JP5122796B2 - 無接点伝送装置 - Google Patents
無接点伝送装置 Download PDFInfo
- Publication number
- JP5122796B2 JP5122796B2 JP2006323347A JP2006323347A JP5122796B2 JP 5122796 B2 JP5122796 B2 JP 5122796B2 JP 2006323347 A JP2006323347 A JP 2006323347A JP 2006323347 A JP2006323347 A JP 2006323347A JP 5122796 B2 JP5122796 B2 JP 5122796B2
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- Prior art keywords
- system clock
- clock
- control signal
- coil
- transmission
- 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.)
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- 230000005540 biological transmission Effects 0.000 title claims description 78
- 238000012544 monitoring process Methods 0.000 claims description 28
- 238000001514 detection method Methods 0.000 claims description 26
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 description 10
- 230000010355 oscillation Effects 0.000 description 10
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 9
- 239000013078 crystal Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 3
- 230000009351 contact transmission Effects 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
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
- H02J50/80—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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Near-Field Transmission Systems (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Electric Clocks (AREA)
Description
Claims (2)
- コイルを介した電磁的結合を利用して電力とデータ信号とのうちの少なくとも一方を被伝送装置へ伝送する無接点伝送装置であって、
前記コイルを駆動するドライバと、
システムクロックを出力するシステムクロック発振器と、
前記システムクロックよりも周波数が低い監視用クロックを出力する監視用クロック発振器と、
前記システムクロックおよび前記監視用クロックを利用して動作し前記ドライバ用の制御信号および前記システムクロック発振器用の制御信号を出力する制御回路と、
を備え、
前記制御回路は、
前記電力と前記データ信号とのうちの少なくとも一方の伝送を開始するまでの待機中には、
前記監視用クロックに基づいて、間欠的にアクティブレベルに変化し該アクティブレベルを所定の時間幅維持する前記システムクロック発振器用制御信号を出力し、前記システムクロック発振器用制御信号が前記アクティブレベルのときに、前記システムクロック発振器から前記システムクロックを出力させ、
前記システムクロックの出力期間中に前記ドライバ用制御信号によって前記コイルを駆動して前記被伝送装置が配置されているか否かの検出を行うことを特徴とする無接点伝送装置。 - 請求項1に記載の無接点伝送装置であって、
前記システムクロックの出力期間は前記検出の所要時間に設定されていることを特徴とする無接点伝送装置。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006323347A JP5122796B2 (ja) | 2006-11-30 | 2006-11-30 | 無接点伝送装置 |
KR1020097011032A KR20090100335A (ko) | 2006-11-30 | 2007-11-29 | 무접점 전송장치 |
PCT/JP2007/073050 WO2008066110A1 (fr) | 2006-11-30 | 2007-11-29 | Dispositif de transmission sans contact |
EP07832765A EP2091126A1 (en) | 2006-11-30 | 2007-11-29 | Noncontact transmission device |
US12/516,809 US8179088B2 (en) | 2006-11-30 | 2007-11-29 | Noncontact transmission device |
CN2007800434795A CN101558543B (zh) | 2006-11-30 | 2007-11-29 | 无接点传送装置 |
TW096145533A TWI344739B (en) | 2006-11-30 | 2007-11-30 | Non-contact transmission device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006323347A JP5122796B2 (ja) | 2006-11-30 | 2006-11-30 | 無接点伝送装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008141816A JP2008141816A (ja) | 2008-06-19 |
JP5122796B2 true JP5122796B2 (ja) | 2013-01-16 |
Family
ID=39467899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006323347A Active JP5122796B2 (ja) | 2006-11-30 | 2006-11-30 | 無接点伝送装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8179088B2 (ja) |
EP (1) | EP2091126A1 (ja) |
JP (1) | JP5122796B2 (ja) |
KR (1) | KR20090100335A (ja) |
CN (1) | CN101558543B (ja) |
TW (1) | TWI344739B (ja) |
WO (1) | WO2008066110A1 (ja) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010068062A2 (ko) | 2008-12-12 | 2010-06-17 | 주식회사 한림포스텍 | 무접점 전력 송신장치 |
KR100971705B1 (ko) | 2009-09-03 | 2010-07-22 | 주식회사 한림포스텍 | 무접점 충전 시스템 |
JP4835697B2 (ja) * | 2009-01-08 | 2011-12-14 | パナソニック電工株式会社 | 非接触電力伝送回路 |
US9136914B2 (en) * | 2009-01-22 | 2015-09-15 | Qualcomm Incorporated | Impedance change detection in wireless power transmission |
