KR100917583B1 - 비접촉식 좌표입력 시스템용 도광판, 이를 포함하는 시스템및 이를 이용한 비접촉식 좌표입력 방법 - Google Patents
비접촉식 좌표입력 시스템용 도광판, 이를 포함하는 시스템및 이를 이용한 비접촉식 좌표입력 방법 Download PDFInfo
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- KR100917583B1 KR100917583B1 KR1020070080494A KR20070080494A KR100917583B1 KR 100917583 B1 KR100917583 B1 KR 100917583B1 KR 1020070080494 A KR1020070080494 A KR 1020070080494A KR 20070080494 A KR20070080494 A KR 20070080494A KR 100917583 B1 KR100917583 B1 KR 100917583B1
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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
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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
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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
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- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
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Claims (24)
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- 광 배출장치로부터 방출된 빛이 입사하는 도광판으로서, 평탄하고 연속적인 표면을 갖는 투명 기층 및 상기 투명 기층 표면에 코팅되거나 또는 상기 투명 기층 내부에 도핑된 형광체를 포함하는 도광판;상기 도광판의 가로방향 가장자리 중 적어도 하나와 세로방향 가장자리 중 적어도 하나에 부착되어, 상기 광 배출장치로부터 방출된 빛에 의해 여기된 형광체가 발광한 빛을 검지하는 복수의 광 센서; 및상기 광센서에 연결되며, 각 광센서의 수광량을 이용하여 상기 여기된 형광체의 위치 좌표를 계산하고, 이 좌표를 디스플레이 장치 또는 이와 연결된 컴퓨터 시스템에 전달하는 연산부를 포함하며,디스플레이 장치의 전면에 장착되는 비접촉식 좌표입력 시스템.
- 삭제
- 제 10 항에 있어서,상기 투명기층은 헤이즈(haze)가 10%이하이고, 상기 형광체의 흡수 발광파장 영역에서의 투과율이 80% 이상인 것을 특징으로 하는 비접촉식 좌표입력 시스템.
- 제 12 항에 있어서,상기 투명기층은 유리, 폴리올레핀, 올레핀 코폴리머, 아크릴, 폴리비닐, 폴리 우레탄, 폴리아세탈과 에폭시 레진을 포함하는 에테르 폴리머, PC를 포함하는 폴리에스테르, 폴리아미드, 폴리술폰, 실리콘 중에서 선택된 재질로 이루어진 것을 특징으로 하는 비접촉식 좌표입력 시스템.
- 제 10 항, 제12항 또는 제 13 항 중 어느 한 항에 있어서,상기 도광판의 외측에 도광판에 비해 굴절률이 0.05 이상 낮은 저굴절율 층을 더 포함하는 것을 특징으로 하는 비접촉식 좌표입력 시스템.
- 제 14 항에 있어서,상기 굴절율이 0.05 이상 낮은 저굴절율 코팅 층은 내부가 다공질 또는 공동의 중공 실리카 미립자, 또는 불소계 수지를 사용하거나, CaF2, MgF2, NaAlF4, SiO2, ThF4, ZrO2, Nd2O3, SnO2, TiO2, CeO2, ZnS, 및 In2O3 로 이루어진 군으로부터 선택된 유전체를 건식 및 습식 코팅하여 형성되는 것을 특징으로 하는 비접촉식 좌표입력 시스템.
- 제 10 항, 제12항 또는 제 13 항 중 어느 한 항에 있어서,상기 형광체는 도광판에 포함되었을 때 도광판의 헤이즈(haze)가 10% 이하가 되도록 하는 것을 특징으로 하는 비접촉식 좌표입력 시스템.
- 제 16 항에 있어서,상기 형광체는 시아닌(cyanine), 페릴렌(perylene), 안트라퀴논(anthraquinone) 또는 크산텐(xanthene)계 염료인 것을 특징으로 하는 비접촉식 좌표입력 시스템.
- 제 10 항, 제 12 항 또는 제 13 항 중 어느 한 항에 있어서,상기 연산부 또는 상기 연산부에 연결된 컴퓨터 시스템은 상기 위치 좌표를 디스플레이 장치에 표시하는 것을 특징으로 하는 비접촉식 좌표입력 시스템.
