JP5976561B2 - Operating device - Google Patents
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- JP5976561B2 JP5976561B2 JP2013019363A JP2013019363A JP5976561B2 JP 5976561 B2 JP5976561 B2 JP 5976561B2 JP 2013019363 A JP2013019363 A JP 2013019363A JP 2013019363 A JP2013019363 A JP 2013019363A JP 5976561 B2 JP5976561 B2 JP 5976561B2
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Description
本発明は、操作装置に関する。 The present invention relates to an operating device.
従来の技術として、入力操作を行うためのタッチパネルと、タッチパネルの近くに配置された操作者の掌を載せるためのパームレストと、を備えた入力装置が知られている(例えば、特許文献1参照。)。 As a conventional technique, an input device including a touch panel for performing an input operation and a palm rest for placing an operator's palm arranged near the touch panel is known (see, for example, Patent Document 1). ).
この入力装置は、パームレストに掌を載せた状態でタッチパネルの操作ができるので、安定した操作が可能となる。 Since this input device can operate the touch panel with a palm resting on a palm rest, stable operation is possible.
しかし、従来の入力装置は、パームレストに掌を載せた状態で操作が行われるので、タッチパネル上を直線的に操作したつもりが、パームレストに載せられた掌が回転中心となって指の軌跡が円弧となり、表示画面に表示されたカーソル等の動きが意図した動きと異なって操作感が低下する可能性がある。 However, since the conventional input device is operated with the palm resting on the palm rest, the intention is to operate the touch panel linearly, but the finger trajectory is circular with the palm resting on the palm rest as the center of rotation. Thus, the movement of the cursor or the like displayed on the display screen may be different from the intended movement and the operational feeling may be reduced.
従って、本発明の目的は、操作感を向上させることができる操作装置を提供することにある。 Accordingly, an object of the present invention is to provide an operating device capable of improving the operational feeling.
本発明の一態様は、操作がなされる操作面を備え、操作面は、操作面を面対称となるように分ける対称面に直交する断面における操作面が作る第1の曲線と、操作面と対称面とが交わって形成される第2の曲線と、の交点における第1の曲線の曲率が、第2の曲線上の第1の点から第2の点に移動するに従って単調に変化する操作装置を提供する。 One embodiment of the present invention includes an operation surface on which an operation is performed, and the operation surface includes a first curve formed by an operation surface in a cross section orthogonal to a symmetry plane that divides the operation surface to be plane symmetric, An operation in which the curvature of the first curve at the intersection of the second curve formed by intersecting with the symmetry plane monotonously changes as the first point on the second curve moves from the first point to the second point. Providing equipment.
本発明によれば、操作感を向上させることができる。 According to the present invention, the operational feeling can be improved.
(実施の形態の要約)
実施の形態に係る操作装置は、操作がなされる操作面を備え、操作面は、操作面を面対称となるように分ける対称面に直交する断面における操作面が作る第1の曲線と、操作面と対称面とが交わって形成される第2の曲線と、の交点における第1の曲線の曲率が、第2の曲線上の第1の点から第2の点に移動するに従って単調に変化するように概略構成されている。
(Summary of embodiment)
An operation device according to an embodiment includes an operation surface on which an operation is performed, and the operation surface includes a first curve formed by an operation surface in a cross section orthogonal to a symmetry plane that divides the operation surface into plane symmetry, and the operation surface The curvature of the first curve at the intersection of the second curve formed by the intersection of the plane and the symmetry plane changes monotonously as it moves from the first point to the second point on the second curve The general configuration is as follows.
[実施の形態]
(操作装置1の構成)
図1(a)は、実施の形態に係る操作装置の斜視図であり、(b)は、操作装置を第2の端部側から見た概略図であり、(c)は、操作装置の上面図である。図2(a)は、実施の形態に係る操作装置の図1(c)に示すII(a)-II(a)線で切断した断面を矢印方向から見た断面図であり、(b)は、操作装置の図1(c)に示すII(b)-II(b)線で切断した断面を矢印方向から見た断面図であり、(c)は、操作装置の図1(c)に示すII(c)-II(c)線で切断した断面を矢印方向から見た断面図であり、(d)は、第1の軌跡と第2の軌跡の差について説明するためのII(d)-II(d)線で切断した断面を矢印方向から見た断面図であり、(e)は、操作装置のブロック図である。なお、実施の形態に係る各図において、図形間の比率は、実際の比率とは異なる場合がある。
[Embodiment]
(Configuration of operating device 1)
1A is a perspective view of the operating device according to the embodiment, FIG. 1B is a schematic view of the operating device viewed from the second end side, and FIG. 1C is a diagram of the operating device. It is a top view. 2A is a cross-sectional view of the operating device according to the embodiment, taken along the line II (a) -II (a) shown in FIG. 1C, as viewed from the direction of the arrow, and FIG. These are sectional drawings which looked at the section cut along line II (b) -II (b) shown in Drawing 1 (c) of an operating device from the direction of an arrow, and (c) is Drawing 1 (c) of an operating device. FIG. 2D is a cross-sectional view of the cross section taken along the line II (c) -II (c) shown in FIG. 2 as viewed from the direction of the arrow, and FIG. 2D is a cross-sectional view for explaining the difference between the first trajectory and the second trajectory. d) It is sectional drawing which looked at the cross section cut | disconnected by the II-d line from the arrow direction, (e) is a block diagram of an operating device. In each figure according to the embodiment, the ratio between figures may be different from the actual ratio.
