JP2002342033A - Non-contact type user input device - Google Patents

Non-contact type user input device

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Publication number
JP2002342033A
JP2002342033A JP2001151499A JP2001151499A JP2002342033A JP 2002342033 A JP2002342033 A JP 2002342033A JP 2001151499 A JP2001151499 A JP 2001151499A JP 2001151499 A JP2001151499 A JP 2001151499A JP 2002342033 A JP2002342033 A JP 2002342033A
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electrode
user input
input device
electrodes
transmission
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JP2001151499A
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JP3800984B2 (en )
JP2002342033A5 (en )
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Jiyunichi Rekimoto
純一 暦本
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Sony Corp
ソニー株式会社
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Abstract

PROBLEM TO BE SOLVED: To recognize the information of two or more points and the shape of an approaching object. SOLUTION: A non-contact type user input device is provided with a plurality of linear transmission electrodes, a transmitter supplying an AC current for transmission to the respective transmission electrodes, a plurality of linear reception electrodes arranged so as not to be in contact with the respective transmission electrodes and a receiver receiving the AC current flowing through the reception electrodes. A capacitor is formed at each intersection of the transmission electrode and the reception electrode, a parallel capacitor is formed corresponding to the approach of the fingertip of a user and the capacitance of the capacitor changes corresponding to the approaching degree of the fingertip. Recognition is performed by utilizing the change of the AC current passing through the capacitor between the electrodes.

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】本発明は、コンピュータに対してオブジェクトの操作やコマンドなどの入力を行うためのユーザ入力装置に係り、特に、コンピュータに対してオブジェクトの操作やコマンドなどをユーザの指先を用いて直接入力するユーザ入力装置に関する。 BACKGROUND OF THE INVENTION The present invention relates to a user input device for inputting such as an operation or command objects for computer, in particular, the user's fingertip or the like operation or command objects for computer It relates to a user input device for inputting directly with.

【0002】更に詳しくは、コンピュータに対してオブジェクトの操作やコマンドなどの入力を非接触形式で行うユーザ入力装置に係り、特に、2点以上の情報や接近する物体の形状や物体までの距離情報などを認識することができる非接触型ユーザ入力装置に関する。 [0002] More particularly, relates to a user input device for inputting an operation or command objects for computer in a non-contact format, in particular, the distance information to the shapes and objects of the object to be two or more points of information and close for non-contact-type user input device that is capable of recognizing the like.

【0003】 [0003]

【従来の技術】昨今の技術革新に伴い、ワークステーション(WS)やパーソナル・コンピュータ(PC)と呼ばれる、比較的小型且つ低価格で、高付加価値化・高機能化された汎用タイプのコンピュータ・システムが開発・市販され、大学その他の研究機関や企業その他のオフィス、さらには一般家庭内の日常生活にも深く浸透している。 With the Background of the Invention recent innovation called workstation (WS) or a personal computer (PC), a relatively small and low cost, the computer of the generic type which are high value-added, highly functional system has been developed and commercially available, universities and other research institutions and companies other offices, and more are deeply rooted in everyday life in the household.

【0004】コンピュータ・システムは、一般に、ユーザ入力コマンドに応答して駆動し、処理結果をディスプレイ・スクリーン上に表示することによって、「インタラクティブ」、すなわち対話的な処理環境を提供している。 [0004] Computer systems typically driven in response to a user input command, by displaying the processing result on a display screen, provides a "interactive", i.e. interactive processing environment. 最近の傾向として、DOS(Disk Operating Syste As a recent trend, DOS (Disk Operating Syste
m)シェル画面を代表とする旧来のキーボードを介したキャラクタ・ベースのユーザ入力環境すなわち「CUI m) a character-based user input environment or "CUI through a traditional keyboard typified by Shell screen
(Character User Interface)」から、グラフィック・ From (Character User Interface) ", graphic
ベースのユーザ入力を実現した「GUI(Graphical Us It was realized the base of user input "GUI (Graphical Us
er Interface)」への移行が挙げられる。 The transition to er Interface) ", and the like. GUI環境下では、コンピュータ・システムがシミュレートされたデスクトップと無数のアイコンがディスプレイ・スクリーンに用意される。 Under the GUI environment, desktop and countless icons computer system has been simulated is provided to the display screen.

【0005】GUIが提供されたデスクトップ上では、 [0005] on the GUI desktop that has been provided,
ファイル等のコンピュータ・システム上で取り扱われる全ての資源オブジェクトはアイコンとして表現される。 All resource objects to be handled on the computer system, such as files are represented as icons.
ユーザは、ディスプレイ・スクリーン上のプログラム、 The user program on the display screen,
データ、フォルダ、デバイスなどを象徴するアイコンに対してマウスなどを用いて画面上の表示オブジェクトに対して直接操作を印加する(例えば、クリックやドラッグ・アンド・ドロップ)ことで、直感的にコンピュータ操作を行うことができる。 Data folder, applying a direct manipulation to the display objects on the screen using the mouse against icons symbolizing such devices (e.g., click or drag and drop) that is intuitively computer operation It can be performed. また、デスクトップ上には、メニュー・バーやツール・ボックスなど、各種の機能すなわちコンピュータ処理を瞬時に呼び出すためのボタンが用意されており、コマンド入力の様式はますます直感的で分かり易いものとなってきている。 In addition, on the desktop, such as the menu bar and tool box, various and function that is is button is provided to call the computer processing in an instant, the mode of command input is becoming more and more intuitive thing easy to understand it has been.

【0006】GUI環境の導入により、もはやユーザは、特定のコマンドの名称やコマンド操作方法等を特に習得したり、煩雑なキー入力を行わなくとも、コンピュータを充分に操作することができる。 [0006] With the introduction of the GUI environment, no longer the user, or in particular learn the name and the command operation method and the like of a specific command, without performing complicated key input, it is possible to operate fully the computer.

