JP2013217768A5 - - Google Patents
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- JP2013217768A5 JP2013217768A5 JP2012088502A JP2012088502A JP2013217768A5 JP 2013217768 A5 JP2013217768 A5 JP 2013217768A5 JP 2012088502 A JP2012088502 A JP 2012088502A JP 2012088502 A JP2012088502 A JP 2012088502A JP 2013217768 A5 JP2013217768 A5 JP 2013217768A5
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この発明における磁気センサ装置は、被検知物の一方の面に面し、前記被検知物の搬送方向に沿って交互に異なる磁極を有する磁石と、
前記被検知物の他方の面に面し、前記搬送方向に沿って前記磁石と対向して配置され、前記磁石との間で形成され前記被検知物に交差する交差磁界を生成する磁性体と、
この磁性体の前記被検知物に面した側に、前記搬送方向と直交する方向に複数個アレイ状に載置され、出力端子を有し、前記交差磁界内を搬送される前記被検知物の磁気成分による前記磁界の前記搬送方向成分の変化を抵抗値の変化として出力する前記搬送方向に感磁作用を有する磁気抵抗効果素子とを備え、
前記磁気抵抗効果素子は、前記磁石の前記搬送方向の中心から、前記搬送方向のいずれかの側に偏っているものである。
A magnetic sensor device according to the present invention faces one surface of the detected object, and has magnets having different magnetic poles alternately along the transport direction of the detected object,
A magnetic body that faces the other surface of the object to be detected and is arranged to face the magnet along the transport direction and generates a crossing magnetic field that is formed between the magnet and intersects the object to be detected; ,
On the side of the magnetic body facing the object to be detected, a plurality of arrays are placed in a direction orthogonal to the transport direction, have an output terminal, and are transported in the cross magnetic field. A magnetoresistive element having a magnetosensitive effect in the transport direction for outputting a change in the transport direction component of the magnetic field due to a magnetic component as a change in resistance value ;
The magnetoresistive element is biased toward either side of the transport direction from the center of the magnet in the transport direction .
また、この発明における磁気センサ装置は、被検知物の一方の面に面し、前記被検知物の搬送方向に沿って所定の長さの磁極を有する磁石と、
前記被検知物の他方の面に面し、前記搬送方向に沿って前記磁石と対向して配置され、前記磁石との間で形成され前記被検知物に交差する交差磁界を生成する磁性体と、
この磁性体の前記被検知物に面した側に、前記搬送方向と直交する方向に複数個アレイ状に載置され、出力端子を有し、前記交差磁界内を搬送される前記被検知物の磁気成分による前記磁界の前記搬送方向成分の変化を抵抗値の変化として出力する前記搬送方向に感磁作用を有する磁気抵抗効果素子とを備え、
前記磁気抵抗効果素子は、前記磁石の前記搬送方向の中心から、前記搬送方向のいずれかの側に偏っているものである。
Further, the magnetic sensor device according to the present invention has a magnet that faces one surface of the detected object and has a magnetic pole having a predetermined length along the conveying direction of the detected object.
A magnetic body that faces the other surface of the object to be detected and is arranged to face the magnet along the transport direction and generates a crossing magnetic field that is formed between the magnet and intersects the object to be detected; ,
On the side of the magnetic body facing the object to be detected, a plurality of arrays are placed in a direction orthogonal to the transport direction, have an output terminal, and are transported in the cross magnetic field. A magnetoresistive element having a magnetosensitive effect in the transport direction for outputting a change in the transport direction component of the magnetic field due to a magnetic component as a change in resistance value ;
The magnetoresistive element is biased toward either side of the transport direction from the center of the magnet in the transport direction .