この操作装置1は、一例として、車両の運転席と助手席との間に延びるフロアコンソールに配置されている。この操作装置1は、例えば、指による操作により、電子機器に表示されたカーソルの移動、表示されたアイコンのドラッグ、ドロップ等の指示を行うことができるように構成されている。この操作装置1は、例えば、導電性を有するペン等で操作が可能であるが、本実施の形態では、指による操作について説明する。 As an example, the operating device 1 is disposed on a floor console extending between a driver seat and a passenger seat of a vehicle. The operation device 1 is configured to be able to give instructions such as movement of a cursor displayed on an electronic device, dragging of a displayed icon, and dropping by an operation with a finger, for example. The operation device 1 can be operated with, for example, a conductive pen or the like. In the present embodiment, an operation with a finger will be described.
なお、以下において、特に断らない限り、操作装置1に関して用いる左右とは、図1(a)に示すように、操作装置1を操作する操作者から見た左右であり、上とは、車両の天井側であり、下とは、車両の床側であるものとする。 In the following, unless otherwise specified, the left and right used for the operating device 1 are the left and right viewed from the operator operating the operating device 1, as shown in FIG. It is the ceiling side, and the bottom is the floor side of the vehicle.
操作装置1は、例えば、操作面10に指が接触又は検出されるほど接近することによる、後述するセンサ電極と指との距離に反比例した電流の変化を検出する静電容量方式のタッチセンサである。本実施の形態では、操作面10に対する指の接触を検出するものとする。 The operation device 1 is, for example, a capacitive touch sensor that detects a change in current that is inversely proportional to the distance between a sensor electrode and a finger, which will be described later, when the finger comes close to the operation surface 10 or is detected. is there. In the present embodiment, it is assumed that a finger contact with the operation surface 10 is detected.
また、操作装置1は、例えば、図2(a)に示すように、検出部12と、制御部16と、を備えて概略構成されている。また、操作装置1が配置されるフロアコンソールには、図1(c)に示すように、操作者の手が置かれるパームレスト5が配置されている。 In addition, the controller device 1 is schematically configured to include a detection unit 12 and a control unit 16, for example, as shown in FIG. Moreover, as shown in FIG.1 (c), the palm rest 5 in which an operator's hand is placed is arrange | positioned at the floor console in which the operating device 1 is arrange | positioned.
(操作面10の構成)
この操作装置1は、図1(a)に示すように、操作がなされる操作面10を備え、操作面10は、操作面10を面対称となるように分ける対称面11に直交する断面における操作面10が作る第1の曲線100と、操作面10と対称面11とが交わって形成される第2の曲線110と、の交点100aにおける第1の曲線100の曲率が、第2の曲線110上の第1の点101aから第2の点102aに移動するに従って単調に変化するように概略構成されている。
(Configuration of operation surface 10)
As shown in FIG. 1A, the operation device 1 includes an operation surface 10 on which an operation is performed. The operation surface 10 is in a cross section orthogonal to a symmetry plane 11 that divides the operation surface 10 to be plane symmetric. The curvature of the first curve 100 at the intersection 100a between the first curve 100 formed by the operation surface 10 and the second curve 110 formed by the intersection of the operation surface 10 and the symmetry surface 11 is the second curve. It is schematically configured so as to change monotonously as it moves from the first point 101a on the 110 to the second point 102a.
ここで、上述の対称面11は、次のように定義される。図1(a)に示す操作面10上の点Aからある平面に垂線をおろし、この垂線と当該平面との交点を点Hとし、この垂線を点Hを超えて延長して操作面10と交わる点を点Bとした際に、線分AHと線分BHとが等しい場合、点Aと点Bは、当該平面に関して面対称であると定義される。従って、この当該平面が対称面11に相当する。 Here, the above-described symmetry plane 11 is defined as follows. A perpendicular is drawn from a point A on the operation surface 10 shown in FIG. 1A to a plane, the intersection of the normal and the plane is set as a point H, and the perpendicular is extended beyond the point H to When the intersecting point is a point B and the line segment AH and the line segment BH are equal, the point A and the point B are defined as being plane-symmetric with respect to the plane. Therefore, this plane corresponds to the symmetry plane 11.
つまり、操作面10は、図1(b)の紙面左側の操作面10上の第1の曲線100を、対称面11を境に折り返した場合、図1(b)の紙面右側の操作面10上の第1の曲線100と一致するような形状を有している。 That is, when the first curved surface 100 on the operation surface 10 on the left side in FIG. 1B is folded back with the symmetry plane 11 as the boundary, the operation surface 10 on the right side in FIG. It has a shape that matches the first curve 100 above.
