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ECE Patents

Research

Universal system structure for low power adapters

Authors: Fred C. Lee; Xiucheng Huang; Qiang Li

Cognitive reconfigurable RF technology

Authors: Eyosias Yoseph Imana; Tae Young Yang; Jeffrey H. Reed

Circuit and method for driving synchronous rectifiers for high-frequency flyback converters

Authors: Xiucheng Huang; Fred C. Lee; Qiang Li

Sapphire sensor for measuring pressure and temperature

Authors: Bo Dong; Anbo Wang

Avoiding internal switching loss in soft switching cascode structure device

Authors: Xiucheng Huang; Weijing Du; Qiang Li; Fred C. Lee

Wideband frequency shift modulation using transient state of antenna

Authors: Majid Manteghi; Salehi Mohsen; Seong-Youp Suh; Adesoji J. Sajuyigbe; Harry G. Skinner

Wireless communication device using time-variant antenna module

Authors: Seong-Youp Suh; W. Dawson Kesling; Majid Manteghi; Mohsen Salehi; Harry Skinner

Maximum power point tracking for solar panels

Authors: Xinke Wu; Zijian Wang; Fred C. Lee; Feng Wang

External ramp autotuning for current mode control of switching converter

Authors: Pei-Hsin Liu; Fred C. Lee; Yingyi Yan; Paolo Mattavelli

Serial fiber Bragg grating interrogator with a pulsed laser for reflection spectrum measurement

Authors: Bo Dong; Fabin Shen; Anbo Wang

Method and apparatus to improve power device reliability

Authors: Chi-Ming Wang; Yincan Mao; Zichen Miao; Khai Ngo

Anti-islanding detection for three-phase distributed generation

Authors: Dong Dong; Dushan Boroyevich; Paolo Mattavelli

System and method for impedance measurement using chirp signal injection

Authors: Jacob Verhulst; Mohamed Belkhayat; Zhiyu Shen; Marko Jaksic; Paolo Mattavelli; Dushan Boroyevich

V2 power converter control with capacitor current ramp compensation

Authors: Yingyi Yan; Pei-Hsin Liu; Fred C. Lee

Method for reducing or eliminating conducted common mode noise in a transformer

Authors: Yuchen Yang; Daocheng Huang; Qiang Li; Fred C. Lee

Method and apparatus for current/power balancing

Authors: Yincan Mao; Chi-Ming Wang; Zichen Miao; Khai Ngo

High frequency integrated point-of-load power converter with embedded inductor substrate

Authors: Yipeng Su; Qiang Li; Fred C. Lee; Wenli Zhang

System and method for impedance measurement using series and shunt injection

Authors: Jacob Verhulst; Mohamed Belkhayat; Zhiyu Shen; Marko Jaksic; Paolo Mattavelli; Dushan Boroyevich

Using power fingerprinting (PFP) to monitor the integrity and enhance security of computer based systems

Authors: Jeffrey H. Reed; Carlos R. Aguayo Gonzalez

Using power fingerprinting (PFP) to monitor the integrity and enhance security of computer based systems

Authors: Jeffrey H. Reed; Carlos R. Aguayo Gonzalez

Two-stage multichannel LED driver with CLL resonant circuit

Authors: Xuebing Chen; Daocheng Huang; Qiang Li; Fred C. Lee

System and method for heterogenous spectrum sharing between commercial cellular operators and legacy incumbent users in wireless networks

Authors: Ashwin Amanna; Joseph Mitola III; Thomas Charles Clancy; Jeffrey H. Reed; Robert McGweir; Avik Sengupta; Akshay Kumar

Plug-and-play time-variant antenna module for wireless communication devices

Authors: Seong-Youp Suh; Harry G. Skinner; W. Dawson Kesling; Majid Manteghi

Systems, methods, and apparatus to enhance the integrity assessment when using power fingerprinting systems for computer-based systems

Authors: Carlos R. Aguayo Gonzalez; Jeffrey H. Reed; Steven C. Chen

Systems, methods, and apparatuses for intrusion detection and analytics using power characteristics such as side-channel information collection

