JP4955724B2 - タッチパネル及びタッチ検出方法 - Google Patents
タッチパネル及びタッチ検出方法 Download PDFInfo
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- JP4955724B2 JP4955724B2 JP2009060433A JP2009060433A JP4955724B2 JP 4955724 B2 JP4955724 B2 JP 4955724B2 JP 2009060433 A JP2009060433 A JP 2009060433A JP 2009060433 A JP2009060433 A JP 2009060433A JP 4955724 B2 JP4955724 B2 JP 4955724B2
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- touch panel
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- 238000001514 detection method Methods 0.000 title claims description 15
- 230000006698 induction Effects 0.000 claims description 40
- 239000011159 matrix material Substances 0.000 claims description 22
- 101710170231 Antimicrobial peptide 2 Proteins 0.000 description 14
- 101710170230 Antimicrobial peptide 1 Proteins 0.000 description 12
- 125000006850 spacer group Chemical group 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- G06F3/045—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
-
- 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
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/048—Indexing scheme relating to G06F3/048
- G06F2203/04808—Several contacts: gestures triggering a specific function, e.g. scrolling, zooming, right-click, when the user establishes several contacts with the surface simultaneously; e.g. using several fingers or a combination of fingers and pen
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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)
Description
2.本発明はタイムディビジョンマルチプレクサ技術を採用して、タッチポイントを検出しているので、このうち一の軸上に誘導回路を印加するだけでよく、コスト削減ができる。
3.タッチパネルに複数のタッチポイントがあるときでも、本発明で正確に各タッチされたポイントの位置を検出して、誤判断を起こさない。
120: 下層板
130: スペーサ
92 : センサスペーサ
AMP1_1〜AMP1_4、AMP2_1〜AMP2_5:比較器
Vref 、VREF:基準電圧
A、B、C、D、E、G:領域
LX1〜LX5:X軸誘導線
LY1〜LY5:Y軸誘導線
410: 抵抗式圧力センサマトリックス
420: シリアル走査ドライバ
430: X軸誘導回路
SW1_1〜SW4_5:スイッチ
AMP1〜AMP5: 比較器
PY1〜PY5: プラス入力端
NY1〜NY5: マイナス入力端
VDDS: 電圧源
SX1〜SX4: アース電圧
S610〜S680: 本発明の実施例のタッチ検出方法の各ステップ
Claims (5)
- タッチパネルであって、
前記タッチパネルに配置され、M個のX軸誘導線及びN個のY軸誘導線を有し、第i本のX軸誘導線と第j本のY軸誘導線の交差点が所定範囲内で圧力を受けたとき、第i本のX軸誘導線と第j本のY軸誘導線がショートする抵抗式圧力センサマトリックスと、
N個のドライバ端を有し、それぞれN個のY軸誘導線と接続するシリアル走査ドライバと、
第k個のX軸誘導回路が第k本のX軸誘導線と接続するM個のX軸誘導回路と、を備え、
前記X軸誘導回路がそれぞれ比較器を備え、このうち、第k個のX軸誘導回路の前記比較器が、第一入力端、第二入力端と出力端と、を有し、前記第一入力端が基準電圧と接続し、前記第二入力端が第k本X軸誘導線と接続し、前記比較器が第k本のX軸誘導線の電圧と前記基準電圧とを比較して、その比較結果により前記走査電圧を受けたか否かを判断し、
前記X軸誘導回路の前記比較器の前記第二入力端は、それぞれ電圧源又はアース電圧と接続し、
前記タッチパネルのセンサ期間がN個の走査期間に分けられ、第p個の走査期間で前記シリアル走査ドライバの第p個ドライバ端が走査電圧を出力し、
第p個の走査期間で、且つ第p個のY軸誘導線と第q個のX軸誘導線の交差点の前記所定範囲で圧力を受けたとき、第q個X軸誘導回路が前記走査電圧を受け、タッチされた座標が(q、p)であると判断する、このうちM、N、i、j、k、p、qは正の整数、iは1〜Mの間、jは1〜Nの間、kは1〜Mの間、qは1〜Mの間、pは1〜Nの間にあることを特徴とするタッチパネル。 - 前記第q個のX軸誘導線の前記比較器の出力端は第一飽和電圧であり、前記残余のX軸誘導線の前記比較器の出力端は第二飽和電圧であり、前記第一飽和電圧は前記第二飽和電圧と異なることを特徴とする請求項1に記載のタッチパネル。
- 前記シリアル走査ドライバがN個のドライバ端で順に前記走査電圧を出力することを特徴とする請求項1記載のタッチパネル。
- 複数のタッチポイントを検出するためのタッチ検出方法であって、
それぞれ電圧源又はアース電圧と接続するM個のX軸誘導線、及びN個のY軸誘導線を備え、第i本のX軸誘導線と第j本のY軸誘導線の交差点の所定範囲内で圧力を受けたとき、前記第i本のX軸誘導線と第j本誘導線がショートする抵抗式圧力センサマトリックスを提供し、
第p個の走査期間に、第p個のY軸誘導線に走査電圧を与え、
基準電圧を提供し、前記X軸誘導線の電圧と前記基準電圧とを比較することによってM個のX軸誘導線を検出して、その比較結果により前記走査電圧を受けたか否かを判断し、