また、上述の第1の曲線100は、対称面11に直交する任意の断面における操作面10の作る曲線を示している。つまり、第1の曲線100は、一例として、図2(a)〜(c)に示す断面における操作面10の作る曲線105〜曲線107に相当する。図2(a)〜(c)に示すように、曲線107は、曲線105及び曲線106と比べて直線に近くなっている。言い換えるなら、操作装置1の左右方向で切断した断面は、図2(a)〜(c)の断面で示すように、徐々に断面の形状が変化する徐変断面である。 Further, the first curve 100 described above indicates a curve formed by the operation surface 10 in an arbitrary cross section orthogonal to the symmetry plane 11. That is, the 1st curve 100 is equivalent to the curve 105-curve 107 which the operation surface 10 in the cross section shown to Fig.2 (a)-(c) as an example. As shown in FIGS. 2A to 2C, the curve 107 is closer to a straight line than the curves 105 and 106. In other words, the cross section cut in the left-right direction of the controller device 1 is a gradually changing cross section in which the shape of the cross section gradually changes as shown in the cross sections of FIGS.
従って、第1の曲線100は、例えば、図1(a)及び(b)に示すように、操作者側の操作面10の端部である第1の端部101の第1の点101aから操作者から最も離れた端部である第2の端部102の第2の点102aに向かって、第1の曲線100の曲率が大きくなっている。つまり、操作面10は、操作者から離れるに従って曲率が単調に増加するように構成されている。図1(a)に示す仮想曲面3は、操作者から離れるに従って曲率が単調に増加し、さらに、操作面10を含む曲面を示している。この仮想曲面3は、図1(a)に示すように、操作者の手の回転中心4の近傍が平坦であり、操作者から離れるに従って下側に凹形状が形成され、この凹形状の曲率が増加する形状を有している。 Accordingly, for example, as shown in FIGS. 1A and 1B, the first curve 100 starts from the first point 101a of the first end 101 that is the end of the operation surface 10 on the operator side. The curvature of the first curve 100 increases toward the second point 102a of the second end 102, which is the end farthest from the operator. That is, the operation surface 10 is configured such that the curvature increases monotonously as the operator moves away from the operator. The virtual curved surface 3 shown in FIG. 1A shows a curved surface including the operation surface 10, and the curvature increases monotonously with increasing distance from the operator. As shown in FIG. 1 (a), the virtual curved surface 3 is flat in the vicinity of the rotation center 4 of the operator's hand, and a concave shape is formed on the lower side as the operator moves away from the operator. Has an increasing shape.
上述の曲率は、第1の曲線100と第2の曲線110との交点100aにおける曲率を示している。本実施の形態では、第1の曲線100上の任意の点における曲率は、当該交点100aの曲率と実質的に等しいが、これに限定されない。例えば、操作面10は、操作装置1の左側及び右側の端部(後述する左端部103及び右端部104)の近傍で曲率が変化しても良い。これは、後述するように、操作面10の左側及び右側では、仮想平面2における操作の軌跡(後述する第1の軌跡21)と、仮想曲面3における操作の軌跡(後述する第2の軌跡31)と、のずれが小さいので、より後述する電極基板13に操作面10を近づけるように操作装置1が構成されても良いからである。 The curvature described above indicates the curvature at the intersection 100 a between the first curve 100 and the second curve 110. In the present embodiment, the curvature at an arbitrary point on the first curve 100 is substantially equal to the curvature of the intersection 100a, but is not limited to this. For example, the curvature of the operation surface 10 may change in the vicinity of the left and right end portions (left end portion 103 and right end portion 104 described later) of the operation device 1. As will be described later, on the left and right sides of the operation surface 10, an operation locus on the virtual plane 2 (first locus 21 described later) and an operation locus on the virtual curved surface 3 (second locus 31 described later). This is because the operation device 1 may be configured to bring the operation surface 10 closer to the electrode substrate 13 described later.
なお、上述の仮想平面2は、操作面10が平坦な場合の平面を表している。また、上述の回転中心4は、操作者の手がパームレスト5に載せられ、かつ、パームレスト5の左右方向に手が移動しない状態で、図1(c)の紙面の左右方向に操作を行った際の回転の中心を示している。この回転中心4は、一例として、仮想平面2上に位置するものとしている。 The virtual plane 2 described above represents a plane when the operation surface 10 is flat. The rotation center 4 described above is operated in the left-right direction on the paper surface of FIG. 1C in a state where the operator's hand is placed on the palm rest 5 and the hand does not move in the left-right direction of the palm rest 5. The center of rotation is shown. The rotation center 4 is assumed to be located on the virtual plane 2 as an example.
上述の第2の曲線110は、図1(a)に示すように、操作面10と対称面11とが交わって形成され、本実施の形態では直線となっている。 As shown in FIG. 1A, the above-described second curve 110 is formed by the operation surface 10 and the symmetry surface 11 intersecting, and is a straight line in the present embodiment.