【0007】かかるGUI環境下において利用可能なユーザ入力装置として、例えば、マウスや、トラックポイント、ジョイスティック、タブレット又はタッチパッドなどの座標指示装置が代表的である。 [0007] As the user input devices available under such GUI environment, e.g., a mouse or a track point, joystick, coordinate pointing devices such as a tablet or a touch pad are representative. このうち、マウスは、コンピュータ業界に深く定着しており、ほとんどのユーザは、ドラッグ・アンド・ドロップを基調とするマウス操作に慣れ親しんでいる。 Of these, the mouse, has been deeply rooted in the computer industry, most users are familiar with the mouse operation to keynote the drag-and-drop. オフィスや家庭などの日常生活の各場面においてコンピュータを新規導入するに際して、マウス操作を特にトレーニングする必要は全くないと言っても過言ではない。 In the new introduction of the computer in each scene of daily life, such as office and home, it is no exaggeration to particularly say that there is no need to train a mouse operation. マウス操作を基調とするGUIは、既に多くのユーザ間で定着しており、複数の汎用的な機能を提供している。 GUI for tones and mouse operation is established between already many users, it provides a plurality of generic functionality.

【0008】GUI環境下では、ユーザは、コンピュータ・スクリーン上の表示内容に案内されながら、コンピュータに対して対話的に分りやすく入力作業を行うことができる。 [0008] Under the GUI environment, the user is guided to the display content on a computer screen, it is possible to perform the input work clarity to interactively to the computer. このような対話入力がさらに進んだ一例として、タッチパネルを利用したユーザ入力装置を挙げることができる。 As an example of advanced such interaction input further include a user input device using a touch panel. この場合、ペンやユーザの指先から指示される座標値を読み取るタッチパネルがスクリーンに重畳されているので、ユーザは、マウス操作する場合とは相違して、スクリーンから視線を外す必要がなくなるし、 In this case, since the touch panel to read the coordinate values ​​indicated by the fingertip of a pen or the user is superimposed on the screen, the user is different from the case of mouse, to it it is not necessary to remove the line of sight from the screen,
所望の表示オブジェクトを自分の指先で直接指示することができるので、操作性はさらに向上する。 Since a desired display object can be indicated directly at their fingertips, operability is further improved.

【0009】しかしながら、従来のタッチパネルによるユーザ入力は、指先がタッチパネル表面上に実際に接触させる必要がある。 However, the user input by the conventional touch panel, it is necessary to fingertip to actually contact with the touch panel surface.

【0010】また、パネル上に2点以上の接触点があると、それぞれの位置を独立して計測することができない。 Further, when there is a contact point of the two or more points on the panel, it can not be measured independently of each position. 例えば、複数人がタッチパネルを囲むように配置して会議を行うような利用形態を考察した場合、複数の参加者の指先がタッチパネル上に同時に触れることはあるが、システム側ではこのような現象を認識することはできない。 For example, if a plurality of persons has discussed the use forms, such as a conference arranged so as to surround the touch panel, but the fingertip of the plurality of participants is to touch at the same time on the touch panel, such a phenomenon is the system side It can not be recognized. 最初のタッチを優先させるか、あるいは複数のタッチを混信・混同してしまいかねない。 Whether the priority is given to the first of touch, or could cause interference or confusion to a plurality of touch.

【0011】また、従来のタッチパネル式のユーザ入力は、点情報の入力を基本としており、接近している物体の形状や、接近した指先までの距離情報などを認識することはできない。 [0011] The user input of a conventional touch panel has a basic input point information, the shape of the object approaching, can not be recognized, such as distance information to fingertip approaches.

【0012】 [0012]

【発明が解決しようとする課題】本発明の目的は、コンピュータに対してオブジェクトの操作やコマンドなどをユーザの指先を用いて直接入力することができる、優れたユーザ入力装置を提供することにある。 The object of the present invention is to solve the above can be directly entered using the user's fingertip or the like operation or command objects for computer, it is to provide an excellent user input device .

【0013】本発明の更なる目的は、コンピュータに対してオブジェクトの操作やコマンドなどの入力を非接触形式で行うことができる、優れたユーザ入力装置を提供することにある。 A further object of the present invention, it is possible to input such as an operation and command objects in non-contact form for computer, it is to provide an excellent user input device.

【0014】本発明の更なる目的は、2点以上の情報や接近する物体の形状や物体までの距離情報などを認識することができる、優れた非接触型ユーザ入力装置を提供することにある。 A further object of the present invention can recognize and distance information to the shape or object of an object to be two or more points of information and approach is to provide a superior non-contact type user input device .

【0015】 [0015]

【課題を解決するための手段及び作用】本発明は、上記課題を参酌してなされたものであり、ユーザの指先などを用いて非接触形式で入力する非接触型ユーザ入力装置であって、複数の線状の送信電極と、前記の各送信電極に送信用の交流電流を供給する発信器と、前記の各送信電極とは接触しないように配置された複数の線状の受信電極と、受信電極を流れる交流電流を受信する受信器とを備え、送信電極と受信電極の各交差点においてコンデンサと等価な回路が形成されている、ことを特徴とする非接触型ユーザ入力装置である。 SUMMARY and operation for solving] The present invention has been made in consideration of the above problems, a non-contact-type user input device for inputting a non-contact form by using a fingertip of the user, a plurality of linear transmission electrodes, the oscillator for supplying an alternating current for transmission to the transmitting electrodes of the a plurality of linear reception electrodes disposed so as not to contact with each transmission electrodes of said, and a receiver for receiving an alternating current through the receiving electrode, the capacitor equivalent circuit at each intersection of the transmitting electrodes and the receiving electrodes are formed, it is non-contact type user input device according to claim.

【0016】このような構成の非接触型ユーザ入力装置によれば、送信電極と受信電極の各交差点では、コンデンサと等価な第1のコンデンサ等価回路が仮想的に形成されている。 According to the non-contact-type user input device having such a configuration, in each intersection of the transmission electrode and the reception electrode, the first capacitor equivalent circuit equivalent to a capacitor is formed virtually.

【0017】また、ユーザの指先などの導電性の物体が接近したことに応じて、第1のコンデンサ等価回路とは並列的となる第2のコンデンサ等価回路が仮想的に形成される。 Further, in response to the conductivity of the object, such as the user's fingertip approaches, the second capacitor equivalent circuit and the first capacitor equivalent circuit becomes parallel are formed virtually.

【0018】前記第2のコンデンサ等価回路の静電容量は、指先などの該導電性の物体との接近の程度に応じて変化していく。 The capacitance of the second capacitor equivalent circuit, will change depending on the degree of approach of the conductive object, such as a fingertip. したがって、第2のコンデンサ等価回路とは並列的に接続された前記第1のコンデンサ等価回路を通過する交流電流は、指先などの該導電性の物体との接近の程度に応じて同様に変化する。 Therefore, the second capacitor equivalent circuit alternating current passing through said first capacitor equivalent circuit connected in parallel to the change in the same manner in accordance with the degree of approach of the conductive object, such as a fingertip . このような現象を利用して、非接触型のユーザ入力装置は、指先が接触したことだけでなく、接近したときの指先までの距離を計測することができる。 This phenomenon by using a non-contact-type user input device, not only the fingertip contact, it is possible to measure the distance to the fingertips when approached.

