KR19990022678A - 인접 필드 효과 또는 자기 효과를 사용하여 대상물의 근접 또는위치를 감지하기 위한 방법 및 그 장치 - Google Patents
인접 필드 효과 또는 자기 효과를 사용하여 대상물의 근접 또는위치를 감지하기 위한 방법 및 그 장치 Download PDFInfo
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- KR19990022678A KR19990022678A KR1019970709119A KR19970709119A KR19990022678A KR 19990022678 A KR19990022678 A KR 19990022678A KR 1019970709119 A KR1019970709119 A KR 1019970709119A KR 19970709119 A KR19970709119 A KR 19970709119A KR 19990022678 A KR19990022678 A KR 19990022678A
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
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Abstract
Description
Claims (22)
- 자속과 높은 영역 및 낮은 영역을 가진 표면을 가진 가동 타겟의 위치를 감지하는 장치에 있어서,반대쪽의 타겟 표면의 영역에 의하여 방출된 자속 밀도를 감지하는 수단;상기 감지 수단에 응답하여 상기 감지된 자속 밀도를 위치 신호로 변환시키는 수단;상기 변환 수단에 응답하며, 상기 높은 영역의 표면 및 낮은 영역의 표면이 상기 감지 수단의 반대쪽에 배치될 때 발생되는 위치 신호에 대응하는 상한치 기준 신호와 하한치 기준 신호를 상기 위치 신호와 비교하는 수단; 및상기 비교 수단에 응답하여, 상한치 기준 신호와 하한치 기준 신호를 상기 위치 신호와 비교함으로써 타겟 위치를 결정하는 수단을 포함하는 것을 특징으로 하는 위치 감지 장치.
- 제 1항에 있어서, 상기 비교 수단은 상한치 기준 신호와 하한치 기준 신호를 결정하고 저장하는 기준 전압 검출 및 저장 회로를 포함하는 신호 조절기를 포함하는 것을 특징으로 하는 위치 감지 장치.
- 제 1 또는 2항에 있어서, 상기 감지 수단 및 비교 수단은 신뢰성을 향상시키기 위하여 하나로 집적된 회로 엘리먼트이며, 타겟과 마주보는 평면에서 상기 감지 수단의 표면적을 최소화하기 위하여 직각이 되도록 배치되는 것을 특징으로 하는 위치 감지 장치.
- 제 3항에 있어서, 상기 집적 회로는 타겟과 마주보는 제 1면 및 상기 제 1면의 반대쪽에 있는 제 2면을 가진 하우징을 포함하며, 상기 집적 회로는 또한 상기 하우징의 상기 제 2면에 인접하게 배치된 자기 재료를 포함하며, 상기 자기 재료는 자기 재료와 상기 감지 수단사이의 라인에 병행한 방향으로 자기적으로 차징되며, 상기 자기 재료의 자속 라인은 상기 타겟의 자속에 의하여 집속되는 것을 특징으로 하는 위치 감지 장치.
- 제 4항에 있어서, 상기 하우징의 상기 제 1면을 감싸도록 부착된 비자기 재료를 더 포함하는 것을 특징으로 하는 위치 감지 장치.
- 제 2, 3, 4 또는 5항에 있어서, 상기 상한치 기준 신호와 하한치 기준 신호의 저장은 상기 타겟이 저속으로 이동할 때 및 휴지상태에 있을 때를 타겟 위치가 결정되도록 하는 것을 특징으로 하는 위치 감지 장치.
- 제 1, 2, 3, 4, 5, 또는 6항에 있어서, 상기 타겟의 회전 방향을 결정하기 위한 타겟 위치 시퀀스를 비교하는 수단 및 상기 타겟의 회전 속도를 결정하기 위한 타겟 위치 시퀀스의 시간을 조정하는 수단을 더 포함하는 것을 특징으로 하는 위치 감지 장치.
- 무선 주파수 에너지를 형성하는 수단을 포함하며, 높은 영역과 낮은 영역을 가진 전도 표면을 가진 가동 타겟의 위치를 검출하는 전자기 장치에 있어서,상기 무선 주파수 에너지 형성 수단에 연결되며, 임피던스를 가지며, 마주보는 타겟 표면의 영역 쪽으로 무선 주파수 에너지를 방출하는 안테나 수단을 포함하는데, 상기 타겟 표면은 타겟 표면이 상기 안테나 수단의 인접 필드에 있을 때 상기 안테나 수단의 임피던스를 변화시키며;상기 안테나 수단에 응답하여 상기 안테나 수단의 임피던스값을 검출하는 수단;상기 검출수단에 응답하여 상기 검출된 안테나 수단의 임피던스를 위치 신호로 변환시키는 수단;상기 변환 수단에 응답하며, 상기 높은 영역의 표면 및 낮은 영역의 표면이 상기 감지 수단의 반대쪽에 배치될 때 발생되는 위치 신호에 대응하는 상한치 기준 신호와 하한치 기준 신호를 상기 위치 신호와 비교하는 수단; 및상기 비교 수단에 응답하여, 상한치 기준 신호와 하한치 기준 신호를 상기 위치 신호와 비교함으로써 타겟 위치를 결정하는 수단을 포함하는 것을 특징으로 하는 전자기 장치.
- 제 8항에 있어서, 상기 검출 수단은 방향성 커플러 및 상기 방향성 커플러에 연결된 신호 검출기를 포함하는 것을 특징으로 하는 전자기 장치.