また、操作面10は、図1(a)に示すように、操作者から離れるに従って下方向に傾斜している。つまり、操作面10は、操作者から離れるに従って仮想平面2から離れるように下方向に傾斜している。操作面10が傾斜しているので、操作者は、指による自然な操作が可能となる。 Further, as shown in FIG. 1A, the operation surface 10 is inclined downward as it is away from the operator. That is, the operation surface 10 is inclined downward so as to be separated from the virtual plane 2 as it is separated from the operator. Since the operation surface 10 is inclined, the operator can perform natural operations with fingers.
(検出部12の構成)
検出部12は、図2(e)に示すように、複数のセンサ電極130と、駆動部14と、読出部15と、を備えて概略構成されている。
(Configuration of the detection unit 12)
As shown in FIG. 2 (e), the detection unit 12 is schematically configured to include a plurality of sensor electrodes 130, a drive unit 14, and a reading unit 15.
センサ電極130は、導電性を有する導電材料を用いて線状に形成されている。このセンサ電極130は、例えば、操作面10の下方に格子状に配置されている。このセンサ電極130は、一例として、図2(a)〜(c)に示すフィルム状の電極基板13に形成されている。 The sensor electrode 130 is formed in a linear shape using a conductive material having conductivity. For example, the sensor electrodes 130 are arranged in a lattice shape below the operation surface 10. As an example, the sensor electrode 130 is formed on a film-like electrode substrate 13 shown in FIGS.
本実施の形態では、図1(c)の紙面の横方向をX軸、縦方向をY軸とし、図1(c)の紙面において操作面10の左上を原点としている。センサ電極130は、このX軸及びY軸に沿って格子状に並んでいる。本実施の形態では、センサ電極130は、一例として、X軸とY軸とで、5つのセンサ電極が並べられているが、これに限定されず、用途に応じて任意である。 In the present embodiment, the horizontal direction of the paper surface of FIG. 1C is the X axis and the vertical direction is the Y axis, and the upper left of the operation surface 10 is the origin in the paper surface of FIG. The sensor electrodes 130 are arranged in a grid along the X axis and the Y axis. In the present embodiment, as an example, the sensor electrode 130 includes five sensor electrodes arranged on the X axis and the Y axis. However, the sensor electrode 130 is not limited to this and may be arbitrary depending on the application.
駆動部14は、例えば、図2(e)に示すように、Y軸に平行に等間隔で並べられたX1〜X5のセンサ電極130が電気的に接続されている。このX1〜X5のセンサ電極130は、例えば、X軸の目盛に対応して並べられている。 For example, as illustrated in FIG. 2E, the driving unit 14 is electrically connected to the sensor electrodes 130 of X 1 to X 5 arranged in parallel to the Y axis at equal intervals. The sensor electrodes 130 of X 1 to X 5 are arranged corresponding to the scale of the X axis, for example.
また、読出部15は、例えば、X軸に平行に等間隔で並べられたY1〜Y5のセンサ電極130が電気的に接続されている。全てのセンサ電極130は、それぞれが電気的に絶縁されている。このY1〜Y5のセンサ電極130は、例えば、Y軸の目盛に対応して並べられている。 In addition, the reading unit 15 is electrically connected to, for example, the sensor electrodes 130 of Y 1 to Y 5 arranged at equal intervals in parallel to the X axis. All the sensor electrodes 130 are electrically insulated from each other. The sensor electrodes 130 of Y 1 to Y 5 are arranged, for example, corresponding to the scale of the Y axis.
駆動部14は、一例として、X1のセンサ電極130からX5のセンサ電極130の順番で、後述するクロック信号に基づいて、制御部16から供給された駆動信号を出力するように構成されている。また、読出部15は、一例として、Y1のセンサ電極130からY5のセンサ電極130の順番で、静電容量を読み出して読出情報として制御部16に出力するように構成されている。 Driver 14, as an example, in the order of the sensor electrode 130 of the X 5 from the sensor electrode 130 of the X 1, based on a clock signal described later, is configured to output a driving signal supplied from the control unit 16 Yes. Further, as an example, the reading unit 15 is configured to read out the capacitance in the order of the Y 1 sensor electrode 130 to the Y 5 sensor electrode 130 and output it as read information to the control unit 16.
(制御部16の構成)
制御部16は、例えば、記憶されたプログラムに従って、取得したデータに演算、加工等を行うCPU(Central Processing Unit)、半導体メモリであるRAM(Random Access Memory)及びROM(Read Only Memory)等から構成されるマイクロコンピュータである。このROMには、例えば、制御部16が動作するためのプログラムが格納されている。RAMは、例えば、一時的に演算結果等を格納する記憶領域として用いられる。また制御部16は、その内部にクロック信号を生成するクロック信号生成部160を有し、このクロック信号に基づいて動作を行う。
(Configuration of control unit 16)
The control unit 16 includes, for example, a CPU (Central Processing Unit) that performs operations and processes on acquired data according to a stored program, a RAM (Random Access Memory) that is a semiconductor memory, a ROM (Read Only Memory), and the like. Microcomputer. In this ROM, for example, a program for operating the control unit 16 is stored. For example, the RAM is used as a storage area for temporarily storing calculation results and the like. The control unit 16 includes a clock signal generation unit 160 that generates a clock signal therein, and performs an operation based on the clock signal.
