JP2013065303A - 電磁誘導方式によるオブジェクトの位置を測定するセンシング装置及びその制御方法 - Google Patents
電磁誘導方式によるオブジェクトの位置を測定するセンシング装置及びその制御方法 Download PDFInfo
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- G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
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- G01D5/2053—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by a movable non-ferromagnetic conductive element
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- G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
- G01D5/204—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils
- G01D5/2053—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by a movable non-ferromagnetic conductive element
- G01D5/206—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by a movable non-ferromagnetic conductive element constituting a short-circuiting element
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- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
- G01D5/204—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils
- G01D5/2073—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by movement of a single coil with respect to two or more coils
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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
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- 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
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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
- G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
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Abstract
【解決手段】電磁センシング装置は、電流の受信と電磁変化のセンシングとを交互に実行する第1のサブループ部及び第2のサブループ部を含むループ部と、所定の時間期間で上記第1のサブループ部が電流の受信と電磁変化のセンシングとを交互に実行するように制御し、上記第2のサブループ部が上記所定の時間期間で上記第1のサブループ部の動作とは反対に電流の受信と電磁変化のセンシングとを交互に実行するように制御する制御部とを有する。
【選択図】図2A
Description
120 制御部
210 ループ部
211、212、291、292 サブループ部
220 スイッチ
230 駆動部
240、241 制御部
248 コネクター部
250 信号処理部
290 ループ部
Claims (15)
- 電磁誘導方式に基づいてオブジェクトの位置を測定する電磁センシング装置であって、
電流の受信と電磁変化のセンシングとを交互に実行する第1のサブループ部及び第2のサブループ部を含むループ部と、
所定の時間期間で前記第1のサブループ部が電流の受信と電磁変化のセンシングとを交互に実行するように制御し、前記第2のサブループ部が前記所定の時間期間で前記第1のサブループ部の動作とは反対に電流の受信と電磁変化のセンシングとを交互に実行するように制御する制御部と
を有することを特徴とする電磁センシング装置。 - 前記第1及び第2のサブループ部のそれぞれは、複数のループを含み、前記制御部は、電磁変化をセンシングする第1及び第2のサブループのそれぞれで前記複数のループのうちの少なくとも2つが前記電磁変化をセンシングするように制御することを特徴とする請求項1に記載の電磁センシング装置。
- 前記電流を前記ループ部に印加する駆動部と、
前記制御部の制御の下に前記駆動部から受信される前記電流を前記所定の時間期間で前記第1のサブループ部及び前記第2のサブループ部に交互に出力するスイッチとをさらに有することを特徴とする請求項1に記載の電磁センシング装置。 - 前記ループ部によりセンシングされた前記電磁変化により誘導されたセンシング信号を処理する信号処理部をさらに有し、
前記制御部は、前記第1のサブループ部及び前記第2のサブループ部を前記所定の時間期間の間に前記信号処理部と交互に接続するように前記スイッチを制御することを特徴とする請求項3に記載の電磁センシング装置。 - 前記第1のサブループ部及び前記第2のサブループ部のそれぞれは、複数のループを含み、前記制御部は、電磁変化センシングを実行するように設定された前記第1及び第2のサブループ部のうちの1つでセンシング信号の大きさが最大である第1の最大信号ループを決定し、前記所定の時間期間の後に前記第1の最大信号ループのみを通して前記電流を提供することを特徴とする請求項1に記載の電磁センシング装置。
- 前記制御部は、前記所定の時間期間の間に前記第1の最大信号ループのみを通して前記電流を提供し、前記第1の最大信号ループを含まない前記第1及び前記第2のサブループ部のうちの他の1つでセンシング信号の大きさが最大である第2の最大信号ループを決定することを特徴とする請求項5に記載の電磁センシング装置。