Claims (7)
前記被検知物の他方の面に面し、前記搬送方向に沿って前記磁石と対向して配置され、前記磁石との間で形成され前記被検知物に交差する交差磁界を生成する磁性体と、
この磁性体の前記被検知物に面した側に、前記搬送方向と直交する方向に複数個アレイ状に載置され、出力端子を有し、前記交差磁界内を搬送される前記被検知物の磁気成分による前記磁界の前記搬送方向成分の変化を抵抗値の変化として出力する前記搬送方向に感磁作用を有する磁気抵抗効果素子とを備え、
前記磁気抵抗効果素子は、前記磁石の前記搬送方向の中心から、前記搬送方向のいずれかの側に偏っている磁気センサ装置。 A magnet that faces one surface of the object to be detected and has different magnetic poles alternately along the transport direction of the object to be detected;
A magnetic body that faces the other surface of the object to be detected and is arranged to face the magnet along the transport direction and generates a crossing magnetic field that is formed between the magnet and intersects the object to be detected; ,
On the side of the magnetic body facing the object to be detected, a plurality of arrays are placed in a direction orthogonal to the transport direction, have an output terminal, and are transported in the cross magnetic field. A magnetoresistive element having a magnetosensitive effect in the transport direction for outputting a change in the transport direction component of the magnetic field due to a magnetic component as a change in resistance value ;
The said magnetoresistive effect element is a magnetic sensor apparatus which is biased to the any side of the said conveyance direction from the center of the said conveyance direction of the said magnet .
前記被検知物の他方の面に面し、前記搬送方向に沿って前記磁石と対向して配置され、前記磁石との間で形成され前記被検知物に交差する交差磁界を生成する磁性体と、
この磁性体の前記被検知物に面した側に、前記搬送方向と直交する方向に複数個アレイ状に載置され、出力端子を有し、前記交差磁界内を搬送される前記被検知物の磁気成分による前記磁界の前記搬送方向成分の変化を抵抗値の変化として出力する前記搬送方向に感磁作用を有する磁気抵抗効果素子とを備え、
前記磁気抵抗効果素子は、前記磁石の前記搬送方向の中心から、前記搬送方向のいずれかの側に偏っている磁気センサ装置。 A magnet facing one surface of the object to be detected and having a magnetic pole having a predetermined length along the transport direction of the object to be detected;
A magnetic body that faces the other surface of the object to be detected and is arranged to face the magnet along the transport direction and generates a crossing magnetic field that is formed between the magnet and intersects the object to be detected; ,
On the side of the magnetic body facing the object to be detected, a plurality of arrays are placed in a direction orthogonal to the transport direction, have an output terminal, and are transported in the cross magnetic field. A magnetoresistive element having a magnetosensitive effect in the transport direction for outputting a change in the transport direction component of the magnetic field due to a magnetic component as a change in resistance value ;
The said magnetoresistive effect element is a magnetic sensor apparatus which is biased to the any side of the said conveyance direction from the center of the said conveyance direction of the said magnet .
この筐体の一方の側壁に読取り幅に亘って被検知物を挿入する細長の第１のスリット部と、
この第１のスリット部に対向する前記筐体の他方の側壁に前記第１のスリット部に平行して配置した前記被検知物を排出する第２のスリット部と、
前記第１のスリット部と前記第２のスリット部と接続され前記被検知物が前記第１のスリット部から前記第２のスリット部へ搬送される中空部と、
前記筐体に設けられ、前記被検知物の一方の面に面し、搬送方向に沿って交互に異なる磁極を有する磁石と、
前記被検知物の他方の面に面し、前記搬送方向に沿って前記磁石と対向して配置され、前記磁石との間で形成され前記被検知物に交差する交差磁界を生成する磁性体と、
この磁性体の前記被検知物に面した側に、前記搬送方向と直交する方向に複数個アレイ状に載置され、出力端子を有し、前記交差磁界内を搬送される前記被検知物の磁気成分による前記磁界の前記搬送方向成分の変化を抵抗値の変化として出力する前記搬送方向に感磁作用を有する磁気抵抗効果素子と、
この磁気抵抗効果素子の出力端子からの抵抗値変化を接続パッドから外部に出力する基板と、
この基板の接続パッドと前記磁気抵抗効果素子の出力端子とを電気接続する電気接続手段とを備え、
前記磁気抵抗効果素子は、前記磁石の前記搬送方向の中心から、前記搬送方向のいずれかの側に偏っている磁気センサ装置。 A housing,
An elongated first slit portion for inserting an object to be detected over a reading width on one side wall of the housing;
A second slit portion for discharging the detected object disposed in parallel with the first slit portion on the other side wall of the casing facing the first slit portion;
A hollow portion connected to the first slit portion and the second slit portion, and the object to be detected is conveyed from the first slit portion to the second slit portion;
A magnet provided on the housing, facing one surface of the object to be detected, and having different magnetic poles alternately along the transport direction;
A magnetic body that faces the other surface of the object to be detected and is arranged to face the magnet along the transport direction and generates a crossing magnetic field that is formed between the magnet and intersects the object to be detected; ,
On the side of the magnetic body facing the object to be detected, a plurality of arrays are placed in a direction orthogonal to the transport direction, have an output terminal, and are transported in the cross magnetic field. A magnetoresistive element having a magnetosensitive effect in the transport direction for outputting a change in the transport direction component of the magnetic field due to a magnetic component as a change in resistance value;
A substrate for outputting the resistance value change from the output terminal of the magnetoresistive element to the outside from the connection pad;
An electrical connection means for electrically connecting the connection pad of the substrate and the output terminal of the magnetoresistive element ;
The said magnetoresistive effect element is a magnetic sensor apparatus which is biased to the any side of the said conveyance direction from the center of the said conveyance direction of the said magnet .
