WO2020168405A1 - Sistema gerador de ressonância e método para captar sinais oscilatórios - Google Patents
Sistema gerador de ressonância e método para captar sinais oscilatórios Download PDFInfo
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- WO2020168405A1 WO2020168405A1 PCT/BR2020/050047 BR2020050047W WO2020168405A1 WO 2020168405 A1 WO2020168405 A1 WO 2020168405A1 BR 2020050047 W BR2020050047 W BR 2020050047W WO 2020168405 A1 WO2020168405 A1 WO 2020168405A1
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- Prior art keywords
- module
- signal
- oscillation
- pickup
- fact
- Prior art date
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- 230000003534 oscillatory effect Effects 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000010355 oscillation Effects 0.000 claims abstract description 63
- 230000001939 inductive effect Effects 0.000 claims description 11
- 239000004065 semiconductor Substances 0.000 claims description 8
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
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- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
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- 239000003054 catalyst Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/001—Energy harvesting or scavenging
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/44—Transmit/receive switching
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/24—Inductive coupling
- H04B5/26—Inductive coupling using coils
Definitions
- the present invention relates to a resonance generating system suitable for use in signal capture systems.
- Such resonant circuits are composed of inductors and capacitors, configured in order to tune to a specific frequency.
- Such circuits are also known that use elements of variable value, for example, variable capacitors, used to tune in a “band” of frequencies, instead of a single frequency.
- circuits are usually used in order to transmit and capture information and data through the air.
- An example of this would be the transmission and reception of AM and / or FM radio.
- resonant circuits are configured to transmit / receive the signal with the best possible quality.
- the circuit responsible for capturing the signal is configured to provide the user with the best possible transmission quality, so that the user can hear the audio with the least amount of noise. possible.
- the resonant circuits already known in the state of the art are developed and configured with a focus on the quality of the transmitted signal, in which several optimization parameters are used, for example, a low signal-to-noise ratio, a high rate signal sampling, etc.
- the present invention solves such a problem in the state of the art through a resonance generating system and a method to capture oscillatory signals that allow the captured oscillatory signal, such as an electromagnetic wave transmitted in the air, to be converted into a rectified signal showing high performance.
- the present invention does not refer to a system and method with a focus on obtaining a resulting signal with high quality, being focused only on providing means of obtaining a rectified signal with high power gain.
- a first objective of the present invention lies in the provision of a resonance generating system.
- a second objective of the present invention resides in the provision of an oscillation capture module in conjunction with at least one capture antenna.
- a third objective of the present invention lies in the provision of a signal amplifier module.
- a fourth objective of the present invention lies in the provision of a phase alignment module.
- a fifth objective of the present invention lies in the provision of an oscillation emitting module.
- a resonance generator system comprising a signal input, a signal output, an oscillation pickup module, a signal amplifier module, a phase aligner module, an oscillation emitter module, at least one pickup antenna , a power source and at least one switching element, the system being configured to pick up oscillatory signals at the signal input of the system through at least one pickup antenna and the oscillation pickup module, the signal amplifier module comprising at least one between an amplifier system and an inductive transformer system, said signal amplifier module being configured to amplify the signal captured by the oscillation pickup module at least once, the phase aligner module comprising at least one arrangement of capacitive and / or inductive elements said phase aligner module being configured to align the phases of the amplified signal by the signal amplifier module to the phase of the signal present in the signal output of the resonance generator system, the oscillation emitting module comprising at least one semiconductor arrangement, configured to operate as switches, and the power source being configured to electrically feed the oscillation capturing module and the signal amplifier module
- the objectives of the invention are also achieved by means of a method to capture oscillatory signals through a resonance generating system, said resonance generating system comprising a signal input, a signal output, an oscillation capturing module, a signal amplifier module, a phase aligner module, an oscillation emitting module, at least one pickup antenna, a power source and at least one switching element, the method comprising the steps of
- step (c) send the at least one signal captured in step (b) to the signal amplifier module and amplify it at least once
- step (d) send the at least one amplified signal in step (c) to the phase aligner module and align the signal phase
- step (e) send the at least one signal aligned in phase in step (d) to the oscillation emitting module and transmit the signal in a pulsed form to the signal output of the resonance generator system
- Figure 1 - illustrates an example of carrying out the invention
- Figure 2 - illustrates an example of an embodiment of the invention applied to a rectification and load storage system.
