JP2008312357A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2008312357A5 JP2008312357A5 JP2007158087A JP2007158087A JP2008312357A5 JP 2008312357 A5 JP2008312357 A5 JP 2008312357A5 JP 2007158087 A JP2007158087 A JP 2007158087A JP 2007158087 A JP2007158087 A JP 2007158087A JP 2008312357 A5 JP2008312357 A5 JP 2008312357A5
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- receiving antenna
- transmitting antenna
- feeding system
- wiring
- 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.)
- Granted
Links
Claims (3)
前記配線の両端は開放されるか又はコンデンサで結ばれ、
前記送信アンテナと前記受信アンテナを、前記送信アンテナ及び前記受信アンテナが共振する電磁界の波長より十分短い距離で隔てて配置し、
前記送信アンテナの給電点に接続する電源回路の出力インピーダンスと前記受信アンテナの給電点に接続する負荷回路の入力インピーダンスを、前記電源回路から前記負荷回路への電力の伝送効率が2つの周波数でピークを生じる値に設定するか又は前記ピークを生じる値の限界値に近い値に設定し、
前記ピークを与える周波数で両アンテナを共振させて電力を伝送する
ことを特徴とする誘導電力給電システム。 In inductive power feeding system for energy transfer space from the transmission antenna to the reception antenna, said transmitting antenna and said receiving antenna, by winding a wire having both ends in a coil shape, made by installing a feed point in the middle of the wiring ,
Both ends of the wiring are opened or connected with a capacitor,
The transmitting antenna and the receiving antenna are arranged at a distance sufficiently shorter than the wavelength of the electromagnetic field at which the transmitting antenna and the receiving antenna resonate,
The output impedance of the power supply circuit connected to the feeding point of the transmitting antenna and the input impedance of the load circuit connected to the feeding point of the receiving antenna, the power transmission efficiency from the power supply circuit to the load circuit peaks at two frequencies. Or a value close to the limit value of the value that produces the peak,
An induction power feeding system, wherein power is transmitted by resonating both antennas at a frequency that gives the peak .
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007158087A JP5354874B2 (en) | 2007-06-15 | 2007-06-15 | Inductive power supply system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007158087A JP5354874B2 (en) | 2007-06-15 | 2007-06-15 | Inductive power supply system |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008312357A JP2008312357A (en) | 2008-12-25 |
JP2008312357A5 true JP2008312357A5 (en) | 2010-11-11 |
JP5354874B2 JP5354874B2 (en) | 2013-11-27 |
Family
ID=40239435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007158087A Active JP5354874B2 (en) | 2007-06-15 | 2007-06-15 | Inductive power supply system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5354874B2 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5417941B2 (en) * | 2009-03-31 | 2014-02-19 | 富士通株式会社 | Power transmission equipment |
JP5417942B2 (en) * | 2009-03-31 | 2014-02-19 | 富士通株式会社 | Power transmission device, power transmission / reception device, and power transmission method |
JP5510032B2 (en) | 2009-05-14 | 2014-06-04 | 日産自動車株式会社 | Non-contact power feeding device |
US9509166B2 (en) | 2011-05-16 | 2016-11-29 | Samsung Electronics Co., Ltd. | Apparatus and method for wireless power transmission |
WO2013145080A1 (en) * | 2012-03-26 | 2013-10-03 | パイオニア株式会社 | Short circuit testing device and short circuit testing method |
JP6095957B2 (en) * | 2012-04-17 | 2017-03-15 | 日東電工株式会社 | Wireless power transmission device, power feeding device, and power receiving device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10145267A (en) * | 1996-09-13 | 1998-05-29 | Hitachi Ltd | High efficiency antenna coil, radio card and information communication system using radio card |
JP2000148932A (en) * | 1998-11-13 | 2000-05-30 | Hitachi Ltd | Reader or/and writer, and ic card system using them |
JP2007013757A (en) * | 2005-07-01 | 2007-01-18 | Nec Tokin Corp | Radio tag and radio communication system using radio tag |
-
2007
- 2007-06-15 JP JP2007158087A patent/JP5354874B2/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2008312357A5 (en) | ||
JP3148168U (en) | Wireless IC device | |
WO2012053223A1 (en) | Antenna device | |
KR20130099576A (en) | Apparatus for transferring power | |
JP2010063245A (en) | Non-contact feeder system | |
WO2009037821A1 (en) | Induced power transmission circuit | |
CN102714348A (en) | Antenna network for passive and active signal enhancement | |
CN103051068B (en) | Wireless power repeater | |
US8228252B2 (en) | Data coupler | |
JP5354874B2 (en) | Inductive power supply system | |
CN102447311B (en) | Wireless energy transfer using array of resonant objects | |
CN102437656A (en) | Wireless energy transmission system based on magnetic resonance array | |
JP2012049714A (en) | Antenna module | |
KR20140076993A (en) | Wireless power device | |
JP6156872B2 (en) | Wireless power transmission system | |
Kung et al. | Investigation of dual-band coil module for near-field wireless power transfer systems | |
JP2012200031A (en) | Feeding system | |
KR20140013015A (en) | Transmission coil for wireless power transmission | |
CN103296781A (en) | Wireless energy transmitting system | |
US20170155285A1 (en) | Open type resonance coil without dual loops having serial type in-phase direct power feeding method without dual loops | |
TW201039528A (en) | Energy transferring system and energy transferring side device | |
CN103296778A (en) | Wireless energy transmission system | |
EP3706286B1 (en) | Power reception device and non-contact power transmission system | |
JP6044865B2 (en) | Inductive power transmission system | |
JP2011072176A (en) | Non-contact power transmitter |