Inventor

Weizhen Yan

Inventor

Clementon, NJ, US

Overview

2010–2019

Patent span

Electricity

Primary field (CPC H)

Patents· 35 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Kprimary

G06KGraphical data reading45%

H04BTransmission24%

H04LTransmission of digital information, e.g. telegraphic communication21%

G06FElectric digital data processing2%

H03FAmplifiers2%

H04JMultiplex communication2%

H04WWireless communication networks2%

PatentTitleYear

10,454,638Bit allocation method, apparatus for multicarrier modulation signal, and system2019 10,270,634Signal transmission apparatus and multicarrier communication system2019 9,979,572Channel equalization and tracking apparatus and method and receiver2018 9,917,710'Adaptive equalizer, adaptive equalization method and receiver'2018 9,654,156'Nonlinear compensating apparatus and method, transmitter and communication system'2017 9,646,116'Nonlinear term selection apparatus and method, identification system and compensation system'2017 9,450,675'Method and apparatus for estimating cross-phase modulation impairments'2016 9,258,060'Method and apparatus for compensating nonlinear distortions in intensity modulation-direct detection system'2016 9,258,166'Timing synchronization apparatus and method for multi-carrier modulation signals'2016 9,219,622'Method and apparatus for compensating nonlinear damage'2015 9,209,899'Method and apparatus for adaptive nonlinear equalization in a polarization multiplexing optical communication system'2015 9,130,738'Sequence synchronization apparatus and method and receiver'2015 9,104,930'Code symbol reading system'2015 8,995,835'Inverse channel apparatus and transmitter, receiver and system containing the apparatus'2015 8,935,115'Method and apparatus for compensating nonlinear damage'2015 8,655,195'Average length magnitude detecting apparatus, and method'2014 8,517,271'Optical code symbol reading system employing a LED-driven optical-waveguide structure for illuminating a manually-actuated trigger switch integrated within a hand-supportable system housing'2013 8,479,992'Optical code symbol reading system employing an acoustic-waveguide structure for coupling sonic energy, produced from an electro-transducer, to sound wave ports formed in the system housing'2013 8,452,192'Apparatus and method for monitoring statistical characteristics of phase noises, and coherent optical communication receiver'2013 8,317,105'Optical scanning system having an extended programming mode and method of unlocking restricted extended classes of features and functionalities embodied therewithin'2012 8,157,175'Digital image capture and processing system supporting a presentation mode of system operation which employs a combination of video and snapshot modes of image detection array operation during a single cycle of system operation'2012 8,157,174'Digital image capture and processing system employing an image formation and detection system having an area-type image detection array supporting single snap-shot and periodic snap-shot modes of image acquisition during object illumination and imaging operations'2012 8,132,731'Digital image capture and processing system having a printed circuit (PC) board with a light transmission aperture, wherein an image detection array is mounted on the rear side of said PC board, and a linear array of light emitting diodes (LEDS) is mounted on the front surface of said PC board, and aligned with an illumination-focusing lens structure integrated within said imaging window'2012 8,100,331'Digital image capture and processing system having a printed circuit (PC) board with light transmission aperture, wherein first and second field of view (FOV) folding mirrors project the FOV of a digital image detection array on the rear surface of said PC board, through said light transmission aperture'2012 8,087,588'Digital image capture and processing system having a single printed circuit (PC) board with a light transmission aperture, wherein a first linear array of visible light emitting diodes (LEDs) are mounted on the rear side of the PC board for producing a linear targeting illumination beam, and wherein a second linear array of visible LEDs are mounted on the front side of said PC board for producing a field of visible illumination within the field of view (FOV) of the system'2012 8,047,438'Digital image capture and processing system employing an image formation and detection subsystem having an area-type image detection array supporting periodic occurrance of snap-shot type image acquisition cycles at a high-repetition rate during object illumination'2011 8,011,585'Digital image capture and processing system employing a linear LED-based illumination array mounted behind an illumination-focusing lens component integrated within the imaging window of the system'2011 7,997,489'Countertop-based digital image capture and processing system having an illumination subsystem employing a single array of LEDs disposed behind an illumination focusing lens structure integrated within the imaging window, for generating a field of visible illumination highly confined below the field'2011 7,988,053'Digital image capture and processing system employing an image formation and detection subsystem having image formation optics providing a field of view (FOV) on an area-type image detection array, and a multi-mode illumination subsystem having near and far field LED-based illumination arrays for illuminating near and far field portions of said FOV'2011 7,967,209'Method of blocking a portion of illumination rays generated by a countertop-supported digital imaging system, and preventing illumination rays from striking the eyes of the system operator or nearby consumers during operation of said countertop-supported digital image capture and processing system installed at a retail point of sale (POS) station'2011 7,922,089'Hand-supportable digital image capture and processing system employing automatic object presence detection to control automatic generation of a linear targeting illumination beam within the field of view (FOV), and manual trigger switching to initiate illumination'2011 7,900,839'Hand-supportable digital image capture and processing system having a printed circuit board with a light transmission aperture, through which the field of view (FOV) of the image detection array and visible targeting illumination beam are projected using a FOV-folding mirror'2011 7,845,561'Digital image capture and processing system supporting a periodic snapshot mode of operation wherein during each image acquisition cycle, the rows of image detection elements in the image detection array are exposed simultaneously to illumination'2010 7,845,559'Hand-supportable digital image capture and processing system employing visible targeting illumination beam projected from an array of visible light sources on the rear surface of a printed circuit (PC) board having a light transmission aperture, and reflected off multiple folding mirrors and projected through the light transmission aperture into a central portion of the field of view of said system'2010 7,841,533'Method of capturing and processing digital images of an object within the field of view (FOV) of a hand-supportable digitial image capture and processing system'2010

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010–2015Patents assigned to METROLOGIC INSTR INC (19)· patent assignee history

2010–2015Based in Clementon, NJ, US· patent location history

2012–2015Patents assigned to YAN WEIZHEN (12)· patent assignee history

2012–2013Patents assigned to ALLEN CHRISTOPHER (8)· patent assignee history

2012–2013Patents assigned to AU KA MAN (8)· patent assignee history

2013–2019Patents assigned to FUJITSU LTD (16)· patent assignee history

2013–2019Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
METROLOGIC INSTR INC	19	2010–2015
FUJITSU LTD	16	2013–2019
YAN WEIZHENself	12	2012–2015
ALLEN CHRISTOPHER	8	2012–2013
AU KA MAN	8	2012–2013

Locations

Location	Patents	Span
Clementon, New Jersey, US	19	2010–2015
Beijing, CN	16	2013–2019