KR20090031846A - 스펙클 네비게이션 시스템 - Google Patents
스펙클 네비게이션 시스템 Download PDFInfo
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- KR20090031846A KR20090031846A KR1020087017715A KR20087017715A KR20090031846A KR 20090031846 A KR20090031846 A KR 20090031846A KR 1020087017715 A KR1020087017715 A KR 1020087017715A KR 20087017715 A KR20087017715 A KR 20087017715A KR 20090031846 A KR20090031846 A KR 20090031846A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/0304—Detection arrangements using opto-electronic means
- G06F3/0317—Detection arrangements using opto-electronic means in co-operation with a patterned surface, e.g. absolute position or relative movement detection for an optical mouse or pen positioned with respect to a coded surface
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/08—Cursor circuits
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- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Computer Hardware Design (AREA)
- Position Input By Displaying (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Description
Claims (20)
- 표면의 연속된 화상들에서 광 스펙클(speckle)의 변위를 결정함으로써 데이터 입력 장치와 표면 사이의 상대적인 움직임을 감지하기 위한 레이저 포지셔닝 장치(laser positioning device)로서,평면 기판;상기 평면 기판 위에 구성된 가간섭성 광원;상기 평면 기판 위에 구성된 센서 어레이 및 관련 회로; 및상기 가간섭성 광원과 상기 표면 사이에 배치된 시준 렌즈(collimating lens)를 포함하는 레이저 포지셔닝 장치.
- 제1항에 있어서,상기 시준 렌즈는,a) 상기 평면 기판을 커버하는 투명한 밀봉제 부분;b) 상기 평면 기판을 커버하는 몰드된 투명한 플라스틱 부분; 또는c) 상기 평면 기판을 커버하는 패키지로 꽂아지는 소형 렌즈중의 하나로서 구현되는 레이저 포지셔닝 장치.
- 제1항에 있어서,리프트(lift) 검출을 위해 불투명한 에지를 더 포함하는 레이저 포지셔닝 장치.
- 제3항에 있어서,상기 장치가 상기 평면 기판 위로 미리 결정된 높이보다 많이 상승되는 경우, 상기 센서 어레이의 시야각으로부터 상기 평면 기판의 조명된 부분을 차단하도록 상기 에지가 배치되는 레이저 포지셔닝 장치.
- 제1항에 있어서,상기 시준 렌즈는 가간섭성 광원으로부터 가간섭성 광을 수신하고 상기 표면에 대해 수직각 또는 그 수직각 근방으로 상기 표면에 전송되는 시준된 조명광을 제공하도록 구성된 레이저 포지셔닝 장치.
- 제5항에 있어서,상기 시준된 조명광의 동위상 파면(phase front)의 균일도에 의해, 상기 평면 기판과 상기 표면 사이의 작은 횡변위는 최소의 보일링을 갖는 스펙클 패턴의 시프트로 귀결되는 레이저 포지셔닝 장치.
- 제1항에 있어서,상기 센서 어레이는 2차원 빗살 어레이를 포함하는 레이저 포지셔닝 장치.
- 제7항에 있어서,상기 빗살 어레이는 수광 렌즈를 사용하지 않고 상기 표면의 화상을 형성하는 광을 수신하는 레이저 포지셔닝 장치.
- 제8항에 있어서,상기 시준된 조명광의 미리 결정된 직경 D는 식 D=(hλ)/(ξΛcos2θ)를 만족하며, h는 상기 평면 기판으로부터 상기 표면까지의 높이이고, λ는 상기 가간섭성 광의 파장이고, ξ는 0.25 와 0.5 사이의 분수이고, Λ는 상기 빗살 어레이의 주기이고, θ는 상기 센서의 한 지점으로부터 나온 상기 빔에 대한 각도인 레이저 포지셔닝 장치.
- 제9항에 있어서,상기 시준된 조명광의 상기 미리 결정된 직경에 의해, 상기 표면에서의 스펙클 크기는 상기 빗살 어레이의 주기에 매칭되는 레이저 포지셔닝 장치.
- 표면의 연속하는 화상들에서 광학 피쳐들의 변위를 결정함으로써 데이터 입력 장치와 표면 사이의 상대적인 움직임을 감지하는 방법으로서,레이저로부터 가간섭성 광을 방출하는 단계;미리 결정된 직경 D를 갖는 시준된 조명광을 형성하도록 상기 가간섭성 광을 시준하고 상기 표면에 대해 수직각으로 상기 표면에 전송되는 단계;상기 시준된 조명광으로부터 나온 상기 가간섭성 광의 상기 표면상의 충돌에 의해 스펙클 패턴을 발생하는 단계; 및센서 어레이를 사용하여 상기 표면의 상기 화상들을 검출하는 단계를 포함하는 방법.
