Contactless energy transmission converter
First Claim
1. A wireless energy transmission system comprising:
- a signal generator for generating a signal at a first frequency;
at least one controllable field-effect transistor receiving the signal at a first frequency, wherein the at least one controllable field-effect transistor is alternatively turned on and off, forming a carrier frequency, wherein the first frequency is modulated by the carrier frequency, forming a modulated signal;
at least one inductive coil antenna for receiving the modulated signal, forming a transmission signal; and
a receiver antenna for receiving the transmission signal, forming a received signal; and
a receiver circuit for converting the received signal into a current.
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Accused Products
Abstract
The present invention is an efficient method of transferring energy wirelessly and an apparatus which efficiently transfers energy wirelessly. A high transmission frequency is modulated by a lower frequency in order to reduce the intensity of the resulting electromagnetic interference. The present invention creates a high magnetic flux density by employing a large number of small induction coils which generates a strong electromagnetic field in a wide range of directions. The present invention is a “true wireless system” in that it overcomes the range limitations and requirement for precise alignment present in the field of art. A number of apparatuses and practical implementations for contactless energy transfer exist.
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Citations
20 Claims
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1. A wireless energy transmission system comprising:
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a signal generator for generating a signal at a first frequency; at least one controllable field-effect transistor receiving the signal at a first frequency, wherein the at least one controllable field-effect transistor is alternatively turned on and off, forming a carrier frequency, wherein the first frequency is modulated by the carrier frequency, forming a modulated signal; at least one inductive coil antenna for receiving the modulated signal, forming a transmission signal; and a receiver antenna for receiving the transmission signal, forming a received signal; and a receiver circuit for converting the received signal into a current. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. An apparatus for wireless charging of a battery cell comprising:
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a transmitter housing containing; a signal generator for generating a signal at a first frequency; at least one controllable field-effect transistor receiving the signal at a first frequency, wherein the at least one controllable field-effect transistor is alternatively turned on and off, forming a carrier frequency, wherein the first frequency is modulated by the carrier frequency, forming a modulated signal; and at least one inductive coil antenna for receiving the modulated signal, forming a transmission signal; a power source for delivering current to the signal generator; and at least one electronic device comprising; rechargeable battery cells; a receiver antenna for receiving the transmission signal, forming a received signal; and a receiver circuit for converting the received signal into a current, wherein the current recharges the rechargeable battery cells. - View Dependent Claims (16, 17, 18)
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19. A method of wireless power transfer comprising:
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producing a first current in a frequency generator, forming a first frequency; directing the first frequency to at least one controllable field-effect transistor; alternatively turning the at least one controllable field-effect transistor on and off, forming at least one modulated signal; directing the at least one modulated signal to at least one transmitter antenna, wherein the at least one transmitter antenna produces a transmission signal; positioning a receiver antenna in proximity to the transmitter antenna, wherein the receiver antenna picks up the transmission signal, forming a received transmission; converting the received transmission into a second current.
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20. A method of transmitting electrical energy inductively from a first device to a second device comprising:
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positioning a first device having a transmitter, wherein the transmitter transmits a signal by; producing a first current in a frequency generator, forming a first frequency; directing the first frequency to at least one controllable field-effect transistor; alternatively turning the at least one controllable field-effect transistor on and off, forming at least one modulated signal; and directing the at least one modulated signal to at least one transmitter antenna, wherein the at least one transmitter antenna produces the transmission signal; and positioning the second device in proximity to the first device wherein a receiver antenna receiver antenna picks up the transmission signal from the transmitter antenna, forming a received transmission; converting the received transmission into a second current; and using the second current to charge a battery cell in the second device.
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Specification