JP2010161652A5 - - Google Patents

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Publication number
JP2010161652A5
JP2010161652A5 JP2009002717A JP2009002717A JP2010161652A5 JP 2010161652 A5 JP2010161652 A5 JP 2010161652A5 JP 2009002717 A JP2009002717 A JP 2009002717A JP 2009002717 A JP2009002717 A JP 2009002717A JP 2010161652 A5 JP2010161652 A5 JP 2010161652A5
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JP
Japan
Prior art keywords
terminal
end connected
coil
magnetic core
antenna device
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JP2009002717A
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Japanese (ja)
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JP2010161652A (en
JP5050223B2 (en
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Priority to JP2009002717A priority Critical patent/JP5050223B2/en
Priority claimed from JP2009002717A external-priority patent/JP5050223B2/en
Priority to CN2009102243261A priority patent/CN101777697B/en
Publication of JP2010161652A publication Critical patent/JP2010161652A/en
Publication of JP2010161652A5 publication Critical patent/JP2010161652A5/ja
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Publication of JP5050223B2 publication Critical patent/JP5050223B2/en
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Claims (11)

開磁路構造である第１の磁性体コアと、
前記第１の磁性体コアに巻回され、一方の端部が第１の端子に接続される第１のコイルと、
開磁路構造である第２の磁性体コアと、
前記第２の磁性体コアに巻回され、一方の端部が前記第１のコイルの他方の端部に接続され、他方の端部が第２の端子に接続される第２のコイルと、を備える
アンテナ装置。 A first magnetic core having an open magnetic path structure;
A first coil wound around the first magnetic core and having one end connected to a first terminal;
A second magnetic core having an open magnetic path structure;
A second coil wound around the second magnetic core, having one end connected to the other end of the first coil and the other end connected to a second terminal; An antenna device comprising: 一方の端部が第３の端子に接続され、他方の端部が前記第１の端子に接続されるコンデンサを備える
請求項１記載のアンテナ装置。 The antenna device according to claim 1, further comprising a capacitor having one end connected to the third terminal and the other end connected to the first terminal. 前記第２のコイルは、トロイダルコイルである
請求項２記載のアンテナ装置。 The antenna device according to claim 2, wherein the second coil is a toroidal coil. さらに、前記第２のコイル及び前記コンデンサが搭載されたベース部材を備えるAnd a base member on which the second coil and the capacitor are mounted.
請求項１〜３のいずれか１項に記載のアンテナ装置。The antenna device according to any one of claims 1 to 3. 前記ベース部材に対して、前記第１乃至第３の端子が配置されているThe first to third terminals are arranged with respect to the base member.
請求項４記載のアンテナ装置。The antenna device according to claim 4. アンテナ装置に供給する電流経路を変えることによって、信号電波の送受信を行う信号伝送システムであって、
前記アンテナ装置は、
開磁路構造である第１の磁性体コアと、
前記第１の磁性体コアに巻回され、一方の端部が第１の端子に接続される第１のコイルと、
閉磁路構造である第２の磁性体コアと、
前記第２の磁性体コアに巻回され、一方の端部が前記第１のコイルの他方の端部に接続され、他方の端部が第２の端子に接続される第２のコイルと、を備え、
前記第２の端子には、第１の電圧源から供給される電圧を切替える第１のスイッチと、接地される第２のスイッチが接続される
信号伝送システム。 A signal transmission system for transmitting and receiving signal radio waves by changing a current path supplied to an antenna device,
The antenna device is
A first magnetic core having an open magnetic path structure;
A first coil wound around the first magnetic core and having one end connected to a first terminal;
A second magnetic core having a closed magnetic circuit structure;
A second coil wound around the second magnetic core, having one end connected to the other end of the first coil and the other end connected to a second terminal; With
The second terminal is connected to a first switch that switches a voltage supplied from a first voltage source and a second switch that is grounded. 一方の端部が第３の端子に接続され、他方の端部が前記第１の端子に接続されるコンデンサを備え、
前記第３の端子には、第２の電圧源から供給される電圧を切替える第３のスイッチと、接地される第４のスイッチが接続される
請求項６記載の信号伝送システム。 A capacitor having one end connected to the third terminal and the other end connected to the first terminal;
The signal transmission system according to claim 6, wherein a third switch that switches a voltage supplied from a second voltage source and a fourth switch that is grounded are connected to the third terminal. 前記信号電波の送信時における周波数と、前記信号電波の受信時における周波数が同じであるThe frequency at the time of transmission of the signal radio wave and the frequency at the time of reception of the signal radio wave are the same.
請求項６又は７に記載の信号伝送システム。The signal transmission system according to claim 6 or 7. 前記信号電波の送信時に、前記第２の磁性体が磁気飽和し、前記信号電波の受信時に、前記第２の磁性体が磁気飽和しないWhen the signal radio wave is transmitted, the second magnetic body is magnetically saturated, and when the signal radio wave is received, the second magnetic body is not magnetically saturated.
請求項６又は７記載の信号伝送システム。The signal transmission system according to claim 6 or 7. 前記信号電波の送信時に、電圧源から入力する電流が、前記第１及び第２のコイル、並びに前記コンデンサに対して直列に伝わり、直列共振を行うAt the time of transmission of the signal radio wave, a current input from a voltage source is transmitted in series to the first and second coils and the capacitor to perform series resonance.
請求項６又は７記載の信号伝送システム。The signal transmission system according to claim 6 or 7. 前記信号電波の受信時に、前記第１のコイル及び第２のコイル、並びに前記コンデンサを有する並列共振回路に電流が流れるWhen the signal radio wave is received, a current flows through the parallel resonance circuit having the first coil, the second coil, and the capacitor.
請求項６又は７記載の信号伝送システム。The signal transmission system according to claim 6 or 7.
JP2009002717A 2009-01-08 2009-01-08 Transmission / reception antenna device and signal transmission system Active JP5050223B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009002717A JP5050223B2 (en) 2009-01-08 2009-01-08 Transmission / reception antenna device and signal transmission system
CN2009102243261A CN101777697B (en) 2009-01-08 2009-11-17 Antenna apparatus and signal transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009002717A JP5050223B2 (en) 2009-01-08 2009-01-08 Transmission / reception antenna device and signal transmission system

