WO2015059732A1 - 指定位置検出装置 - Google Patents
指定位置検出装置 Download PDFInfo
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- WO2015059732A1 WO2015059732A1 PCT/JP2013/006215 JP2013006215W WO2015059732A1 WO 2015059732 A1 WO2015059732 A1 WO 2015059732A1 JP 2013006215 W JP2013006215 W JP 2013006215W WO 2015059732 A1 WO2015059732 A1 WO 2015059732A1
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- axis loop
- position detection
- loop coils
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- output
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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
- G06F3/046—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means
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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
- G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
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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
- G06F3/0412—Digitisers structurally integrated in a display
Definitions
- the present invention relates to a designated position detection device, and is suitable for application to an information processing device having a tablet display surface, for example.
- An information processing apparatus having a tablet display surface is frequently used as a means by which a user can easily execute processing of information corresponding to the display position by designating a specific display position on the tablet display surface.
- the present invention has been made in consideration of the above points, and further simplifies the configuration for transmitting and receiving a position detection signal between the loop coil and the position specifying member, and can improve the position detection accuracy.
- a position detection device is proposed.
- the designated position detection device that outputs the designated position detection signal representing the designated position
- the XY plane A plurality of N X-axis loop coils X1, X2... XN made of conductors sequentially arranged in the X-axis direction and extending in the Y-direction, and X-axis loop coils X1, X2.
- YM which are sequentially arranged so as to cross XN and extend in the X direction.
- the position detection signal output unit 14 having the detection output switches 33X1, 33X2,... 33XN is provided.
- a tuning resonance current is caused to flow through a position specifying tool positioned close to one Y-axis loop coil based on a pulse drive resonance current that has flowed from the drive signal input unit to the Y-axis loop coil.
- a specified position detection output representing the coordinate position where the position specifying tool is positioned is obtained.
- a position detection signal that can be clearly distinguished from other coordinate positions can be obtained from a specific positioning target coordinate position by a simple configuration using the resonance operation of the component.
- FIG. 1 is a schematic system diagram illustrating an overall configuration of an information processing apparatus to which a position designation detection apparatus according to the present invention is applied.
- FIG. 2 is a schematic connection diagram illustrating a detailed configuration of a designated position detection unit 4 in FIG. 1.
- FIG. 6 is a signal waveform diagram illustrating a position detection operation of a designated position detection unit 4. It is a signal waveform diagram which shows the position detection operation
- reference numeral 1 denotes the information processing device according to the first embodiment as a whole, and the central processing unit 2 exchanges information with the tablet display board 3.
- the designated position detecting unit 4 including the tablet display board unit 3 when the user designates a specific position on the XY display surface of the tablet display board unit 3 by the position designator 5, the designation representing the designated position is designated.
- the position detection signal S1 is output from the designated position detection control unit 6 to the central processing unit 2, and the central processing unit 2 executes processing of corresponding information.
- the tablet display board part 3 has an X-axis loop coil board part 11 and a Y-axis loop coil board part 12 which are arranged so that the entire display surface overlaps, and the Y-axis loop coil board part 12 is controlled to be designated position detection.
- the drive signal input unit 13 controlled by the unit 6 signal input control in the Y-axis direction on the tablet display board unit 3 is performed.
- position detection control in the X-axis direction is performed using the detection signal output unit 14 in which the X-axis loop coil plate unit 11 is controlled by the designated position detection control unit 6.
- the X-axis loop coil plate unit 11 includes a plurality of N (for example, 32) X-axis loop coils X1 in the X-axis direction (lateral direction in FIG. 2). , X2... XN are sequentially arranged in the horizontal direction so as to be parallel to each other while extending vertically in the vertical direction.
- Each of the X-axis loop coils X1, X2,... XN has a configuration in which a linear conductive wire is wound once so as to have a vertically long rectangular shape, whereby the X-axis loop coil X1, X2... XN center positions in the X-axis direction can specify N coordinate positions at equal intervals in the X-axis direction on the XY display surface.
- the X-axis loop coils X1, X2,... XN are shifted in the lateral width direction with respect to the adjacent X-axis loop coils in the X-axis direction and partially overlap (three X-axis loop coils
- the position detection signal is interpolated in the X-axis direction to increase the detection accuracy of the designated position.
