skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Efficient near-field wireless energy transfer using adiabatic system variations

Patent ·
OSTI ID:1410513

Disclosed is a method for transferring energy wirelessly including transferring energy wirelessly from a first resonator structure to an intermediate resonator structure, wherein the coupling rate between the first resonator structure and the intermediate resonator structure is .kappa..sub.1B, transferring energy wirelessly from the intermediate resonator structure to a second resonator structure, wherein the coupling rate between the intermediate resonator structure and the second resonator structure is .kappa..sub.B2, and during the wireless energy transfers, adjusting at least one of the coupling rates .kappa..sub.1B and .kappa..sub.B2 to reduce energy accumulation in the intermediate resonator structure and improve wireless energy transfer from the first resonator structure to the second resonator structure through the intermediate resonator structure.

Research Organization:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FG02-99ER45778
Assignee:
Massachusetts Institute of Technology (Cambridge, MA)
Patent Number(s):
9,831,682
Application Number:
14/458,563
OSTI ID:
1410513
Resource Relation:
Patent File Date: 2014 Aug 13
Country of Publication:
United States
Language:
English

References (523)

System of Transmission of Electrical Energy patent March 1900
Apparatus for Transmission of Electrical Energy patent May 1900
Art of Transmitting Electrical Energy through the Natural Mediums patent April 1905
Apparatus for Transmitting Electrical Energy patent December 1914
Wirelessly Energized Electrical Appliance patent October 1938
Antenna System for Wireless Communication patent December 1941
Energy Translating Device patent June 1970
Microwave Power Receiving Antenna patent October 1970
Thermoelectric Units patent December 1973
Large Sodium Valve Actuator patent March 1975
RF beam center location method and apparatus for power transmission system patent May 1978
Thermoelectric voltage generator patent June 1978
Alarm device for informing reduction of pneumatic pressure of tire patent December 1979
Variable mutual transductance tuned antenna patent July 1981
Condition monitoring system (tire pressure) patent May 1984
Remote switch-sensing system patent May 1986
Transmission channel coupler for antenna patent November 1986
Magnetic induction mine arming, disarming and simulation system patent July 1991
Device for transmission and evaluation of measurement signals for the tire pressure of motor vehicles patent July 1991
Christmas-tree, decorative, artistic and ornamental object illumination apparatus patent July 1991
Transponder arrangement patent October 1991
Electric power transmitting device with inductive coupling patent December 1991
Dual feedback control for a high-efficiency class-d power amplifier circuit patent June 1992
Separable inductive coupler patent June 1993
Non-contact data and power connector for computer based modules patent July 1993
High speed read/write AVI system patent February 1994
Inductive power distribution system patent March 1994
Contactless battery charging system patent August 1994
System for charging a rechargeable battery of a portable unit in a rack patent November 1994
High speed read/write AVI system patent December 1994
Cooled secondary coils of electric automobile charging transformer patent April 1995
Wireless communications using near field coupling patent July 1995
Power connection scheme patent October 1995
Oscillator-shuttle-circuit (OSC) networks for conditioning energy in higher-order symmetry algebraic topological forms and RF phase conjugation patent February 1996
Pacemaker with improved shelf storage capacity patent June 1996
Inductive power pick-up coils patent June 1996
Transponders, Interrogators, systems and methods for elimination of interrogator synchronization requirement patent July 1996
Induction charging apparatus patent August 1996
Thermoelectric method and apparatus for charging superconducting magnets patent October 1996
Method and apparatus for the suppression of far-field interference signals for implantable device data transmission systems patent May 1997
Antenna module for a portable radio equipment with a grounding conductor patent May 1997
Implantable stimulation device having means for optimizing current drain patent December 1997
Inductive coupler for electric vehicle charger patent December 1997
Transmitter-receiver for non-contact IC card system patent December 1997
H-field electromagnetic heating system for fusion bonding patent January 1998
Nanostructure multilayer dielectric materials for capacitors and insulators patent April 1998
Armature induction charging of moving electric vehicle batteries patent October 1998
Connection system and connection method for an electric automotive vehicle patent October 1998
Ring antennas for resonant circuits patent January 1999
Non-contact power distribution system patent April 1999
Inductive battery charger patent May 1999
Noncontact power transmitting apparatus patent July 1999
Method and apparatus for controlling country specific frequency allocation patent August 1999
Implantable cardioverter defibrillator having a smaller mass patent September 1999
Coaxial cable patent September 1999
Adaptive pulse width modulated resonant Class-D converter patent November 1999
Carbon supercapacitor electrode materials patent November 1999
Methods and systems for introducing electromagnetic radiation into photonic crystals patent December 1999
Method for discriminating between used and unused gas generators for air bags during car scrapping process patent January 2000
