Transmitters and receivers for wireless energy transfer
First Claim
Patent Images
1. An system for receiving magnetic transmission of power, comprising:
- a wire loop antenna, having a wire formed into at least one loop forming an inductance, and having a capacitance, said wire loop antenna having an LC value tuned for receiving a magnetic field of a first specified frequency, and producing an output based on receiving said magnetic field that includes electrical power; and
said antenna including a first electrical part associated with said wire loop antenna which increases an equivalent radius of the wire loop portion of said antenna without increasing an actual radius of a wire loop antenna.
2 Assignments
0 Petitions
Accused Products
Abstract
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.
-
Citations
58 Claims
-
1. An system for receiving magnetic transmission of power, comprising:
-
a wire loop antenna, having a wire formed into at least one loop forming an inductance, and having a capacitance, said wire loop antenna having an LC value tuned for receiving a magnetic field of a first specified frequency, and producing an output based on receiving said magnetic field that includes electrical power; and said antenna including a first electrical part associated with said wire loop antenna which increases an equivalent radius of the wire loop portion of said antenna without increasing an actual radius of a wire loop antenna. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
-
-
22. A method for receiving a magnetic transmission of power, comprising:
-
using a resonator with an LC ratio formed by a wire loop antenna tuned to a value that is resonant with a frequency of a magnetic field, said resonator having a wire loop forming an inductance, and having a capacitance; said using comprising increasing an equivalent radius of the wire loop portion of said antenna without increasing an actual radius of a wire loop antenna; receiving said magnetic field and producing usable power based thereon; applying said power to a load, to power said load based on receiving said magnetic field that includes electrical power. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31)
-
-
32. An antenna system for magnetic power transfer, comprising:
-
a resonator formed of an inductive loop and a capacitor element; and a first compensating structure, which compensates for effects of extraneous objects on the resonator. - View Dependent Claims (33, 34, 35, 36)
-
-
37. A method, comprising:
-
determining if an environment will have dielectric losses or Eddy current losses; selecting a resonator with high inductance to capacitance ratio resonator for an environment where eddy current losses are predominant, based on said determining; selecting a low inductance to capacitance ratio resonator for an environment where dielectric losses are predominant, based on said determining; and using said selected resonator as part of a system to retrieve electrical power from a magnetic power transmission. - View Dependent Claims (38, 39, 40)
-
-
41. A system for receiving wireless power, comprising:
-
a housing, adapted for housing mobile electronics; a loop antenna portion, oriented to surround at least one area of said housing; and a connection to a wireless power circuit. - View Dependent Claims (42, 43, 44, 45, 46, 47)
-
-
48. A system for receiving wireless power, comprising:
-
a housing, adapted for housing mobile electronics; a coil winding form, extending across said housing from at least a first side of said housing to a second side of said housing; a coil, wound around said form; and at least one opening and said housing, allowing magnetic fields to interact with said form. - View Dependent Claims (49, 50, 51, 52)
-
-
53. A system, comprising:
-
a first layer of a first material which converts mechanical strain to electrical energy; a second layer, in mechanical contact with said first layer, and formed of a second material which is sensitive to, and caused to change in position by, an applied magnetic field; an output terminal, connected to receive said electrical energy from said first layer. - View Dependent Claims (54, 55, 56, 57, 58)
-
Specification