JP4675889B2 - 位置検出方法、対話型ディスプレイシステム及び位置検出装置 - Google Patents
位置検出方法、対話型ディスプレイシステム及び位置検出装置 Download PDFInfo
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- JP4675889B2 JP4675889B2 JP2006519005A JP2006519005A JP4675889B2 JP 4675889 B2 JP4675889 B2 JP 4675889B2 JP 2006519005 A JP2006519005 A JP 2006519005A JP 2006519005 A JP2006519005 A JP 2006519005A JP 4675889 B2 JP4675889 B2 JP 4675889B2
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- Prior art keywords
- light intensity
- display surface
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Classifications
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F3/0321—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 by optically sensing the absolute position with respect to a regularly patterned surface forming a passive digitiser, e.g. pen optically detecting position indicative tags printed on a paper sheet
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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 two-dimensional [2D] relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03542—Light pens for emitting or receiving light
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
- Controls And Circuits For Display Device (AREA)
- Length Measuring Devices By Optical Means (AREA)
Description
Claims (12)
- 表示面上の位置を求める位置検出方法であって、
前記表示面の各位置における光強度が経時的に変化する複数の光強度パターンを前記表示面に投影する投影ステップと、
前記複数の光強度パターンを前記表示面上に投影している間に前記表示面上の任意の位置における光強度を経時的に検知する光強度検知ステップと、
前記光強度検知ステップで検知した光強度の経時的な変化によって得られた信号を復号化して、前記任意の位置の座標を求める座標検出ステップと
を含む位置検出方法。 - 前記光強度パターンがグレイコードにより構成された
請求項1記載の位置検出方法。 - 前記表示面は平面であり、前記座標は前記表示面上の2次元座標である
請求項1記載の位置検出方法。 - 前記複数の光強度パターンは、人間の視覚系には知覚不可能である
請求項1記載の位置検出方法。 - 前記複数の光強度パターンは一対の連続する第1及び第2のパターンを含み、前記第2のパターンは前記第1のパターンの逆パターン又はネガパターンである
請求項1記載の位置検出方法。 - 前記第1のパターン及び前記第2のパターンの全画素に対する光強度の総和は経時的に同じである
請求項5記載の位置検出方法。 - 前記投影ステップにおいて投影される前記複数の光強度パターンは空間及び時間にわたって光強度が変化するものであり、
前記光強度検知ステップでは、前記表示面上の任意の位置における光強度を経時的及び空間的に検知する
請求項1記載の位置検出方法。 - 表示面の各位置における光強度が経時的に変化する複数の光強度パターンを生成するパターン生成手段と、
前記パターン生成手段によって生成された複数の光強度パターンを前記表示面に投影する投影手段と、
前記投影手段が前記複数の光強度パターンを前記表示面上に投影している間に前記表示面上の任意の位置における光強度を経時的に検知する光強度検知手段と、
前記光強度検知手段で検知した光強度の経時的な変化によって得られた信号を復号して、前記任意の位置の座標を求める座標検出手段と
を備える対話型ディスプレイシステム。 - 表示面上の位置を求める位置検出方法であって、
前記表示面の各位置における光強度が経時的に変化する複数の光強度パターンを前記表示面に投影させるために生成するパターン生成ステップと、
前記複数の光強度パターンを前記表示面上に投影している間に前記表示面上の任意の位置における光強度を経時的に検知することで得られた信号を復号し、前記任意の位置の座標を求める座標検出ステップと
を含む位置検出方法。 - 表示面上の位置を求める位置検出装置であって、
前記表示面の各位置における光強度が経時的に変化する複数の光強度パターンを前記表示面に投影させるために生成するパターン生成手段と、
前記複数の光強度パターンを前記表示面上に投影している間に前記表示面上の任意の位置における光強度を経時的に検知することで得られた信号を復号し、前記任意の位置の座標を求める座標検出手段と
を備える位置検出装置。 - 表示面の各位置における光強度が経時的に変化する複数の光強度パターンが前記表示面に投影されている間に、前記表示面上の任意の位置における光強度を経時的に検知する光強度検知ステップと、
前記光強度検知ステップによって検知した光強度の経時的な変化によって得られた信号を復号して、前記任意の位置の座標を求める座標検出ステップと
