JP2014180210A - ワイヤレスリンクを介して電子デバイスに電力供給するための方法およびシステム - Google Patents
ワイヤレスリンクを介して電子デバイスに電力供給するための方法およびシステム Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
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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
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/1607—Supply circuits
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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
- 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
- H02J50/23—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves characterised by the type of transmitting antennas, e.g. directional array antennas or Yagi antennas
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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
- H02J50/40—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
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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
- H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
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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
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
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- Power Engineering (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Near-Field Transmission Systems (AREA)
- Transmitters (AREA)
Abstract
【解決手段】一態様において、無線周波数リンクを介して充電式デバイスに電力を提供する方法は、実質的に変調されていない信号を生成するステップを含む。当該方法は、実質的に変調されていない信号に基づき、送信アンテナを介して、実質的に変調されていない無線周波数(Radio Frequency;RF)信号を充電式デバイスに放射するステップをさらに含む。当該方法は、実質的に変調されていないRF信号によって送達される電力により、充電式デバイスに電力供給または充電するステップをさらに含む。
【選択図】図1
Description
本出願は、2006年1月18日出願の、「Method and System for Charging an Electronic Device via a Wireless Link」と題された、米国仮特許出願第60/760,064号に基づく優先権を主張する、2006年4月21日に出願された本出願と同題の米国実用新案出願第11/408,793号に基づく優先権を主張するものであり、前述のそれぞれは、参照することによりその全体が本願に組み込まれる。
一態様において、無線周波数リンクを介して充電式デバイスに電力を提供するように構成されるシステムを提供する。当該システムは、充電式デバイスに電力供給または充電するための、実質的に変調されていない信号を生成するように構成される送信機を備える。当該システムは、送信機から実質的に変調されていない信号を受信し、実質的に変調されていない無線周波数(RF)信号を充電式デバイスに放射するように構成される送信アンテナをさらに備える。
以下の詳細な説明は、本発明の一部の特定の実施形態を対象とするものである。しかしながら、本発明は、特許請求の範囲によって定義および網羅されているように、多数の異なる手法で具現化され得る。本説明においては図面を参照し、全図面中、類似の部分には類似の数字が指定されている。
14 電子デバイス
Claims (25)
- 無線周波数リンクを介して充電式デバイスに電力を提供するように構成されたシステムであって:
前記充電式デバイスに電力供給または充電するための実質的に変調されていない第1の信号を生成するように構成された第1の送信機と;
前記送信機から前記実質的に変調されていない第1の信号を受信し、前記充電式デバイスに電力供給または充電するのに十分な実質的に変調されていない第1の無線周波数(RF)信号を生成するように構成された第1の送信アンテナと;
前記充電式デバイスに電力供給または充電するための実質的に変調されていない第2の信号を生成するように構成された第2の送信機と;
前記送信機から前記実質的に変調されていない第2の信号を受信し、前記充電式デバイスに電力供給または充電するのに十分な実質的に変調されていない第2の無線周波数(RF)信号を生成するように構成された第2の送信アンテナと;
を含み、
