Inventor

YAN WEIZHEN

CN35 patents

⚠️ This page may combine multiple inventors who share the name “YAN WEIZHEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

YAN WEIZHEN

FUJITSU LTD

Nonlinear term selection apparatus and method, identification system and compensation system

Timing synchronization apparatus and method for multi-carrier modulation signals

Method and apparatus for compensating nonlinear distortions in intensity modulation-direct detection system

Inverse channel apparatus and transmitter, receiver and system containing the apparatus

Bit allocation method, apparatus for multicarrier modulation signal, and system

Method and apparatus for adaptive nonlinear equalization in a polarization multiplexing optical communication system

Sequence synchronization apparatus and method and receiver

Channel equalization and tracking apparatus and method and receiver

Adaptive equalizer, adaptive equalization method and receiver

Signal transmission apparatus and multicarrier communication system

Nonlinear compensating apparatus and method, transmitter and communication system

Method and apparatus for estimating cross-phase modulation impairments

METROLOGIC INSTR INC

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

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

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

Code symbol reading system

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

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

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

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

KOTLARSKY ANATOLY

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

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

Optical scanning system having an extended programming mode and method of unlocking restricted extended classes of features and functionalities embodied therewithin

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

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

YAN WEIZHEN

Method and apparatus for compensating nonlinear damage

Average length magnitude detecting apparatus, and method

Apparatus and method for monitoring statistical characteristics of phase noises, and coherent optical communication receiver

Method and apparatus for compensating nonlinear damage