System and method for powering, controlling, and communicating with multiple inductively-powered devices patent April 2000
Adaptive brain stimulation method and system patent May 2000
Implantable medical device using audible sound communication to provide warnings patent May 2000
Battery monitoring apparatus and method for programmers of cardiac stimulating devices patent August 2000
Method and apparatus for wireless powering and recharging patent October 2000
Band-pass filter comprising series coupled split gap resonators arranged along a circular position line patent October 2000
Reader/writer having coil arrangements to restrain electromagnetic field intensity at a distance patent January 2001
Contactless battery charger with wireless control link patent February 2001
Miniature milliwatt electric power generator patent March 2001
Arrangement for coupling an RF-squid magnetometer to a superconductive tank circuit patent May 2001
Integrated tunable high efficiency power amplifier patent May 2001
Electrosurgical generator patent May 2001
Rechargeable hybrid battery/supercapacitor system patent June 2001
Bandpass filter with dielectric resonators patent July 2001
Arrangement for coupling an rf-SQUID circuit to a super conducting tank circuit patent October 2001
Electric power transmission device patent June 2002
Water treatment system with an inductively coupled ballast patent August 2002
Food intake restriction with wireless energy transfer patent September 2002
High quality-factor tunable resonator patent September 2002
Inductively powered lamp unit patent October 2002
Detection of the distance between an electromagnetic transponder and a terminal patent October 2002
Control of inductive power transfer pickups patent November 2002
Method and apparatus for supplying contactless power patent February 2003
Device for contactless transmission of data patent March 2003
Vehicle slide door power supply apparatus and method of supplying power to vehicle slide door patent March 2003
Method and apparatus for communicating with medical device systems patent May 2003
RFID passive repeater system and apparatus patent May 2003
System for wirelessly supplying a large number of actuators of a machine with electrical power patent July 2003
System for the detection of cardiac events patent August 2003
Charge storage device patent October 2003
Reader for a radio frequency identification system having automatic tuning capability patent November 2003
Wireless power transmission system with increased output voltage patent December 2003
Radio frequency identification system for a fluid treatment system patent January 2004
Structure of signal transmission line patent January 2004
Coaxial cable and coaxial multicore cable patent February 2004
Operation in very close coupling of an electromagnetic transponder system patent March 2004
Inductively powered lamp assembly patent May 2004
System for a machine having a large number of proximity sensors, as well as a proximity sensor, and a primary winding for this purpose patent June 2004
Transmission of information from an implanted medical device patent August 2004
System and method for wireless electrical power transmission patent September 2004
Alignment independent and self aligning inductive power transfer system patent October 2004
Starter assembly for a gas discharge lamp patent October 2004
Inductively powered lamp assembly patent November 2004
Inductively coupled ballast circuit patent November 2004
Method of manufacturing a lamp assembly patent December 2004
Magnetically coupled antenna range extender patent January 2005
System, method and apparatus for contact-less battery charging with dynamic control patent January 2005
Energy harvesting circuits and associated methods patent February 2005
Multi-frequency piezoelectric energy harvester patent February 2005
Contact-less power transfer patent June 2005
Inductively powered lamp assembly patent July 2005
Mach-Zehnder interferometer using photonic band gap crystals patent July 2005
Magnetic field production system, and configuration for wire-free supply of a large number of sensors and/or actuators using a magnetic field production system patent August 2005
Planar resonator for wireless power transfer patent November 2005
Subcutaneously implantable power supply patent November 2005
Charging of devices by microwave power beaming patent November 2005
Inductive coil assembly patent December 2005
Wireless and powerless sensor and interrogator patent January 2006
Method and apparatus for a wireless power supply patent April 2006
Feedthrough filter capacitor assembly with internally grounded hermetic insulator patent April 2006
Contact-less power transfer patent May 2006
Tunable ferroelectric resonator arrangement patent June 2006
Energy harvesting circuit patent August 2006
Inductive coil assembly patent October 2006
Inductively powered apparatus patent October 2006
Inductively powered apparatus patent October 2006
Biothermal power source for implantable devices patent October 2006
Inductive coil assembly patent November 2006
High Q factor sensor patent December 2006
Inductively coupled ballast circuit patent February 2007
Spatially decoupled twin secondary coils for optimizing transcutaneous energy transfer (TET) power transfer characteristics patent March 2007
Resonator system patent March 2007
Adaptive inductive power supply patent May 2007
Power supply system patent June 2007
Primary units, methods and systems for contact-less power transfer patent July 2007
Portable contact-less power transfer devices and rechargeable batteries patent July 2007
