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TW201011600A - Electromagnetic stylus for operating a capacitive touch panel - Google Patents

Electromagnetic stylus for operating a capacitive touch panel Download PDF

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Publication number
TW201011600A
TW201011600A TW097133438A TW97133438A TW201011600A TW 201011600 A TW201011600 A TW 201011600A TW 097133438 A TW097133438 A TW 097133438A TW 97133438 A TW97133438 A TW 97133438A TW 201011600 A TW201011600 A TW 201011600A
Authority
TW
Taiwan
Prior art keywords
touch panel
capacitive touch
signal
frequency
oscillator
Prior art date
Application number
TW097133438A
Other languages
English (en)
Inventor
Cheng-Ko Wu
Ming-Tsung Wu
Original Assignee
Turbotouch Technology Inc E
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Turbotouch Technology Inc E filed Critical Turbotouch Technology Inc E
Priority to TW097133438A priority Critical patent/TW201011600A/zh
Priority to US12/327,813 priority patent/US20100053113A1/en
Priority to EP08021295.4A priority patent/EP2159669B1/en
Publication of TW201011600A publication Critical patent/TW201011600A/zh

Links

Classifications

    • 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 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 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
    • G06F3/041—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
    • G06F3/0441—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using active external devices, e.g. active pens, for receiving changes in electrical potential transmitted by the digitiser, e.g. tablet driving signals
    • 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
    • G06F3/041—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
    • G06F3/0442—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using active external devices, e.g. active pens, for transmitting changes in electrical potential to be received by the digitiser

