METAL DETECTOR
To provide a metal detector capable of improving the S/N ratio to noises caused by disturbance.SOLUTION: The metal detector includes: a magnet 20 that magnetizes metal foreign matters included in an inspection object or creates a magnetic field in a space through which the inspection object passes;...
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| Main Authors | , |
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| Format | Patent |
| Language | English Japanese |
| Published |
27.06.2022
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| Subjects | |
| Online Access | Get full text |
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| Abstract | To provide a metal detector capable of improving the S/N ratio to noises caused by disturbance.SOLUTION: The metal detector includes: a magnet 20 that magnetizes metal foreign matters included in an inspection object or creates a magnetic field in a space through which the inspection object passes; and a detection unit 30 that has a plurality of coils 32 opposing the magnet 20 across a hollow part 12, where the inspection object moves, and induces an electromotive force generated by the change of magnetic flux density due to metal foreign matter. The detection unit 30 has the coils 32 placed in a direction orthogonal to the moving direction of the inspection object.SELECTED DRAWING: Figure 1
【課題】外乱によるノイズに対するＳ／Ｎ比を改善した金属検出機を提供する。【解決手段】金属検出機は、検査物に含まれる金属異物を帯磁させ、又は前記検査物が通過する空間に磁場を生じさせる磁石２０と、前記検査物が移動する中空部１２を挟んで前記磁石２０と対向し、前記金属異物による磁束密度の変化による誘導起電力を発生するコイル３２を有する検知部３０を備えた金属検出機において、前記検知部３０は、前記コイル３２を前記検査物の移動方向と直交する方向に複数重ねて配置したことを特徴としている。【選択図】図１ |
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| AbstractList | To provide a metal detector capable of improving the S/N ratio to noises caused by disturbance.SOLUTION: The metal detector includes: a magnet 20 that magnetizes metal foreign matters included in an inspection object or creates a magnetic field in a space through which the inspection object passes; and a detection unit 30 that has a plurality of coils 32 opposing the magnet 20 across a hollow part 12, where the inspection object moves, and induces an electromotive force generated by the change of magnetic flux density due to metal foreign matter. The detection unit 30 has the coils 32 placed in a direction orthogonal to the moving direction of the inspection object.SELECTED DRAWING: Figure 1
【課題】外乱によるノイズに対するＳ／Ｎ比を改善した金属検出機を提供する。【解決手段】金属検出機は、検査物に含まれる金属異物を帯磁させ、又は前記検査物が通過する空間に磁場を生じさせる磁石２０と、前記検査物が移動する中空部１２を挟んで前記磁石２０と対向し、前記金属異物による磁束密度の変化による誘導起電力を発生するコイル３２を有する検知部３０を備えた金属検出機において、前記検知部３０は、前記コイル３２を前記検査物の移動方向と直交する方向に複数重ねて配置したことを特徴としている。【選択図】図１ |
| Author | TEZUKA TOSHIAKI OZAKI TORU |
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| Notes | Application Number: JP20200207513 |
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| Snippet | To provide a metal detector capable of improving the S/N ratio to noises caused by disturbance.SOLUTION: The metal detector includes: a magnet 20 that... |
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| SubjectTerms | DETECTING MASSES OR OBJECTS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING PHYSICS TESTING |
| Title | METAL DETECTOR |
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