前記実質的に変調されていない第1のRF信号および前記実質的に変調されていない第2のRF信号は各々、実質的に情報がないRF信号を含み、
前記第1の送信アンテナおよび前記第2の送信アンテナの偏光状態は、最大電力伝送を実現するために前記充電式デバイスの充電受信アンテナの偏光状態に一致するように調整されることを特徴とするシステム。 - 前記第1の送信アンテナおよび前記第2の送信アンテナは、前記充電受信アンテナで集束するように前記第1のRF信号および前記第2のRF信号を向けるように構成されることを特徴とする請求項1に記載のシステム。
- 前記第1および第2のRF信号間の位相差が前記充電受信アンテナの位置で0度になるように、前記第1および第2のRF信号間の前記位相差を調整するように構成されたコントローラをさらに含むことを特徴とする請求項1に記載のシステム。
- 前記充電式デバイスによって送信されたフィードバック信号に基づき前記位相差を調整するように構成されたコントローラをさらに含むことを特徴とする請求項1に記載のシステム。
- 前記第1の送信アンテナは、第1の指向性アンテナを含み、前記第2の送信アンテナは、第2の指向性アンテナを含み、前記第1の指向性アンテナおよび前記第2の指向性アンテナは各々、指向性経路を介して前記充電式デバイスに前記実質的に変調されていない第1のRF信号および前記実質的に変調されていない第2のRF信号を生成するように構成されることを特徴とする請求項1に記載のシステム。
- 前記実質的に変調されていない第1のRF信号および前記実質的に変調されていない第2のRF信号は各々、実質的に単一の周波数信号を含むことを特徴とする請求項1に記載のシステム。
- 前記実質的に変調されていない第1のRF信号および前記実質的に変調されていない第2のRF信号は各々本質的には、実質的に単一の周波数信号からなることを特徴とする請求項1に記載のシステム。
- 前記実質的に変調されていない第1のRF信号および前記実質的に変調されていない第2のRF信号は各々、正弦波を含むことを特徴とする請求項1に記載のシステム。
- 前記実質的に変調されていない第1のRF信号および前記実質的に変調されていない第2のRF信号は各々、実質的に搬送信号を含むことを特徴とする請求項1に記載のシステム。
- 前記充電式デバイスは、携帯デバイス、メディアプレーヤー、携帯端末、携帯コンピュータ、携帯またはセルラ電話、クロック、および電子ディスプレイのうち少なくとも1つを含むことを特徴とする請求項1に記載のシステム。
- 前記第1の送信アンテナによって生成された前記第1のRF信号および前記第2の送信アンテナによって生成された前記第2のRF信号の電界成分の配向は各々、実質的に前記充電受信アンテナの配向に一致することを特徴とする請求項1に記載のシステム。
- 無線周波数リンクを介して充電式デバイスに電力を提供する方法であって:
実質的に変調されていない第1の信号を生成するステップと;
前記実質的に変調されていない第1の信号に基づき第1の送信アンテナを介して、実質的に情報がなく前記充電式デバイスに電力供給または充電するのに十分な実質的に変調されていない第1の無線周波数(RF)信号を放射するステップと;
実質的に変調されていない第2の信号を生成するステップと;
前記実質的に変調されていない第2の信号に基づき第2の送信アンテナを介して、実質的に情報がなく前記充電式デバイスに電力供給または充電するのに十分な実質的に変調されていない第2の無線周波数(RF)信号を放射するステップと;
最大電力伝送を実現するために前記充電式デバイスの充電受信アンテナの偏光状態に一致するように、前記第1の送信アンテナおよび前記第2の送信アンテナの各々の偏光状態を調整するステップと;
を含み、
前記実質的に変調されていない第1のRF信号および前記実質的に変調されていない第2のRF信号は各々、実質的に情報がないRF信号を含むことを特徴とする方法。 - 前記第1の送信アンテナおよび前記第2の送信アンテナは、前記充電受信アンテナで集束するように前記第1のRF信号および前記第2のRF信号を向けるように構成されることを特徴とする請求項12に記載のシステム。
- 前記第1および第2のRF信号間の位相差が前記充電受信アンテナの位置で0度になるように前記第1および第2のRF信号間の前記位相差を調整するように構成されたコントローラをさらに含むことを特徴とする請求項12に記載のシステム。
- 前記充電式デバイスによって送信されたフィードバック信号に基づき位相差を調整するように構成されたコントローラをさらに含むことを特徴とする請求項12に記載のシステム。
- 前記第1の送信アンテナおよび前記第2の送信アンテナは各々、指向性経路を介して前記充電式デバイスに前記実質的に変調されていない無線周波数信号を生成するように構成された指向性アンテナを含むことを特徴とする請求項12に記載の方法。
- 前記実質的に変調されていない第1のRF信号および前記実質的に変調されていない第2のRF信号は各々、正弦波を含むことを特徴とする請求項12に記載の方法。
- 前記実質的に変調されていない第1のRF信号および前記実質的に変調されていない第2のRF信号は各々、実質的に単一の周波数信号からなることを特徴とする請求項12に記載の方法。
- 前記実質的に変調されていない第1のRF信号および前記実質的に変調されていない第2のRF信号は各々、実質的に搬送信号を含むことを特徴とする請求項12に記載の方法。
- 前記実質的に変調されていない第1のRF信号および前記実質的に変調されていない第2のRF信号によって送られた前記電力で前記充電式デバイスに電力供給または充電するステップをさらに含むことを特徴とする請求項12に記載の方法。
- 無線周波数リンクを介して充電式デバイスに電力を提供するためのシステムであって:
実質的に変調されていない第1の信号を生成するための第1の手段と;
前記実質的に変調されていない第1の信号に基づき、実質的に情報がなく前記充電式デバイスに電力供給または充電するのに十分な実質的に変調されていない第1の無線周波数(RF)信号を放射するための第1の手段と;