- Figure 3 - illustrates an example of resonance between signals.
- Figure 4 - illustrates a preferred embodiment of the invention.
- the present invention relates to a resonance generator system 10 capable of being used in signal capture systems.
- the resonance generator system 10 comprises an oscillation pickup module 11, a signal amplifier module 12, a phase alignment module 13, an oscillation emitter module 14 and at least one pickup antenna 15.
- the the resonance generating system 10 further comprises a signal input from a signal output.
- the resonance generator system 10 comprises at least one switching element CH1, CH2, CH3 and a power source 16.
- power source 16 is electrically connected to the oscillation pickup module 1 1 and the signal amplifier module 12, supplying power to them.
- At least one pickup antenna 15 is a magnetic antenna configured to allow the capture of oscillatory signals of different frequencies.
- the frequency of the signal that will be captured is directly linked to the dimensions of the antenna and its material, as well as to other electrical properties, according to the topology of the antenna chosen.
- At least one pickup antenna 15 can be arranged in different topologies.
- the at least one pickup antenna 15 is a self-adjusting virtual flat antenna.
- at least one pickup antenna 15 can be a helical, telescopic antenna, among others, and may or may not be a self-adjusting virtual antenna.
- the at least one pickup antenna 15 can be a virtual self-adjusting antenna.
- At least one pickup antenna 15 can be manufactured with different materials, such as copper, brass, silver, oxide, among others.
- at least one pickup antenna 15 is made of copper.
- At least one pickup antenna 15 can be made in different ways.
- at least one pickup antenna 15 can be printed on conventional laminated fiberglass (FR4) plates copper, as well as other dielectrics.
- At least one pickup antenna 15 can also be made in a three-dimensional form, without the use of dielectrics such as, for example, 3D antennas printed on 3D metal printers.
- a self-adjusting virtual antenna comprises a physical portion of the antenna 15a, that is, an embodiment of the magnetic antenna as examples above and a load compensation portion 15b, as will be described below.
- the physical size of an antenna is given as a function of the wavelength or the frequency of the magnetic oscillation to be captured.
- a load compensation portion 15b is used as mentioned above, said portion 15b being responsible for "simulating" a physical size of an antenna in order to compensate for the size of the actual antenna.
- said load portion comprises an association of at least one inductive element and a capacitive element, which are associated with a control device 15c.
- the capacitive element is a variable capacitor and the control device 15c is a microcontroller.
- the control device 15c is configured to change the capacitance of the capacitive element by sending control signals.
- the capacitive element can be any element capable of having its capacitance modified in function of a control signal, for example, a d “varicap” iodine.
- control device 15c will analyze the frequency / period of the magnetic oscillation captured by the physical portion 15a of the capture antenna 15 and will send a command signal to the capacitive element in order to change its capacitance.
- the capacitance of the capacitive element of the load compensation portion 15b the impedance and total reactance ratio of the antenna will be changed, in order to enable the signal to be tuned by the capture antenna 15.
- the resonance generator system 10 also comprises an oscillation pickup module 11, which comprises at least one signal input, capable of receiving the signal picked up by at least one pickup antenna 15.
- the pickup module of oscillations 1 1 is configured in such a way that it directly influences the operation of at least one pickup antenna 15.
- the resonance generator system 10 when the resonance generator system 10 is energized, at least one pickup antenna 15 will intercept oscillatory signals of different frequencies. In order for the antenna to pick up signals at one or more specific frequencies, the oscillation pickup module 11 is used.
- tuner circuits also called LC or RLC circuits, oscillatory circuits, etc.
- Such resonant circuits comprise associations, in series and parallel, of capacitors, inductors and resistors.
- One of the simplest examples of a tuner circuit is the simple parallel association of a capacitor with an inductor.
- Resonant circuits have the so-called “resonant frequency”. Such frequency is the natural frequency of this circuit in which both electrical components have the same reactance. In other words, the resonant frequency is the frequency at which the circuit tends to oscillate exactly at the desired frequency.
- the resonant frequency of a tuner circuit can be calculated using the expression below:
- L represents the inductance value of the inductor and C represents the capacitance value of the capacitor.
- resonant circuits are configured to “select” a desired frequency, in order to allow only signals with that frequency to be processed.