- 前記制御部は、前記所定の時間期間で前記第2の最大信号ループを通して前記電流を流す間に、電磁センシングを実行するサブループ部の前記第1の最大信号ループを含む少なくとも2つのループからセンシング信号を測定することを特徴とする請求項6に記載の電磁センシング装置。
- 前記制御部は、前記第1及び前記第2の最大信号ループ及び前記第1及び前記第2の最大信号ループに隣接したループからのセンシング信号に基づいて前記オブジェクトの位置に対応するセンシングポイントを判定することを特徴とする請求項6に記載の電磁センシング装置。
- 電磁誘導方式に基づいてオブジェクトの位置を測定する第1のサブループ部及び第2のサブループ部を含む電磁センシング装置の制御方法であって、
所定の時間期間で前記第1のサブループ部が電流の受信と電磁変化のセンシングとを交互に実行するように制御するステップと、
前記第2のサブループ部が前記所定の時間期間で前記第1のサブループ部の動作とは反対に電流の受信と電磁変化のセンシングとを交互に実行するように制御するステップと
を有することを特徴とする電磁センシング装置の制御方法。 - 前記第1及び第2のサブループ部のそれぞれは、複数のループを含み、前記電磁変化のセンシングは、電磁変化をセンシングするように設定された前記第1及び第2のサブループ部のうちの1つで前記複数のループのうちの少なくとも2つが同時に前記電磁変化をセンシングすることを特徴とする請求項9に記載の電磁センシング装置の制御方法。
- センシングされた前記電磁変化により誘導されたセンシング信号を処理するステップをさらに有することを特徴とする請求項9に記載の電磁センシング装置の制御方法。
- 前記第1のサブループ部及び前記第2のサブループ部のそれぞれは、複数のループを含み、
前記第2のサブループ部により電流を受信するステップは、
電磁変化センシングを実行するように設定された前記第1及び第2のサブループ部のうちの1つでセンシング信号の大きさが最大である第1の最大信号ループを決定するステップと、
前記所定の時間期間の後に、前記第1の最大信号ループのみを通して前記電流を提供するステップとを有することを特徴とする請求項9に記載の電磁センシング装置の制御方法。 - 前記第2のサブループ部を通して電流を提供した後に、前記第1の最大信号ループを通してさらに電流を提供し、前記第2のサブループ部が前記電磁変化をセンシングするように制御するステップをさらに有し、
前記第1の最大信号ループを通してさらに電流を提供するステップは、前記所定の時間期間の間に前記第1の最大信号ループのみを通して前記電流を提供し、前記第1の最大信号ループを含まない前記第1及び前記第2のサブループ部のうちの他の1つでセンシング信号の大きさが最大である第2の最大信号ループを決定することを特徴とする請求項12に記載の電磁センシング装置の制御方法。 - 前記制御部は、前記第1及び前記第2の最大信号ループ及び前記第1及び前記第2の最大信号ループに隣接したループからのセンシング信号に基づいて前記オブジェクトの位置に対応するセンシングポイントを判定することを特徴とする請求項13に記載の電磁センシング装置の制御方法。
- 電磁誘導方式に基づく電磁センシング装置であって、
複数のループをそれぞれ含み、電流の受信と電磁変化のセンシングとを交互に実行する第1のサブループ部及び第2のサブループ部を含むループ部と、
第1の時間期間の間には、前記第1のサブループ部のうちの1つのループが電流を受信し、前記第2のサブループ部が前記電磁変化をセンシングするように制御し、第2の時間期間の間には、前記第2のサブループ部のうちの1つのループが前記電流を受信し、前記第1のサブループ部が前記電磁変化をセンシングするように制御する制御部と
を有することを特徴とする電磁センシング装置。
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- 2011-09-15 KR KR1020110092968A patent/KR101830981B1/ko active IP Right Grant
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JP2015049890A (ja) * | 2013-09-04 | 2015-03-16 | エルジー ディスプレイ カンパニー リミテッド | 位置感知方法、位置感知装置、アンテナ装置、及びディスプレイ装置 |
CN104423770A (zh) * | 2013-09-04 | 2015-03-18 | 乐金显示有限公司 | 位置检测方法、位置检测装置、天线装置以及显示装置 |
US9631917B2 (en) | 2013-09-04 | 2017-04-25 | Lg Display Co., Ltd. | Position detection method, position detection apparatus, antenna apparatus, and display apparatus |
JP5661159B1 (ja) * | 2013-09-06 | 2015-01-28 | 精元電腦股▲ふん▼有限公司 | 位置検出システム |
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Also Published As
Publication number | Publication date |
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KR20130029606A (ko) | 2013-03-25 |
US20130069636A1 (en) | 2013-03-21 |
CN103049161B (zh) | 2017-05-10 |
US9464920B2 (en) | 2016-10-11 |
EP2570777B1 (en) | 2020-11-04 |
CN103049161A (zh) | 2013-04-17 |
KR101830981B1 (ko) | 2018-02-21 |
EP2570777A2 (en) | 2013-03-20 |
EP2570777A3 (en) | 2017-08-09 |
JP6066171B2 (ja) | 2017-01-25 |
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