実質的に変調されていない第2の信号を生成するための第2の手段と;
前記実質的に変調されていない第2の信号に基づき、実質的に情報がなく前記充電式デバイスに電力供給または充電するのに十分な実質的に変調されていない第2の無線周波数(RF)信号を放射するための第2の手段と;
最大電力伝送を実現するために前記充電受信アンテナの偏光状態に一致するように放射するための前記第1および第2の手段の各々の偏光状態を調整するための手段と;
を含み、
前記実質的に変調されていない第1のRF信号および前記実質的に変調されていない第2のRF信号の各々は、実質的に情報がないRF信号を含むことを特徴とするシステム。 - 放射するための前記第1の手段および放射するための前記第2の手段は、前記充電受信アンテナで集束するように前記第1のRF信号および前記第2のRF信号を向けるように構成されることを特徴とする請求項21に記載のシステム。
- 前記第1および第2のRF信号間の位相差が前記充電受信アンテナの位置で0度になるように、前記第1および第2のRF信号間の前記位相差を調整するための手段をさらに含むことを特徴とする請求項21に記載のシステム。
- 前記充電式デバイスから受信したフィードバック信号に基づき前記第1および第2のRF信号間の位相差を調整するための手段をさらに含むことを特徴とする請求項21に記載のシステム。
- 前記実質的に変調されていない信号を生成するための前記第1および第2の手段は各々、電源を含み、放射するための前記第1および第2の手段は各々、送信アンテナを含み、偏光状態を調整するための前記手段は、コントローラを含むことを特徴とする請求項21に記載のシステム。
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Application Number | Priority Date | Filing Date | Title |
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US76006406P | 2006-01-18 | 2006-01-18 | |
US60/760,064 | 2006-01-18 | ||
US11/408,793 | 2006-04-21 | ||
US11/408,793 US8447234B2 (en) | 2006-01-18 | 2006-04-21 | Method and system for powering an electronic device via a wireless link |
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JP2011285417A Division JP5907725B2 (ja) | 2006-01-18 | 2011-12-27 | ワイヤレスリンクを介して電子デバイスに電力供給するための方法およびシステム |
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JP2011285417A Active JP5907725B2 (ja) | 2006-01-18 | 2011-12-27 | ワイヤレスリンクを介して電子デバイスに電力供給するための方法およびシステム |
JP2014124233A Active JP5843925B2 (ja) | 2006-01-18 | 2014-06-17 | ワイヤレスリンクを介して電子デバイスに電力供給するための方法およびシステム |
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JP2011285417A Active JP5907725B2 (ja) | 2006-01-18 | 2011-12-27 | ワイヤレスリンクを介して電子デバイスに電力供給するための方法およびシステム |
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KR (1) | KR101380512B1 (ja) |
CN (1) | CN105577208B (ja) |
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JP5843925B2 (ja) | 2016-01-13 |
US8447234B2 (en) | 2013-05-21 |
EP1977527A4 (en) | 2013-08-07 |
US20070178945A1 (en) | 2007-08-02 |
CA2636035A1 (en) | 2007-07-26 |
KR101380512B1 (ko) | 2014-04-01 |
WO2007084716A3 (en) | 2007-12-06 |
CN105577208B (zh) | 2018-05-29 |
JP5907725B2 (ja) | 2016-04-26 |
JP2012075320A (ja) | 2012-04-12 |
CN105577208A (zh) | 2016-05-11 |
IL192900A0 (en) | 2009-02-11 |
JP2009524398A (ja) | 2009-06-25 |
KR20080098035A (ko) | 2008-11-06 |
EP1977527A2 (en) | 2008-10-08 |
WO2007084716B1 (en) | 2008-01-31 |
EP1977527B1 (en) | 2018-09-05 |
WO2007084716A2 (en) | 2007-07-26 |
US20110050166A1 (en) | 2011-03-03 |
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