- a plurality of M pieces for example, 20 pieces of Y-axis loop coils Y1, Y2,... YM in the vertical direction in FIG. However, they are sequentially arranged in the Y-axis direction so as to be parallel to each other.
- Each of the Y-axis loop coils Y1, Y2,... YM has a configuration in which a linear conductive wire is wound once so as to form a vertically long rectangular shape in the horizontal direction, whereby the Y-axis loop coil Y1.
- Y2... YM center positions in the Y-axis direction can specify M coordinate positions at equal intervals in the Y-axis direction on the XY display surface.
- the Y-axis loop coils Y1, Y2,..., YM are shifted in the horizontal width direction and partially overlap with each other in the Y-axis direction (three Y-axis loop coils).
- the position detection signal is interpolated in the Y-axis direction to increase the detection accuracy of the designated position.
- the X-axis loop coil plate portion 11 and the Y-axis loop coil plate portion 12 are overlapped with each other with an insulating material layer interposed therebetween, so that the X-axis loop coils X1, X2,.
- the coils Y1, Y2,... YM are positioned so as to be orthogonal to each other in a grid pattern.
- the coordinates of the designated position are arranged in the X-axis loop coils X1, X2,. It can be determined based on the position, and can be specified by the arrangement position of the Y-axis loop coils Y1, Y2,... YM in the Y-axis direction.
- One end of the Y-axis loop coils Y1, Y2,... YM of the Y-axis loop coil plate part 12 is connected to the ground via drive input switches 21Y1, 21Y2... 21YM provided in the drive signal input part 13.
- These drive input switches 21Y1, 21Y2... 21YM are respectively sent at the timings shown in FIGS. 3 (B1), (B2)... (BM) by sequential switching signals S2Y1, S2Y2. ON / OFF controlled.
- position detection operation periods TY1, TY2,... TYM having a predetermined length are sequentially assigned to the Y-axis loop coils Y1, Y2,.
- the first half section is set as the drive input periods TY11, TY21... TYM1, and the switching signals S2Y1, S2Y2.
- Drive pulse signals S4Y1, S4Y2,... S4YM (FIG. 3 (C1), (C2)... (CM)) are supplied to Y-axis loop coils Y1, Y2,.
- each of the Y-axis loop coils Y1, Y2,... YM is connected to a power supply terminal that receives a power supply VDD from the designated position detection control unit 6 through a pulse drive switch 22 provided in the drive signal input unit 13.
- the pulse drive switch 22 is ON / OFF controlled at a predetermined pulse period by a pulse control signal S3 supplied from the designated position detection control unit 6, and as a result, as shown in FIGS. 3 (B1), (B2)... (BM).
- a pulse control signal S3 supplied from the designated position detection control unit 6, and as a result, as shown in FIGS. 3 (B1), (B2)... (BM).
- the drive input switches 11Y1, 11Y2,... 11YM are turned on by the drive input signals S2Y1, S2Y2,... S2YM
- the drive pulse signal S4Y1 is generated at the timing shown in FIGS. , S4Y2... S4YM are sequentially supplied to the Y-axis loop coils Y1, Y2... YM via the common connection point P1.
- the common connection point P1 between the pulse drive switch 22 and the Y-axis loop coils Y1, Y2,... YM is connected to the ground through the input-side resonance capacitor 25.
- position detection operation periods TY1, TY2,... TYM having a predetermined length are sequentially assigned to the Y-axis loop coils Y1, Y2,.
- the first half section is the drive input periods TY11, TY21... TYM1, and the switching signals S2Y1, S2Y2,.
- Drive pulse signals S4Y1, S4Y2,... S4YM (FIG. 3 (C1), (C2)... (CM)) are supplied to Y-axis loop coils Y1, Y2,.
- the resonance frequency of the parallel resonance circuit formed by the Y-axis loop coils Y1, Y2,... YM and the input-side resonance capacitor 25 is selected as the on / off frequency of the power supply VDD supplied through the pulse drive switch 22,
- a large current can flow, whereby a position detection operation period TY1, TY2,..., A drive input period TY11 in the first half of TYM, In TY12... TYM2, a strong drive magnetic field can be generated from the Y-axis loop coils Y1, Y2.