Method for monitoring end of life for battery patent July 2007
Wireless battery charger via carrier frequency signal patent October 2007
Inductively charged battery pack patent May 2008
Inductive battery charger patent May 2008
Inductive power adapter patent May 2008
System and method for powering a load patent June 2008
Inductively coupled ballast circuit patent June 2008
No point of contact charging system patent October 2008
Portable inductive power station patent December 2008
Resonator structure and method of producing it patent December 2008
Inductively powered secondary assembly patent January 2009
Transmitter head and system for contactless energy transmission patent February 2009
Power supply system patent April 2009
Power adapter for a remote device patent April 2009
Contact-less power transfer patent April 2009
Antenna arrangement for inductive power transmission and use of the antenna arrangement patent June 2009
Low frequency transcutaneous energy transfer to implanted medical device patent October 2009
Inductively powered apparatus patent November 2009
Adaptive inductive power supply patent December 2009
Wireless non-radiative energy transfer patent June 2010
Multilayer structures for magnetic shielding patent September 2010
Wireless energy transfer patent November 2010
Apparatus and system for transmitting power wirelessly patent November 2010
Contactless battery charging apparel patent January 2011
Wireless non-radiative energy transfer patent September 2011
Wireless non-radiative energy transfer patent December 2011
Wireless energy transfer, including interference enhancement patent December 2011
Wireless non-radiative energy transfer patent December 2011
Wireless energy transfer patent January 2012
Inductive repeater coil for an implantable device patent March 2012
Power supply system and method of controlling power supply system patent May 2012
Efficient near-field wireless energy transfer using adiabatic system variations patent January 2013
Wireless non-radiative energy transfer patent March 2013
Wireless energy transfer over a distance at high efficiency patent March 2013
Wireless energy transfer with high-Q at high efficiency patent March 2013
Wireless energy transfer with high-Q from more than one source patent March 2013
Wireless energy transfer with high-Q devices at variable distances patent March 2013
Wireless energy transfer with high-Q sub-wavelength resonators patent March 2013
Wireless energy transfer with high-Q similar resonant frequency resonators patent March 2013
Wireless energy transfer with high-Q capacitively loaded conducting loops patent March 2013
Wireless energy transfer across variable distances patent March 2013
Wireless energy transfer with high-Q to more than one device patent June 2014
Wireless energy transfer over variable distances between resonators of substantially similar resonant frequencies patent June 2014
Wireless energy transfer over distances to a moving device patent July 2014
Wireless energy transfer across variable distances with high-Q capacitively-loaded conducting-wire loops patent July 2014
Wireless energy transfer across a distance to a moving device patent July 2014
Wireless energy transfer to a moving device between high-Q resonators patent July 2014
Efficient near-field wireless energy transfer using adiabatic system variations patent September 2014
Wireless non-radiative energy transfer patent June 2015
Low-power, high-modulation-index amplifier for use in battery-powered device patent-application March 2002
System for a machine having a large number of proximity sensors, as well as a proximity sensor, and a primary winding for this purpose patent-application August 2002
System for wirelessly supplying a large number of actuators of a machine with electrical power patent-application August 2002
Rechargeable power supply system and method of protection against abnormal charging patent-application November 2002
Inductive coupling system with capacitive parallel compensation of the mutual self-inductance between the primary and the secondary windings patent-application September 2002
Proximity sensor patent-application February 2003
Magnetic field production system, and configuration for wire-free supply of a large number of sensors and/or actuators using a magnetic field production system patent-application April 2003
Configuration for producing electrical power from a magnetic field patent-application April 2003
Resonant frequency tracking system and method for use in a radio frequency (RF) power supply patent-application April 2003
Post-processed nanoscale powders and method for such post-processing patent-application July 2003
High purity fine metal powders and methods to produce such powders patent-application July 2003
Method and apparatus for charging sterilizable rechargeable batteries patent-application August 2003
Apparatus for energizing a remote station and related method patent-application October 2003
Inductively powered apparatus patent-application November 2003
Planar resonator for wireless power transfer patent-application January 2004
Low voltage electrified furniture unit patent-application February 2004
Oscillator module incorporating looped-stub resonator patent-application May 2004
Antenna with near-field radiation control patent-application June 2004
Enhanced RF wireless adaptive power provisioning system for small devices patent-application July 2004
Adaptive inductive power supply with communication patent-application July 2004
Adaptive inductive power supply patent-application July 2004
Remote power recharge for electronic equipment patent-application July 2004
Adapter patent-application August 2010