- 제 10 항, 제 12 항 또는 제 13 항 중 어느 한 항에 있어서,상기 도광판은 디스플레이 장치의 표면에 접착되거나, 별도의 판형태로 디스플레이 장치의 전면에 장착되거나 또는 탈부착 가능한 형태를 가지는 것을 특징으로 하는 비접촉식 좌표입력 시스템.
- 제 19 항에 있어서, 상기 디스플레이 장치는 LCD, PDP, LED, FED, 프로젝션(projection)용 스크린(screen) 및 CRT 디스플레이 장치 중에서 선택된 것을 특징으로 하는 비접촉식 좌표입력 시스템.
- 제 20 항에 있어서, 상기 도광판은 LCD 편광판, PDP 필터, 프로젝션(projection)용 스크린(screen) 또는 LED, FED, CRT 장치의 표면에 접착된 것을 특징으로 하는 비접촉식 좌표입력 시스템.
- 광 배출장치로부터 방출된 빛이 입사하는 도광판으로서, 평탄하고 연속적인 표면을 갖는 투명 기층 및 상기 투명 기층 표면에 코팅되거나 또는 상기 투명 기층 내부에 도핑된 형광체를 포함하는 도광판; 상기 도광판의 가로방향 가장자리 중 적어도 하나와 세로방향 가장자리 중 적어도 하나에 부착되어, 상기 광 배출 장치로부터 방출된 빛에 의해 여기된 형광체가 발광한 빛을 검지하는 복수의 광센서; 및 상기 광센서에 연결되며, 상기 각 광센서의 수광량을 이용하여 여기된 형광체의 위치 좌표를 계산하고, 상기 위치 좌표를 디스플레이 장치 또는 이와 연결된 컴퓨터 시스템에 전달하는 연산부;를 포함하며, 디스플레이 장치의 전면에 장착되는 비접촉식 좌표입력 시스템을 이용하여 도광판에 입사된 빛의 위치를 비접촉식으로 입력하는 좌표입력 방법으로서,상기 가로방향 가장자리에 부착된 센서 중 수광량이 가장 많은 센서의 위치를 상기 입사한 빛의 가로 좌표로 산정하고,상기 세로 방향 가장자리에 부착된 센서 중 수광량이 가장 많은 센서의 위치를 상기 입사한 빛의 세로 좌표로 산정하는 것을 특징으로 하는 비접촉식 좌표입력 방법.
- 제 22 항에 있어서, 상기 가로방향 가장자리 또는 세로방향 가장자리에 부착된 센서 중 수광량이 가장 많은 센서의 위치를 산정함에 있어서, 상기 센서의 위치와 수광량 사이의 관계를 회귀분석하여 사용하는 것을 특징으로 하는 비접촉식 좌 표입력 방법.
- 제10항, 제12항 또는 제13항 중 어느 한 항에 있어서,상기 도광판과 광 센서 사이에 위치하며, 수직 이외의 각도로 입사하는 빛들을 필터링하는 필터를 더 포함하는 것을 특징으로 하는 비접촉식 좌표 입력 시스템.
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KR100917583B1 true KR100917583B1 (ko) | 2009-09-15 |
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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 |
KR1020070080493A KR100917582B1 (ko) | 2006-08-10 | 2007-08-10 | 비접촉식 좌표입력 시스템용 도광판을 이용한 비접촉식좌표입력 방법 |
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US (1) | US8754852B2 (ko) |
JP (2) | JP2009545056A (ko) |
KR (2) | KR100917583B1 (ko) |
CN (1) | CN101484867B (ko) |
TW (1) | TWI381297B (ko) |
WO (1) | WO2008018768A1 (ko) |
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Also Published As
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WO2008018768A9 (en) | 2008-11-20 |
TW200820054A (en) | 2008-05-01 |
US8754852B2 (en) | 2014-06-17 |
TWI381297B (zh) | 2013-01-01 |
KR20080014683A (ko) | 2008-02-14 |
JP2012138105A (ja) | 2012-07-19 |
CN101484867A (zh) | 2009-07-15 |
US20090322677A1 (en) | 2009-12-31 |
KR20080014682A (ko) | 2008-02-14 |
WO2008018768A1 (en) | 2008-02-14 |
JP2009545056A (ja) | 2009-12-17 |
KR100917582B1 (ko) | 2009-09-15 |
CN101484867B (zh) | 2013-03-27 |
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