Authors: Carlos R. Aguayo Gonzalez; Jeffrey H. Reed; Steven C. Chen

System and method for distributed data management in wireless networks

Authors: Ashwin Amanna III; Joseph Mitola III; Thomas Charles Clancy III; Jeffrey H. Reed; Robert W. McGwier; Seth Hitefield; Andrew Pham; Sergio Bernales; Michael Fowler

Wireless communication device using time-variant antenna module

Authors: Seong-Youp Suh; W. Dawson Kesling; Majid Manteghi; Mohsen Salehi; Harry G. Skinner

Anti-islanding protection in three-phase converters using grid synchronization small-signal stability

Authors: D. Dong; D. Boroyevich; P. Mattavelli; B. Wen

Three-level active neutral point clamped zero voltage switching converter

Authors: J. Li; D. Boroyevich; J. Liu

Power inductors in silicon

Authors: M. Wang; H. Xie; K. D. T. Ngo

Extended interior methods and systems for spectral, optical, and photoacoustic imaging

Authors: G. Wang; Y. Xu; A. Cong; H. Shen; W. Cong; L. Yang; Y. Lu

Holey optical fiber with random pattern of holes and method for making same

Authors: J. I. Kim; D. Kominsky; G. Pickrell; A. Safaai-Jazi; R. H. Stolen; A. Wang

Hybrid switch for resonant power converters

Authors: J.-S. Lai; W. Yu

Multilayer packaged semiconductor device and method of packaging

Authors: K. Rajashekara; R. Wang; Z. Chen; D. Boroyevich

Control system and method for a universal power conditioning system

Authors: J.-S. Lai; S. Y. Park; C.-L. Chen

Use of PLL stability for islanding detection

Authors: T. N. Thacker; D. Boroyevich; F. Wang; R. Burgos

High frequency loss measurement apparatus and methods for inductors and transformers

Authors: M. Mu; F. C. Lee

Pulse-width-modulated resonant power conversion

Authors: K. D. T. Ngo; X. Cao; Y. Wang

Adaptive on-time control for power factor correction stage light load efficiency

Authors: Q. Li; F. C. Lee; M. Xu; C. Wang

Fiber array for optical imaging and therapeutics

Authors: C. Rylander; T. A. Campbell; G. Wang; Y. Xu; M. A. Kosoglu

Apparatus and method for on-line, real-time analysis of chemical gases dissolved in transformer oil

Authors: B. Dong; A. Wang; J. Gong

Multi-phase EMI noise separator

Authors: S. Wang; F. C. Lee

Compact Roman lens using metamaterials

Authors: A. I. Zaghloul; E. D. Adler

Multi-Channel Constant Current Source and Illumination Source

Authors: S. Ji; H. Wu; and F. Lee

Digital Hybrid V2 Control for Buck Converters

Authors: K.-Y. Cheng; F. Yu; P. Mattavelli; and F. Lee

Electrical Power System with High-Density Pulse Width Modulated (PWM) Rectifier

Authors: R. Wang; F. Wang; R. Burgos; D. Boroyevich; K. Rajashekara; and S. Long

Method of Manufacture of a Variable Inductance Inductor

Authors: M. Lim and J.D. van Wyk

Hardware-Facilitated Secure Software Execution Environment

Authors: M. Jones; P. Athanas; C. Patterson; J. Edmison; T. Mahar; B. Muzal; B. Polakowski; and J. Graf

Integrated Power Passives

Authors: H. Xie and K. Ngo

High Frequency Loss Measurement Apparatus and Methods for Inductors and Transformers

Authors: M. Mu; F. Lee

Techniques for Forming Contacts to Quantum Well Transistors

Authors: R. Pillarisetty; B. Chu-Kung; M. Hudait ; M. Radosavljevic; J. Kavalieros; W. Rachmady; N. Mukherjee; R. Chau

Motor Power Factor Correction Apparatus and Method

Authors: K. Ramu

System and Method for Controlling Four-Quadrant Operation of a Switched Reluctance Motor Drive Through a Single Controllable Switch