Landscapes

  • 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

201011600 九、發明說明： 【發明所屬之技術領域】 本發明係提供-種f磁筆H種用緖作電容式觸控面 板之電磁筆。 【先前技術】 ❹ Ο 先則觸控筆在工作原理上有三種，第_種是電阻式觸控筆， 利用壓力輕在電阻式馳面板上施壓，讀電喊觸控面板之 兩導電電極相接觸，藉以偵測電阻式觸控面板上被觸動的座標位 置’第二種是電容式觸控筆，觸控筆頭經由導體傳到人手，藉由 2體讓電容_控面板產生流，計算得知座標位置；針對電 谷式觸控筆的’若將電容式馳筆與人體絕緣(域手套），即無 摘控面板；第三種是數絲(Digitizel·则磁筆，藉 訊麟送給數位板或由數位板錢電磁筆之方式來 來使用被觸動的座標位置，然而此觸控筆必需搭配數位板 素圖請笛參閱第1至2圖，第1圖係為先前電容式觸控面板W之示 Γο包含—電容式觸控面板1G之俯視圖。電容式觸控面板 導電層12上之電路層—絕緣層14及防電子干擾層16;第一 場26;贿干=6 Γ撕綱編浏勻電(磁） 筆接觸電料觸控峻電子訊號干擾。㈣容式觸控 面板1G時，漏電流會經由觸控筆流向人體，進 201011600 而瞬門改變電(磁)場％，而使電容式觸控面板ίο的漏電流產生變 化’因此電容式觸控面板10便可根據其漏電流的變化推算出電容 式觸控面板1〇被觸動的座標位置。 <然而在料實驗室裏，實驗人員钱上手套或穿戴其他絕緣 設備來避免意相發生，在赠況下，若實驗人員使用電容式觸 控筆來操作電容式觸控面板1〇，顚漏f流無法經由觸控筆流向 〇 人體’電㈣場26不纽變，@此電容式難錄1()無法根據其 電(磁）琢的變化推算出電容式觸控面板1〇被觸動的座標位置。 【發明内容】 本發明之實施例提供一種用來操作電容式觸控面板之電磁 筆’包含-殼體，-訊號傳導體，用以讀取該電容式觸控面板之 頻率訊號’-收發_，環繞於該訊號傳導體，用以偵測該電容 式糖面㈣解膽射鮮触電容式難面板的鮮相近之 無線訊號’ i步線圈，環繞於該訊號傳導體，鼓振盪出頻率 與該電容式難面板相近的鮮峨；—紐器，㈣放大該同 步線圈紐產生之頻率訊號；及一電路板，安裝於該殼體内並連 接於該訊號料體’賴處理被該振盪器放大之鮮訊號。 【實施方式】 為了解決先前技術當使用者戴上絕緣體時，電容式觸控面板 10無法侧其被觸動的座標位置的問題，本發明之—實施例提出 201011600 一種電磁筆’以使使用者不論是否戴上絕緣體，皆能使用電磁筆 來操作電容式觸控面板10。 δ月參閱第3圖’第3圖係本發明之·一電磁筆30之示意圖。電 磁筆30包含一殼體32，一訊號傳導體36用以讀取電容式觸控面 板10之振盪頻率’一收發線圈38環繞於訊號傳導體36，用以摘 測電容式觸控面板10的頻率及發射頻率與該電容式觸控面板相近 之無線訊號，一同步線圈40環繞於訊號傳導體36，用以振盪出頻 @ 率與電容式觸控面板10相近的訊號，一振盪器42，用以放大同步 線圈40振盡產生之訊號’一電路板34安裝於殼體32内並連接於 訊號傳導體36 ’用以處理被振盪器42放大之訊號，及一電池44 安裝於殼體32内’用以對電磁筆3〇供電，振盪器42可安裝於電 路板34上。 當使用者將電磁筆30移至電容式觸控面板10的上方時，收 Ο 發線圈38會偵測電容式觸控面板ίο電(磁)場的頻率，同步線圈 40會振盪出頻率與電容式觸控面板1〇流向訊號傳導體相近的 訊號’振盡器42會放大同步線圈4〇振盪產生之訊號，電路板料 會處理被振盪器42放大之訊號，最後收發線圈38會據以發射頻 率與電容式觸控面板10鮮相近之無線訊號干擾原本電容式雕 面板10之電(磁)場。 當電容式觸控面板1G接收到收發線圈38發出之無線訊號 201011600 ίο 所發出之無線訊號的相位與電容式觸控面板 的相位’電容式觸控面板1()表_電(磁)場會被干擾， 因此電谷式觸控吨10便可根據其電(磁)場的變化推算出電容式 觸控面板10被觸動的座標位置。 觸抑純/先則電4式觸控筆’電磁筆3G藉由發射解與電容式 工〇的醉相近之無線訊號來干擾電容式觸控面板1〇 〇 的電(磁)場’因此即使仙賴上手套或其他騰體，電容式觸控 被觸 面板10仍可根據其電(磁)場的變化推算出電容式觸控面板1〇 動的座標位置。 以上所述僅為本發明之較佳實施例，凡依本發明申請專利範 圍所做之均等變化與修飾，皆應屬本發明之涵蓋範圍。 【圖式簡單說明】 ❹ »1_為先前電容式觸控面板之示意圖。 第2圖係為第1圖電容式觸控面板之俯視圖。 第3圖係本發明之電磁筆之示意圖。 【主要元件符號說明】 12 第一導電層 16 防電子干擾層 30 電磁筆 10電容式觸控面板 14絕緣層 26電(磁)場 8 201011600 32 殼體 34 電路板 36 訊號傳導體 38 收發線圈 40 同步線圈 42 振盪器 44 電池 46 接觸部

Claims (1)