- each of the X-axis loop coils X1, X2,... XN of the X-axis loop coil plate portion 11 is further passed through position detection output switches 33X1, 33X2,.
- the other end of the X-axis loop coils X1, X2,... XN is connected in common to each other through the common connection line 34L2 and connected to the non-inverting input terminal of the output differential amplifier circuit 32 through the common connection line 34L1.
- the output differential amplifier circuit 32 is connected to the inverting input terminal.
- the sequential detection signals S5X1, S5X2,... S5XN supplied from the designated position detection control unit 6 are given to the position detection output switches 33X1, 33X2,... 33XN, as shown in (D1), (D2),.
- the position detection output switches 33X1, 33X2,... 33XN are respectively input between the non-inverting input terminal and the inverting input terminal of the output differential amplifier circuit 32.
- an output-side resonance capacitor 31 is connected between the common connection lines 34L1 and 34L2 at one end and the other end of the X-axis loop coils X1, X2.
- the X-axis loop coils X1, X2... XN and the output-side resonance capacitor 31 sequentially form a parallel resonance circuit.
- the inductive resonance voltage generated at both ends of the output differential amplifying circuit 32 is provided as a position detection output to the non-inverting input terminal and the inverting input terminal.
- the position specifying tool 5 is constituted by a resonance loop including a tuning coil 41 and a tuning capacitor 42, and as described above with reference to FIG. 3, the position detection operation period TY1 provided for the Y-axis loop coils Y1, Y2,. , TY2... TYM, a magnetic field is generated by applying drive inputs S2Y1, S2Y2... S2YM in the drive input periods TY11, TY21.
- a tuning resonance current that tunes to the magnetic field flows through the tuning coil 41 and the tuning capacitor 42, thereby storing tuning resonance energy.
- the tuning frequency of the tuning coil 41 and the tuning capacitor 42 is selected to be a value that matches the resonance frequency of the resonance current of the Y-axis loop coils Y1, Y2,.
- the resonance energy of the resonance current of the coils Y1, Y2,... YM can be efficiently stored in the tuning resonance loop.
- the tuning coil 41 and the tuning capacitor 42 are supplied with a tuning resonance current having a resonance frequency determined by the tuning coil 41 and the tuning capacitor 42 in the detection output periods TY12, TY22 following the drive input periods TY11, TY21. ... Continues flowing in TYM2 to induce induced electromotive force based on the joint oscillation current in the X-axis loop coils X1, X2,.
- the induced currents induced in the X-axis loop coils X1, X2... XN are detected in the respective detection output periods TY12, TY22... TYM2, as described above with reference to FIGS.
- the position detection output switches 33X1, 33X2,... 33XN are turned on, they resonate together with the output-side resonance capacitor 31.
- the resonance voltage obtained at both ends of the output-side resonance capacitor 31 is output differential.
- the position detection output signal S6 is sequentially transmitted through the amplifier circuit 32 and further through the synchronous detection circuit 37.
- the user designates, for example, the coordinate position (of the XY coordinates of the X-axis loop coil plate unit 11 and the Y-axis loop coil plate unit 12 of the tablet display board unit 3 with the position designator 5 ( Xn, Y2)
- the specified position detection control section 6 turns on the drive input switch 21Y2 by the sequential switching signal S2Y2 of the drive signal input section 13.
- the resonance input current is generated by the Y-axis loop coil Y2 and the input-side resonance capacitor 25 in the drive input period TY21 which is the first half of the position detection operation period TY2 in FIG. Is passed through the Y-axis loop coil Y2.
- the tuning coil 41 is magnetically coupled to the magnetic field generated by the drive resonance current flowing in the Y-axis loop coil Y2.
- drive input energy is given to the position specifying tool 5.
- the position detection signal output unit 14 sequentially switches the switching signals S5X1, S5X2,. ... S5XN sequentially turns on the position detection output switches 33X1, 33X2,... 33Xn,.
- the tuning coil 41 of the position specifying tool 5 generates a tuning resonance current in the X-axis loop coil Xn specified by the user, whereas the other X-axis loop coils X1, X2,... Xn-1, Since Xn + 1,... XN are positioned at positions that are not close to the position specifying tool 5, the X-axis loop coils other than the X-axis loop coil Xn are not in a state of generating a tuned resonance current.