制御部16は、例えば、クロック信号に基づいて駆動信号を出力することで駆動部14を制御すると共に、読出部15から所得した読出情報に基づいて操作情報を生成し、操作装置1が電気的に接続された電子機器に出力するように構成されている。 For example, the control unit 16 outputs a drive signal based on a clock signal to control the drive unit 14 and generates operation information based on the read information obtained from the read unit 15. It is comprised so that it may output to the electronic device connected to.
(操作性について)
操作面が仮想平面2の平面内にある場合、例えば、操作者が仮想平面2の左から右へと指を移動させると、指の軌跡は、図1(c)に一点鎖線で示す円弧である第1の軌跡21に近いものになる。操作者は、左右方向に直線的に操作を行ったつもりであっても指の軌跡が円弧となり、この円弧である第1の軌跡21を、検出部12が検出するので、操作者の意図しない操作が電子機器により実行される可能性があり操作性が良くない。
(About operability)
When the operation surface is in the plane of the virtual plane 2, for example, when the operator moves his / her finger from the left to the right of the virtual plane 2, the trajectory of the finger is an arc indicated by a dashed line in FIG. It becomes close to a certain first trajectory 21. Even if the operator intends to perform the operation linearly in the left-right direction, the trajectory of the finger is an arc, and the detection unit 12 detects the first trajectory 21 that is the arc, which is not intended by the operator. The operation may be performed by an electronic device, and the operability is not good.
つまり、操作者は、例えば、操作面上を直線的に操作したつもりが、パームレストに載せられた手が回転中心となって指の軌跡が円弧となり、表示画面に表示されたカーソル等の動きが意図した動きと異なって操作感が低下する可能性がある。 In other words, for example, the operator intends to linearly operate the operation surface, but the hand placed on the palm rest is the center of rotation and the trajectory of the finger is an arc, and the movement of the cursor or the like displayed on the display screen is Unlike the intended movement, the operational feeling may be reduced.
従って、操作者がパームレスト5に手を置いた状態で左右方向の操作を行った際、指の軌跡が図1(c)に示す二点鎖線の直線である第2の軌跡31に近いことが好ましい。この第2の軌跡31は、操作面10上の軌跡を仮想平面2に投影したものである。つまり、操作者が、左右に直線的な操作を行った場合、指の軌跡が第2の軌跡31に近づくことで、座標変換等の複雑な計算を行うことなく、操作者の意図に応じたカーソル等の移動が実行される。よって、操作面10は、仮想平面2において円弧となる操作の軌跡が、操作面10を上から見た際にほぼ直線の軌跡となるような形状を有することが好ましい。 Therefore, when the operator performs a left / right operation while placing his / her hand on the palm rest 5, the trajectory of the finger is close to the second trajectory 31, which is a two-dot chain line shown in FIG. 1 (c). preferable. The second trajectory 31 is a projection of the trajectory on the operation surface 10 on the virtual plane 2. In other words, when the operator performs a linear operation from side to side, the finger trajectory approaches the second trajectory 31, so that the operator's intention is met without performing complicated calculations such as coordinate transformation. The cursor is moved. Therefore, it is preferable that the operation surface 10 has a shape such that an operation trajectory that is an arc in the virtual plane 2 is a substantially linear trajectory when the operation surface 10 is viewed from above.
操作装置1を上から見た場合の図1(c)における第1の軌跡21と第2の軌跡31との差は、仮想平面2の中心線20における差が最大となるので、この差が小さくなるような操作面10の形状であることが好ましい。この中心線20は、第2の曲線110を仮想平面2に投影した線である。この差dr1は、回転中心4から指までの距離をr、左端部103に指がある際の回転中心4から左端部103までの距離rと仮想平面2の中心線20との角度をθ1とすると、以下の式(1)で表すことができる。
dr1=r(1−cosθ1)・・・(1)
ただし定義域は、0≦θ1≦π/2である。
The difference between the first trajectory 21 and the second trajectory 31 in FIG. 1C when the operating device 1 is viewed from above is the largest at the center line 20 of the virtual plane 2. The shape of the operation surface 10 is preferably small. The center line 20 is a line obtained by projecting the second curve 110 onto the virtual plane 2. The difference dr 1 is the distance r from the rotation center 4 to the finger, and the angle between the distance r from the rotation center 4 to the left end 103 when the finger is at the left end 103 and the center line 20 of the virtual plane 2 is θ If it is 1, it can be represented by the following formula (1).
dr 1 = r (1-cos θ 1 ) (1)
However, the domain is 0 ≦ θ 1 ≦ π / 2.