【0019】また、前記送信器は、各送信電極に対して交流電流をスキャンして、交流電流を送信した送信電極と交流電流を受信した受信電極との位置関係により入力位置を検出する信号処理部をさらに備えていてもよい。 Further, the transmitter scans the alternating current to each transmitting electrode, signal detection processing an input position by the positional relationship between the receiving electrode which receives the AC current and the transmitted transmission electrode alternating current parts may further comprise a.

【0020】このような場合、非接触のユーザ入力装置は、入力位置を検出した送信電極と受信電極の交差点を追跡していくことにより、接近している物体の輪郭を計測することができる。 [0020] In such a case, the user input device of a non-contact, by going to track intersections transmission electrode and the reception electrode detects an input position, it is possible to measure the contour of an object approaching. すなわち、非接触のユーザ入力装置は、単にユーザの指先などの物体が近づいたということを検知するだけではなく、物体の形状を認識することができる。 That is, the user input device of a non-contact, not only detects that the approaching object such as a finger tip of the user can recognize the shape of the object. また、2以上のユーザが同時に非接触ユーザ入力装置にアクセスしようとしても、各人の指先を分離して認識することも可能である。 Further, even if two or more users try to access the non-contact user input device at the same time, it is possible to recognize to separate the individual's fingertip.

【0021】前記送信器は、各送信電極に対して交流電流をスキャンさせながら印加するようにしてもよい。 [0021] The transmitter may be applied while scanning the alternating current to each transmitter electrode. そして、非接触型ユーザ入力装置は、交流電流を送信した送信電極と交流電流を受信した受信電極との位置関係により入力位置を検出する信号処理部をさらに備えていてもよい。 Then, the non-contact type user input device may further comprise a signal processing unit for detecting an input position by the positional relationship between the receiving electrode which receives the alternating current and transmitting electrode that sent the alternating current.

【0022】前記信号処理部は、送信電極と受信電極の交差点で形成される第1の仮想コンデンサの静電容量と、ユーザの指先などの導電性の物体が送信電極と受信電極の交差点に接近したことに応じて形成される第2の仮想コンデンサの静電容量との相違を利用して、該導電性の物体が接近したことを検出することができる。 [0022] The signal processing unit, approaching the intersection of the first and the electrostatic capacitance of the virtual capacitor, a conductive object transmitting electrode and the receiving electrode such as the user's fingertip to be formed at the intersection of the transmission electrode and the reception electrode by using a difference between the capacitance of the second virtual capacitor formed in accordance with the fact, the object of the conductive can detect that it has approached.

【0023】また、前記信号処理部は、ユーザの指先などの導電性の物体と各電極との間で仮想的に形成されるコンデンサの静電容量を統合することで、該導電性の物体の位置を検出することができる。 Further, the signal processing unit, by integrating the capacitance of the capacitor is virtually formed between the conductive object and the electrode, such as the user's fingertip, the object of the conductive position can be detected.

【0024】また、本発明に係る非接触型ユーザ入力装置のうち少なくとも前記複数の送信電極と前記複数の受信電極とが交差してなるユーザ入力領域を、表示装置の表示画面上に重畳させることによって、表示一体型のユーザ入力装置を構成することができる。 Further, the user input region formed by intersecting at least the plurality of transmitting electrodes and the plurality of receiving electrodes among the non-contact type user input device according to the present invention, is superposed on the display screen of the display device Accordingly, it is possible to configure the user input device for a display integrated type. 例えば、液晶表示ディスプレイや有機LEDなどと一体的に、本発明に係る非接触型ユーザ入力装置を構成することができる。 For example, such an integrally LCD display or an organic LED, it is possible to construct a non-contact-type user input device according to the present invention.

【0025】例えば、アノード電極層とカソード電極層が絶縁層を介して積層して構成される表示装置と一体的に、本発明に係る非接触型ユーザ入力装置を構成するようにしてもよい。 [0025] For example, integrally display device and configured anode electrode layer and cathode electrode layer are laminated through an insulating layer, may be formed of a non-contact-type user input device according to the present invention.

【0026】このような場合、一方の電極層と他方の電極層との組み合わせによって、前記複数の送信電極と前記複数の受信電極とが交差してなるユーザ入力領域を構成することができる。 [0026] In this case, it is possible by a combination of one electrode layer and the other electrode layer, the plurality of transmitting electrodes and the plurality of receiving electrodes constitute a user input region formed by crossing. すなわち、直流電圧が印加される一方の電極層に検出用の交流電圧を印加させとともに、 That is, the by applying an AC voltage for detection one electrode layer to which a DC voltage is applied,
他方の電極層から受信される交流電流を検出するようにすればよい。 It may be detected AC current received from the other electrode layer.

【0027】本発明のさらに他の目的、特徴や利点は、 [0027] Other objects, features, and advantages of the present invention,
後述する本発明の実施例や添付する図面に基づくより詳細な説明によって明らかになるであろう。 It will become apparent from the following detailed description based on embodiments of the invention and the accompanying drawings described below.

【0028】 [0028]

【発明の実施の形態】以下、図面を参照しながら本発明の実施例を詳解する。 DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, explain in detail the embodiments of the present invention with reference to the drawings.

【0029】図1には、本発明の一実施形態に係る非接触型ユーザ入力装置1の基本構成を模式的に示している。 [0029] Figure 1 is a non-contact type basic structure of the user input device 1 according to an embodiment of the present invention is schematically shown.

