KR930013755A - 오프셋 보상 호올 센서 - Google Patents

오프셋 보상 호올 센서 Download PDF

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Publication number
KR930013755A
KR930013755A KR1019920024583A KR920024583A KR930013755A KR 930013755 A KR930013755 A KR 930013755A KR 1019920024583 A KR1019920024583 A KR 1019920024583A KR 920024583 A KR920024583 A KR 920024583A KR 930013755 A KR930013755 A KR 930013755A
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hool
cells
offset
sensor
voltage
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KR100202774B1 (ko
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메르가테 소엔케
베로쎄펠데 로타르
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베. 베르도울드 베. 자우어
도이취 아이티티 인더스트리스 게젤샤프트 미트 베쉬랭크터 하프퉁
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/07—Hall effect devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Hall/Mr Elements (AREA)
  • Measuring Magnetic Variables (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Secondary Cells (AREA)

Abstract

개선된 오프셋 보상을 위해 호올 센서는 호올 검출기 공급 전류 및 호올 전압탭을 직각으로 스위칭 하는 장치(f)가 제공된다. 가산 장치는 제1 및 제2사전 보상 호올 전압값(h1,h2)에서 오프셋 보상 호울, 전압값(h0)을 결정한다. 상기 호울 전압값(h1,h2)은 외형상 동일하고 직각으로 스위치 가능한 오프셋 전압 보상을 위해 최소한 제1 및 제2호를 전지(e1,e2)를 포함하는 호올 검출기(hd)에 의해 형성된다. 상기 제1 및 제2호올 전지의 외형 결합정위는 0°와 180°와 다른 각을 포함한다.

Description

오프셋 보상 호올 센서
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 사전 보상된 호올 검출기를 제1직교 위치로 나타낸 도면.
제2도는 사전 보상된 호올 검출기를 제2직교 위치로 나타낸 도면.
제3도는 모놀리식 집적 호올 센서의 필수 분기 회로를 나타낸 도면.
제4도는 전원 장치가 측정 접점으로부터 분리된 호올 전지를 나타내는 도면.
제6도는 단일 호올 전지의 등가 브리지 회로도.

Claims (10)

  1. 호올 전압 측정을 위해 제1 및 제2직교 위치내에 호올 검출기(hd)의 결합 구조가 동일하고, 상기 호올 검출기의 공급 전류 및 호올 전압탭을 직각으로 스위칭하는 장치(f)와;제1 및 제2호올 전압값(h1,h2)을 공급하여 오프셋 보상 호올 전압값(hO)을 형성하는 가산 장치를 구비하는 오프셋 보상 호올 센서에 있어서, 상기 호올 검출기(hd)는 적어도 제1 및 제2호올 전지(e1,e2)를 포함하고; 상기 제1 및 제2호올 전지(e1,e2)는 외형적으로 동일하며, 공통기판상에 기술적, 열적, 공간적으로 밀접하게 결합되고, 각각 직각으로 스위치 가능하며; 상기 제1호올 전압값(h1)은 제1직교 위치내에 상기 제1 및 제2호올 전지(e1,e2)각각의 호올 전압(v11,v21)의 합이거나 병렬 스위칭 값이며: 제1직교 위치내에서 사익 제1 및 제2호올 전지(e1,e2)의 외형 결합 정위가 호올 전지공급 전류(i1,i2)의 방향과 관련하여 외형 결합 정위를 갖는 제2직교 위치내에서 90°회전되는 0°또는 180°와 상이한 각을 갖는 것을 특징으로 하는 오프셋 보상 호올 센서.
  2. 제1항에 있어서, 상기 호올 전지(e1,e2), 계산 장치(m) 및 호올 검출기 공급전류를 작각으로 스위칭하는 장치(f)는 공통 반도체 표면상에 집적되는 것을 특징으로 하는 오프셋 보상 호올 센서.
  3. 제2항에 있어서, 상기 호올 전압(v11,v21;v12,v22) 또는 상기 제1 및 제2호올 전압값(h1,h2)은 아날로그 디지탈 변환기(c)에 의해 숫자화 되고, 상기 가산 장치는 디지탈 가산기(ad)를 구비하는 것을 특징으로 하는 오프셋 보상 호울센서.
  4. 제2항에 있어서, 상기 호올 전지(e1,e2)는 확산되거나 주입되는 영역에 의해 반도체 표면 내부 또는 그위에 형성되는 것을 특징으로 하는 오프셋 보상 호올 센서.
  5. 제2항에 있어서, 상기 호올 전지(e1,e2)는 게이트 전극에 의해 생성되거나 유도되는 역전층에 의해 상기 반도체 표면상에 형성되는 것을 특징으로 하는 오프셋 보상 호울센서.
  6. 제2항에 있어서, 상기 호올 전지(e1,e2)는 반도체 표면상에, 특히 스퍼터링 또는 화학 중착에 의해 중착되는 얇은층으로 구성되는 것을 특징으로 하는 오프셋 보상 호울센서.
  7. 제2항에 있어서, 상기 호올 전지(e1,e2)는는 측정 접점으로부터 분리되는 공급 전류 주입 및 공급 전류 충돌장치에 결합되는 것을 특징으로 하는 오프셋 보상 호올 센서.
  8. 제7항에 있어서, 상기 전류는 각각의 호올 전지(e1,e2)의 저항 영역인 MOS트랜지스터 각각의 하나의 전극을 통해 상기 호올 전지(e1,e2)내로 비접촉 가능하게 주입되고, 또한 상기 전지로 부터 꺼낼 수 있는 것을 특징으로 하는 오프셋 보상 호올 센서.
  9. 제2항에 있어서, 상기 호올 전지(e1,e2)와 기술적 및 열적으로 결합되는 정전류원(q)은 상기 호올 전지(e1,e2)에 공급하는 온도 독립 정전류를 발생시키며, 상기 정전류 값은 동작 영역에 있는 기준 온도(To)로 상기 호올 전지의 시이트 비저항(Rsq)에 반비례 하는 것을 특징으로 하는 오프셋 보상 호올 센서.
  10. 제1항에 있어서, 상기 제1 및 제2호올 전지(e1,e2)와 병렬 결합되고, 오프셋 전압 사전 보상을 위해 외형상 동일하며, 직각으로 스위치 가능한 호올 전지(e3,e4)를 추가로 포함하는 것을 특징으로 하는 오프셋 보상 호올센서.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920024583A 1991-12-21 1992-12-17 오프셋 보상 호올 센서 Expired - Lifetime KR100202774B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE91122046.5 1991-12-21
EP91122046.5 1991-12-21
EP91122046A EP0548391B1 (de) 1991-12-21 1991-12-21 Offsetkompensierter Hallsensor

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KR930013755A true KR930013755A (ko) 1993-07-22
KR100202774B1 KR100202774B1 (ko) 1999-06-15

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US (1) US5406202A (ko)
EP (1) EP0548391B1 (ko)
JP (1) JP3108738B2 (ko)
KR (1) KR100202774B1 (ko)
DE (1) DE59108800D1 (ko)

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US5406202A (en) 1995-04-11
KR100202774B1 (ko) 1999-06-15
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JPH0611556A (ja) 1994-01-21
JP3108738B2 (ja) 2000-11-13
EP0548391A1 (de) 1993-06-30

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