一方、操作者の指は、図2(d)に示すように、仮想平面2の中心線20上では接点22であるが、操作面10が操作者に離れるに従って傾斜しているので、下方向に回転中心4を中心として回転することとなる。つまり、操作者の指は、図2(d)に示す円弧6と操作面10との交点であり、第2の曲線110上の点でもある接点32において操作面10と接触する。この円弧6は、回転中心4を中心とした半径rの円の一部である。この接点32を仮想平面2に投影した点と仮想平面2上の接点32との差dr2は、以下の式(2)により表すことができる。
dr2=r(1−cosθ2)・・・(2)
ただし定義域は、0≦θ1≦π/2である。
On the other hand, as shown in FIG. 2D, the operator's finger is a contact 22 on the center line 20 of the virtual plane 2, but the operator's finger is inclined downward as the operation surface 10 moves away from the operator. Will rotate around the center of rotation 4. That is, the operator's finger is in contact with the operation surface 10 at the contact point 32 that is the intersection of the arc 6 and the operation surface 10 shown in FIG. This arc 6 is a part of a circle with a radius r centered on the rotation center 4. A difference dr 2 between a point obtained by projecting the contact 32 on the virtual plane 2 and the contact 32 on the virtual plane 2 can be expressed by the following equation (2).
dr 2 = r (1-cos θ 2 ) (2)
However, the domain is 0 ≦ θ 1 ≦ π / 2.
この差dr1と差dr2との差(=dr1−dr2)は、以下の式(3)を満たすことが好ましい。
0≦dr1−dr2=r(cosθ2−cosθ1)<ε・・・(3)
この式(3)は、差(=dr1−dr2)が、ある値ε(≧0)より小さいことを示している。この値εは、小さいことが好ましい。また、少なくとも(cosθ2−cosθ1)がゼロ以上である必要がある。よって、距離rは、ゼロではない正の数であり、cosθ2及びcosθ1は0以上1以下の値を取るので、式(3)から次の式(4)及び式(5)が得られる。
cosθ2≧cosθ1・・・(4)
θ2≧θ1・・・(5)
つまり、式(5)を満たす場合、差(=dr1−dr2)が小さくなり、操作者が回転中心4を中心として指を左右方向に移動させた第1の軌跡21が、操作面10上では第2の軌跡31に近いものとなる。特に、角度θ1と角度θ2が等しい場合は、値εがゼロとなり、操作面10上の接点32が、仮想平面2上の接点22と一致する。
The difference (= dr 1 −dr 2 ) between the difference dr 1 and the difference dr 2 preferably satisfies the following formula (3).
0 ≦ dr 1 −dr 2 = r (cos θ 2 −cos θ 1 ) <ε (3)
This expression (3) indicates that the difference (= dr 1 −dr 2 ) is smaller than a certain value ε (≧ 0). This value ε is preferably small. Further, at least (cos θ 2 −cos θ 1 ) needs to be zero or more. Therefore, the distance r is a positive number that is not zero, and cos θ 2 and cos θ 1 take values of 0 or more and 1 or less, so that the following expressions (4) and (5) are obtained from the expression (3). .
cos θ 2 ≧ cos θ 1 (4)
θ 2 ≧ θ 1 (5)
That is, when Expression (5) is satisfied, the difference (= dr 1 −dr 2 ) is small, and the first locus 21 in which the operator moves the finger in the left-right direction around the rotation center 4 is the operation surface 10. Above, it is close to the second trajectory 31. In particular, when the angle θ 1 is equal to the angle θ 2 , the value ε is zero, and the contact 32 on the operation surface 10 coincides with the contact 22 on the virtual plane 2.
従って、操作面10は、一例として、頻繁に操作が行われる領域や操作面10の中央近傍で式(5)を満たすような形状とすることで、操作感を向上させることが可能となる。 Therefore, as an example, the operation surface 10 can have an operational feeling improved by having a shape that satisfies the expression (5) in a frequently operated region or in the vicinity of the center of the operation surface 10.
一方、仮想平面2の中心線20から左右にずれた場所では、角度θ1が小さくなると共に、角度θ2もまた小さくなる。つまり、角度θ1は、中心線20上にあった接点22が、左端部103又は右端部104に近づくにつれて小さくなる。同様に、操作面10の接点32は、左端部103又は右端部104に近づくにつれて仮想平面2に近くなる、すなわち、角度θ2が小さくなる。また、角度θ1は、指が左端部103又は右端部104に位置する場合にゼロとなり、指が中心線20上に位置する場合に最大となる。角度θ2は、指が左端部103及び右端部に位置する場合にゼロに近くなり、指が中心線20上に位置する場合に最大となる。よって、角度θ1及び角度θ2は、単調に変化すると共に式(5)が上述の定義域の範囲で満たされることから、指の軌跡が第2の軌跡31に近くなる。 On the other hand, the location shifted to the left or right from the center line 20 of the virtual plane 2, with the angle theta 1 is reduced, the angle theta 2 is also reduced. That is, the angle θ 1 decreases as the contact point 22 on the center line 20 approaches the left end portion 103 or the right end portion 104. Similarly, the contacts 32 of the operation surface 10 is closer to the virtual plane 2 closer to the left end portion 103 or the right end portion 104, i.e., the angle theta 2 is reduced. Further, the angle θ 1 becomes zero when the finger is positioned at the left end portion 103 or the right end portion 104 and becomes maximum when the finger is positioned on the center line 20. The angle θ2 is close to zero when the finger is positioned at the left end portion 103 and the right end portion, and is maximum when the finger is positioned on the center line 20. Accordingly, the angle θ 1 and the angle θ 2 change monotonously and the expression (5) is satisfied within the above-mentioned range of definition, so that the finger locus is close to the second locus 31.