【0030】同図に示すように、非接触型ユーザ入力装置1は、複数の線状の送信電極11−1,11−2, As shown in the figure, the non-contact type user input device 1, a plurality of linear transmission electrodes 11-1 and 11-2,
…,11−mと、各送信電極11−1…に送信用の所定周波数(例えば100KHz)の交流電流を供給する発信器12と、静電作用によって各送信電極11−1…からの交流電流を受信する複数の線状の受信電極15− ..., 11-m and a transmitter 12 for supplying an alternating current of a predetermined frequency for transmission to the transmitting electrodes 11-1 ... (e.g. 100 KHz), alternating current from the transmission electrodes 11-1 ... by electrostatic action a plurality of linear reception electrodes for receiving 15
1,15−2,…,15−nと、各受信電極15−1… 1,15-2, ..., and 15-n, each receiving electrodes 15-1 ...
を流れる交流電流を受信する受信器16とで構成される。 Composed of the receiver 16 which receives an alternating current through. 受信器16は、所定周波数帯域の交流電流のみを通過させるバンド・パス・フィルタ(BPF)16Aと、増幅器16Bと、検波器16CとからなるAM変調器と、 The receiver 16 includes a band pass filter (BPF) 16A passing only an alternating current of a predetermined frequency band, an amplifier 16B, and an AM modulator comprising a detector 16C,
検波出力をデジタル形式の信号に変換するA/D変換器16Dとで構成される。 Composed of the A / D converter 16D for converting the detected output to the signal in digital form.

【0031】各受信電極15−1,15−2,…,15 [0031] each of the receiving electrodes 15-1 and 15-2, ..., 15
−nは、図1では各送信電極11−1,11−2,…, -n, each transmitting electrodes 11-1 and 11-2 in FIG. 1, ...,
11−mと交差点を持つことが分かるが、交差点ではこれら電極どうしが接触していない。 It can be seen that with a 11-m and the intersection, but these electrodes to each other is not in contact at the intersection. 言い換えれば、電極どうしの各交差点では、電荷を蓄積するコンデンサと等価な回路が実質上形成されている。 In other words, in each intersection of the electrodes to each other, the capacitor equivalent circuit for accumulating charge is substantially formed. したがって、送信電極に交流電流が通過すると、これに対向する受信電極には、静電誘導によって、その交差点を介して交流電流が流れる。 Therefore, when an AC current to the transmission electrode passes, the receiving electrode opposed thereto, by electrostatic induction, alternating current flows through the intersection. これら各送信電極11−1,11−2,…,1 Each of these transmission electrodes 11-1 and 11-2, ..., 1
1−mと各受信電極15−1,15−2,…,15−n 1-m and each of the receiving electrodes 15-1,15-2, ..., 15-n
が交錯する領域は、非接触型ユーザ入力装置1におけるユーザ入力領域を構成する。 There area intermingled constitutes the user input region in the non-contact type user input device 1. このユーザ入力領域は、図示の通り、2次元的な広がりを持つ。 The user input region, as shown, with a two-dimensional spread.

【0032】発信器12は、各送信電極11−1…に対して交流電流をスキャンしながら印加する。 The transmitter 12 applies while scanning the alternating current for each transmission electrodes 11-1 .... したがって、ある瞬間では、各受信電極15−1…には該当する送信電極との交差点におけるコンデンサ等価回路からの交流電流が流れることになり、交流電流を送信した送信電極と交流電流を受信した受信電極との位置関係により入力位置を検出することができる。 Accordingly, the reception in a certain moment, each receiving electrodes 15-1 ... which will be alternating current flows from the capacitor equivalent circuit at the intersection with the corresponding transmitting electrodes, receiving the alternating current and transmitted transmission electrode alternating current it is possible to detect the input position by the positional relationship between the electrodes. 例えば、A/D変換された各受信電極15−1…における出力信号をプロセッサ20上で所定の演算処理を行うことによって、ユーザ入力領域を介して2次元的なユーザ入力を検出することができる。 For example, by performing a predetermined arithmetic processing an output signal in each reception electrodes 15-1 ... subjected to A / D conversion on the processor 20, it is possible to detect the two-dimensional user input through the user input region .

【0033】図示の例では、各送信電極11−1,11 [0033] In the illustrated example, the transmission electrodes 11-1,11
−2,…,11−mは略平行に配列されているとともに、各受信電極15−1,15−2,…,15−nは各送信電極11−1…とは直交する方向に配列されており、ユーザ入力領域は、電極どうしが均一に網の目上に組み合わされた略平面状の領域である。 -2, ..., 11-m with are arranged substantially parallel to each receiving electrodes 15-1 and 15-2, ..., 15-n are arranged in a direction orthogonal to the respective transmitting electrodes 11-1 ... and which, the user input area is substantially planar regions combined electrode each other uniformly superiors network. 但し、本発明の要旨はこのような形態に特に限定されるものではなく、 However, the gist of the present invention is not particularly limited to such an embodiment,
各送信電極と受信電極が接触せずに交錯していれば、平面以外の形状、例えば球状やその他の曲面状であってもよい。 If interlaced without contacting each transmitting electrode and the receiving electrode, the shape of the non-planar, may be, for example, spherical or other curved surface.

【0034】図2には、送信電極11と受信電極15間のある1つの交差点を拡大して示している。 [0034] Figure 2 shows an enlarged view of one intersection of between receiving electrode 15 and the transmission electrode 11. また、図3 In addition, FIG. 3
には、この送信電極11と受信電極15との交差点の等価回路を示している。 The shows an equivalent circuit of the intersection between the transmission electrode 11 and the receiving electrode 15.

【0035】送信電極11と受信電極15とが交叉する交差点では、図3に示すように、コンデンサと等価な回路が形成される。 [0035] In intersection with transmitting electrode 11 and the receiving electrode 15 intersect, as shown in FIG. 3, the capacitor equivalent circuit is formed.

【0036】ここで、送信電極11側に交流電圧を印加すると、送信電極11と受信電極15の間の静電容量C [0036] Here, when an AC voltage is applied to the transmission electrode 11 side, the electrostatic capacitance C between the transmission electrode 11 and the receiving electrode 15
aによって容量結合が起こり、受信電極15に交流電流が発生する。 occurs capacitive coupling by a, an alternating current is generated in the receiving electrode 15. このコンデンサC aを通過する電流の強度は、発信器12における交流電圧の発信周波数に同調したバンド・パス・フィルタ16A、増幅器16B、検波器16C、並びにA/D変換器16Dの各部により信号処理を施すことによって、デジタル・データとして取り出される。 Intensity of the current passing through the capacitor C a is a band-pass filter 16A tuned to the oscillation frequency of the AC voltage in the oscillator 12, an amplifier 16B, detector 16C, and the signal processing by each unit of the A / D converter 16D by the applied, is taken out as digital data. 受信電極11において受信される交流電流の強度は、コンデンサの静電容量C aにのみ依存する。 Intensity of the alternating current received by the receiving electrode 11, depends only on the capacitance C a of the capacitor.