System and method for inductive charging a wireless mouse patent-application September 2004
Charging system for robot patent-application October 2004
Starter assembly for a gas discharge lamp patent-application November 2004
Wireless power transmission patent-application November 2004
Inductive coil assembly patent-application November 2004
Communication system patent-application November 2004
Sensor apparatus management methods and apparatus patent-application December 2004
Vehicle interface patent-application January 2005
Method of rendering a mechanical heart valve non-thrombogenic with an electrical device patent-application January 2005
Energy transfer amplification for intrabody devices patent-application February 2005
Antenna coil and transmission antenna patent-application February 2005
Temperature regulated implant patent-application February 2005
Method and apparatus for efficient power/data transmission patent-application April 2005
Inductively coupled ballast circuit patent-application May 2005
Semiconductor photodetector patent-application May 2005
Method and apparatus for a wireless power supply patent-application May 2005
Method of manufacturing a lamp assembly patent-application June 2005
Contact-less power transfer patent-application June 2005
Inductively powered apparatus patent-application June 2005
Inductively powered apparatus patent-application June 2005
Relaying apparatus and communication system patent-application June 2005
Inductively powered apparatus patent-application June 2005
Inductively powered apparatus patent-application June 2005
Opportunistic power supply charge system for portable unit patent-application June 2005
Contact-less power transfer patent-application June 2005
Contact-less power transfer patent-application June 2005
Transferring power between devices in a personal area network patent-application July 2005
Charging apparatus by non-contact dielectric feeding patent-application July 2005
Method and apparatus of using magnetic material with residual magnetization in transient electromagnetic measurement patent-application September 2005
Wireless battery charger via carrier frequency signal patent-application September 2005
Non-contact pumping of light emitters via non-radiative energy transfer patent-application November 2005
Medical implant having closed loop transcutaneous energy transfer (TET) power transfer regulation circuitry patent-application December 2005
Low frequency transcutaneous telemetry to implanted medical device patent-application December 2005
Low frequency transcutaneous energy transfer to implanted medical device patent-application December 2005
Transcutaneous energy transfer primary coil with a high aspect ferrite core patent-application December 2005
Systems and methods for automated resonant circuit tuning patent-application January 2006
Pulse frequency modulation for induction charge device patent-application February 2006
Multilayer cavity slot antenna patent-application March 2006
Method for authenticating a user to a service of a service provider patent-application March 2006
Contact-less power transfer patent-application March 2006
Self-adjusting RF assembly patent-application March 2006
Ultrasonic rod waveguide-radiator patent-application May 2006
Heating system and heater patent-application June 2006
Optical coupled-resonator filters with asymmetric coupling patent-application July 2006
Method and apparatus for a wireless power supply patent-application July 2006
Capacitively Coupled Power Supply patent-application July 2006
Sensor apparatus management methods and apparatus patent-application August 2006
Device for brain stimulation using RF energy harvesting patent-application August 2006
Explantation of implantable medical device patent-application August 2006
Actuator system for use in control of a sheet or web forming process patent-application August 2006
Method, apparatus and system for power transmission patent-application September 2006
Inductive powering surface for powering portable devices patent-application September 2006
Adapting portable electrical devices to receive power wirelessly patent-application September 2006
Battery charging assembly for use on a locomotive patent-application September 2006
Electric vehicle having multiple-use APU system patent-application October 2006
Short-range wireless power transmission and reception patent-application October 2006
Power transmission network patent-application November 2006
Powering devices using RF energy harvesting patent-application December 2006
Dielectrically loaded coaxial resonator patent-application December 2006
Power transmission system, apparatus and method with communication patent-application January 2007
Passive dynamic antenna tuning circuit for a radio frequency identification reader patent-application January 2007
Implantable device for vital signs monitoring patent-application January 2007
Wireless power transmission systems and methods patent-application January 2007
Battery Chargers and Methods for Extended Battery Life patent-application February 2007
Inductive power transfer units having flux shields patent-application March 2007
Charging Apparatus And Charging System patent-application March 2007
Radio Tag and System patent-application May 2007
High Performance Interconnect Devices & Structures patent-application May 2007
Radio-frequency (RF) power portal patent-application May 2007
Antenna Arrangement For Inductive Power Transmission And Use Of The Antenna Arrangement patent-application June 2007
System and method for contact free transfer of power patent-application June 2007
Adaptive Inductive Power Supply patent-application July 2007
