[go: up one dir, main page]

WO2014209588A1 - Émetteur hybride fonctionnant comme routeur de puissance et wifi - Google Patents

Émetteur hybride fonctionnant comme routeur de puissance et wifi Download PDF

Info

Publication number
WO2014209588A1
WO2014209588A1 PCT/US2014/041558 US2014041558W WO2014209588A1 WO 2014209588 A1 WO2014209588 A1 WO 2014209588A1 US 2014041558 W US2014041558 W US 2014041558W WO 2014209588 A1 WO2014209588 A1 WO 2014209588A1
Authority
WO
WIPO (PCT)
Prior art keywords
power
signals
electronic device
transmitter
portable electronic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2014/041558
Other languages
English (en)
Inventor
Michael A. Leabman
Gregory Scott Brewer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Energous Corp
Original Assignee
Energous Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US13/926,055 external-priority patent/US10128695B2/en
Application filed by Energous Corp filed Critical Energous Corp
Publication of WO2014209588A1 publication Critical patent/WO2014209588A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H02J50/27—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves characterised by the type of receiving antennas, e.g. rectennas
    • 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
    • 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
    • H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
    • H02J50/402—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/50—

Definitions

  • the present disclosure relates to electronic transmitters and more particularly to transmitter for wireless power transmission.
  • Portable electronic devices such as smart phones, tablets, notebooks and others, have become an everyday need in the way we communicate and Interact with others.
  • the frequent use of these devices may require a significant amount of power, which may easily deplete the batteries attached to these devices. Therefore, a user is frequently needed to plug in the device io a power source, and recharge such device. This may be inconvenient and troublesome if the user forgets to plug in or otherwise charge a device, the device may run out of power and be of no use to the user until the user is again able to charge the device.
  • the present disclosure provides a hybrid transmitter which may function as power router or Wi-Fi.
  • Hybrid transmitter may be employed for sending Radio frequency (RF) or/and Wi-Fi signals to electronic devices which may incorporate receivers.
  • RF Radio frequency
  • Such receivers may convert RF signals into suitable electricity for powering and charging a plurality of electric devices.
  • Wireless power transmission allows po wering and charging a plurality of electrical devices without wires as well as Wi-Fi transmission.
  • a hybrid transmitter including at least two antenna elements may generate RF signals through the use of one or more Radio frequency integrated circuit (RFIC) which may be managed by one or more microcontrollers.
  • RFIC Radio frequency integrated circuit
  • Hybrid Transmitters may receive power from, a power source, which may provide enough electricity for a subsequent conversion to RF signal
  • a hybrid transmitter including half of the antenna elements for power router and the other half for Wi-Fi. signal may he provided.
  • a switch may change the operation, mode between Wi-Fi and power router. Both, Wi-Fi and power router signals may be transmitted simultaneously,
  • a hybrid transmitter including all the antenna elements in the array may transmit Wi-Fi signal and a switch may change the operation mode to power router. Thus only one signal may he transmitted at the same time.
  • Hybrid Transmitter provided in the present invention may provide wireless power transmission while eliminating the use of wires or pads for charging devices and transmitting Wi-Fi signal, which may require tedious procedures such as plugging to a wall.
  • electronic equipment may require less components as typical wall chargers may not be required.
  • Figure 1 shows an example of a transmitter that can be for wireless power transmission, according to an embodiment.
  • Figure 2 shows an example of a receiver for wireless power transmission, according to an embodiment.
  • Figure 3 depicts a flat hybrid transmitter in a front view, according to an embodiment
  • Figure 4 illustrates wireless power transmission using Wi-Fi and pocket- forming for power router, according to an embodiment.
  • Pocket- forming may refer to generating two or more RF waves which converge in 3-d space, forming controlled constructive and destructive interference patterns.
  • Pockets of energy may refer to areas or regions of space where energy or power may accumulate in the form of constructive interference patterns of RF waves
  • Null-space may refer to areas or regions of space where pockets of energy do not form because of destructive interference patterns of RF waves
  • Transmitter 1 ' may refer to a device, including a chip which may generate two or more RF signals, at least one RF signal being phase shifted and gain adjusted with respect to other RF signals, substantially all of which pass through one or more RF antenna such that focused RF signals are directed to a target,
  • Receiveiver may refer to a. device including at least one antenna element, at least one rectifying circuit and at least one power converter, which may utilize pockets of energy for powering, or charging an electronic device.
  • ''Adaptive pocket-forming may refer to dynamically adjusting pocket- forming to regulate power on one or more targeted receivers.
  • FIG. 1 shows an example of a transmitter 100 that can be for wireless power transmission.
  • transmitter 100 may be Used to provide wireless power transmission.
  • Transmitter 100 may include a housing 102 having at least two or more antenna elements 104, at least one RF integrated circuit (RFIC 106), at least one micro-controller 108, and one communications component 110.
  • RFIC 106 RF integrated circuit
  • micro-controller 108 micro-controller 108
  • Micro-controller 108 may include a digital signal processor (DSP), PIC-
  • DSP digital signal processor