Authors: K. Ramu; K. Ha; S.-Y. Park

Method, Controller, and Power Converter for Controlling a Single-Switch Based Switched Reluctance Machine

Authors: K. Ramu

Doppler Sensor for the Derivation of Torsional Slip, Friction and Related Parameters

Authors: C. Holton; M. Ahmadian

Self-Aligned Replacement Metal Gate Process for QWFET Devices

Authors: M. Radosavljevic; B. Chu-Kung; M. Hudait; R. Pillarisetty

Selective High-K Dielectric Film Deposition for Semiconductor Device

Authors: W. Rachmady; M. Radosavljevic; M. Hudait; M. Metz

High Hole Mobility P-Channel Ge Transistor Structure on Si Substrate

Authors: M. Hudait; S. Datta; J. Kavalieros; P. Tolchinsky

Modulation-Doped Multi-Gate Devices

Authors: M. Hudait; R. Pillarisetty; M. Radosavljevic; G. Dewey; J. Kavalieros

Modulation-Doped Halo in Quantum Well Field-Effect Transistors, Apparatus Made therewith, and Methods of Using Same

Authors: R. Pillarisetty; T. Rakshit; M. Hudait; M. Radosavljevic; G. Dewey; B. Chu-Kung

Tensile Strained NMOS Transistor Using Group III-N Source/Drain Regions

Authors: S. Datta; J. Brask; B.-Y. Jin; J. Kavalieros; M. Hudait

Double Quantum Well Structures for Transistors

Authors: R. Pillarisetty; M. Hudait; M. Radosavljevic; G. Dewey; T. Rakshit; J. Kavalieros

Modulation-Doped Multi-Gate Devices

Authors: M. Hudait; R. Pillarisetty; M. Radosavljevic; G. Dewey; J. Kavalieros

High Hole Mobility P-Channel Ge Transistor Structure on Si Substrate

Authors: M. Hudait; S. Datta; J. Kavalieros; P. Tolchinsky

Stacking Fault and Twin Blocking Barrier for Integrating III-V on Si

Authors: M. Hudait; M. Shaheen; L. Chow; P. Tolchinsky; J. Fastenau; D. Loubychev; A. Liu

Extreme High Mobility CMOS Logic

Authors: S. Datta; M. Hudait; M. Doczy; J. Kavalieros; M. Amlan; J. Brask; B.-Y. Jin; M. Metz; R. Chau

Apparatus and Methods for Improving Parallel Conduction in Quantum Well Device

Authors: R. Pillarisetty; M. Hudait; B.-Y. Jin; B. Chu-Kung; R. Chau

Quantum Well MOSFET Channels Having Uni-Axial Strain Caused by Metal Source/Drains, and Conformal Regrowth Source/Drains

Authors: P. Majhi; M. Hudait; J. Kavalieros; R. Pillarisetty; M. Radosavljevic; G. Dewey; T. Rakshit; W. Tsai

Optical Fiber Pressure and Acceleration Sensor Fabricated on a Fiber Endface

Authors: Y. Zhu; X. Wang; J. Xu; A. Wang

Intrinsic Fabry-Perot Optical Fiber Sensors and Their Multiplexing

Authors: A. Wang

Semiconductor Heterostructures to Reduce Short Channel Effects

Authors: R. Pillarisetty; M. Hudait; M. Radosavljevic; G. Dewey; T. Rakshit; R. Chau

Switching Capacitor-PWM Power Converter

Authors: M. Xu; K. Jin; F. Lee

Efficient Outphasing Transmitter

Authors: T. Bose; X. Chen; J. Reed

Fabrication of Miniature Fiber-Optic Temperature Sensors

Authors: Y. Zhu; A. Wang

Selective High-K Dielectric Film Deposition for Semiconductor Device

Authors: W. Rachmady; M. Radosavljevic; M.K. Hudait

Methods of Forming Buffer Layer Architecture on Silicon and Structures Formed Thereby

Authors: M.K. Hudait; P.G. Tolchinsky; L.A. Chow; D. Loubychev; J.M. Fastenau; A.W.K. Liu