Multi-receiver communication system with distributed aperture antenna patent-application August 2007
Method and system for powering an electronic device via a wireless link patent-application August 2007
Inductive Power Source And Charging System patent-application August 2007
Systems and methods of medical monitoring according to patient state patent-application September 2007
Wireless non-radiative energy transfer patent-application September 2007
Apparatus and Method for inductive Power Transfer patent-application October 2007
Device and Method of Non-Contact Energy Transmission patent-application November 2007
Tool for an Industrial Robot patent-application November 2007
Downhole Coils patent-application January 2008
Method and apparatus for delivering energy to an electrical or electronic device via a wireless link patent-application January 2008
Flexible Circuit for Downhole Antenna patent-application February 2008
Method and apparatus for wireless power transmission patent-application March 2008
Inductively Coupled Ballast Circuit patent-application August 2008
Transmission Of Power Supply For Robot Applications Between A First Member And A Second Member Arranged Rotatable Relative To One Another patent-application August 2008
Wireless Power Apparatus And Methods patent-application September 2008
High power wireless resonant energy transfer system patent-application October 2008
Amplification Relay Device of Electromagnetic Wave and a Radio Electric Power Conversion Apparatus Using the Above Device patent-application October 2008
Wireless Energy Transfer patent-application November 2008
Optimizing Energy Transmission In A Leadless Tissue Stimulation System patent-application November 2008
Inductive Power Supply, Remote Device Powered By Inductive Power Supply And Method For Operating Same patent-application January 2009
Wireless Energy Transfer Using Coupled Antennas patent-application January 2009
Deployable Antennas for Wireless Power patent-application February 2009
Wireless Power System and Proximity Effects patent-application February 2009
Increasing The Q Factor Of A Resonator patent-application February 2009
Long Range Low Frequency Resonator And Materials patent-application March 2009
Contactless power supply patent-application March 2009
Maximizing Power Yield from Wireless Power Magnetic Resonators patent-application March 2009
Antennas for Wireless Power applications patent-application March 2009
High Efficiency and Power Transfer in Wireless Power Magnetic Resonators patent-application March 2009
Transmitters and receivers for wireless energy transfer patent-application March 2009
Apparatus And Method For Wireless Energy And/Or Data Transmission Between A Source Device And At Least One Target Device patent-application April 2009
Printed Circuit Board Coil patent-application April 2009
System And Method For Inductive Charging Of Portable Devices patent-application April 2009
Biological Effects of Magnetic Power Transfer patent-application April 2009
Wireless Energy Transfer patent-application April 2009
System, Devices, And Method For Energizing Passive Wireless Data Communication Devices patent-application April 2009
Wireless Power Bridge patent-application May 2009
Wireless Power Range Increase Using Parasitic Antennas patent-application May 2009
Non-Contact Wireless Communication Apparatus, Method Of Adjusting Resonance Frequency Of Non-Contact Wireless Communication Antenna, And Mobile Terminal Apparatus patent-application June 2009
Energy Transferring System And Method Thereof patent-application June 2009
Wireless Energy Transfer patent-application June 2009
Wireless Power Transfer using Magneto Mechanical Systems patent-application July 2009
Inductive Power Supply With Duty Cycle Control patent-application July 2009
Wireless powering and charging station patent-application July 2009
Vehicle Power Supply Apparatus And Vehicle Window Member patent-application July 2009
Wireless Non-Radiative Energy Transfer patent-application August 2009
Wireless Non-Radiative Energy Transfer patent-application August 2009
Wireless desktop IT environment patent-application August 2009
Antennas and Their Coupling Characteristics for Wireless Power Transfer via Magnetic Coupling patent-application August 2009
Ferrite Antennas for Wireless Power Transfer patent-application September 2009
Packaging and Details of a Wireless Power device patent-application September 2009
Wireless Energy Transfer patent-application September 2009
Inductive Power Supply System With Multiple Coil Primary patent-application September 2009
Apparatus, A System And A Method For Enabling Electromagnetic Energy Transfer patent-application September 2009
Tuning and Gain Control in Electro-Magnetic power systems patent-application October 2009
Packaging and Details of a Wireless Power device patent-application October 2009
Power Exchange Device, Power Exchange Method, Program, and Power Exchange System patent-application October 2009
Wireless Power Charging System patent-application October 2009
Wireless Non-Radiative Energy Transfer patent-application October 2009
Wireless Non-Radiative Energy Transfer patent-application October 2009
Power Transmitting Apparatus, Power Receiving Apparatus, Power Transmission Method, Program, And Power Transmission System patent-application October 2009
Power Transmitting Apparatus, Power Transmission Method, Program, and Power Transmission System patent-application October 2009
Wireless Delivery of power to a Fixed-Geometry power part patent-application November 2009
Power Transmission Device, Power Transmission Method, Program, Power Receiving Device and Power Transfer System patent-application November 2009
