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Nigel P Cook, Lukas Sieber, Hanspeter Widmer: Wireless power transmission for electronic devices. Qualcomm Incorporated, Knobbe Martens Olson & Bear, October 2, 2012: US08278784 (175 worldwide citation)

Exemplary embodiments are directed to wireless power transfer. A wireless power receiver includes a receive antenna for coupling with a transmit antenna of transmitter generating a magnetic near field. The receive antenna receives wireless power from the magnetic near field and includes a resonant t ...


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Nigel Cook, Lukas Sieber, Hanspeter Widmer: Increasing the Q factor of a resonator. QUALCOMM Incorporated, Knobbe Martens Olson & Bear, July 9, 2013: US08482157 (94 worldwide citation)

A wireless powering and charging system is described. The antennas can be high q loop antennas. The antennas can use coupling between a first part and a second part.


3
Roland Kueng, Hanspeter Widmer: Method and apparatus for establishing a connection in shortwave radio networks. Zellweger Tellecommunications, Burns Doane Swecker & Mathis, August 1, 1989: US04853686 (64 worldwide citation)

A connection (link setup) between individual stations of a radio network may be carried out fully automatically, and even with poor transmission quality, only the wanted stations are activated. A call signal includes a synchronization signal having narrow band, mark and space signals which form the ...


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Nigel Cook, Hanspeter Widmer, Lukas Sieber, Stephen Dominiak: Transmitters and receivers for wireless energy transfer. Qualcomm Incorporated, Knobbe Martens Olson & Bear, February 19, 2013: US08378523 (18 worldwide citation)

Techniques for wireless power transmission. An antenna has a part that amplifies a flux to make the antenna have a larger effective size than its actual size.


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Nigel P Cook, Lukas Sieber, Hanspeter Widmer: Packaging and details of a wireless power device. QUALCOMM Incorporated, Knobbe Martens Olson & Bear, October 7, 2014: US08855554 (18 worldwide citation)

A wireless power system includes a power source, power receiver, and components thereof. The system can also include a parasitic antenna that can improve the coupling to the power source in various modes. The antenna can have both a variable capacitor and a variable inductor, and both of those can b ...


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Nigel Cook, Hanspeter Widmer, Lukas Sieber, David Allred: Wireless high power transfer under regulatory constraints. QUALCOMM Incorporated, Knobbe Martens Olson & Bear, June 18, 2013: US08466654 (18 worldwide citation)

Improved battery-charging system for a vehicle. Primary and secondary coils are located in places where the vehicle can receive power from the primary coil by pulling into a parking space, for example. The parking space may have a coil embedded in the ground, or may have an array of coils embedded i ...


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Nigel Cook, Stephen Dominiak, Lukas Sieber, Hanspeter Widmer: Maximizing power yield from wireless power magnetic resonators. Qualcomm Incorporated, Knobbe Martens Olson & Bear, February 19, 2013: US08378522 (14 worldwide citation)

Magneto mechanical systems used for wireless power reception. A miniature moving magnet is placed in an oscillating magnetic field. Movement of the magnet causes power to be generated.


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Nigel P Cook, Hanspeter Widmer, Lukas Sieber: Wireless energy transfer via coupled parasitic resonators. QUALCOMM Incorporated, Knobbe Martens Olson & Bear, September 8, 2015: US09126490 (14 worldwide citation)

This disclosure provides systems, methods and apparatus for wirelessly transferring power using parasitic resonators. In one aspect a wireless power receiver apparatus for powering or charging an electric vehicle is provided. The wireless power receiver apparatus includes a receive circuit including ...


10
Hanspeter Widmer, Roland Kung: Method and device for the digital transmission of information in short-wave radio networks. Ascom Zelcom, Burns Doane Swecker & Mathis, November 23, 1993: US05265128 (10 worldwide citation)

For the purpose of channel state estimation at the receiver end, a reference signal (f.sub.q (t)) is added to and is transmitted with the data signal (f.sub.i (t)) containing the actual information. The addition of the reference signal (f.sub.q (t)) to the data signal (f.sub.i (t)) is effected by me ...