【0037】静電容量C aは、送信電極11や受信電極15の変形などがない限り、静的で、固定値を保つ。 The capacitance C a is unless deformation of the transmission electrode 11 and the receiving electrode 15, static, keeping a fixed value. したがって、送信電極11側に同じ交流電圧が印加される限り、受信電極15側において受信される交流電流の強度は一定となる。 Therefore, as long as the same AC voltage is applied to the transmitting electrode 11 side, the intensity of the alternating current received by the reception electrode 15 side is constant.

【0038】次いで、このような送信電極11及び受信電極15の組み合わせによって、ユーザの指先などの物体を非接触で検出する仕組みについて説明する。 [0038] Then, a combination of such transmission electrode 11 and the receiving electrode 15, a description about how to detect an object, such as the user's fingertip in a non-contact manner.

【0039】図4には、送信電極11と受信電極15間のある1つの交差点にユーザの指先が接近している様子を示している。 [0039] Figure 4, the user's fingertip indicates a state in which close to one intersection somewhere between the receiving electrode 15 and the transmission electrode 11. また、図5には、送信電極11と受信電極15間のある1つの交差点にユーザの指先が接近したときの送信電極11と受信電極15との交差点の等価回路を示している。 Further, FIG. 5 shows an equivalent circuit of the intersection between the transmission electrode 11 and the receiving electrode 15 when the fingertip of the user to a single intersection somewhere between the receiving electrode 15 and the transmission electrode 11 is approaching.

【0040】送信電極11と受信電極15とが交叉する交差点では、上述したように、コンデンサC aと等価な回路が形成される。 The transmission electrode 11 and the receiving electrode 15 in the intersection crossing, as described above, the capacitor C a equivalent circuit is formed.

【0041】また、指先などの人体は仮想的な接地点(アース)とみなすことができる。 [0041] In addition, the human body, such as a fingertip can be regarded as a virtual ground point (ground). したがって、その等価回路は、送信電極11と受信電極15の間で形成されるコンデンサC aと、人体と送信電極11並びに人体と受信電極15それぞれの間で直列的に形成される仮想的なコンデンサC b1及びC b2とが、並列的に接続された構成となる。 Accordingly, the equivalent circuit thereof, and a capacitor C a which is formed between the transmission electrode 11 and the receiving electrode 15, virtual capacitor serially formed between each body and the transmission electrode 11 and the human body and the reception electrode 15 and C b1 and C b2 becomes the parallel-connected configuration.

【0042】したがって、送信電極11側に交流電圧を印加した場合、コンデンサC b1を介してグランドに流れ込む電流の分だけ、送信電極11と受信電極15の間の静電容量C aによる容量結合によって発生する交流電流、すなわち受信電極15側で検出される電流の強度は弱まる。 [0042] Therefore, when an AC voltage is applied to the transmission electrode 11 side, by the amount of current flowing to the ground through a capacitor C b1, the capacitive coupling by the capacitance C a between the transmission electrodes 11 and the receiving electrode 15 alternating current generated, i.e. the intensity of the current detected by the receiving electrode 15 side is weakened.

【0043】静電容量C aは、送信電極11や受信電極15の変形などがない限り、静的で、固定値を保つ。 The capacitance C a is unless deformation of the transmission electrode 11 and the receiving electrode 15, static, keeping a fixed value. これに対し、人体と送信電極11並びに人体と受信電極1 In contrast, the receiving body and the transmission electrode 11 and the human body electrode 1
5それぞれの間で直列的に形成される仮想的なコンデンサのそれぞれの静電容量C b1及びC b2は、人体が送信電極11並びに受信電極15に接近するに従って大きくなる。 Each of the electrostatic capacitance of the 5 virtual capacitors in series formed between each C b1 and C b2 increases as the body approaches the transmitting electrode 11 and receiving electrode 15.

【0044】このため、同じ交流電圧を送信電極11に印加した場合、受信電極15で検出される交流電流の強度は、人体が送信電極11並びに受信電極15に接近するに従って、小さくなっていく。 [0044] Therefore, when applying the same AC voltage to the transmitter electrode 11, the intensity of the alternating current detected by the receiving electrodes 15 in accordance with the human body approaches the transmitting electrode 11 and receiving electrode 15, it becomes smaller.

【0045】このような現象を利用して、プロセッサ2 [0045] By utilizing this phenomenon, the processor 2
0では、AM変調器16でAM変調され、さらにA/D In 0, it is AM-modulated by the AM modulator 16, further A / D
変換器16Dでデジタル形式に変換された受信信号を用いて、電極間の交差点に人体が接近しているかどうかを判定したり、あるいは、人体がどの程度接近しているか(距離)を計測することができる。 Using the received signal converted into digital form in converter 16D, or to determine whether a human body is approaching an intersection between the electrodes, or by measuring whether a human body is how close (distance) can.

【0046】図1に示したように、本実施形態に係る非接触ユーザ入力装置1は、このような送信電極11−1 [0046] As shown in FIG. 1, the non-contact user input device 1 according to this embodiment, such transmission electrodes 11-1
…と受信電極15−1…との交差点が、m×nのマトリックス状に配列されている。 ... and the intersection of the receiving electrodes 15-1 ... and are arranged in a matrix of m × n. 例えば、所定の平面(又は曲面)からなる入力パネル上に、これら各電極の交点を配設することができる。 For example, on the input panel having a predetermined plane (or curved) may be provided with a point of intersection of each of these electrodes.

【0047】交流電圧を各送信電極11−1,11− [0047] AC voltage each transmission electrode 11-1,11-
2,…,11−mに時分割で印加する。 2, ..., it is applied in a time divided into 11-m. そして、それぞれに対応して、各受信電極15−1,15−2,…,1 Corresponding to each respective receiving electrodes 15-1 and 15-2, ..., 1
5−nに発生する交流電流を順次計測することで、ユーザ入力領域上のどの交差点に人体が接近しているかを判定することができる。 5-n by sequentially measuring the alternating current generated, it is possible to determine whether the human body which intersection on user input area is close.