Method And Apparatus With Negative Resistance In Wireless Power Transfers patent-application November 2009
Wireless Energy Transfer, Including Interference Enhancement patent-application November 2009
Method And Apparatus For An Enlarged Wireless Charging Area patent-application November 2009
Method And Apparatus For Adaptive Tuning Of Wireless Power Transfer patent-application November 2009
Receive Antenna For Wireless Power Transfer patent-application November 2009
Wireless Power Transfer For Appliances And Equipments patent-application November 2009
Transmit Power Control For A Wireless Charging System patent-application November 2009
Repeaters For Enhancement Of Wireless Power Transfer patent-application November 2009
Signaling Charging In Wireless Power Environment patent-application November 2009
Reverse Link Signaling Via Receive Antenna Impedance Modulation patent-application November 2009
Wireless Charging Module And Electronic Apparatus patent-application November 2009
Wireless delivery of power to a mobile powered device patent-application December 2009
Systems And Methods For Electric Vehicle Charging And Power Management patent-application January 2010
Phased Array Wireless Resonant Power Delivery System patent-application February 2010
Spread Spectrum Wireless Resonant Power Delivery patent-application February 2010
Integrated Wireless Resonant Power Charging And Communication Channel patent-application February 2010
Short Range Efficient Wireless Power Transfer patent-application February 2010
Adaptive Wireless Power Transfer Apparatus And Method Thereof patent-application February 2010
Non-Contact Power Transmission Device patent-application March 2010
Flat, Asymmetric, And E-Field Confined Wireless Power Transfer Apparatus And Method Thereof patent-application March 2010
Noncontact Electric Power Receiving Device, Noncontact Electric Power Transmitting Device, Noncontact Electric Power Feeding System, And Electrically Powered Vehicle patent-application March 2010
Method and Apparatus of Load Detection for a Planar Wireless Power System patent-application March 2010
Wirelessly Powered Speaker patent-application April 2010
Apparatus For Driving Artificial Retina Using Medium-Range Wireless Power Transmission Technique patent-application April 2010
Wireless Energy Transfer With High-Q Similar Resonant Frequency Resonators patent-application April 2010
Wireless Non-Radiative Energy Transfer patent-application April 2010
Wireless Energy Transfer To A Moving Device Between High-Q Resonators patent-application April 2010
Wireless Energy Transfer Across Variable Distances patent-application April 2010
Wireless Power Transmission For Electronic Devices patent-application May 2010
Multi Power Sourced Electric Vehicle patent-application May 2010
Non-Contact Power Transmission Apparatus And Method For Designing Non-Contact Power Transmission Apparatus patent-application May 2010
Adaptive Matching And Tuning Of Hf Wireless Power Transmit Antenna patent-application May 2010
Wireless Energy Transfer Using Coupled Resonators patent-application May 2010
Applications Of Wireless Energy Transfer Using Coupled Antennas patent-application May 2010
Wireless High Power Transfer Under Regulatory Constraints patent-application May 2010
Wireless Energy Transfer With High-Q From More Than One Source patent-application May 2010
Wireless Energy Transfer With High-Q Devices At Variable Distances patent-application May 2010
Wireless Energy Transfer With High-Q Sub-Wavelength Resonators patent-application May 2010
Power supply system and method of controlling power supply system patent-application May 2010
Apparatus for wireless power transmission using high Q low frequency near magnetic field resonator patent-application May 2010
Wireless Energy Transfer Over A Distance At High Efficiency patent-application May 2010
Wireless Energy Transfer With High-Q At High Efficiency patent-application May 2010
Wireless Energy Transfer With High-Q To More Than One Device patent-application May 2010
Wireless Power Transmission For Portable Wireless Power Charging patent-application May 2010
Wireless Energy Transfer Over Variable Distances Between Resonators Of Substantially Similar Resonant Frequencies patent-application June 2010
Wireless Energy Transfer Across Variable Distances With High-Q Capacitively-Loaded Conducting-Wire Loops patent-application June 2010
Wireless Energy Transfer Across A Distance To A Moving Device patent-application June 2010
Efficient Near-Field Wireless Energy Transfer Using Adiabatic System Variations patent-application June 2010
Bidirectional Wireless Power Transmission patent-application June 2010
Reduced Jamming Between Receivers And Wireless Power Transmitters patent-application November 2009
Resonance-Type Non-Contact Charging Apparatus patent-application June 2010
Resonator for wireless power transmission patent-application June 2010
Wireless Power Transfer System And A Load Apparatus In The Same Wireless Power Transfer System patent-application July 2010
Maximizing Power Yield From Wireless Power Magnetic Resonators patent-application July 2010
High Efficiency And Power Transfer In Wireless Power Magnetic Resonators patent-application July 2010
Adaptive Power Control For Wireless Charging patent-application July 2010
Transmitters For Wireless Power Transmission patent-application July 2010
Wireless Energy Transfer Over Distances To A Moving Device patent-application July 2010
Wireless Power Transfer Apparatus And Method Thereof patent-application July 2010
Passive Receivers For Wireless Power Transmission patent-application July 2010