Publications (3)

Publication Number Publication Date
JP2010161652A JP2010161652A (en) 2010-07-22
JP2010161652A5 true JP2010161652A5 (en) 2011-07-28
JP5050223B2 JP5050223B2 (en) 2012-10-17

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Family Applications (1)

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JP2009002717A Active JP5050223B2 (en) 2009-01-08 2009-01-08 Transmission / reception antenna device and signal transmission system

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JP (1) JP5050223B2 (en)
CN (1) CN101777697B (en)

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JP5521938B2 (en) * 2010-09-22 2014-06-18 株式会社デンソー Low frequency antenna
US8963786B2 (en) * 2012-07-11 2015-02-24 Laird Technologies, Inc. Antenna mast assemblies
US9768509B2 (en) * 2013-08-09 2017-09-19 Sumida Corporation Antenna coil component, antenna unit, and method of manufacturing the antenna coil component
JP6364906B2 (en) * 2014-04-15 2018-08-01 スミダコーポレーション株式会社 ANTENNA DEVICE AND ANTENNA DEVICE MANUFACTURING METHOD
JP6701907B2 (en) 2016-04-13 2020-05-27 スミダコーポレーション株式会社 Antenna device and method of manufacturing antenna device
DE112017002762T5 (en) * 2016-06-03 2019-02-14 Murata Manufacturing Co., Ltd. loop antenna
KR102411558B1 (en) 2017-06-13 2022-06-20 히타치 긴조쿠 가부시키가이샤 Coil parts and antennas
ES2875576T3 (en) * 2017-10-23 2021-11-10 Premo Sa Antenna for low frequency communication inside a vehicle environment and low frequency communication system
CN111628293B (en) * 2019-02-28 2024-03-19 胜美达电机（香港）有限公司 Antenna device and manufacturing method thereof

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JPH0887802A (en) * 1994-09-15 1996-04-02 Sony Corp Changer
JP2001076934A (en) * 1999-06-30 2001-03-23 Toshiba Corp Inductance element, manufacture thereof and snubber circuit using the same
WO2004025543A1 (en) * 2002-09-09 2004-03-25 Siemens Aktiengesellschaft Device for the inductive transmission of power and/or data
US7515881B2 (en) * 2003-11-26 2009-04-07 Starkey Laboratories, Inc. Resonance frequency shift canceling in wireless hearing aids
JP4520293B2 (en) * 2004-12-24 2010-08-04 株式会社東海理化電機製作所 Antenna device and manufacturing method thereof
EP1983611B1 (en) * 2006-02-08 2010-09-22 Sumida Corporation Coil for antenna
JP4881170B2 (en) * 2007-01-23 2012-02-22 スミダコーポレーション株式会社 Antenna coil parts

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