- the induced current induced in the X-axis loop coil Xn maintains a state in which the induced resonance current flows through the output-side resonance capacitor 31. .
- a large induced resonance voltage is formed at both ends of the output-side resonance capacitor 31 of the position detection signal output unit 14 by a resonance operation, and this is passed through the output differential amplifier circuit 32 and further through the synchronous detection circuit 37. And output as a position detection output signal S6.
- the drive input switches 21Y1, 21Y2... 21YM are turned on for the Y-axis loop coils Y1, Y3... YM other than the coordinates (Xn, Y2) where the position specifying tool 5 is specified, and the input side resonance capacitor 25 Since the position specifying tool 5 is not positioned at a position close to the Y-axis loop coils Y1, Y3,... YM even if the resonance current flows from the tuning coil 41, the tuning coil 41 of the position specifying tool 5 performs the tuning operation. Therefore, it is not possible to obtain a state in which a tuning resonance current having a sufficient value flows through the tuning coil 41 and the tuning capacitor 42.
- the position detection output signal S6 (Xn, Y2) is output at the timing when the X-axis loop coil Xn is turned on during the detection output period TY22.
- the detection outputs obtained from the X-axis loop coils X1, X2... XN obtained in the output differential amplifier circuit 32 are X-axis loop coils X1, X2... XN and Y-axis loop coils Y1, Y2. Since a plurality of detection outputs are obtained from a plurality of X-axis loop coils in the vicinity of the specified position depending on how the specified position within the horizontal width of YM is deviated from the center position, the detection is performed by the coordinate position interpolation means provided in the central processing unit 2 A specified position detection signal corresponding to the specified position is obtained by performing an interpolation calculation from the output.
- the tuning coil 41 and the tuning capacitor 42 of the position designation tool 5 at the designated position are used.
- a tuning resonance current is induced in the X-axis loop coil Xn connected to the position detection signal output unit 14 from the position designating tool 5, and thereby the position designating tool 5.
- the detection output representing the coordinate position (Xn, Y2) designated by can be obtained.
- the input side Y-axis loop coils Y1, Y2,... Yn,..., YN,. , And the output X-axis loop coils X1, X2,... XN are inductively resonant with the output-side resonance capacitor 31 by the tuning resonance operation of the position specifying tool 5.
- a detection output having a large value corresponding to the coordinate position (Xn, Y2) positioned can be obtained with certainty.
- the position detection output signal S6 representing the coordinate position (Xn, Y2) designated by the position designation tool 5 with high accuracy can be obtained with a relatively simple configuration as a whole.
- the position detection signal output unit 14 includes the position detection operation periods TY1, TY2,... TYM, drive input periods TY11, TY12,. ... After supplying drive pulse signals S4Y1, S4Y2, ... S4YM to Y-axis loop coils Y1, Y2, ... YM in TYM1 (Fig. 3 (C1), (C2) ... (CM)), In the detection output periods TY12, TY22... TYM2, the position detection output signal S6 is obtained by applying sequential switching signals S5X1, S5X2,... S5XN corresponding to the X-axis loop coils X1, X2.
- the drive signal input unit 13 sets the position detection operation periods TY1, TY2,... TYM to the drive input periods TY11, TY21. (B1), (B2)... (BM)) and drive pulse signals S4Y1, S4Y2... S4YM (FIG. 4 (C1), (C2).
- the position detection signal output unit 14 uses the position detection operation periods TY1, TY2,... TYM as the detection output periods TY12, TY22... TYM2, and sequentially switches the switching signals S5X1, S5X2,. 33X1, 33X2... 33XN (FIG. 4 (D1), (D2)... (DM)).
- the position detection operation includes the noise component based on the drive input signal by performing the position detection operation at the same time as the drive input signal is applied.
- This noise component is output differential.
- the noise removal means provided in the amplifier circuit 32 and the synchronous detection circuit 37 removes the noise.
- the X axis loop coils X1, X2... XN and the Y axis loop coils Y1, Y2. ... YM has a configuration in which three X-axis loop coils and Y-axis loop coils are shifted so as to overlap each other, but the number of overlapping is three or more, or zero (does not shift so as to overlap). Even if it does, the effect similar to the above-mentioned case can be acquired.
- the X-axis loop coils X1, X2,... XN and the Y-axis loop coils Y1, Y2, may be a strip or plate, and the number of windings may be one or three or more.