- 제 8 또는 9항에 있어서, 상기 검출 수단은 상기 타겟으로부터 반사된 무선 주파수 에너지의 진폭의 검출에 따른 임피던스 변화를 검출하는 것을 특징으로 하는 전자기 장치.
- 제 8, 9 또는 10항에 있어서, 개구를 가지며 상기 타겟에 인접하게 배치된 하우징 벽으로 안테나 수단을 설치하는 수단을 더 포함하는 것을 특징으로 하는 전자기 장치.
- 제 11항에 있어서, 상기 설치 수단은:상기 안테나 수단을 감싸도록 배치되고, 개방된 원위 단부와 개방된 인접 단부를 가진 튜브;상기 튜브의 원위 단부에 밀봉되도록 부착되고 마이크로파 및 밀리파 에너지를 투과시키는 세라믹 캡;상기 튜브의 인접 단부에 부착되며, 원위 가시 영역 및 상기 원위 영역보다 큰 인접 영역을 가진 센서 커넥터 몸체; 및삽입되었을 때 상기 하우징 벽의 개구에 의하여 밀봉되는 크기의 외경을 가지며 상기 가시 영역이 삽입될 때 상기 센서 커넥터 몸체의 가시 영역을 밀봉되도록 감싸는 크기를 가진 개구를 가진 가요성 플러그를 포함하며,사용할 때, 상기 가요성 플러그는 상기 하우징 벽의 개구에 삽입되며, 상기 안테나 수단은 상기 세라믹 캡의 원위 팁에 충분히 도달하도록 상기 튜브의 원위 단부로 삽입되며, 상기 세라믹 캡 및 튜브는 상기 플러그의 개구를 통하여 삽입되며, 상기 센서 커넥터 몸체의 가시 영역은 상기 센서 커넥터 몸체가 상기 플러그의 원위 표면에 대하여 충분히 밀봉되도록 배치되는 플러그의 개구로 삽입되며, 상기 센서 커넥터 몸체의 원위 영역은 상기 하우징 벽의 원위면 위에 남아있는 것을 특징으로 하는 전자기 장치.
- 타겟 위치를 감지하는 방법에 있어서,임피던스를 가진 안테나에 의하여 무선 주파수 에너지를 방출하는 단계;임피던스가 인접 필드 효과에 의하여 상기 타겟 위치 변화에 따라 변하는 안테나에 인접하도록 상기 타겟을 이동시키는 단계;상기 타겟 위치 변화에 응답하여 상기 안테나의 임피던스 변화를 검출하는 단계; 및안테나 임피던스 변화에 응답하여 상기 타겟 위치가 변화하는 것을 나타내는 신호를 제공하는 단계를 포함하는 것을 특징으로 하는 타겟 위치를 감지하는 방법.
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- 제 21항에 있어서,상기 타겟의 평균 최대 이동을 나타내는 신호를 제공하는 단계;상기 위치 신호와 상기 최대 이동 신호를 비교하는 단계; 및상기 최대 이동 신호에 대하여 미리 설정한 레벨에 도달할 때, 상기 타겟이 미리 설정한 간격에 도달하였다는 것을 나타내는 신호를 제공하는 단계를 더 포함하는 것을 특징으로 하는 타겟 위치를 감지하는 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/471,192 US5670886A (en) | 1991-05-22 | 1995-06-07 | Method and apparatus for sensing proximity or position of an object using near-field effects |
US8/471192 | 1995-06-07 |
Publications (1)
Publication Number | Publication Date |
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KR19990022678A true KR19990022678A (ko) | 1999-03-25 |
Family
ID=23870626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1019970709119A Ceased KR19990022678A (ko) | 1995-06-07 | 1996-06-06 | 인접 필드 효과 또는 자기 효과를 사용하여 대상물의 근접 또는위치를 감지하기 위한 방법 및 그 장치 |
Country Status (7)
Country | Link |
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US (1) | US5670886A (ko) |
EP (2) | EP0880679B1 (ko) |
JP (1) | JPH11507132A (ko) |
KR (1) | KR19990022678A (ko) |
AU (1) | AU701854B2 (ko) |
DE (1) | DE69624142T2 (ko) |
WO (1) | WO1996041134A2 (ko) |
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- 1996-06-06 DE DE69624142T patent/DE69624142T2/de not_active Expired - Fee Related
- 1996-06-06 KR KR1019970709119A patent/KR19990022678A/ko not_active Ceased
- 1996-06-06 AU AU72346/96A patent/AU701854B2/en not_active Ceased
- 1996-06-06 JP JP9501491A patent/JPH11507132A/ja active Pending
- 1996-06-06 EP EP01203046A patent/EP1164357A2/en not_active Withdrawn
- 1996-06-06 WO PCT/US1996/009087 patent/WO1996041134A2/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP1164357A2 (en) | 2001-12-19 |
JPH11507132A (ja) | 1999-06-22 |
WO1996041134A3 (en) | 1997-02-06 |
DE69624142D1 (de) | 2002-11-07 |
EP0880679A2 (en) | 1998-12-02 |
EP0880679B1 (en) | 2002-10-02 |
AU7234696A (en) | 1996-12-30 |
WO1996041134A2 (en) | 1996-12-19 |
AU701854B2 (en) | 1999-02-04 |
DE69624142T2 (de) | 2003-06-05 |
US5670886A (en) | 1997-09-23 |
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