【0048】本実施形態に係る非接触ユーザ入力装置1 [0048] Non-contact user input device according to the first embodiment
1では、静電作用を利用しているので、ユーザの指先などの人体を検出するために、人体が電極に直接接触している必要はない。 In 1, the use of the electrostatic effect, in order to detect the human body, such as the user's fingertip, it is not necessary to the human body is in direct contact with the electrode. また、近傍の交差点で得られた各検出値を統合して、一般的な幾何学的演算などを施すことによって、入力面から指先までの距離を計測することができる。 Also, by integrating the detected values ​​obtained in the intersection neighborhood, by performing such common geometrical calculation, it is possible to measure the distance from the input surface to the fingertips.

【0049】また、図1に示すような構成によれば、電極間の各交差点を独立して駆動させることができる。 In addition, according to the configuration shown in FIG. 1, it is possible to independently drive each intersection between the electrodes. すなわち、それぞれの交差点から独立して検出値を取り出すことができるので、複数の物体(例えば、同じユーザの右手と左手、あるいは複数のユーザの手)が同時にユーザ入力領域に接近してきた場合には、その距離が交差点間のピッチ間隔よりも長ければ、これらを独立した物体として認識することができる。 That is, it is possible to obtain a sensor value independent of each intersection, when a plurality of objects (e.g., the right hand and left hand of the same user, or a plurality of the user's hand) is approaching to a user input area simultaneously , the longer than the pitch spacing between the distance intersection can recognize them as independent objects. すなわち、複数の物体の位置を同時に計測することができる。 That is, it is possible to measure positions of a plurality of objects simultaneously.

【0050】また、物体の接近が同時に検出された交差点を追跡していくことにより、接近している物体の形状又は輪郭を捉えることができる。 [0050] Further, by going to track intersection approach of the object is detected at the same time, it is possible to catch a shape or contour of an object approaching.

【0051】図6には、非接触ユーザ入力装置1の変形例を図解している。 [0051] Figure 6 illustrates a modification of the non-contact user input device 1.

【0052】ユーザの指先がある格子点A,B,C,D [0052] grid point there is a user's fingertip A, B, C, D
で囲まれた領域に接近してきた場合、各送信電極11− If you are approaching the area surrounded by, the transmitting electrodes 11
i,11−j、並びに各受信電極15−p,15−qとユーザの指先との間では、仮想的なコンデンサC I i, 11-j, and the between the fingertips of each receiving electrode 15-p, 15-q and the user, the virtual capacitor C I,
J ,C P ,C Qがそれぞれ形成されている。 C J, C P, C Q are formed.

【0053】これら各仮想コンデンサの静電容量C I [0053] capacitance C I of the virtual capacitors,
J ,C P ,C Qは、それぞれの電極とユーザの指先との距離に応じて変化する。 C J, C P, C Q varies depending on the distance between the fingertips of each of the electrodes and the user.

【0054】したがって、人体と電極との複数の交差点からの値を統合することで、各交差点の中間にある手の位置を計測することができる。 [0054] Thus, by integrating the values ​​from a plurality of intersections between the human body and the electrode, it is possible to measure the position of the hand in the middle of each intersection. すなわち、本実施形態に係る非接触ユーザ入力装置1の位置計測の制度は、各電極間の交差点の間隔よりも細かくすることができる。 That is, the non-contact system for position measurement of the user input device 1 according to this embodiment can be finer than the interval of the intersections between the electrodes.

【0055】また、図7には、非接触ユーザ入力装置1 [0055] Further, in FIG. 7, the non-contact user input device 1
の他の変形例を図解している。 And it illustrates another modified example of.

【0056】図1を参照しながら既に説明したように、 [0056] with reference to FIG. 1, as already described,
本実施形態に係る非接触ユーザ入力装置1は、そのユーザ入力領域において、送信電極11−1…と受信電極1 Contactless user input device 1 according to this embodiment, in the user input area, transmission electrodes 11-1 ... and the receiving electrode 1
5−1…との交差点がm×nのマトリックス状に配列されている。 5-1 ... intersection with are arranged in a matrix of m × n. また、図1に示すような構成によれば、電極間の各交差点を独立して駆動させて、それぞれの交差点から独立して検出値を取り出すことができる。 Further, according to the configuration shown in FIG. 1, and independently by driving each intersection between the electrodes, it is possible to obtain a sensor value independent of each intersection.

【0057】したがって、図7に示すように、ユーザ入力領域に複数のユーザの指先が存在するような場合、それぞれのユーザの指先の近傍における交差点において、 [0057] Therefore, as shown in FIG. 7, if such exist fingertip of a plurality of users in the user input region, at the intersection in the vicinity of the fingertip of each user,
これらを独立して認識することができる。 It is possible to recognize them separately. この結果、単一のユーザ入力装置を用いて、複数のユーザからの同時入力を受容することができる。 As a result, a single user input device, capable of receiving simultaneous inputs from a plurality of users.

【0058】また、図8には、非接触ユーザ入力装置1 [0058] Further, in FIG. 8, a non-contact user input device 1
の他の変形例を図解している。 And it illustrates another modified example of.

【0059】図1を参照しながら既に説明したように、 [0059] with reference to FIG. 1, as already described,
本実施形態に係る非接触ユーザ入力装置1は、そのユーザ入力領域において、送信電極11−1…と受信電極1 Contactless user input device 1 according to this embodiment, in the user input area, transmission electrodes 11-1 ... and the receiving electrode 1
5−1…との交差点がm×nのマトリックス状に配列されている。 5-1 ... intersection with are arranged in a matrix of m × n. 但し、図8に示す例では、各送信電極11− However, in the example shown in FIG. 8, each of the transmitting electrodes 11
1,11−2,…,11−m、並びに、各受信電極15 1,11-2, ..., 11-m, and each receiving electrode 15
−1−1,15−2,…,15−nの間隔は充分に短く配設され、また、送信器12が各送信電極11−1に交流電圧を印加するスキャン速度は充分に速いものとする。 -1-1,15-2, ..., interval 15-n are short enough arranged, also, scan speed to transmitter 12 applies an AC voltage to the transmitting electrodes 11-1 and fast enough that to.

【0060】このような場合、図8に示すように、ユーザが掌をユーザ入力領域に接近させた場合、接近したことを検出した交差点を追跡していくことにより、物体すなわち掌の形状を認識することができる。 [0060] In this case, as shown in FIG. 8, when the user is brought close to the palm in the user input area, by going to track intersection is detected that the approaching object i.e. recognizing palm shape can do.