- the X-axis loop coil plate unit 11 and the Y-axis loop coil plate unit 12 are stacked with an insulating material layer interposed therebetween.
- the present invention is not limited to this, and various configurations may be applied. In short, it is only necessary to be able to specify the coordinate position when the position specifying tool 5 is brought close.
- each switch unit may be configured by, for example, a semiconductor switch circuit.
- a MOSFET Metal-Oxide-Semiconductor Field-Effect Transistor
- IGBT Insulated Gate Bipolar Transistor
- an analog switch a transistor, or the like can be used.
- the present invention can be used when obtaining position information of a designated position from the operation panel display surface.
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Abstract
Description
図1において、1は全体として第1の実施の形態における情報処理装置を示し、中央処理ユニット2がタブレット表示板部3との間に情報の交換をすることにより、タブレット表示板部3を含む指定位置検出部4において、ユーザが当該タブレット表示板部3のXY表示面上の特定の位置を、位置指定具5によって指定したとき、その指定位置を表す指定位置検出信号S1を指定位置検出制御部6から中央処理ユニット2に出力し、中央処理ユニット2が対応する情報の処理を実行するようになされている。
X軸ループコイル板部11は、図2に示すように、X軸方向(図2の横方向)に複数N個分(例えば32個分)のX軸ループコイルX1、X2……XNが、縦方向に縦長に延長しながら互いに平行になるように、横方向に順次配設されている。
以上の構成において、ユーザが位置指定具5によってタブレット表示板部3のX軸ループコイル板部11及びY軸ループコイル板部12のXY座標のうち、例えば座標位置(Xn、Y2)位置に近接させることにより位置を指定すると、Y軸ループコイル板部12について、指定位置検出制御部6が駆動信号入力部13の順次切換信号S2Y2によって駆動入力スイッチ21Y2をオン動作させると共に、パルス駆動スイッチ22をパルス出力駆動動作させることにより、図3の位置検出動作期間TY2の前半部分である駆動入力期間TY21においてY軸ループコイルY2と入力側共振用コンデンサ25とによって共振入力電流をY軸ループコイルY2に流す。
上述した第1の実施の形態における位置検出信号出力部14は、図3の位置検出動作期間TY1、TY2……TYMの前半部の駆動入力期間TY11、TY12……TYM1においてY軸ループコイルY1、Y2……YMに対して駆動パルス信号S4Y1、S4Y2……S4YMを供給した後(図3(C1)、(C2)……(CM))、続く後半部の検出出力期間TY12、TY22……TYM2においてX軸ループコイルX1、X2……XNに対応する順次切換信号S5X1、S5X2……S5XNを与えることにより位置検出出力信号S6を得るようになされている。
(5-1)第1の実施の形態においては、X軸方向及びY軸方向について、X軸ループコイルX1、X2……XN及びY軸ループコイルY1、Y2……YMを、それぞれ3つのX軸ループコイル及びY軸ループコイルが重なり合う関係にずらした構成を有するようにしたが、重なり合う数としては3個以上とし、又は0個(重なり合うようにずらさない)とするようにしても、上述の場合と同様の効果を得ることができる。
Claims (7)
- ユーザが位置指定具によってXY平面の座標位置を位置指定をしたとき、当該指定位置を表す指定位置検出信号を出力する指定位置検出装置において、
上記XY平面のX軸方向に順次配設され、Y方向に延長する導体でなる複数N本のX軸ループコイルと、上記XY平面のY軸方向に上記X軸ループコイルと交差するように順次配設され、X方向に延長する導体でなる複数M本のY軸ループコイルと、
上記Y軸ループコイルの一端にそれぞれ接続され、順次オン動作したとき当該接続されたY軸ループコイルにパルス駆動共振電流を流すことにより磁界を発生させる複数の駆動入力スイッチを有する駆動信号入力部と、
ユーザによって上記XY平面において互いに交差するように配設された上記X軸ループコイル及び上記Y軸ループコイルに対して近接した位置に位置決めされたとき上記Y軸ループコイルから発生される磁界と差交することにより同調共振電流を流す位置指定具と、