  1. 201011600 十、申請專利範圍： 1， 一種用來操作電容式觸控面板之電磁筆，包含. 一殼體； 一訊號傳導體，用以讀取該電容式觸控面板之頻率訊號； 一收發線圈，環繞於該訊號傳導體，用以接收與發送與該電容 式觸控面板的頻率相近之無線訊號； 一同步線圈，環繞於該訊號傳導體，用以振盪出頻率與該電容 ❹ 式觸控面板相近的頻率訊號； 一振盪器’用以放大該同步線圈振盪產生之頻率訊號；及 一電路板，安裝於該殼體内並連接於該訊號傳導體，用以處理 被該振盪器放大之頻率訊號。 2. 如請求項1所述之電磁筆，其中該振盪器係安裝於該電路板 上。 d 3. 如請求項1所述之電磁筆，另包含一電池，安裝於該殼體内’ 用以對該電磁筆供電。 十一、圓式：
TW097133438A 2008-09-01 2008-09-01 Electromagnetic stylus for operating a capacitive touch panel TW201011600A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
TW097133438A TW201011600A (en) 2008-09-01 2008-09-01 Electromagnetic stylus for operating a capacitive touch panel
US12/327,813 US20100053113A1 (en) 2008-09-01 2008-12-04 Electromagnetic Stylus for Operating a Capacitive Touch Panel
EP08021295.4A EP2159669B1 (en) 2008-09-01 2008-12-08 Electromagnetic stylus for operating a capacitive touch panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW097133438A TW201011600A (en) 2008-09-01 2008-09-01 Electromagnetic stylus for operating a capacitive touch panel

Publications (1)

Publication Number Publication Date
TW201011600A true TW201011600A (en) 2010-03-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (3)

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US (1) US20100053113A1 (zh)
EP (1) EP2159669B1 (zh)
TW (1) TW201011600A (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102681691A (zh) * 2011-03-02 2012-09-19 胜华科技股份有限公司 触控笔
TWI554935B (zh) * 2011-09-06 2016-10-21 Electromagnetic induction input device