【0061】すなわち、各電極間のピッチ間隔を充分小さく、且つ、送信電極におけるスキャン速度を充分速くすることによって、本実施形態に係る非接触ユーザ入力装置1は、物体の形状を認識することができる。 [0061] That is, sufficiently small pitch spacing between the electrodes, and by sufficiently fast scan speed in the transmission electrodes, the non-contact user input device 1 according to this embodiment, to recognize the shape of the object it can.

【0062】本実施形態に係る非接触ユーザ入力装置1 [0062] Non-contact user input device according to the first embodiment
を他のデバイスと組み合わせて適用することも考えられる。 Also conceivable to apply in conjunction with other devices. 例えば、液晶表示ディスプレイ(LCD:Liquid C For example, a liquid crystal display (LCD: Liquid C
rystal Display)や有機ELなどの平面ディスプレイ上に、非接触ユーザ入力装置1を重畳することにより、表示一体型のユーザ入力装置を構成することができる。 The rystal Display) or the flat display such as an organic EL, by superimposing the non-contact user input device 1, it is possible to construct a user input device for a display integrated type. このようなユーザ入力装置によれば、ユーザは、表示出力されるGUI画面の内容に案内されながら、直感的且つ容易にコンピュータへのコマンド入力を行うことができる。 According to such a user input device, the user is guided to the contents of the GUI screen displayed output, intuitively and easily can be performed command input to the computer. ユーザは、表示画面から視線をそらすことなく入力作業を行うことができ、ご操作する危険も少なくなる。 The user can perform the input work without having to divert the gaze from the display screen, also reduced the risk to your operation.

【0063】図9には、導電性ポリマーによる発光素子すなわち有機LEDからなる表示装置と一体的に構成された非接触ユーザ入力装置1の断面構成を模式的に図解している。 [0063] Figure 9 is a cross-sectional configuration of a display device constructed integrally with a non-contact user input device 1 composed of a light-emitting element or an organic LED with a conductive polymer are illustrates schematically.

【0064】同図に示す例では、導電性ポリマーからなるアノード電極層とカソード電極層が、有機素材からなる絶縁層を介して積層されている。 [0064] In the example shown in the figure, the anode electrode layer and cathode electrode layer comprising a conductive polymer, are laminated through an insulating layer made of an organic material. また、アノード電極とカソード電極は、互いに直行して配設されている。 The anode and cathode electrodes are disposed in perpendicular to each other. これは、図1における、各送信電極11−1…と各受信電極15−1…が互いに接触しないように交差して配設されている構成に類似する。 This is similar to the configuration in FIG. 1, the transmitting electrodes 11-1 ... and the receiving electrodes 15-1 ... are arranged to intersect so as not to contact with each other.

【0065】有機ディスプレイにおいては、各画素を発光させるために、一方の電極層では、画面スキャン方向に向かって各電極には直流電圧が順次印加される。 [0065] In the organic display, in order to emit each pixel, the one electrode layer, each electrode toward the screen scanning direction DC voltage is sequentially applied.

【0066】本実施形態では、一方の電極層に流れる直流電圧に、人体検出用の交流電圧を重畳させて印加する。 [0066] In this embodiment, the DC voltage across the one electrode layer is applied by superimposing an AC voltage for human body detection. この結果、他方の電極層では、交流電流を受信する。 As a result, in the other electrode layer, it receives an alternating current. ユーザの指先などの人体が接近している交差点においては、受信される交流電流の強度が減少するので、ユーザの指先が居る位置を特定したり、さらには、接近している物体の形状を認識したりすることができる。 In the intersection human body such as the user's finger is approaching, the strength of the alternating current to be received is reduced, and identify the finger is present the position of the user or, further recognizes the shape of an object approaching it can be or.

【0067】図9に示したような構成によれば、有機ディスプレイにおける画面構成を変更することなく、表示装置をそのまま非接触型ユーザ入力装置としても利用することができる。 [0067] According to the configuration as shown in FIG. 9, without changing the screen structure of an organic display can also be utilized as the non-contact-type user input device as a display device.

【0068】また、有機ディスプレイは、一般に、フレキシブルであり、自由に折り曲げることが可能である。 [0068] Also, organic display is generally a flexible, it can be bent freely.
したがって、図9に示したような適用例によれば、球面や筒状のユーザ入力一体型のディスプレイ装置を構成することができる。 Therefore, according to the application example shown in FIG. 9, it is possible to constitute a spherical or cylindrical user input integrated display device.

【0069】[追補]以上、特定の実施例を参照しながら、本発明について詳解してきた。 [0069] [Supplement] above with reference to specific embodiments, the present invention has been described in detail. しかしながら、本発明の要旨を逸脱しない範囲で当業者が該実施例の修正や代用を成し得ることは自明である。 However, it is obvious that those skilled in the art without departing from the scope of the present invention can make modifications and substitutions of the embodiment. すなわち、例示という形態で本発明を開示してきたのであり、限定的に解釈されるべきではない。 In other words, the foregoing discloses the present invention in the form of illustration and should not be construed as limiting. 本発明の要旨を判断するためには、冒頭に記載した特許請求の範囲の欄を参酌すべきである。 In order to determine the scope of the invention it should be referred to the appended claims set forth at the outset.

【0070】 [0070]

【発明の効果】以上詳記したように、本発明によれば、 As described above in detail, according to the present invention, according to the present invention,
コンピュータに対してオブジェクトの操作やコマンドなどをユーザの指先を用いて直接入力することができる、 Can be directly entered using the user's finger tip and the like operations or commands objects for computer,
優れたユーザ入力装置を提供することができる。 It is possible to provide an excellent user input device.

【0071】また、本発明によれば、コンピュータに対してオブジェクトの操作やコマンドなどの入力を非接触形式で行うことができる、優れたユーザ入力装置を提供することができる。 [0071] Further, according to the present invention, it is possible to input such as an operation and command objects in non-contact form for computer, it is possible to provide an excellent user input device.

【0072】また、本発明によれば、2点以上の情報や接近する物体の形状や物体までの距離情報などを認識することができる、優れた非接触型ユーザ入力装置を提供することができる。 Further, according to the present invention, it is possible to recognize such distance information to the shape or object of an object to be two or more points of information and proximity, it is possible to provide an excellent non-contact type user input device .