- a tuner circuit when there is an association of a tuner circuit with an antenna, which may or may not be a resonant antenna, we basically have the operation as mentioned above. That is, the antenna will intercept signals of different frequencies, transmitting them to the resonance circuit. In turn, the resonance circuit will select (or tune) only signals with the same frequency as its resonance frequency.
- the oscillation pickup module 1 1 assumes the same function as a tuner circuit. That is, the oscillation pickup module 11 is configured to allow the selection of a specific desired frequency, which will be tuned and picked up by at least one pickup antenna 15.
- the oscillation pickup module 1 1 is configured in such a way as to allow the captured signal to be fully utilized.
- the impedance of the oscillations 1 1 is “matched” to the desired signal impedance. This allows the signal with the desired frequency to be captured with the least possible losses / reflections, thus increasing the performance of the resonance generator system 10.
- an impedance matching circuit is used.
- the impedance matching circuit is composed of a microcontroller module, which is configured to analyze the impedance (resistance and reactances) of the oscillatory signal captured by at least one pickup antenna 15 and a set of dimming diodes. capacitance or a bank of switched capacitors and an inductor set.
- the microcontroller module When the oscillatory signal enters the microcontroller module, its impedance is analyzed and, for each impedance value, the microcontroller sends a signal to the capacitance-changing diodes so that its capacitance is changed. In this way, the input impedance of the circuit is changed according to each signal received, ensuring maximum power transfer in the circuit.
- the components that make up the oscillation capture module 1 1 do not necessarily have to be components of fixed values.
- the electrical components that make up the oscillation pickup module 1 1 can be components with adjustable values such as, for example, variable capacitors, potentiometers, varying capacitance diodes, variable inductors, etc.
- Such components of variable values can be used, especially, when there is more than one frequency of the signals to be captured.
- the use of components with variable values it allows a greater flexibility of design and adjustment of the system, allowing the signal to be captured is transferred with maximum efficiency to the other modules.
- the resonance generating system 10 comprises at least one switching element CH1, CH2, CH3. Specifically, in a possible embodiment, which is illustrated by figure 1, the resonance generating system 10 comprises a first switching element CH1, which is disposed between the oscillation capturing module 11 and at least one pickup antenna 15. Said first switching element CH1 operates as a switch configured to change between an “open” position and a “closed” position. Such switching is done with a predetermined frequency, defined by a user.
- the at least one switching element CH1, CH2 and CH3 are transistors.
- the at least one switching element CH1, CH2 and CH3 can be any elements that operate as switches, for example, electromechanical switches, diodes, etc.
- the first switching element CH1 will now release, sometimes block the passage of the oscillatory signal captured by at least one pickup antenna 15 to the oscillation pickup module 1 1.
- the resonance generator system 10 comprises a signal amplifier module 12, which is configured to amplify the signal tuned / captured by the oscillation capturing module 1 1.
- the signal amplifier module 12 comprises an amplifier system and an inductive transformer system. Only preferably, the system amplifier is a PNP and / or NPN junction amplifier system.
- the PNP and / or NPN junction amplifier system can be, for example, a transistor, an operational amplifier, or any other known oscillatory signal amplification system.
- the system receives the oscillatory signal at its input and amplifies it at its output, this operation being possible because the power source 16 is electrically connected to this system.
- a fully valid embodiment of the inductive transformer system is that of a standard transformer, as already known from the state of the art.
- a standard transformer as already known from the state of the art.
- Such a system comprises a core and at least one winding, configured in such a way as to make it possible to modify the voltage and current levels of the input signal, amplifying them at their output.
- a signal amplifier module 12 allows the resonance between the oscillatory signals captured to happen more sharply, as will be described below. In this sense, such a signal amplifier module 12 operates as a “catalyst” in the system, ensuring that the signal obtained at the output of the resonance generator system 10 has the maximum useful power utilized, in relation to the signal initially captured.
- the signal amplifier module 12 amplifies the signal captured by the oscillation pickup module 1 1 and amplifies it at least once, subsequently transmitting it to the phase aligner module 13. It is up to note that the signal captured can be amplified more than once by the signal amplifier module 12, so that the number of times that the signal will be amplified is given according to several factors, such as predetermined values of the energy of the signals that if you want to capture, system design parameters, among others. Thus, the above description should not be understood as a limitation of the present invention, so that the signal can be amplified as many times as necessary.