上記X軸ループコイルの一端に接続され、順次オン動作したとき、上記位置指定具の上記同調共振電流によって誘導される誘導共振電流を上記X軸ループコイルに流すことにより検出出力を生成させる複数の位置検出出力スイッチを有する位置検出信号出力部と
を具えることを特徴とする指定位置検出装置。 - 上記駆動信号入力部は、上記複数のY軸ループコイルの他端の共通接続点に、パルス駆動スイッチ回路の出力端と並列共振用コンデンサとを接続することにより、上記パルス駆動共振電流を生成する
ことを特徴とする請求項1に記載の指定位置検出装置。 - 上記位置検出信号出力部は、上記複数のX軸ループコイルの他端の共通接続点に並列共振用コンデンサを接続することにより、オン動作した1の上記位置検出出力スイッチを通じて上記X軸ループコイルに誘導された誘導電流を当該1のX軸ループコイルと上記並列共振用コンデンサとによって共振させることによって上記誘導共振電流を形成する
ことを特徴とする請求項1に記載の指定位置検出装置。 - 上記位置検出信号出力部は、上記共振用コンデンサの両端電圧を差動増幅器で構成された出力差動増幅回路の非反転入力端及び反転入力端に入力することにより、出力差動増幅回路の出力端に、指定位置を表わす検出出力を出力する
ことを特徴とする請求項3に記載の指定位置検出装置。 - 上記駆動信号入力部のパルス駆動共振電流の共振周波数と、上記位置指定具の同調共振電流の共振周波数と、上記位置検出信号出力部の誘導共振電流の共振周波数とが同じ周波数に選定されている
ことを特徴とする請求項1に記載の指定位置検出装置。 - 上記駆動信号入力部は上記複数のY軸ループコイルに対して順次位置検出動作期間を割り当てて上記順次位置検出動作期間の前半部を駆動入力期間として上記複数のY軸ループコイルに駆動入力信号を与え、上記位置検出信号出力部は上記順次位置検出動作期間の後半部を検出出力期間として上記複数のX軸ループコイルから順次誘起された誘導共振電流に基づく検出出力を順次出力する
ことを特徴とする請求項1に記載の指定位置検出装置。 - 上記駆動信号入力部は上記複数のY軸ループコイルに対して順次位置検出動作期間を割り当てて上記順次位置検出動作期間を駆動入力期間として上記複数のY軸ループコイルに駆動入力信号を与え、上記位置検出信号出力部は上記順次位置検出動作期間を検出出力期間として上記複数のX軸ループコイルから順次誘起された誘導共振電流に基づく検出出力を順次出力する
ことを特徴とする請求項1に記載の指定位置検出装置。
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CN201380072252.9A CN105009053A (zh) | 2013-10-21 | 2013-10-21 | 指定位置检测装置 |
JP2014555426A JP5714194B1 (ja) | 2013-10-21 | 2013-10-21 | 指定位置検出装置 |
PCT/JP2013/006215 WO2015059732A1 (ja) | 2013-10-21 | 2013-10-21 | 指定位置検出装置 |
US14/430,493 US20160062532A1 (en) | 2013-10-21 | 2013-10-21 | Specified position detection device |
KR1020147030780A KR101489131B1 (ko) | 2013-10-21 | 2013-10-21 | 지정 위치 검출 장치 |
TW103136305A TW201523414A (zh) | 2013-10-21 | 2014-10-21 | 指定位置檢測裝置 |
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WO2016013105A1 (ja) * | 2014-07-25 | 2016-01-28 | ニューコムテクノ株式会社 | 位置検出ユニット |
CN104375732B (zh) * | 2014-11-28 | 2018-09-14 | 京东方科技集团股份有限公司 | 内嵌式触控模组、驱动方法、触控显示面板和显示装置 |
JP6408415B2 (ja) * | 2015-03-31 | 2018-10-17 | 株式会社ジャパンディスプレイ | 表示装置 |
JP6416687B2 (ja) * | 2015-04-17 | 2018-10-31 | 株式会社ジャパンディスプレイ | 表示装置およびタッチ検出装置 |
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- 2013-10-21 KR KR1020147030780A patent/KR101489131B1/ko active IP Right Grant
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US20160062532A1 (en) | 2016-03-03 |
JPWO2015059732A1 (ja) | 2017-03-09 |
JP5714194B1 (ja) | 2015-05-07 |
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