また、操作面10の第1の曲線100と第2の曲線110との交点100aにおける曲率が、第2の曲線110上の第1の点101aから第2の点102aまで一定である場合、操作者に近づいても曲率が変わらないので、左右方向の操作がし難い問題がある。つまり、操作者は、パームレスト5に手が置かれていることから指を縮めて操作するので、操作面10の左端部103及び右端部104が壁のようになり、操作がし難い。しかし、本実施の形態では、操作者に近づくにつれて、曲率が減少して平面に近くなるので、違和感の少ない操作を行うことが可能となる。 When the curvature at the intersection 100a between the first curve 100 and the second curve 110 on the operation surface 10 is constant from the first point 101a to the second point 102a on the second curve 110, the operation is performed. Since the curvature does not change even when approaching the person, there is a problem that it is difficult to operate in the left-right direction. That is, since the operator operates with the finger contracted because the hand is placed on the palm rest 5, the left end portion 103 and the right end portion 104 of the operation surface 10 become like a wall and are difficult to operate. However, in the present embodiment, as the operator approaches the operator, the curvature decreases and becomes closer to a flat surface, so that an operation with less discomfort can be performed.
以下に、本実施の形態に係る操作装置1の動作について説明する。 Below, operation | movement of the operating device 1 which concerns on this Embodiment is demonstrated.
(動作)
操作装置1の制御部16は、電源が投入されると、クロック信号生成部160が生成したクロック信号に基づいて駆動信号を生成し、検出部12の駆動部14に出力する。
(Operation)
When the power is turned on, the controller 16 of the controller device 1 generates a drive signal based on the clock signal generated by the clock signal generator 160 and outputs the drive signal to the driver 14 of the detector 12.
駆動部14は、取得した駆動信号に基づいてX1〜X5のセンサ電極130を順番に駆動する。読出部15は、X1〜X5のセンサ電極130ごとに、Y1〜Y5のセンサ電極130の静電容量を順番に読み出し、1周期の読み出しが終了すると、読出情報を生成して制御部16に出力する。 The drive unit 14 sequentially drives the sensor electrodes 130 of X 1 to X 5 based on the acquired drive signal. The reading unit 15 sequentially reads the capacitances of the sensor electrodes 130 of Y 1 to Y 5 for each of the sensor electrodes 130 of X 1 to X 5 , and generates read information and controls when reading of one cycle is completed. To the unit 16.
制御部16は、取得した読出情報に基づいて操作情報を生成し、接続された電子機器に出力する。これらの動作は、操作装置1を動作させるための電圧が供給されている間、クロック信号に基づいて周期的に行われる。 The control unit 16 generates operation information based on the acquired read information and outputs it to the connected electronic device. These operations are periodically performed based on the clock signal while the voltage for operating the controller device 1 is supplied.
(実施の形態の効果)
本実施の形態に係る操作装置1は、操作感を向上させることができる。具体的には、操作装置1は、操作者が操作面10の左右方向に指を移動させた際に円弧となる軌跡を、操作面10を操作者側から離れるにつれて曲率が大きくなる曲面形状とすることで直線的な軌跡に換えるので、操作面が平面である場合と比べて、無理にパームレスト5上を左右方向に移動することなく安定した違和感の少ない操作を行うことができ、操作性が向上する。
(Effect of embodiment)
The operating device 1 according to the present embodiment can improve the operational feeling. Specifically, the controller device 1 has a trajectory that becomes an arc when the operator moves his / her finger in the left-right direction of the operation surface 10, and has a curved shape whose curvature increases as the operation surface 10 moves away from the operator side. Therefore, compared to the case where the operation surface is a flat surface, the operation can be performed stably and less uncomfortable without forcibly moving on the palm rest 5 in the left-right direction. improves.
操作装置1は、円弧となる軌跡を計算によって直線に変換する複雑な計算を必要としないので、円弧を直線に変換する計算が必要な場合、つまり座標変換を計算で行う場合と比べて、計算能力が低い制御部16を使用することが可能となり、製造コストが低減される。 Since the controller device 1 does not require a complicated calculation for converting a trajectory to be a circular arc into a straight line by calculation, the calculation is required in comparison with a case where calculation for converting an arc into a straight line is necessary, that is, when coordinate conversion is performed by calculation. It becomes possible to use the control part 16 with low capability, and a manufacturing cost is reduced.
操作装置1は、操作面10が操作者側から離れるにつれて下がるように傾斜しているので、パームレスト5に置いた手による操作が容易で操作性が高い。 Since the operation device 1 is inclined so that the operation surface 10 is lowered from the operator side, the operation device 1 can be easily operated by a hand placed on the palm rest 5 and has high operability.