- phase aligner module 13 is configured to align the phase of the signals that are transmitted by this module.
- the resonance generator system 10 further comprises a second switching element CH2, which is arranged between the signal amplifier module 12 and the signal output of the system.
- a second switching element CH2 which is arranged between the signal amplifier module 12 and the signal output of the system.
- Said second switching element CH2 operates as a switch configured to change between an “open” position and a “closed” position. Such switching is done with a predetermined frequency, defined by a user.
- the signal present at the output of the resonance generator system 10 will be added to other oscillatory signals that continue to be picked up by at least one pickup antenna 15 and by the oscillation pickup module 1 1, such signals added and then being added again amplified by the signal amplifier module and transmitted to the phase aligner module 13. This sum of signals occurs in the electrical conductor itself that connects the signal amplifier module 12 to the output of the resonance generator system 10.
- wave 03 is the wave resulting from the sum of wave 01 and wave 02.
- the amplitude of the resulting wave 03 is the sum of the amplitudes of waves 01 and 02. It should be noted that, for the resonance or overlapping signals occur, the frequencies and phases of the added signals must be the same.
- At least one arrangement of capacitive and / or inductive elements is used.
- a concept known from the state of the art refers to the fact that capacitive loads advance the current of a signal in relation to its voltage and inductive loads delay the current of a signal in relation to its voltage.
- the at least one arrangement of capacitive and / or inductive elements of the phase aligner module 13 is configured to align the phases of the current / voltage of the signals that are transmitted through such phase aligner module 13.
- the phase aligner module 13 comprises at least one arrangement of capacitive and / or inductive elements.
- this realization should not be understood as a limitation of the present invention, so that the phase alignment module 13 can be formed by any components capable of advancing and / or delaying the phases of the current / voltage of the signals.
- the phase aligner module 13 can be any active power factor correction circuit (Power Fator Correction - PFC).
- the resonance generator system 10 also comprises an oscillation emitting module 14, configured to generate a resonance between two oscillation systems originally equal in frequency and amplitude, but at this time with only equal frequencies and different amplitudes.
- said oscillation emitting module 14 comprises at least one semiconductor arrangement, configured in order to operate as “ON / OFF” switches, transmitting the signal, with the phase previously aligned by the phase 13 aligner module, pulsed / oscillated form for the system output.
- the at least one semiconductor array is PNP and / or NPN semiconductors such as, for example, transistors operating as “ON / OFF” switches.
- the resonance generator system 10 can further comprise a third switching element CH3, disposed between at least one pickup antenna 15 and the output of the resonance generator system 10.
- Said third switching element CH3 operates as a switch configured to change between an “open” position and a “closed” position. Such switching is done with a predetermined frequency, defined by a user.
- This third switching element CH3 is specially configured to prevent the return of energy to the input of the system.
- the third switching element CH3 is a diode.
- the integration of at least one pickup antenna 15 with an oscillation pickup module 11, a signal amplifier module 12, a phase aligner module 13 and an oscillation emitter module 14, such integration configuring the generator system resonance 10 of the present invention allows the capture of oscillatory signals of various desired frequencies, in order to obtain the maximum energy efficiency at the output of the system.
- the present invention provides a system configured to capture and convert oscillatory signals of different frequencies, for example, electromagnetic radiation, and convert them into switched (alternating) electrical signals at their output, such conversion being carried out in order to take full advantage of the signal received, thus obtaining an optimal operating performance.
- the resonating generator system 10 is associated with a rectifier element 17 and a charge element 18.
- the rectifier element 17 can be any signal rectifier device already known from the state of the art, which converts an alternating signal into a continuous signal.
- the charge element 18 can be, by way of example only, any energy storage element.
- the charge element 18 can be any charge capable of using the rectified signal, captured by the resonance generating system 10 now proposed.