  • Micro-controller 108 may control a variety of features of RFIC 106 such as, time emission of pocket- forming, direction of the pocket-forming, bounce angle, power intensity and the like. Furthermore, micro-controller 108 may control multiple transmissions over multiple receivers or over a single receiver.
  • Housing 102 may be made of any suitable material which may allow for signal or wave transmission and/or reception, for example plastic or hard rubber.
  • Antenna elements 104 may include suitable antenna types for operating in frequency bands such as 900 MHz, 2.5 GHz or 5.8 GHz as these frequency bands conform to Federal Communications Commission (FCC) regulations part 18 (Industrial, Scientific and Medical equipment).
  • Antenna elements 104 may include vertical or horizontal polarization, right hand or left hand polarization, elliptical polarization, or other suitable polarizations as well as suitable polarization combinations.
  • Micro-controller 108 may then process information sent by a receiver.
  • receivers may communicate to transmitter 100 through short signals (such as RF) or through communications component 110 for determining optimum limes and locations for pocket-forming.
  • Communications component 110 may be based on standard wireless communication protocols which may include Bluetooth, Wi-Fi or ZigBee.
  • communications component 110 may be used to transfer other information such as an identifier for the device or user, battery level, location or other such information.
  • Other communications component 110 may be possible which may include radar, infrared cameras or sound devices for sonic triangulaiion for detennining the device's position.
  • Transmitter 1.00 may also include an external power source 1 12.
  • FIG. 2 shows an example of a receiver 200 for wireless power transmission.
  • Receiver 200 may include a housing 202 having at least one antenna element 204, one rectifier 206. one power converter 208 and one or more communications component 210.
  • Housing 202 can be made of any suitable material which may allow for signal or wave transmission and/or reception, for example plastic or hard rubber.
  • Housing 202 may be an external hardware that, may be added to different electronic equipment, for example in the form of cases, or can be embedded within electronic equipment as well.
  • Antenna element 204 may include suitable antenna types for operating in frequency bands such as those described for transmitter 100 from FIG. 1. Antenna, element.
  • receiver 200 may include vertical or horizontal polarization, right hand or left hand polarization, elliptical polarization, or other suitable polarizations as well as suitable polarization combinations.
  • receiver 200 may communicate with transmitter 100 using short signals (such as RF) or through communications component. 210 as described in FIG. 1.
  • Power converler 208 can be a DC-DC converter which may help provide a constant voltage output, regardless of input, to an electronic device, or as in this embodiment to a battery 212.
  • FIG. 3 depicts a flat hybrid transmitter 300 in a front view.
  • Hybrid transmitter 300 may operate by transmitting power router and/or Wi-Fi signal.
  • Hybrid transmitter 300 may include antenna elements 104 and RFIC 106 (not shown) in a flat arrangement which may reduce losses due the shorter distance between components,
  • the phase and the amplitude of each pocket- forming in each antenna elements 104 may be regulated by the corresponding RFIC 106 in order to generate the desired pocket-forming and null- space steering.
  • multiple pocket-forming may charge a higher number of receivers and may allow a better trajectory to such receivers.
  • Hybrid transmitter 300 may operate such that half of the array may transmit Wi-Fi signal and the other half of the array may transmit power router.
  • Figure 3 shows line 302 representing a division in the array.
  • Hybrid transmitter 300 may include a switch to control switching between Wi-Fi
  • Wi-Fi and power router may simultaneously operate. In other embodiments, only Wi-Fi or power router may operate at the same time.
  • hybrid transmitter 300 may operate in a variety of array for antenna elements 104, such arrays may increase or decrease the number of antenna elements 104 operating for each application, either transmitting power or Wi-Fi signal.
  • hybrid transmitter 300 may not include array division, and thus the entire array of antenna elements 104 may operate for Wi-Fi signal only, and a switch may change the operation mode to power router.
  • FIG. 4 illustrates wireless power transmission 400 using Wi-Fi and pocket-fonning for power router.
  • Wireless power transmission 400 may include one transmitter 100 and at least two or more receivers 200, Receivers 200 may communicate with transmitter 100 as described above though FIG. 1 and FIG. 2,
  • Hybrid transmitter 300 may determine which signal to send (Wi-Fi or power router) to a receiver through micro-controller 108, Micro-controller 108 may receive an unique identifier for the device such as the MAC" address of a. laptop computer 406 or smartphone 408,
  • Hybrid transmitter 300 may start to transmit controlled Radio Frequency (RF) waves 402 which may converge in 3-d space by using a minimum of two antenna elements 104.
  • RF waves 402 may be produced using an external power sonrce 112 and a local oscillator chip using a suitable piezoelectric material, RF waves 402 may be controlled by RFIC 106 which may include a proprietary chip for adjusting phase and/or relative magnitudes of RF signals which may serve as inputs for antenna elements 104 to form constructive and destructive interference patterns (pocket-forming).
  • Pocket-forming may take advantage of interference to change the directionality of the antenna elements 104 where constructive interference generates a pocket of energy 404 and deconstruct! e interference generates a null space.
  • Receiver 200 may then utilize pocket of energy 404 produced by pocket-forming for charging or pow r ering an electronic device, for example a laptop computer 406 and thus effectively providing wireless power transmission using pocket-forming .
  • Hybrid transmitter 300 may also identify and locate receiver 200 from smartphone 408. Smartphone 408 may require Wi-Fi signal. Therefore, hybrid transmitter 300 may send the required Wi-Fi signal in parallel with RF waves 402 for powering laptop computer 406,