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101190518B1 (ko) 2010-03-31 2012-10-16 제주대학교 산학협력단 정전식 터치 펜
KR101047589B1 (ko) 2010-04-09 2011-07-07 (주)삼원에스티 정전용량 방식의 터치 인식이 가능한 필기구
CN101847051B (zh) * 2010-05-21 2012-05-30 鸿富锦精密工业（深圳）有限公司 手写笔
TW201142663A (en) * 2010-05-24 2011-12-01 Unihan Corp Touch pen and electronic apparatus
US8648837B1 (en) 2010-07-09 2014-02-11 The United States Of America As Represented By The Secretary Of The Navy Active capacitive control stylus
US9310923B2 (en) 2010-12-03 2016-04-12 Apple Inc. Input device for touch sensitive devices
US8766954B2 (en) 2010-12-21 2014-07-01 Motorola Mobility Llc Active stylus for use with touch-sensitive interfaces and corresponding method
US8638320B2 (en) * 2011-06-22 2014-01-28 Apple Inc. Stylus orientation detection
US9329703B2 (en) 2011-06-22 2016-05-03 Apple Inc. Intelligent stylus
US8928635B2 (en) 2011-06-22 2015-01-06 Apple Inc. Active stylus
TWI450135B (zh) * 2011-12-06 2014-08-21 Wistron Corp 電磁式觸控筆及其電腦設備
US20130249870A1 (en) * 2012-03-22 2013-09-26 Motorola Mobility, Inc. Dual mode active stylus for writing both on a capacitive touchscreen and paper
EP2662754A1 (en) * 2012-05-09 2013-11-13 BlackBerry Limited Computer input stylus with multiple antennas
TWI488096B (zh) * 2012-06-05 2015-06-11 Acer Inc 觸控面板的驅動方法及其觸控裝置
US9652090B2 (en) 2012-07-27 2017-05-16 Apple Inc. Device for digital communication through capacitive coupling
US9176604B2 (en) 2012-07-27 2015-11-03 Apple Inc. Stylus device
US9557845B2 (en) 2012-07-27 2017-01-31 Apple Inc. Input device for and method of communication with capacitive devices through frequency variation
US9213455B2 (en) * 2012-10-17 2015-12-15 Atmel Corporation Stylus with resonant circuit
KR102010957B1 (ko) * 2012-12-24 2019-08-14 삼성전자 주식회사 휴대 장치 제어 방법 및 그 휴대 장치
US10048775B2 (en) 2013-03-14 2018-08-14 Apple Inc. Stylus detection and demodulation
US20140313155A1 (en) * 2013-04-17 2014-10-23 Esat Yilmaz Stylus with Voice Capability
FR3005288B1 (fr) 2013-05-06 2015-05-15 Bic Soc Dispositif manuel adapte pour un ecran capacitif
US9939935B2 (en) 2013-07-31 2018-04-10 Apple Inc. Scan engine for touch controller architecture
TWI514196B (zh) 2013-08-05 2015-12-21 Ind Tech Res Inst 觸覺回饋裝置
TW201510804A (zh) * 2013-09-09 2015-03-16 Waltop Int Corp 觸控面板控制方法
KR102138513B1 (ko) * 2013-09-23 2020-07-28 엘지전자 주식회사 터치 패널 및 이동 단말기
WO2015041400A1 (en) * 2013-09-23 2015-03-26 Lg Electronics Inc. Touch panel and a wireless input apparatus and mobile terminal including touch panel
TW201601013A (zh) * 2014-06-25 2016-01-01 昆盈企業股份有限公司 主動式電容筆及其感應方法
US10067618B2 (en) 2014-12-04 2018-09-04 Apple Inc. Coarse scan and targeted active mode scan for touch
KR102260600B1 (ko) * 2014-12-31 2021-06-04 엘지디스플레이 주식회사 터치 스크린 장치
EP4345586A3 (en) 2015-01-19 2024-06-12 Wacom Co., Ltd. Position indicator
US9483129B1 (en) * 2015-05-12 2016-11-01 Atmel Corporation Active stylus with fractional clock-cycle timing
US9720542B2 (en) 2015-08-04 2017-08-01 Microsoft Technology Licensing, Llc Active stylus differential synchronization
US10082890B2 (en) 2015-09-01 2018-09-25 Microsoft Technology Licensing, Llc Electrostatic communication using an active stylus
DE202015105327U1 (de) * 2015-10-08 2017-01-11 Stabilo International Gmbh Energieersparnis bei einem Zeigeinstrument für kapazitive Sensoroberflächen durch zeitliche Modulation
US10474277B2 (en) 2016-05-31 2019-11-12 Apple Inc. Position-based stylus communication
CN109416604A (zh) * 2016-07-13 2019-03-01 夏普株式会社 书写输入装置
US10592012B2 (en) * 2018-02-07 2020-03-17 Mark Gordon Arnold Five-rectangle method for dispatching touch events from motion-disabled users
US12153764B1 (en) 2020-09-25 2024-11-26 Apple Inc. Stylus with receive architecture for position determination

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI103837B (fi) * 1994-12-22 1999-09-30 Nokia Mobile Phones Ltd Tiedonsiirto- ja käsittelymenetelmä
KR100459230B1 (ko) * 2002-11-14 2004-12-03 엘지.필립스 엘시디 주식회사 표시장치용 터치 패널
JP2005149140A (ja) * 2003-11-14 2005-06-09 Wacom Co Ltd 位置検出装置及び位置指示器
US8134542B2 (en) * 2006-12-20 2012-03-13 3M Innovative Properties Company Untethered stylus employing separate communication and power channels
US8040329B2 (en) * 2006-12-20 2011-10-18 3M Innovative Properties Company Frequency control circuit for tuning a resonant circuit of an untethered device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102681691A (zh) * 2011-03-02 2012-09-19 胜华科技股份有限公司 触控笔
TWI554935B (zh) * 2011-09-06 2016-10-21 Electromagnetic induction input device

Also Published As

Publication number Publication date
EP2159669A2 (en) 2010-03-03
EP2159669B1 (en) 2017-08-23
EP2159669A3 (en) 2013-01-23
US20100053113A1 (en) 2010-03-04

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