JP7351842B2 - 座標検出方法 - Google Patents
座標検出方法 Download PDFInfo
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- JP7351842B2 JP7351842B2 JP2020547976A JP2020547976A JP7351842B2 JP 7351842 B2 JP7351842 B2 JP 7351842B2 JP 2020547976 A JP2020547976 A JP 2020547976A JP 2020547976 A JP2020547976 A JP 2020547976A JP 7351842 B2 JP7351842 B2 JP 7351842B2
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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
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
-
- 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
- G06F3/03545—Pens or stylus
-
- 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
- G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
-
- 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
- G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
- G06F3/0383—Signal control means within the pointing device
-
- 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
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
- G06F3/04186—Touch location disambiguation
-
- 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
-
- 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
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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
θ=90°-cos-1(|V|/L) ・・・(1)
2 ペン
2A ペン軸
3 位置検出装置
10,11 電極
20 タッチ面
21x,21y 線状電極
C1 電極10の中心点
C2 電極11の中心点
L 中心点C1,C2間の距離
P1,P2 検出座標
P1mid,P1mid1,P1mid2 中間座標
P1out 出力座標
Px,Py ピッチ
V 傾きベクトル
Δ 補正量
θ 傾き角
φ 方位角
Claims (6)
- タッチ面内に配置された複数の線状電極を用いてタッチ面内における信号レベルの分布を検出することにより、ペンのペン先電極の位置に対応する検出座標を取得する座標検出ステップと、
前記ペンの傾きを示す傾きデータを取得する傾き検出ステップと、
座標及び傾きデータの組み合わせと補正量とを対応付ける補正テーブルを参照することにより、前記座標検出ステップで検出された前記検出座標及び前記傾き検出ステップで検出された前記傾きデータの組み合わせに対応する補正量を取得する補正量取得ステップと、
前記補正量により前記検出座標を補正することによって得られた座標を前記傾きデータに基づいて補正することにより出力座標を取得する出力座標取得ステップと、
を含む座標検出方法。
- タッチ面内に配置された複数の線状電極を用いてタッチ面内における信号レベルの分布を検出することにより、ペンのペン先電極の位置に対応する検出座標を取得する座標検出ステップと、
前記ペンの傾きを示す傾きデータを取得する傾き検出ステップと、
前記傾きデータに基づいて前記検出座標を補正することにより中間座標を取得する中間座標取得ステップと、
座標と補正量とを対応付ける補正テーブルを参照することにより、前記中間座標に対応する補正量を取得する補正量取得ステップと、
を含む座標検出方法。 - 前記複数の線状電極は所定ピッチで平行に配置され、
前記補正テーブルは、前記所定ピッチを基準に定められた座標からの相対座標と、補正量とを一次元で対応付ける一次元入力一次元出力テーブルである、
請求項2に記載の座標検出方法。 - 前記補正テーブルは、前記所定ピッチに相当する領域分の相対座標を含んで構成される、
請求項3に記載の座標検出方法。 - 前記補正量により前記検出座標を補正することによって得られた座標を前記傾きデータに基づいて補正することにより出力座標を取得する出力座標取得ステップ、
をさらに含む請求項2乃至4のいずれか一項に記載の座標検出方法。 - 前記出力座標取得ステップで実行される補正は視差補正である、
請求項5に記載の座標検出方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018181398 | 2018-09-27 | ||
JP2018181398 | 2018-09-27 | ||
PCT/JP2019/024191 WO2020066160A1 (ja) | 2018-09-27 | 2019-06-19 | 座標検出方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2020066160A1 JPWO2020066160A1 (ja) | 2021-08-30 |
JP7351842B2 true JP7351842B2 (ja) | 2023-09-27 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2020547976A Active JP7351842B2 (ja) | 2018-09-27 | 2019-06-19 | 座標検出方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11287927B2 (ja) |
JP (1) | JP7351842B2 (ja) |
WO (1) | WO2020066160A1 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014174772A1 (ja) | 2013-04-25 | 2014-10-30 | シャープ株式会社 | タッチパネルシステムおよび電子機器 |
US20160154528A1 (en) | 2014-11-28 | 2016-06-02 | Samsung Electronics Co., Ltd. | Pen input device, method for correcting input coordinate thereof and electronic device for supporting the same |
JP2016153954A (ja) | 2015-02-20 | 2016-08-25 | 株式会社ワコム | 位置指示器、信号処理回路、信号供給制御方法及び信号処理方法 |
US20170068330A1 (en) | 2015-09-09 | 2017-03-09 | Apple Inc. | Preprocessing for nonlinear stylus profiles |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07152475A (ja) | 1993-11-30 | 1995-06-16 | Oki Electric Ind Co Ltd | 情報装置 |
US5736980A (en) | 1994-04-28 | 1998-04-07 | Sharp Kabushiki Kaisha | Coordinate inputting apparatus with shared line combinations of power, position and switch signals |
JP3145565B2 (ja) * | 1994-05-23 | 2001-03-12 | シャープ株式会社 | タブレット入力装置 |
JPH09230989A (ja) * | 1996-02-26 | 1997-09-05 | Graphtec Corp | デジタイザ |
JP2008090565A (ja) | 2006-09-30 | 2008-04-17 | Pentel Corp | 手書き筆跡入力システム |
KR20130034765A (ko) * | 2011-09-29 | 2013-04-08 | 삼성전자주식회사 | 휴대 단말기의 펜 입력 방법 및 장치 |
TWI444645B (zh) * | 2012-09-17 | 2014-07-11 | Quanta Comp Inc | 定位方法和定位裝置 |
US9645666B2 (en) * | 2012-11-22 | 2017-05-09 | Sharp Kabushiki Kaisha | Display device with touch panel attached |
JP2014139759A (ja) | 2013-01-21 | 2014-07-31 | Toshiba Corp | 情報機器及び情報処理方法 |
US9465456B2 (en) | 2014-05-20 | 2016-10-11 | Apple Inc. | Reduce stylus tip wobble when coupled to capacitive sensor |
-
2019
- 2019-06-19 WO PCT/JP2019/024191 patent/WO2020066160A1/ja active Application Filing
- 2019-06-19 JP JP2020547976A patent/JP7351842B2/ja active Active
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2021
- 2021-02-11 US US17/174,134 patent/US11287927B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014174772A1 (ja) | 2013-04-25 | 2014-10-30 | シャープ株式会社 | タッチパネルシステムおよび電子機器 |
US20160154528A1 (en) | 2014-11-28 | 2016-06-02 | Samsung Electronics Co., Ltd. | Pen input device, method for correcting input coordinate thereof and electronic device for supporting the same |
JP2016153954A (ja) | 2015-02-20 | 2016-08-25 | 株式会社ワコム | 位置指示器、信号処理回路、信号供給制御方法及び信号処理方法 |
US20170068330A1 (en) | 2015-09-09 | 2017-03-09 | Apple Inc. | Preprocessing for nonlinear stylus profiles |
Also Published As
Publication number | Publication date |
---|---|
WO2020066160A1 (ja) | 2020-04-02 |
US11287927B2 (en) | 2022-03-29 |
US20210165522A1 (en) | 2021-06-03 |
JPWO2020066160A1 (ja) | 2021-08-30 |
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