操作装置1は、センサ電極130を操作面10に沿って貼り付ける必要がないので、曲面にセンサ電極を貼り付ける場合と比べて、組み付けが容易であり、工程数が少なくなって製造コストが低減される。 Since the operation device 1 does not need to affix the sensor electrode 130 along the operation surface 10, it is easier to assemble than the case where the sensor electrode is affixed to a curved surface, and the number of processes is reduced, resulting in a reduction in manufacturing cost. Is done.
操作装置1は、センサ電極130を操作者の指が描く円弧、つまり第1の軌跡21に沿うような配置を行わずに、格子状に配置することができるので、計算により座標を変換する必要がなく、また、センサ電極130が形成された電極基板13の組み付けが容易であるので、製造コストが低減される。 Since the operating device 1 can arrange the sensor electrode 130 in a grid pattern without arranging the sensor electrode 130 along the arc drawn by the finger of the operator, that is, along the first trajectory 21, it is necessary to convert coordinates by calculation. In addition, since the assembly of the electrode substrate 13 on which the sensor electrode 130 is formed is easy, the manufacturing cost is reduced.
なお変形例として、上述の実施の形態における操作面10は、凹形状を有する曲面であったが、凸形状を有する曲面であっても良い。 As a modification, the operation surface 10 in the above-described embodiment is a curved surface having a concave shape, but may be a curved surface having a convex shape.
以上、本発明のいくつかの実施の形態及び変形例を説明したが、これらの実施の形態及び変形例は、一例に過ぎず、特許請求の範囲に係る発明を限定するものではない。これら新規な実施の形態及び変形例は、その他の様々な形態で実施されることが可能であり、本発明の要旨を逸脱しない範囲で、種々の省略、置き換え、変更等を行うことができる。また、これら実施の形態及び変形例の中で説明した特徴の組合せの全てが発明の課題を解決するための手段に必須であるとは限らない。さらに、これら実施の形態及び変形例は、発明の範囲及び要旨に含まれるとともに、特許請求の範囲に記載された発明とその均等の範囲に含まれる。 As mentioned above, although some embodiment and modification of this invention were demonstrated, these embodiment and modification are only examples, and do not limit the invention based on a claim. These novel embodiments and modifications can be implemented in various other forms, and various omissions, replacements, changes, and the like can be made without departing from the scope of the present invention. In addition, not all combinations of features described in these embodiments and modifications are necessarily essential to the means for solving the problems of the invention. Furthermore, these embodiments and modifications are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.
1…操作装置
2…仮想平面
3…仮想曲面
4…回転中心
5…パームレスト
6…円弧
10…操作面
11…対称面
12…検出部
13…電極基板
14…駆動部
15…読出部
16…制御部
20…中心線
21…第1の軌跡
22…接点
31…第2の軌跡
32…接点
100…第1の曲線
100a…交点
101…第1の端部
101a…第1の点
102…第2の端部
102a…第2の点
103…左端部
104…右端部
105〜107…曲線
110…第2の曲線
130…センサ電極
160…クロック信号生成部
DESCRIPTION OF SYMBOLS 1 ... Operating device 2 ... Virtual plane 3 ... Virtual curved surface 4 ... Center of rotation 5 ... Palm rest 6 ... Arc 10 ... Operation surface 11 ... Symmetrical surface 12 ... Detection part 13 ... Electrode board 14 ... Drive part 15 ... Reading part 16 ... Control part 20 ... center line 21 ... first locus 22 ... contact 31 ... second locus 32 ... contact 100 ... first curve 100a ... intersection 101 ... first end 101a ... first point 102 ... second end Part 102a ... Second point 103 ... Left end part 104 ... Right end part 105-107 ... Curve 110 ... Second curve 130 ... Sensor electrode 160 ... Clock signal generator
Claims (3)
前記操作面は、前記操作面を面対称となるように分ける対称面に直交する断面における前記操作面が作る第1の曲線と、前記操作面と前記対称面とが交わって形成される第2の曲線と、の交点における前記第1の曲線の曲率が、前記第2の曲線上の第1の点から第2の点に移動するに従って単調に変化する操作装置。 It has an operation surface that can be operated,
The operation surface is formed by intersecting the operation surface and the symmetry surface with a first curve formed by the operation surface in a cross section orthogonal to a symmetry surface that divides the operation surface so as to be plane symmetric. The curvature of the first curve at the intersection of the first curve and the second curve changes monotonously as it moves from the first point to the second point on the second curve.
請求項1に記載の操作装置。 The curvature increases monotonously as the operation surface moves away from the operator.
The operating device according to claim 1.
請求項2に記載の操作装置。 The operation surface is inclined downward as it is away from the operator.
The operating device according to claim 2.
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JP2000132010A (en) * | 1998-10-21 | 2000-05-12 | Ricoh Co Ltd | Image forming device |
JP2003280814A (en) * | 2002-03-25 | 2003-10-02 | Toyota Motor Corp | Input device |
JP2009181423A (en) * | 2008-01-31 | 2009-08-13 | Denso Corp | Operation input device |
JP2010128609A (en) * | 2008-11-25 | 2010-06-10 | Fujitsu Ltd | Display panel and portable terminal equipment |
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