KR101035334B1 (ko) | 2009-11-11 | 2011-05-20 | 주식회사 한림포스텍 | 무접점 충전 시스템의 충전전압 제어 방법 |
KR101195876B1 (ko) | 2010-04-15 | 2012-10-30 | 티엔씨 퍼스트 주식회사 | 무접점 전력공급 시스템 및 그 제어 방법 |
KR101235208B1 (ko) * | 2011-03-10 | 2013-02-20 | 강원대학교산학협력단 | 무접점 전력공급 시스템, 방법, 및 그 기록매체 |
JP5794056B2 (ja) | 2011-09-12 | 2015-10-14 | ソニー株式会社 | 給電装置および給電システム |
JP2013162707A (ja) * | 2012-02-08 | 2013-08-19 | Toyota Industries Corp | 充電スタンド及び相対位置制御方法 |
JP6185291B2 (ja) | 2013-06-03 | 2017-08-23 | ローム株式会社 | ワイヤレス送電装置、その制御回路および制御方法 |
US9853504B2 (en) | 2013-12-16 | 2017-12-26 | Texas Instruments Incorporated | Data extraction threshold circuit and method |
WO2015193209A1 (en) * | 2014-06-19 | 2015-12-23 | Koninklijke Philips N.V. | Wireless inductive power transfer |
US9838084B2 (en) | 2014-09-30 | 2017-12-05 | Texas Instruments Incorporated | Control of a tank circuit in a wireless power transmission system providing FSK communication |
CN107534319B (zh) * | 2015-04-06 | 2021-09-21 | 松下知识产权经营株式会社 | 非接触供电装置的送电装置 |
WO2017010285A1 (ja) * | 2015-07-10 | 2017-01-19 | 株式会社村田製作所 | 送電装置およびワイヤレス給電システム |
KR101637411B1 (ko) | 2015-07-31 | 2016-07-08 | (주)파워리퍼블릭얼라이언스 | 금속 환경 자기공진 무선전력전송 시스템용 송신기 |
US10164600B2 (en) * | 2015-10-12 | 2018-12-25 | Nxp B.V. | NFC or RFID device RF detuning detection and driver output power regulation |
US10199881B2 (en) | 2015-10-23 | 2019-02-05 | Mediatek Inc. | Robust foreign objects detection |
US10128783B2 (en) * | 2016-05-31 | 2018-11-13 | Infineon Technologies Ag | Synchronization of internal oscillators of components sharing a communications bus |
CN111052541B (zh) | 2018-07-19 | 2023-09-29 | 联发科技(新加坡)私人有限公司 | 无线功率传输系统之异物侦测 |
WO2020015749A1 (en) | 2018-07-19 | 2020-01-23 | Mediatek Singapore Pte., Ltd. | Detecting foreign objects in wireless power transfer systems |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2689927B2 (ja) * | 1994-12-09 | 1997-12-10 | 日本電気株式会社 | スペクトラム拡散受信機 |
JP3247328B2 (ja) * | 1997-12-09 | 2002-01-15 | 浩 坂本 | 非接触電力伝達装置 |
JP3589029B2 (ja) * | 1998-05-27 | 2004-11-17 | 松下電器産業株式会社 | リーダライタ、非接触icカード及びそれらを用いたカードシステム |
JP2000166129A (ja) * | 1998-11-26 | 2000-06-16 | Sanyo Electric Co Ltd | 非接触充電器の待機電力低減方法および装置 |
JP2003018757A (ja) | 2001-06-29 | 2003-01-17 | Toko Inc | 無接点型充電装置 |
JP2006060909A (ja) | 2004-08-19 | 2006-03-02 | Seiko Epson Corp | 非接触電力伝送装置 |
JP2006174261A (ja) * | 2004-12-17 | 2006-06-29 | Sharp Corp | 無線通信装置 |
JP4774217B2 (ja) | 2005-02-15 | 2011-09-14 | 高石 好 | 電力伝送装置、電力伝送方法 |
US7310245B2 (en) * | 2005-04-22 | 2007-12-18 | Noboru Ohbo | Electric power transmission device and electric power transmission method |
JP4649430B2 (ja) * | 2007-03-20 | 2011-03-09 | セイコーエプソン株式会社 | 非接触電力伝送装置 |
-
2006
- 2006-11-30 JP JP2006323347A patent/JP5122796B2/ja active Active
-
2007
- 2007-11-29 EP EP07832765A patent/EP2091126A1/en not_active Withdrawn
- 2007-11-29 CN CN2007800434795A patent/CN101558543B/zh not_active Expired - Fee Related
- 2007-11-29 WO PCT/JP2007/073050 patent/WO2008066110A1/ja active Application Filing
- 2007-11-29 KR KR1020097011032A patent/KR20090100335A/ko not_active Application Discontinuation
- 2007-11-29 US US12/516,809 patent/US8179088B2/en active Active
- 2007-11-30 TW TW096145533A patent/TWI344739B/zh active
Also Published As
Publication number | Publication date |
---|---|
CN101558543B (zh) | 2012-07-25 |
TW200835112A (en) | 2008-08-16 |
US8179088B2 (en) | 2012-05-15 |
EP2091126A1 (en) | 2009-08-19 |
WO2008066110A1 (fr) | 2008-06-05 |
US20100001847A1 (en) | 2010-01-07 |
JP2008141816A (ja) | 2008-06-19 |
KR20090100335A (ko) | 2009-09-23 |
TWI344739B (en) | 2011-07-01 |
CN101558543A (zh) | 2009-10-14 |
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