Concurrent Wireless Power Transmission And Near-Field Communication patent-application July 2010
Wireless Power For Charging Devices patent-application August 2010
Wireless Power Transfer With Lighting patent-application August 2010
Retrofitting Wireless Power And Near-Field Communication In Electronic Devices patent-application August 2010
Wireless Power And Data Transfer For Electronic Devices patent-application August 2010
Wireless Power Transfer For Vehicles patent-application August 2010
Wireless Power Transfer In Public Places patent-application August 2010
Wireless Power Transfer For Furnishings And Building Elements patent-application August 2010
Non-Contact Power Transmission Apparatus patent-application August 2010
Biological Effects Of Magnetic Power Transfer patent-application August 2010
Wireless Power Transfer System patent-application August 2010
Increasing Efficiency Of Wireless Power Transfer patent-application August 2010
Non-Contact Power Transmission Apparatus patent-application August 2010
Efficiency Indicator For Increasing Efficiency Of Wireless Power Transfer patent-application August 2010
Wireless Energy Transfer Over A Distance With Devices At Variable Distances patent-application August 2010
Receive Antenna Arrangement For Wireless Power patent-application August 2010
Induced Power Transmission Circuit patent-application August 2010
Wireless Power Charging Timing And Charging Control patent-application August 2010
Impedance Change Detection In Wireless Power Transmission patent-application August 2010
Electric Power Supplying Apparatus And Electric Power Transmitting System Using The Same patent-application September 2010
Noncontact Electric Power Transmission System patent-application September 2010
Antenna Sharing For Wirelessly Powered Devices patent-application September 2010
Wireless Power Bridge patent-application September 2010
Wireless Power Transfer For Chargeable Devices patent-application September 2010
Electrical Powered Vehicle And Power Feeding Device For Vehicle patent-application September 2010
Wireless Power For Chargeable And Charging Devices patent-application September 2010
Wireless Power Range Increase Using Parasitic Resonators patent-application September 2010
Self-Charging Electric Vehicles and Aircraft, and Wireless Energy Distribution System patent-application September 2010
Wireless Power System And Proximity Effects patent-application September 2010
Increasing The Q Factor Of A Resonator patent-application September 2010
Transmitters And Receivers For Wireless Energy Transfer patent-application September 2010
Optimization Of Wireless Power Devices patent-application September 2010
Wireless Power Supply System And Wireless Power Supply Method patent-application September 2010
Power Transmmission Apparatus, Power Transmission/Reception Apparatus, And Method Of Transmitting Power patent-application September 2010
Coil Unit, And Power Transmission Device And Power Reception Device Using The Coil Unit patent-application September 2010
Wireless Power Supply Apparatus patent-application September 2010
Wireless Electric Power Supply Method And Wireless Electric Power Supply Apparatus patent-application September 2010
Power Transfer Apparatus patent-application September 2010
Wireless Power Apparatus And Wireless Power-Receiving Method patent-application September 2010
Power Transmitting Apparatus patent-application September 2010
Tracking Receiver Devices With Wireless Power Systems, Apparatuses, And Methods patent-application September 2010
Long Range Low Frequency Resonator patent-application October 2010
Wireless Power Transmission Scheduling patent-application October 2010
Wireless Power Infrastructure patent-application October 2010
Power Transmission Device, Power Transmission Method, Power Reception Device, Power Reception Method, And Power Transmission System patent-application October 2010
Resonators For Wireless Power Applications patent-application October 2010
Wireless Power Transmitting System, Power Receiving Station, Power Transmitting Station, And Recording Medium patent-application October 2010
Security for wireless transfer of electrical power patent-application November 2010
Adaptive Impedance Tuning In Wireless Power Transmission patent-application November 2010
Planar Coil And Contactless Electric Power Transmission Device Using The Same patent-application November 2010
Wireless Powering And Charging Station patent-application November 2010
Parasitic Devices For Wireless Power Transfer patent-application November 2010
Systems And Methods Relating To Multi-Dimensional Wireless Charging patent-application November 2010
Wireless Energy Transfer patent-application November 2010
Mobile Terminals And Battery Packs For Mobile Terminals patent-application November 2010
Noncontact Power Receiving Apparatus And Vehicle Including The Same patent-application November 2010
Resonators And Their Coupling Characteristics For Wireless Power Transfer Via Magnetic Coupling patent-application December 2010
Packaging And Details Of A Wireless Power Device patent-application December 2010
Resonators For Wireless Power Transfer patent-application January 2011
Tuning And Gain Control In Electro-Magnetic Power Systems patent-application January 2011
Packaging And Details Of A Wireless Power Device patent-application February 2011
Wireless Energy Transfer With High-Q Capacitively Loaded Conducting Loops patent-application February 2011
Wireless Desktop It Environment patent-application March 2011
Wireless Delivery Of Power To A Fixed-Geometry Power Part patent-application March 2011
Wireless Energy Transfer patent-application March 2011