この筐体の一方の側壁に読取り幅に亘って被検知物を挿入する細長の第１のスリット部と、
この第１のスリット部に対向する前記筐体の他方の側壁に前記第１のスリット部に平行して配置した前記被検知物を排出する第２のスリット部と、
前記第１のスリット部と前記第２のスリット部と接続され前記被検知物が前記第１のスリット部から前記第２のスリット部へ搬送される中空部と、
前記筐体に設けられ、前記被検知物の一方の面に面し、搬送方向に沿って所定の長さの磁極を有する磁石と、
前記被検知物の他方の面に面し、前記搬送方向に沿って前記磁石と対向して配置され、前記磁石との間で形成され前記被検知物に交差する交差磁界を生成する磁性体と、
この磁性体の前記被検知物に面した側に、前記搬送方向と直交する方向に複数個アレイ状に載置され、出力端子を有し、前記交差磁界内を搬送される前記被検知物の磁気成分による前記磁界の前記搬送方向成分の変化を抵抗値の変化として出力する前記搬送方向に感磁作用を有する磁気抵抗効果素子と、
この磁気抵抗効果素子の出力端子からの抵抗値変化を接続パッドから外部に出力する基板と、
この基板の接続パッドと前記磁気抵抗効果素子の出力端子とを電気接続する電気接続手段とを備え、
前記磁気抵抗効果素子は、前記磁石の前記搬送方向の中心から、前記搬送方向のいずれかの側に偏っている磁気センサ装置。 A housing,
An elongated first slit portion for inserting an object to be detected over a reading width on one side wall of the housing;
A second slit portion for discharging the detected object disposed in parallel with the first slit portion on the other side wall of the casing facing the first slit portion;
A hollow portion connected to the first slit portion and the second slit portion, and the object to be detected is conveyed from the first slit portion to the second slit portion;
A magnet provided on the housing, facing one surface of the object to be detected, and having a magnetic pole having a predetermined length along a conveying direction;
A magnetic body that faces the other surface of the object to be detected and is arranged to face the magnet along the transport direction and generates a crossing magnetic field that is formed between the magnet and intersects the object to be detected; ,
On the side of the magnetic body facing the object to be detected, a plurality of arrays mounted in a direction orthogonal to the transport direction, having an output terminal, and transported in the crossing magnetic field A magnetoresistive element having a magnetosensitive effect in the transport direction for outputting a change in the transport direction component of the magnetic field due to a magnetic component as a change in resistance value;
A substrate for outputting the resistance value change from the output terminal of the magnetoresistive element to the outside from the connection pad;
An electrical connection means for electrically connecting the connection pad of the substrate and the output terminal of the magnetoresistive element;
The said magnetoresistive effect element is a magnetic sensor apparatus which is biased to the any side of the said conveyance direction from the center of the said conveyance direction of the said magnet .
前記磁気抵抗効果素子は、前記ヨークと対向し、前記搬送方向に沿って、前記磁石側の前記ヨークの端部よりも前記ヨーク側の位置から、前記磁石側の前記ヨークの端部と反対側の前記ヨークの端部までの範囲に、前記磁気抵抗効果素子が配置されることを特徴とする請求項１又は請求項３に記載の磁気センサ装置。 The magnet has a yoke disposed on a side surface along a facing direction in which the magnet and the magnetic body face each other.