第p個の走査期間に、第q個のX軸誘導線が前記走査電圧を受けると、タッチされた座標を(q、p)であると判断し、
このうち、M、N、i、j、k、p、qは正の整数、iは1〜Mの間、jは1〜Nの間、kは1〜Mの間、qは1〜Mの間、pは1〜Nの間にあることを特徴とするタッチ検出方法。 - 前記第q個のX軸誘導線は第一飽和電圧であり、前記残余のX軸誘導線は第二飽和電圧であり、前記第一飽和電圧は前記第二飽和電圧と異なることを特徴とする請求項4記載の複数のタッチポイント検出方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW097143778A TWI383312B (zh) | 2008-11-13 | 2008-11-13 | 接觸點檢測方法以及使用其之觸控面板 |
TW097143778 | 2008-11-13 |
Publications (2)
Publication Number | Publication Date |
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JP2010118038A JP2010118038A (ja) | 2010-05-27 |
JP4955724B2 true JP4955724B2 (ja) | 2012-06-20 |
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JP2009060433A Active JP4955724B2 (ja) | 2008-11-13 | 2009-03-13 | タッチパネル及びタッチ検出方法 |
Country Status (3)
Country | Link |
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US (1) | US8159473B2 (ja) |
JP (1) | JP4955724B2 (ja) |
TW (1) | TWI383312B (ja) |
Families Citing this family (24)
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US8558722B2 (en) | 2009-12-10 | 2013-10-15 | Industrial Technology Research Institute | Touch apparatus, transparent scan electrode structure, and manufacturing method thereof |
TWI426440B (zh) * | 2010-03-22 | 2014-02-11 | Ind Tech Res Inst | 可撓式滑動觸控裝置及其相關接觸位置判定方法 |
JP5805974B2 (ja) | 2010-03-31 | 2015-11-10 | ティーケー ホールディングス,インコーポレーテッド | ステアリングホイールセンサ |
DE102011006344B4 (de) | 2010-03-31 | 2020-03-12 | Joyson Safety Systems Acquisition Llc | Insassenmesssystem |
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TW201337705A (zh) * | 2011-10-25 | 2013-09-16 | Unipixel Displays Inc | 偏光膜電阻式觸控螢幕 |
WO2013154720A1 (en) | 2012-04-13 | 2013-10-17 | Tk Holdings Inc. | Pressure sensor including a pressure sensitive material for use with control systems and methods of using the same |
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JP6260622B2 (ja) | 2012-09-17 | 2018-01-17 | ティーケー ホールディングス インク.Tk Holdings Inc. | 単一層力センサ |
TWI567598B (zh) * | 2012-10-03 | 2017-01-21 | 鴻海精密工業股份有限公司 | 觸控感應裝置及方法 |
CN105934661B (zh) | 2014-01-13 | 2019-11-05 | 触控解决方案股份有限公司 | 微型强化圆片级mems力传感器 |
CN107848788B (zh) | 2015-06-10 | 2023-11-24 | 触控解决方案股份有限公司 | 具有容差沟槽的加固的晶圆级mems力传感器 |
WO2018148510A1 (en) | 2017-02-09 | 2018-08-16 | Nextinput, Inc. | Integrated piezoresistive and piezoelectric fusion force sensor |
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CN111448446B (zh) | 2017-07-19 | 2022-08-30 | 触控解决方案股份有限公司 | 在mems力传感器中的应变传递堆叠 |
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2008
- 2008-11-13 TW TW097143778A patent/TWI383312B/zh active
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2009
- 2009-02-25 US US12/392,568 patent/US8159473B2/en active Active
- 2009-03-13 JP JP2009060433A patent/JP4955724B2/ja active Active
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TWI383312B (zh) | 2013-01-21 |
JP2010118038A (ja) | 2010-05-27 |
US20100117982A1 (en) | 2010-05-13 |
TW201019180A (en) | 2010-05-16 |
US8159473B2 (en) | 2012-04-17 |
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