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

La présente invention concerne un émetteur hybride qui peut être utilisé pour générer une transmission électrique sans fil (WPT). Selon certaines réalisations, les émetteurs hybrides peuvent comprendre des éléments d'antenne, conçus pour transmettre un signal Wifi ou pour fonctionner comme routeur de puissance, qui peuvent fonctionner simultanément. Selon d'autres réalisations, des émetteurs hybrides peuvent uniquement transmettre un signal unique et un commutateur peut modifier le mode de fonctionnement. De plus, des émetteurs peuvent comprendre des composants de communication pouvant assurer des communications vers divers équipements électroniques tels que des téléphones, des ordinateurs et autres.
PCT/US2014/041558 2013-06-25 2014-06-09 Émetteur hybride fonctionnant comme routeur de puissance et wifi Ceased WO2014209588A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/926,055 US10128695B2 (en) 2013-05-10 2013-06-25 Hybrid Wi-Fi and power router transmitter
US13/926,055 2013-06-25

Publications (1)

Publication Number Publication Date
WO2014209588A1 true WO2014209588A1 (fr) 2014-12-31

Family

ID=52142863

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2014/041558 Ceased WO2014209588A1 (fr) 2013-06-25 2014-06-09 Émetteur hybride fonctionnant comme routeur de puissance et wifi

Country Status (1)

Country Link
WO (1) WO2014209588A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070109121A1 (en) * 2005-08-04 2007-05-17 Cohen Marc H Harvesting ambient radio frequency electromagnetic energy for powering wireless electronic devices, sensors and sensor networks and applications thereof
US20110043327A1 (en) * 2009-08-24 2011-02-24 Baarman David W Physical and virtual identification in a wireless power network
US20110279226A1 (en) * 2010-05-14 2011-11-17 Topco Scientific Co.,Ltd. Charging system and charging method thereof
KR20110135540A (ko) * 2010-06-11 2011-12-19 삼성전자주식회사 무선 전력 수신을 위한 수신기 및 그의 무선 전력 수신 방법
US20130078918A1 (en) * 1996-02-20 2013-03-28 Robert J. Crowley Mobile wifi arrangement

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130078918A1 (en) * 1996-02-20 2013-03-28 Robert J. Crowley Mobile wifi arrangement
US20070109121A1 (en) * 2005-08-04 2007-05-17 Cohen Marc H Harvesting ambient radio frequency electromagnetic energy for powering wireless electronic devices, sensors and sensor networks and applications thereof
US20110043327A1 (en) * 2009-08-24 2011-02-24 Baarman David W Physical and virtual identification in a wireless power network
US20110279226A1 (en) * 2010-05-14 2011-11-17 Topco Scientific Co.,Ltd. Charging system and charging method thereof
KR20110135540A (ko) * 2010-06-11 2011-12-19 삼성전자주식회사 무선 전력 수신을 위한 수신기 및 그의 무선 전력 수신 방법

Similar Documents

Publication Publication Date Title
US10128695B2 (en) Hybrid Wi-Fi and power router transmitter
EP3087650B1 (fr) Ordinateur portatif en tant qu'émetteur pour une charge sans fil
US20140375253A1 (en) Methodology for multiple pocket-forming
US9793758B2 (en) Enhanced transmitter using frequency control for wireless power transmission
US10298024B2 (en) Wireless power transmitters for selecting antenna sets for transmitting wireless power based on a receiver's location, and methods of use thereof
US9899861B1 (en) Wireless charging methods and systems for game controllers, based on pocket-forming
US9450449B1 (en) Antenna arrangement for pocket-forming
US20150102764A1 (en) Wireless charging methods and systems for game controllers, based on pocket-forming
US10305315B2 (en) Systems and methods for wireless charging using a cordless transceiver
EP3031123B1 (fr) Transmission d'énergie sans fil ayant une portée sélective
US9831718B2 (en) TV with integrated wireless power transmitter
US9859758B1 (en) Transducer sound arrangement for pocket-forming
US20150042265A1 (en) Wireless powering of electronic devices
US9800080B2 (en) Portable wireless charging pad
US10211680B2 (en) Method for 3 dimensional pocket-forming
US20150022008A1 (en) Home base station for multiple room coverage with multiple transmitters
US20140008992A1 (en) Receivers for wireless power transmission
WO2014197454A9 (fr) Agencement d'antenne pour formation de poches
WO2014209588A1 (fr) Émetteur hybride fonctionnant comme routeur de puissance et wifi

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14818834

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 04.05.2016)

122 Ep: pct application non-entry in european phase

Ref document number: 14818834

Country of ref document: EP

Kind code of ref document: A1