The magnetoresistive element is opposed to the yoke end on the magnet side from a position on the yoke side with respect to the magnet side end along the transport direction. The magnetic sensor device according to claim 1 , wherein the magnetoresistive effect element is arranged in a range up to an end of the yoke .
前記搬送方向に沿って、前記磁石側の前記ヨークの端部と反対側の前記ヨークの端部から、前記磁石に対して前記ヨークの外側に、前記磁気抵抗効果素子が配置されることを特徴とする請求項１又は請求項３に記載の磁気センサ装置。The magnetoresistive element is arranged outside the yoke with respect to the magnet from the end of the yoke opposite to the end of the yoke on the magnet side along the transport direction. The magnetic sensor device according to claim 1 or 3.
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012088502A JP5799882B2 (en) | 2012-04-09 | 2012-04-09 | Magnetic sensor device |
| EP13776071.6A EP2837947A4 (en) | 2012-04-09 | 2013-04-02 | Magnetic sensor |
| KR1020147026377A KR20140133876A (en) | 2012-04-09 | 2013-04-02 | Magnetic sensor |
| US14/391,299 US9279866B2 (en) | 2012-04-09 | 2013-04-02 | Magnetic sensor |
| PCT/JP2013/060028 WO2013153986A1 (en) | 2012-04-09 | 2013-04-02 | Magnetic sensor |
| CN201380019119.7A CN104204835B (en) | 2012-04-09 | 2013-04-02 | Magnetic sensor |
| RU2014145023A RU2014145023A (en) | 2012-04-09 | 2013-04-02 | MAGNETIC SENSOR |
| CA 2869294 CA2869294A1 (en) | 2012-04-09 | 2013-04-02 | Magnetic sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012088502A JP5799882B2 (en) | 2012-04-09 | 2012-04-09 | Magnetic sensor device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2013217768A JP2013217768A (en) | 2013-10-24 |
| JP2013217768A5 true JP2013217768A5 (en) | 2014-08-14 |
| JP5799882B2 JP5799882B2 (en) | 2015-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012088502A Active JP5799882B2 (en) | 2012-04-09 | 2012-04-09 | Magnetic sensor device |
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| Country | Link |
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| JP (1) | JP5799882B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6075225B2 (en) * | 2013-06-25 | 2017-02-08 | 三菱電機株式会社 | Magnetic sensor device |
| JP6293272B2 (en) * | 2014-06-11 | 2018-03-14 | 三菱電機株式会社 | Magnetic sensor device |
| JP6315802B2 (en) * | 2014-07-07 | 2018-04-25 | 株式会社ヴィーネックス | Magnetic sensor device |
| JP2016095138A (en) * | 2014-11-12 | 2016-05-26 | Tdk株式会社 | Magnetic sensor |
| CN114089232B (en) * | 2021-11-25 | 2022-08-09 | 西安电子科技大学 | Magnetic field sensor and magnetic field measuring method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4518919A (en) * | 1981-01-16 | 1985-05-21 | Tokyo Shibaura Denki Kabushiki Kaisha | Detecting device for detecting a magnetic strip embedded in a sheet |
| JP3321852B2 (en) * | 1992-09-28 | 2002-09-09 | 株式会社村田製作所 | Magnetic sensor device |
| JPH07210833A (en) * | 1994-01-11 | 1995-08-11 | Murata Mfg Co Ltd | Magnetic sensor device |
| JP4867391B2 (en) * | 2006-02-24 | 2012-02-01 | 富士電機リテイルシステムズ株式会社 | Paper sheet identification sensor |
| JP5242698B2 (en) * | 2008-11-10 | 2013-07-24 | グローリー株式会社 | Magnetic quality detection device |
| WO2012015012A1 (en) * | 2010-07-30 | 2012-02-02 | 三菱電機株式会社 | Magnetic sensor device |
| JP5979214B2 (en) * | 2012-02-13 | 2016-08-24 | 株式会社村田製作所 | Magnetic sensor device |
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