Replacement Gate, Self-Aligned Process for Fabrication of Enhancement Mode III-V QW Devices

Authors: P. Majhi; M.K. Hudait; J.T. Kavalieros; R. Pillarisetty; M. Radosavljevic; G. Dewey; T. Rakshit; W. Tsai

Dopant Confinement in the Delta Doped Layer Using a Dopant Segregation Barrier in Quantum Well Structures

Authors: M.K. Hudait; A.A. Budrevich; D. Loubychev; J.T. Kavalieros; S. Datta; J.M. Fastenau; A.W.K. Liu

High Hole Mobility p-Channel Ge Transistor Structure on Si Substrate

Authors: M.K. Hudait; S. Datta; J.T. Kavalieros; P.G. Tolchinsky

Semiconductor Buffer Architecture for III-V Devices on Silicon Substrates

Authors: M.K. Hudait; M.A. Shaheen; D. Loubychev; A.W.K. Liu; J.M. Fastenau

Buffer Layers for Device Isolation of Devices Grown on Silicon

Authors: M.K. Hudait; M.A. Shaheen; L. Chow; P.G. Tolchinsky; J.M. Fastenau; D. Loubychev; A.W.K. Liu

Dislocation Removal From a Group III-V Film Grown on a Semiconductor Substrate

Authors: M.K. Hudait; P.G. Tolchinsky; J.T. Kavalieros; M. Radosavljevic

Quantum Well Field-Effect Transistors with Composite Spacer Structures, Apparatus Made Therewith, and Methods of Using Same

Authors: M.K. Hudait; R.S. Chau; M. Radosavljevic; R. Pillarisetty; G. Dewey

Thin Transition Layer Between a Group III-V Substrate and a High-K Gate Dielectric Layer

Authors: W. Rachmady; J. Blackwell; S. Datta; J. T. Kavalieros; M.K. Hudait

Group III-V Devices with Multiple Spacer Layers

Authors: M.K. Hudait; M. Radosavljevic; R. Pillarisetty; G. Dewey

Apparatus and Methods for Forming a Modulation Doped Non-Planar Transistor

Authors: R. Pillarisetty; M.K. Hudait; M. Radosavljevic; W. Rachmady; G. Dewey; J. Kavalieros

Quasi-Parallel Voltage Regulator

Authors: M. Xu; J. Sun; Y. Liu; F.C. Lee

Multiphase Voltage Regulator Having Coupled Inductors with Reduced Winding Resistance

Authors: Y. Dong; M. Xu; F.C. Lee

Reducing Common Mode Noise of Power Factor Correction Converters Using General Balance Concept

Authors: S. Wang; F.C. Lee; P. Kong

Coupled-Inductor Multi-Phase Buck Converters

Authors: M. Xu; F.C. Lee; Y. Ying

Asymmetrical Interleaving Strategy for Multi-Channel Power Converters

Authors: C. Wang; M Xu; F.C. Lee

Non-Isolated Bus Converters with Voltage Divider Topology

Authors: M. Xu; J. Sun; F.C. Lee

Multi-Element Resonant Converters

Authors: D. Fu; F.C. Lee; Y. Liu; M. Xu

Digital Power Supply Control

Authors: J. Li; Y. Qiu; M. Xu; F.C. Lee

Analog Fourier Transform Channelizer and OFDM receiver

Authors: M. Lehne; S. Raman

Method and Apparatus for Mobility Enhancement in a Semiconductor Device

Authors: M. Orlowski; S. Venkatesan

Wires on Demand: Run-Time Communication Synthesis for Reconfigurable Computing

Authors: C. Patterson; P. Athanas; J. Bowen; T. Dunham; J. Rice; M. Shelburne; J. Pletri; J. Graf

Laterally grown nanotubes and method of formation

Authors: Marius K. Orlowski; Shahid Rauf; Peter L. G. Ventzek

Method for forming an electronic device

Authors: Marius K. Orlowski; Brian J. Goolsby

Dual Surface SOI by Lateral Epitaxial Overgrowth

Authors: Brian A. Winstead; Omar Zia; Mariam G. Sadaka; Marius K. Orlowski

Method for forming a semiconductor device having a fin and structure thereof

Authors: Marius K. Orlowski

Semiconductor process for forming stress absorbent shallow trench isolation structures