を含む位置検出方法。 - 表示面の各位置における光強度が経時的に変化する複数の光強度パターンが前記表示面に投影されている間に、前記表示面上の任意の位置における光強度を経時的に検知する光強度検知手段と、
前記光強度検知手段によって検知した光強度の経時的な変化によって得られた信号を復号して、前記任意の位置の座標を求める座標検出手段と
を備える位置検出装置。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/704,098 US7421111B2 (en) | 2003-11-07 | 2003-11-07 | Light pen system for pixel-based displays |
| PCT/JP2004/016625 WO2005045655A2 (en) | 2003-11-07 | 2004-11-02 | Method for determining location on display surface and interactive display system |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010233211A Division JP4745454B2 (ja) | 2003-11-07 | 2010-10-18 | 位置検出方法、対話型ディスプレイシステム及び位置検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007510966A JP2007510966A (ja) | 2007-04-26 |
| JP4675889B2 true JP4675889B2 (ja) | 2011-04-27 |
Family
ID=34552043
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006519005A Expired - Fee Related JP4675889B2 (ja) | 2003-11-07 | 2004-11-02 | 位置検出方法、対話型ディスプレイシステム及び位置検出装置 |
| JP2010233211A Expired - Fee Related JP4745454B2 (ja) | 2003-11-07 | 2010-10-18 | 位置検出方法、対話型ディスプレイシステム及び位置検出装置 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010233211A Expired - Fee Related JP4745454B2 (ja) | 2003-11-07 | 2010-10-18 | 位置検出方法、対話型ディスプレイシステム及び位置検出装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7421111B2 (ja) |
| EP (2) | EP1680732B1 (ja) |
| JP (2) | JP4675889B2 (ja) |
| CN (1) | CN100388173C (ja) |
| DE (1) | DE602004031140D1 (ja) |
| WO (1) | WO2005045655A2 (ja) |
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-
2003
- 2003-11-07 US US10/704,098 patent/US7421111B2/en not_active Expired - Fee Related
-
2004
- 2004-11-02 DE DE602004031140T patent/DE602004031140D1/de not_active Expired - Lifetime
- 2004-11-02 EP EP04799563A patent/EP1680732B1/en not_active Expired - Lifetime
- 2004-11-02 CN CNB2004800323820A patent/CN100388173C/zh not_active Expired - Fee Related
- 2004-11-02 WO PCT/JP2004/016625 patent/WO2005045655A2/en not_active Ceased
- 2004-11-02 EP EP10011898.3A patent/EP2330484A3/en not_active Withdrawn
- 2004-11-02 JP JP2006519005A patent/JP4675889B2/ja not_active Expired - Fee Related
-
2010
- 2010-10-18 JP JP2010233211A patent/JP4745454B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US7421111B2 (en) | 2008-09-02 |
| DE602004031140D1 (de) | 2011-03-03 |
| CN1875337A (zh) | 2006-12-06 |
| WO2005045655A3 (en) | 2006-05-18 |
| JP4745454B2 (ja) | 2011-08-10 |
| EP1680732A2 (en) | 2006-07-19 |
| EP2330484A3 (en) | 2015-07-01 |
| JP2007510966A (ja) | 2007-04-26 |
| EP1680732B1 (en) | 2011-01-19 |
| WO2005045655A2 (en) | 2005-05-19 |
| JP2011014168A (ja) | 2011-01-20 |
| EP2330484A2 (en) | 2011-06-08 |
| US20050099405A1 (en) | 2005-05-12 |
| CN100388173C (zh) | 2008-05-14 |
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