KR100917582B1 - 비접촉식 좌표입력 시스템용 도광판을 이용한 비접촉식좌표입력 방법 - Google Patents
비접촉식 좌표입력 시스템용 도광판을 이용한 비접촉식좌표입력 방법 Download PDFInfo
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- KR100917582B1 KR100917582B1 KR1020070080493A KR20070080493A KR100917582B1 KR 100917582 B1 KR100917582 B1 KR 100917582B1 KR 1020070080493 A KR1020070080493 A KR 1020070080493A KR 20070080493 A KR20070080493 A KR 20070080493A KR 100917582 B1 KR100917582 B1 KR 100917582B1
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- Prior art keywords
- light
- sensor
- guide plate
- light guide
- coordinate input
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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
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
-
- 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
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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
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04108—Touchless 2D- digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface without distance measurement in the Z direction
Abstract
Description
A | B | C | D | E | |
X1 | 0.752 | 1.320 | 3.814 | 1.011 | 1.390 |
X2 | 3.564 | 1.037 | 0.787 | 1.339 | 1.493 |
Y1 | 0.937 | 3.849 | 1.450 | 0.778 | 1.530 |
Y2 | 1.526 | 0.688 | 0.855 | 3.735 | 1.508 |
a | b | |
X1 | 125.9 | -1.59 |
X2 | 93.4 | -1.48 |
Y1 | 132.4 | -1.60 |
Y2 | 159.1 | -1.68 |
Claims (9)
- 형광체 및 투명 기층을 포함하는 적어도 하나의 광학층을 포함하며, 평탄하고 연속적인 표면을 갖는 비접촉식 좌표입력 시스템용 도광판에 입사되는 빛의 좌표를 입력하기 위한 방법으로서,도광판의 한 지점에 빛을 입사하는 단계;상기 입사된 빛에 의하여 도광판 내에 포함된 형광체가 빛을 발하여 2 이상의 지점에 부착된 광센서에 상기 빛이 도달하는 단계;광센서가 도달된 빛을 감지하여 도달된 빛의 강도에 따라 그에 상응하는 신호를 출력하는 단계;상기 출력된 신호를 미리 준비된 빛의 강도-거리와의 관계를 나타내는 회귀식에 대입하여 센서와 빛이 입사된 지점간의 거리를 각 센서별로 구하는 단계; 및상기 구해진 각 센서별 거리 또는 두 센서 사이의 거리의 비율이 일정한 점이 이루는 궤적이 일치하는 지점을 찾아서 그 지점의 좌표를 입사된 빛의 좌표로 하는 단계;를 포함하는 것을 특징으로 하는 좌표입력방법.
- 제 1 항에 있어서, 상기 센서의 숫자가 3 이상일 경우에, 2 센서간에 궤적이 일치하는 지점을 하나 또는 그 이상 찾은 후, 각 지점의 좌표의 평균치에 해당되는 지점을 각 센서별 거리가 이루는 궤적이 일치하는 지점으로 하는 것을 특징으로 하는 좌표입력방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 형광체는 상기 투명기층 표면에 코팅된 형태 또는 상기 투명기층 내부에 도핑된 형태로 상기 도광판에 포함되는 것을 특징으로 하는 비접촉식 좌표입력 시스템용 좌표입력방법.
- 제 3 항에 있어서, 상기 투명기층은 헤이즈(haze)가 10%이하이고, 상기 형광체의 흡수 발광파장 영역에서의 투과율이 80% 이상인 것을 특징으로 하는 비접촉식 좌표입력 시스템용 좌표입력방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 도광판의 외측에 상기 도광판에 포함된 광학층 중 가장 굴절률이 높은 광학층의 굴절률보다 굴절률이 0.05 이상 낮은 저굴절률 층을 더 포함하는 것을 특징으로 하는 비접촉식 좌표입력 시스템용 좌표입력방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 형광체는 도광판에 포함되었을 때 도광판의 헤이즈(haze)가 10% 이하가 되도록 하는 것을 특징으로 하는 비접촉식 좌표입력 시스템용 좌표입력방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 도광판에 도달한 빛을 받아 형광체가 발광한 빛을 검지하는 2 이상의 광센서가 상기 도광판의 전면, 후면 또는 측면에 부착되어 있는 것을 특징으로 하는 좌표입력방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 입사하는 빛은 점멸하는 광원에 의하여 점멸하는 형태로 입사하는 것을 특징으로 하는 좌표입력방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 도광판과 센서사이에는 형광체에서 방출하는 빛의 파장 이외의 파장을 가지는 빛을 흡수하는 필터가 설치된 것을 특징으로 하는 좌표입력방법.
Applications Claiming Priority (2)
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KR1020060075867 | 2006-08-10 | ||
KR20060075867 | 2006-08-10 |
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KR20080014682A KR20080014682A (ko) | 2008-02-14 |
KR100917582B1 true KR100917582B1 (ko) | 2009-09-15 |
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KR1020070080493A KR100917582B1 (ko) | 2006-08-10 | 2007-08-10 | 비접촉식 좌표입력 시스템용 도광판을 이용한 비접촉식좌표입력 방법 |
KR1020070080494A KR100917583B1 (ko) | 2006-08-10 | 2007-08-10 | 비접촉식 좌표입력 시스템용 도광판, 이를 포함하는 시스템및 이를 이용한 비접촉식 좌표입력 방법 |
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KR1020070080494A KR100917583B1 (ko) | 2006-08-10 | 2007-08-10 | 비접촉식 좌표입력 시스템용 도광판, 이를 포함하는 시스템및 이를 이용한 비접촉식 좌표입력 방법 |
Country Status (6)
Country | Link |
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US (1) | US8754852B2 (ko) |
JP (2) | JP2009545056A (ko) |
KR (2) | KR100917582B1 (ko) |
CN (1) | CN101484867B (ko) |
TW (1) | TWI381297B (ko) |
WO (1) | WO2008018768A1 (ko) |
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TWI381297B (zh) | 2013-01-01 |
WO2008018768A9 (en) | 2008-11-20 |
US8754852B2 (en) | 2014-06-17 |
CN101484867A (zh) | 2009-07-15 |
KR100917583B1 (ko) | 2009-09-15 |
KR20080014683A (ko) | 2008-02-14 |
US20090322677A1 (en) | 2009-12-31 |
WO2008018768A1 (en) | 2008-02-14 |
JP2012138105A (ja) | 2012-07-19 |
CN101484867B (zh) | 2013-03-27 |
JP2009545056A (ja) | 2009-12-17 |
TW200820054A (en) | 2008-05-01 |
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