Authors: Marius K. Orlowski; Mark C. Foisy; Olubmunmi O. Adetutu

Process for forming an electronic device including semiconductor fins

Authors: Marius K. Orlowski; Suresh Venkatesan

Location determination of power system disturbances based on frequency responses of the system

Authors: Robert Matthew Gardner; Zhian Zhong; Yilu Liu

Non-linear observers in electric power networks

Authors: Charles Wells

Smaller aperture antenna for multiple spot beam satellites

Authors: Amir I. Zaghloul; Ozlem Kilic; Albert E. Williams

Method and apparatus for packaging optical fiber sensors for harsh environments

Authors: G.R. Pickrell; Y. Duan; A. Wang

Symmetric sweep phase sweep transmit diversity

Authors: R.D. Benning; R.M. Buehrer; R.A. Soni

Fourpoint antenna

Authors: S-Y Suh; W.L Stutzman

Server-based network performance metrics generation system and method

Authors: Y. Thomas Hou; Y. Dong; T. Taniguchi

Multifunction hybrid intelligent universal transformer

Authors: Jason Lai

Event triangulation based on wide area measurements

Authors: Robert Gardner; Kevin Zhong; Yilu Liu

Trimmed Foursquare Antenna Radiating Element

Authors: J. Randall Nealy; M.J. Monkevich; W. L. Stutzman; W.A. Davis

Single-Stage Input Current Shaping Technique With Voltage-Doubler Rectifier Front-End

Authors: F.C. Lee; J. Zhang

Trench Contact Process

Authors: A.Q. Huang

Power Supply for Supplying AC Output Power

Authors: W. Chen; F.C. Lee; K. Nishiura; T. Yamauchi; Y. Murakami; M. Maehara

Automatic Color and Grain Sorting of Materials

Authors: R.W. Conners; Q. Lu

Twin-image Elimination Apparatus and Method

Authors: K. Shinoda; T.C. Poon; M. We; Y. Suzuki

Semiconductor Device

Authors: A.Q. Huang

Conductivity Modulation Semiconductor

Authors: A.Q. Huang

Wide Scanning Spherical Antenna

Authors: B. Shen; W.L. Stutzman

Portable Real Time Cellular Telephone and Pager Network System Monitor

Authors: T.S. Rappaport; J.C. Liberti; S.L. McCulley; M.D. Keitz

Soft Switching PWM Converters

Authors: G. Hua; F.C. Lee

Zero-Voltage-Transition Pulse-Width-Modulated Converters

Authors: G. Hua; F.C. Lee

Compensation Method for Fiber Sensors Based on Non-Exchangeable Effect

Authors: X. Fang; A. Wang; S. He; J. Lin

Sapphire Optical Fiber Interferometer

Authors: K.A. Murphy; A. Wang; R.O. Claus

Fused biconical taper fiber optic coupler station and fabrication techniques

Authors: K.A. Murphy; A.M. Vengsarkar; R.O. Claus

Extrinsic Fiber Optic Displacement Sensing System

Authors: K.A. Murphy; A.M. Vengsarkar; R.O. Claus

A Zero-Voltage-Switched, Three-Phase PWM Switching Rectifier with Power Factor Correction

Authors: D. Borojevic; V. Vlatkovic; F.C. Lee

Method and Apparatus for Sensing Strain in a Waveguide

Authors: B.D. Zimmermann; R.O. Claus; K.A. Murphy

Computer-Based Bit Error Simulation for Digital Wireless Communications

Authors: T.S. Rappaport; V. Fung; M.D. Keitz

Spacially-Weighted Two Mode Optical Fiber Sensors

Authors: K. Murphy; A. Vengsarkar; M. Gunther; B. Fogg; R. Claus

Fiber Optic Grating-Based, Weighted Two Mode Fiber Sensors

Authors: A. Vengsarkar; K. Murphy; B. Fogg; J. Greene; R. Claus