Wireless Energy Transfer patent-application March 2011
Wireless Energy Transfer patent-application April 2011
Adaptive Wireless Power Transfer Apparatus And Method Thereof patent-application June 2011
Short Range Efficient Wireless Power Transfer patent-application June 2011
Noncontact Electric Power Receiving Device, Noncontact Electric Power Transmitting Device, Noncontact Electric Power Feeding System, And Electrically Powered Vehicle patent-application July 2011
Method And Apparatus Of Load Detection For A Planar Wireless Power System patent-application July 2011
Wirelessly Powered Speaker patent-application July 2011
Wireless Energy Transfer patent-application August 2011
Flat, Asymmetric, And E-Field Confined Wireless Power Transfer Apparatus And Method Thereof patent-application August 2011
Power Supply System And Method Of Controlling Power Supply System patent-application September 2011
Adaptive Matching, Tuning, And Power Transfer Of Wireless Power patent-application September 2011
Wireless Power Transmission For Portable Wireless Power Charging patent-application September 2011
Methods And Systems For Wireless Power Transmission patent-application October 2011
Wireless Energy Transfer, Including Interference Enhancement patent-application March 2012
Wireless Energy Transfer patent-application September 2012
Wireless Energy Transfer patent-application July 2013
Wireless Non-Radiative Energy Transfer patent-application July 2015
Design of Class E Amplifier With Nonlinear and Linear Shunt Capacitances for Any Duty Cycle journal March 2007
A noncontact charger using a resonant converter with parallel capacitor of the secondary coil journal January 2000
Miniature transmitter for implantable micro systems conference January 2003
Coupled-resonator optical waveguide: a proposal and analysis journal January 1999
Simultaneous mid-range power transfer to multiple devices journal January 2010
Wireless Power Transfer via Strongly Coupled Magnetic Resonances journal July 2007
Efficient wireless non-radiative mid-range energy transfer journal January 2008
Feedback Analysis and Design of RF Power Links for Low-Power Bionic Systems journal March 2007
High-efficiency coupling-insensitive transcutaneous power and data transmission via an inductive link journal July 1990
Inductive Power Transfer journal June 2013
Modern Trends in Inductive Power Transfer for Transportation Applications journal March 2013
A method for the evaluation of small antenna Q journal August 2003
An efficient inductive power link design for retinal prosthesis conference January 2004
Performance and efficiency of planar rectennas for short-range wireless power transfer at 2.45 GHz journal January 2001
Integral motor with driver and wireless transmission of power and information for autonomous subspindle drive journal January 2000
Practical study on wireless transmission of power and information for autonomous decentralized manufacturing system journal April 1999
Study on intelligent battery charging using inductive transmission of power and information journal March 2000
A Comparative Study Between Novel Witricity and Traditional Inductive Magnetic Coupling in Wireless Charging journal May 2011
A Critical Review of Recent Progress in Mid-Range Wireless Power Transfer journal September 2014
A Chiral Route to Negative Refraction journal November 2004
Energy transport into the closed chest from a set of very-large mutually orthogonal coils
  • Schuder, J. C.; Stephenson, H. E.
  • Transactions of the American Institute of Electrical Engineers, Part I: Communication and Electronics, Vol. 81, Issue 6, p. 527-534 https://doi.org/10.1109/TCE.1963.6591388
journal January 1963
Powering an Artificial Heart: Birth of the Inductively Coupled-Radio Frequency System in 1960 journal November 2002
An Inductively Coupled RF System for the Transmission of 1 kW of Power Through the Skin journal July 1971
Wireless transmission of power and information through one high-frequency resonant AC link inverter for robot manipulator applications journal January 1996
Silicon waveguide two-photon absorption detector at 1.5 μm wavelength for autocorrelation measurements journal August 2002
Lithium tantalate - a high permittivity dielectric material for microwave communication systems conference January 2003
Photonic-crystal slow-light enhancement of nonlinear phase sensitivity journal January 2002
High frequency oscillators for electro-therapeutic and other purposes journal July 1999
A novel circuit for non-contact charging through electro-magnetic coupling conference January 1992
Rate-equation analysis of output efficiency and modulation rate of photonic-crystal light-emitting diodes journal October 2000
The Power to Set You Free journal July 2007
Observation of strong coupling between one atom and a monolithic microresonator journal October 2006
Evaluation of the shielding effects on printed-circuit-board transformers using ferrite plates and copper sheets journal November 2002
Ultrahigh speed all-optical demultiplexing based on two-photon absorption in a laser diode journal January 1998
Wireless energy transfer for stand-alone systems: a comparison between low and high power applicability journal August 2001
Microcavities in photonic crystals: Mode symmetry, tunability, and coupling efficiency journal September 1996
Optimal Transmission Frequency for Ultralow-Power Short-Range Radio Links journal July 2004
A low-power miniature transmitter using a low-loss silicon platform for biotelemetry
  • Ziaie, B.; Najafi, K.; Anderson, D.J.
  • 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' https://doi.org/10.1109/IEMBS.1997.758800
conference January 1997