- 제11항에 있어서,리프트 검출을 위해 불투명한 에지를 사용하는 단계를 더 포함하는 방법.
- 제11항에 있어서,상기 시준된 조명광의 실질적으로 균일한 동위상 파면에 의해, 상기 평면 기판과 상기 표면 사이의 작은 횡변위는 스펙클 패턴의 시프트로 귀결되는 방법.
- 제11항에 있어서,상기 센서 어레이는 빗살 어레이를 포함하는 방법.
- 제14항에 있어서,상기 빗살 어레이는 결상 렌즈 또는 수광 렌즈를 사용하지 않고 상기 표면에 직접 결상하는 방법.
- 제14항에 있어서,상기 레이저와 상기 센서 어레이는 모두 상기 표면에 평행하게 위치하도록 구성된 동일한 평면 기판 위에 구성되는 방법.
- 제16항에 있어서,상기 시준된 조명광의 상기 미리 결정된 직경 D는 식 D=(hλ)/(ξΛcos2θ)를 만족하며, h는 상기 평면 기판으로부터 상기 표면까지의 높이이고, λ는 상기 가간섭성 광의 파장이고, ξ는 0.25 와 0.5 사이의 분수이고, Λ는 상기 빗살 어레이의 주기이고, θ는 상기 센서의 한 지점으로부터 나온 상기 빔에 대한 각도인 방법.
- 제14항에 있어서,상기 시준된 조명광의 상기 미리 결정된 직경에 의해, 상기 표면에서의 스펙클 크기는 상기 빗살 어레이의 주기에 매칭되는 방법.
- 스펙클 네비게이션 시스템으로서,가간섭성 광을 방출하기 위한 수단;표면에 수직각으로 상기 표면으로 전송되는, 미리 결정된 직경 D를 갖는 시 준된 조명광을 형성하도록 상기 가간섭성 광을 시준하기 위한 수단;상기 시준된 조명광으로부터의 상기 가간섭성 광의 상기 표면상의 충돌에 의해 스펙클 패턴을 발생하기 위한 수단; 및센서 어레이를 사용하여 상기 표면의 화상을 검출하기 위한 수단을 포함하는 스펙클 네비게이션 시스템.
- 제19항에 있어서,리프트 검출을 위한 불투명한 에지의 사용을 더 포함하는 스펙클 네비게이션 시스템.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US11/313,133 US7737948B2 (en) | 2005-12-20 | 2005-12-20 | Speckle navigation system |
US11/313,133 | 2005-12-20 | ||
PCT/US2006/047802 WO2007075367A2 (en) | 2005-12-20 | 2006-12-14 | Speckle navigation system |
Publications (2)
Publication Number | Publication Date |
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KR20090031846A true KR20090031846A (ko) | 2009-03-30 |
KR101390438B1 KR101390438B1 (ko) | 2014-04-30 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020087017715A KR101390438B1 (ko) | 2005-12-20 | 2006-12-14 | 스펙클 네비게이션 시스템 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7737948B2 (ko) |
EP (1) | EP1964102A2 (ko) |
JP (1) | JP2009520988A (ko) |
KR (1) | KR101390438B1 (ko) |
CN (1) | CN101473366B (ko) |
WO (1) | WO2007075367A2 (ko) |
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2005
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- 2006-12-14 CN CN2006800531343A patent/CN101473366B/zh not_active Expired - Fee Related
- 2006-12-14 EP EP06839378A patent/EP1964102A2/en not_active Withdrawn
- 2006-12-14 KR KR1020087017715A patent/KR101390438B1/ko active IP Right Grant
- 2006-12-14 WO PCT/US2006/047802 patent/WO2007075367A2/en active Application Filing
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KR20170009085A (ko) * | 2015-07-15 | 2017-01-25 | 삼성전자주식회사 | 레이저 스펙클 대조도 이미징 시스템 및 방법, 이를 적용한 장치 |
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US20070139381A1 (en) | 2007-06-21 |
JP2009520988A (ja) | 2009-05-28 |
US7737948B2 (en) | 2010-06-15 |
CN101473366A (zh) | 2009-07-01 |
KR101390438B1 (ko) | 2014-04-30 |
WO2007075367A3 (en) | 2008-04-24 |
EP1964102A2 (en) | 2008-09-03 |
CN101473366B (zh) | 2011-07-27 |
WO2007075367A2 (en) | 2007-07-05 |
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