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Yuhui Chen, 37Cupertino, CA

Known as:
Yu Hui Chen Yu H Chen Hui Chen Yu Yu-Hui Chen Yuh Chen Yufei Chen
Related to:
Yuyuan Wang 63

Yuhui Chen Phones & Addresses

Cupertino, CA   

Sunnyvale, CA   

Ann Arbor, MI   

Burlingame, CA   

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Yuhui Chen resumes & CV records

Resumes

Yuhui Chen Photo 21

Software Engineer

Location:
Columbus, OH
Industry:
Computer Software
Work:
Google
Software Engineer Gerald R. Ford School of Public Policy Jan 2011 - Nov 2015
Research Assistant Google May 2014 - Aug 2014
Software Engineering Intern R.o.c Army Aug 2009 - Jul 2010
Second Lieutenant Itri Jul 2007 - Sep 2007
Periodic Employee
Education:
University of Michigan 2010 - 2015
Doctorates, Doctor of Philosophy, Electrical Engineering, Philosophy University of Michigan 2010 - 2012
Master of Science, Masters, Electrical Engineering National Taiwan University 2005 - 2009
Bachelors, Electronics, Engineering, Communications
Skills:
Matlab, C++, C, Java, C#, Verilog, Programming, Python, Computer Vision, Labview, Data Analysis, Perl, Image Processing, Algorithms, Signal Processing, Machine Learning, Latex, Simulations, Image Registration, Mathematica, Statistics, Mathematical Modeling
Interests:
Programming
New Technology
Data Analysis
Playing Piano
Badminton
Snowboarding
Science and Technology
Music
Tennis
Reading Novels
Signal Processing
Languages:
Mandarin
English
Yuhui Chen Photo 22

Yuhui Chen

Publications & IP owners

Us Patents

Circuits And Methods For Flexible Current Partitioning In Monolithic Switching Regulators

US Patent:
7170195, Jan 30, 2007
Filed:
Oct 8, 2004
Appl. No.:
10/962302
Inventors:
Howard H. Haensel - Saratoga CA, US
Yuhui Chen - Fremont CA, US
Randy G. Flatness - Los Gatos CA, US
Assignee:
Linear Technology Corporation - Milpitas CA
International Classification:
H02J 1/00
US Classification:
307 43, 307 52, 307113
Abstract:
A monolithic switching regulator that flexibly distributes its output current among its output channels is provided. The monolithic switching regulator includes one or more additional channels that are externally connected to the output channels for providing additional current partitioning configurations. The external connections may be autosensed or programmed with an additional input pin. A switching logic circuit is provided for distributing the current among the output channels according to their external connections to the additional channels.

Led Driver With Multiple Feedback Loops

US Patent:
7928670, Apr 19, 2011
Filed:
Jun 30, 2008
Appl. No.:
12/164909
Inventors:
Yuhui Chen - Fremont CA, US
Junjie Zheng - Santa Clara CA, US
John William Kesterson - San Jose CA, US
Assignee:
iWatt Inc. - Los Gatos CA
International Classification:
H05B 37/02
US Classification:
315308, 315159, 315247, 315297
Abstract:
An LED driver includes at least two interlocked closed feedback loops. One feedback loop controls the duty cycle of the on/off times of a switch connected in series to the LED string, and the other feedback loop controls the duty cycle of the on/off times of a power switch in the switching power converter that provides a DC voltage applied to the LED string. The LED driver of the present invention achieves fast control of the LED brightness and current sharing among multiple LED strings simultaneously in a power-efficient and cost-efficient manner.

Methods And Circuits For Frequency Modulation That Reduce The Spectral Noise Of Switching Regulators

US Patent:
7362191, Apr 22, 2008
Filed:
Apr 29, 2004
Appl. No.:
10/835693
Inventors:
Yuhui Chen - Fremont CA, US
Doug LaPorte - San Jose CA, US
Randy Guy Flatness - Los Gatos CA, US
Robert C. Dobkin - Monte Sereno CA, US
Assignee:
Linear Technology Corporation - Milpitas CA
International Classification:
H03B 29/00
H02M 7/00
US Classification:
331 78, 363 13
Abstract:
The present invention comprises methods and circuits for spread spectrum frequency modulation that reduce peak spectral noise at the outputs or inputs of switching regulators. More specifically, the present invention modulates the operating frequency of the switching regulator in accordance with a frequency modulation waveform having a shape coordinated to a peak noise amplitude waveform that describes the correlation between the operating frequency of a switching regulator and the peak noise amplitude at the regulator's input or output absent spread spectrum frequency modulation.

Voltage Regulator With Virtual Remote Sensing

US Patent:
2011010, May 5, 2011
Filed:
Oct 30, 2009
Appl. No.:
12/610190
Inventors:
Robert Dobkin - Monte Sereno CA, US
Thomas P. Hack - Steamboat Springs CO, US
Yuhui Chen - Fremont CA, US
Assignee:
LINEAR TECHNOLOGY CORPORATION - Milpitas CA
International Classification:
G05F 1/10
US Classification:
323282
Abstract:
An automatic voltage compensation circuit in a voltage regulator compensates the output voltage for a voltage drop along lines leading to a remote load. A load capacitor is connected across the load for providing a low impedance across the load during a test phase of the regulator. In one embodiment, during the test phase, the load current is changed up or down a small percentage (e.g., 10%). As a result, the regulator voltage changes due only to the line resistance since the load is bypassed by the load capacitor. The voltage drop at full load current is then derived by detecting the change in regulator output voltage (a fractional voltage drop) and multiplying it. The normal mode is resumed, and the derived voltage drop is added to the regulator output by either compensating the feedback loop or by adding the voltage drop to the output of the regulator.

Circuits And Methods For Accurately Setting A Phase Shift

US Patent:
6744296, Jun 1, 2004
Filed:
May 5, 2003
Appl. No.:
10/430837
Inventors:
Yuhui Chen - Fremont CA
Mitchell E. Lee - San Jose CA
Stephen W. Hobrecht - Los Altos CA
Assignee:
Linear Technology Corporation - Milpitas CA
International Classification:
H03K 513
US Classification:
327231, 327246
Abstract:
Circuits and methods for providing an accurate phase shift between a generated output signal and an input signal are disclosed. The circuits and methods enable any amount of accurate phase shift to be set without requiring significant changes in circuitry with each phase shift. The phase shift is set by a voltage applied to a feedback amplifier connected to a low-pass filter and a timer circuit that resets a latch circuit.

Possible Relatives

Cynthia Chen  David Chen  Cyril X Chen  Cyrus Y Chen  Dawei W Chen  De T Chen  Dafang Chen  Yuhui Lin  Yuhui Gan 

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