motion detection subsystem for automatic detecting objects within the 3D imaging volume, and a local control subsystem for transmitting object detection state data to a global control subsystem for managing the state of operation of said coplanar illumination and imaging subsystemsMETROLOGIC INSTR INC·Filed 2007·Granted Sep 8, 2009·16 cites·14 claims
- 3494US7575169B2Digital image capturing and processing system for producing and projecting a plurality of coextensive area-type illumination and imaging zones into a 3D imaging volume and controlling illumination control parameters in said system using the detected motion of objects present therewithinMETROLOGIC INSTR INC·Filed 2007·Granted Aug 18, 2009·20 cites·26 claims
- 3594US7568626B2Automatic POS-based digital image capturing and processing system employing a plurality of area-type illumination and imaging zones intersecting within the 3D imaging volume of the systemMETROLOGIC INSTR INC·Filed 2007·Granted Aug 4, 2009·20 cites·19 claims
- 3694US7559474B2Automatic omnidirectional bar code symbol reading system employing linear-type and area-type bar code symbol reading stations within the system housingMETROLOGIC INSTR INC·Filed 2007·Granted Jul 14, 2009·21 cites·21 claims
- 3794US7556199B2Digital image capturing and processing system employing a plurality of coplanar illuminating and imaging stations projecting a complex of coplanar illumination and imaging planes into a 3D imaging volume so as to support pass-through and presentation modes of digital imaging at a point of sale (POS) environmentMETROLOGIC INSTR INC·Filed 2007·Granted Jul 7, 2009·20 cites·23 claims
- 3894US7546952B2Method of illuminating objects during digital image capture operations by mixing visible and invisible spectral illumination energy at point of sale (POS) environmentsMETROLOGIC INSTR INC·Filed 2007·Granted Jun 16, 2009·30 cites·6 claims
- 3994US7527204B2Omni-directional digital image capturing and processing system comprising coplanar illumination and imaging stations automatically detecting object motion and velocity and adjusting exposure and/or illumination control parameters therewithinMETROLOGIC INSTR INC·Filed 2007·Granted May 5, 2009·17 cites·19 claims
- 4093US7954719B2Tunnel-type digital imaging-based self-checkout system for use in retail point-of-sale environmentsMETROLOGIC INSTR INC·Filed 2007·Granted Jun 7, 2011·38 cites·7 claims
- 4193US7905413B2Digital image capturing and processing system employing a plurality of coplanar illumination and imaging subsystems for digitally imaging objects in a 3D imaging volume, and a globally-deployed object motion detection subsystem for automatically detecting and analyzing the motion of objects passing through said 3-D imaging volumeMETROLOGIC INSTR INC·Filed 2007·Granted Mar 15, 2011·22 cites·17 claims
- 4293US7588188B2Pos-based digital image capturing and processing system using automatic object detection, spectral-mixing based illumination and linear imaging techniquesMETROLOGIC INSTR INC·Filed 2007·Granted Sep 15, 2009·23 cites·7 claims
- 4393US7578445B2Automatic POS-based digital image capturing and processing system employing object motion controlled area-type illumination and imaging operationsMETROLOGIC INSTR INC·Filed 2007·Granted Aug 25, 2009·16 cites·18 claims
- 4492US7806335B2Digital image capturing and processing system for automatically recognizing objects in a POS environmentMETROLOGIC INSTR INC·Filed 2007·Granted Oct 5, 2010·22 cites·8 claims
- 4592US7673802B2Automatic POS-based digital image capturing and processing system employing a plurality of area-type illumination and imaging zones intersecting within the 3D imaging volume of the systemMETROLOGIC INSTR INC·Filed 2007·Granted Mar 9, 2010·14 cites·18 claims
- 4692US7533820B2Digital image capturing and processing system employing coplanar illumination and imaging stations which generate coplanar illumination and imaging planes only when and where an object is being moved within the 3D imaging volumeMETROLOGIC INSTR INC·Filed 2007·Granted May 19, 2009·13 cites·20 claims
- 4792US7533823B2Digital image capturing and processing system employing a plurality of coplanar illuminating and imaging stations projecting a plurality of coplanar illumination and imaging planes into a 3D imaging volume, and controlling operations therewithin using control data derived from motion data collected from the automated detection of objects passing through said 3D imaging volumeMETROLOGIC INSTR INC·Filed 2007·Granted May 19, 2009·14 cites·20 claims
- 4892US7530497B2Digital image capturing and processing system employing an image capturing and processing module and an integrated electronic weigh scale module having a load cell centrally located with respect to said image capturing and processing moduleMETROLOGIC INSTR INC·Filed 2007·Granted May 12, 2009·14 cites·15 claims
- 4991US12132999B2Illumination control for imaging systems with multiple image sensorsHAND HELD PROD INC·Filed 2023·Granted Oct 29, 2024·1 cites·20 claims
- 5091US8042740B2Method of reading bar code symbols on objects at a point-of-sale station by passing said objects through a complex of stationary coplanar illumination and imaging planes projected into a 3D imaging volumeMETROLOGIC INSTR INC·Filed 2007·Granted Oct 25, 2011·19 cites·9 claims
Showing the top 50 of 128 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Tao Xian files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →