KR100642837B1 - 도전율 및 전류밀도의 3차원 영상화 방법 및 그를 위한시스템 - Google Patents
도전율 및 전류밀도의 3차원 영상화 방법 및 그를 위한시스템 Download PDFInfo
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- KR100642837B1 KR100642837B1 KR1020030001622A KR20030001622A KR100642837B1 KR 100642837 B1 KR100642837 B1 KR 100642837B1 KR 1020030001622 A KR1020030001622 A KR 1020030001622A KR 20030001622 A KR20030001622 A KR 20030001622A KR 100642837 B1 KR100642837 B1 KR 100642837B1
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- conductivity
- current
- imaging
- calculated
- current density
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/04—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices according to size
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/14—Details or accessories
- B07B13/16—Feed or discharge arrangements
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- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
Description
Claims (19)
- 제 1 항에 있어서, 상기 전류주입수단에,적어도 두 방향으로 전류(g1, g2)를 각각 주입시키기 위한 적어도 두 개의 전극 쌍과, 각 전극까지 전류가 흘러가는 라인들이 구비되는 것을 특징으로 하는 도전율 및 전류밀도의 3차원 영상화 시스템.
- 제 2 항에 있어서, 상기 라인들이 상기 MRI 장치의 주자장(main magnetic field)과 동일한 방향으로 설치되는 것을 특징으로 하는 도전율 및 전류밀도의 3차 원 영상화 시스템.
- 제 2 항에 있어서, 상기 각 전극이 절연용기의 일측면에 부착되고, 상기 전극으로부터 거의 균일한 전류가 상기 절연용기 내에 흐르도록 상기 절연용기의 내부측에 전해질이 삽입되는 것을 특징으로 하는 도전율 및 전류밀도의 3차원 영상화 시스템.
- 제 8 항에 있어서, 상기 영상화 알고리즘 블록에서 계산된 도전율을 영상으로 표출시키기 위한 디스플레이수단이 상기 영상화수단에 더 구비되는 것을 특징이로 하는 도전율 및 전류밀도의 3차원 영상화 시스템.
- 제 10 항에 있어서, 상기 영상화 알고리즘 블록에서 계산된 전류밀도들을 영상으로 표출시키기 위한 디스플레이수단이 상기 영상화수단에 더 구비되는 것을 특징이로 하는 도전율 및 전류밀도의 3차원 영상화 시스템.
- 서로 다른 방향의 각 주입 전류에 의해 유도된 자속밀도의 한 방향 성분 값들을 각각 측정하여 출력시키는 MRI 장치가 구비된 시스템를 사용하여 측정대상의 전기적 특성을 영상화하는 방법이,상기 측정된 도전율에 대응되는 3차원 영상을 표출시키는 (B)단계로 이루어지는 것을 특징으로 하는 도전율 및 전류밀도의 3차원 영상화 방법.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030001622A KR100642837B1 (ko) | 2003-01-10 | 2003-01-10 | 도전율 및 전류밀도의 3차원 영상화 방법 및 그를 위한시스템 |
AU2003285798A AU2003285798A1 (en) | 2003-01-10 | 2003-12-24 | System and method for three-dimensional visualization of conductivity and current density distribution in electrically conducting object |
EP03779003A EP1581110B1 (en) | 2003-01-10 | 2003-12-24 | System and method for three-dimensional visualization of conductivity and current density distribution in electrically conducting object |
PCT/KR2003/002825 WO2004062464A2 (en) | 2003-01-10 | 2003-12-24 | System and method for three-dimensional visualization of conductivity and current density distribution in electrically conducting object |
US10/541,719 US7440796B2 (en) | 2003-01-10 | 2003-12-24 | System and method for three-dimensional visualization of conductivity and current density distribution in electrically conducting object |
DE60313218T DE60313218T2 (de) | 2003-01-10 | 2003-12-24 | System und verfahren zur dreidimensionalen visualisierung der leitfähigkeit und stromdichteverteilung in einem elektrisch leitenden objekt |
Applications Claiming Priority (1)
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KR1020030001622A KR100642837B1 (ko) | 2003-01-10 | 2003-01-10 | 도전율 및 전류밀도의 3차원 영상화 방법 및 그를 위한시스템 |
Publications (2)
Publication Number | Publication Date |
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KR20040064776A KR20040064776A (ko) | 2004-07-21 |
KR100642837B1 true KR100642837B1 (ko) | 2006-11-10 |
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KR1020030001622A KR100642837B1 (ko) | 2003-01-10 | 2003-01-10 | 도전율 및 전류밀도의 3차원 영상화 방법 및 그를 위한시스템 |
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- 2003-01-10 KR KR1020030001622A patent/KR100642837B1/ko not_active IP Right Cessation
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KR20040064776A (ko) | 2004-07-21 |
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