- the present invention relates to a method for capturing oscillatory signals through a resonance generating system 10, said resonance generating system 10 comprising a signal input, a signal output, an oscillation capturing module 1 1 , a signal amplifier module 12, a phase aligner module 13, an oscillation emitting module 14, at least one pickup antenna 15, a power source 16 and at least one switching element CH1, CH2, CH3, the method understanding the steps of (a) energize the signal amplifier module 12 and the phase aligner module 13,
- step (c) send the at least one signal captured in step (b) to the signal amplifier module 12 and amplify it at least once
- step (d) sending the at least one amplified signal in step (c) to the phase aligner module 13 and aligning the signal phase
- step (e) sending the at least one signal aligned in phase in step (d) to the oscillation emitting module 14 and transmitting the signal in a pulsed form to the signal output of the resonance generator system 10, and
- the oscillation pickup block 11 and the pickup antenna 15 are realized through at least one physical antenna A1, A2, A3, at least one inductor L, a capacitor C and a resistor R associated to each of at least one antenna A1, A2, A3 and an inductor L1 associated in parallel to a variable capacitor C2.
- the signal amplifier module 12 is realized by means of a DCCURRENT power source, associated with a capacitor C3, a diode D5 and a transistor T1. Note that the transistor T1 also corresponds to the first switching element CH1.
- the phase aligner module 13 is realized by means of a DCCURRENT power source associated with a C4 capacitor, and a microcontroller associated with a C5 capacitor and an L2 inductor.
- the oscillation emitting module 14 is realized by means of a T3 transistor. Note that such transistor T3 also corresponds to the third switching element CH3.
- the circuit illustrated in figure 4 also reveals a transistor T2 associated with a rectifier bridge, composed of diodes D1, D2, D3 and D4 and capacitor C6. Additionally, the resistor R5 shown in the figure illustrates the system load to be supplied. Note that the transistor T2 corresponds to the second switching element CH2.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Transmitters (AREA)
- Dc-Dc Converters (AREA)
- Inverter Devices (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/428,264 US11990763B2 (en) | 2019-02-18 | 2020-02-18 | Resonance generator system and method for capturing oscillatory signals |
BR112021009347A BR112021009347A2 (pt) | 2019-02-18 | 2020-02-18 | Sistema gerador de ressonância e método para captar sinais oscilatórios |
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Application Number | Priority Date | Filing Date | Title |
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BRBR102019003283-9 | 2019-02-18 | ||
BR102019003283-9A BR102019003283B1 (pt) | 2019-02-18 | Sistema e método de captação e conversão de energia eletromagnética |
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WO2020168405A1 true WO2020168405A1 (pt) | 2020-08-27 |
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PCT/BR2020/050046 WO2020168404A1 (pt) | 2019-02-18 | 2020-02-18 | Sistema e método para otimização de captura de ondas eletromagnéticas |
PCT/BR2020/050047 WO2020168405A1 (pt) | 2019-02-18 | 2020-02-18 | Sistema gerador de ressonância e método para captar sinais oscilatórios |
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PCT/BR2020/050046 WO2020168404A1 (pt) | 2019-02-18 | 2020-02-18 | Sistema e método para otimização de captura de ondas eletromagnéticas |
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US (2) | US11990763B2 (pt) |
BR (2) | BR112021009347A2 (pt) |
WO (2) | WO2020168404A1 (pt) |
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US11990763B2 (en) * | 2019-02-18 | 2024-05-21 | Ibbx Inovação Em Sistemas De Software E Hardware Ltda | Resonance generator system and method for capturing oscillatory signals |
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- 2020-02-18 US US17/428,264 patent/US11990763B2/en active Active
- 2020-02-18 US US17/269,846 patent/US11349340B2/en active Active
- 2020-02-18 BR BR112021009347A patent/BR112021009347A2/pt unknown
- 2020-02-18 BR BR112021009214A patent/BR112021009214A2/pt unknown
- 2020-02-18 WO PCT/BR2020/050046 patent/WO2020168404A1/pt active Application Filing
- 2020-02-18 WO PCT/BR2020/050047 patent/WO2020168405A1/pt active Application Filing
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Also Published As
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BR102019003283A2 (pt) | 2020-09-29 |
US20210257854A1 (en) | 2021-08-19 |
BR112021009347A2 (pt) | 2021-11-23 |
US20220123780A1 (en) | 2022-04-21 |
WO2020168404A1 (pt) | 2020-08-27 |
BR112021009214A2 (pt) | 2022-01-11 |
US11990763B2 (en) | 2024-05-21 |
US11349340B2 (en) | 2022-05-31 |
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