【0073】本発明に係る非接触型ユーザ入力装置においては、送信電極と受信電極の各交差点ではコンデンサと等価な第1のコンデンサ等価回路が仮想的に形成されている。 [0073] The non-contact-type user input device according to the present invention, in each intersection of the transmission electrode and the reception electrode and the first capacitor equivalent circuit equivalent to a capacitor is formed virtually. また、ユーザの指先などの導電性の物体が接近したことに応じて、第1のコンデンサ等価回路とは並列的となる第2のコンデンサ等価回路が仮想的に形成される。 In addition, in response to the conductivity of the object, such as the user's fingertip approaches, the second capacitor equivalent circuit and the first capacitor equivalent circuit becomes parallel are formed virtually. 指先などの該導電性の物体との接近の程度に応じて前記第2のコンデンサ等価回路の静電容量が変化して、 Capacitance of the second capacitor equivalent circuit according to the degree of approach of the conductive object, such as a fingertip is changed,
この結果、前記第1のコンデンサ等価回路を通過する交流電流が変化する。 As a result, the alternating current passing through said first capacitor equivalent circuit is changed. したがって、このような現象を利用することによって、指先が接触したことだけでなく、接近したときの指先までの距離を計測することができる。 Therefore, by utilizing this phenomenon, not only the fingertip contact, it is possible to measure the distance to the fingertips when approached.

【0074】また、各送信電極に対して交流電流をスキャン入力することにより、交流電流を送信した送信電極と交流電流を受信した受信電極との位置関係により入力位置を検出することができる。 [0074] Further, by scanning the input alternating current for each transmission electrode, it is possible to detect the input position by the positional relationship between the receiving electrode which receives the alternating current and transmitting electrode that sent the alternating current. 入力位置を検出した送信電極と受信電極の交差点を追跡していくことにより、接近している物体の輪郭を計測することができる。 By transmitting electrode detects an input position continue to track the intersection of the receiving electrode, it is possible to measure the contour of an object approaching. すなわち、非接触のユーザ入力装置は、単にユーザの指先などの物体が近づいたということを検知するだけではなく、 That is, the user input device of a non-contact, not simply detecting that the approaching object such as a fingertip of the user,
物体の形状を認識することができる。 It is possible to recognize the shape of the object. また、2以上のユーザが同時に非接触ユーザ入力装置にアクセスしようとしても、各人の指先を分離して認識することも可能である。 Further, even if two or more users try to access the non-contact user input device at the same time, it is possible to recognize to separate the individual's fingertip.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明の一実施形態に係る非接触型ユーザ入力装置1の基本構成を模式的に示した図である。 1 is a diagram schematically showing the basic configuration of the non-contact type user input device 1 according to an embodiment of the present invention.

【図2】送信電極11と受信電極15間のある1つの交差点を拡大して示した図である。 Figure 2 is an enlarged view showing one intersection with between receiving electrode 15 and the transmission electrode 11.

【図3】送信電極11と受信電極15間のある1つの交差点の等価回路を示した図である。 3 is a diagram showing an equivalent circuit of one intersection somewhere between the receiving electrode 15 and the transmission electrode 11.

【図4】送信電極11と受信電極15間のある1つの交差点にユーザの指先が接近している様子を示した図である。 4 is a diagram showing a state in which the fingertip of the user to one of the intersections of between the receiving electrode 15 and the transmission electrode 11 is approaching.

【図5】送信電極11と受信電極15間のある1つの交差点にユーザの指先が接近したときの送信電極11と受信電極15との交差点の等価回路を示した図である。 5 is a diagram showing an equivalent circuit of the intersection between the transmission electrode 11 when the fingertip of the user to a single intersection somewhere between the receiving electrode 15 and the transmission electrode 11 is close to the receiving electrode 15.

【図6】非接触ユーザ入力装置1の変形例を説明するための図である。 6 is a diagram for explaining a modification of the non-contact user input device 1.

【図7】非接触ユーザ入力装置1の変形例を説明するための図である。 7 is a diagram for explaining a modification of the non-contact user input device 1.

【図8】非接触ユーザ入力装置1の変形例を説明するための図である。 8 is a diagram for explaining a modification of the non-contact user input device 1.

【図9】導電性ポリマーによる発光素子すなわち有機L [9] emission by the conductive polymer elements or organic L
EDからなる表示装置と一体的に構成された非接触ユーザ入力装置1の断面構成を示した図である。 It is a diagram showing a display device constructed integrally with the cross-sectional configuration of the non-contact user input device 1 composed of ED.

【符号の説明】 DESCRIPTION OF SYMBOLS

1…非接触ユーザ入力装置 11…送信電極 12…送信器 15…受信電極 16…AM変調器 16A…バンド・パス・フィルタ,16B…増幅器 16C…検波器,16D…A/D変換器 20…プロセッサ 1 ... contactless user input device 11 ... transmitting electrodes 12 ... transmitter 15 ... receiving electrode 16 ... AM modulator 16A ... band-pass filter, 16B ... amplifier 16C ... detector, 16D ... A / D converter 20 ... Processor

Claims (8)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】ユーザの指先などを用いて非接触形式で入力する非接触型ユーザ入力装置であって、 複数の線状の送信電極と、 前記の各送信電極に送信用の交流電流を供給する発信器と、 前記の各送信電極とは接触しないように配置された複数の線状の受信電極と、 受信電極を流れる交流電流を受信する受信器とを備え、 送信電極と受信電極の各交差点においてコンデンサと等価な回路が形成されている、ことを特徴とする非接触型ユーザ入力装置。 1. A non-contact type user input device for inputting by using a user's fingertip in a non-contact form feed, a plurality of linear transmission electrodes, an alternating current for transmission to the transmitting electrodes of the a transmitter that includes the plurality of linear reception electrodes disposed so as not to contact with each transmission electrode, and a receiver for receiving an alternating current through the receiving electrode, the transmitting electrodes and the receiving electrode contactless user input device, wherein the capacitor equivalent circuit is formed, that at the intersection.
  2. 【請求項2】送信電極と受信電極の各交差点ではコンデンサと等価な第1のコンデンサ等価回路が形成されているとともに、 ユーザの指先などの導電性の物体が送信電極と受信電極の交差点に接近したことに応じて、第1のコンデンサ等価回路とは並列的となる第2のコンデンサ等価回路が形成されて、 該導電性の物体との接近の程度に応じて前記第2のコンデンサ等価回路の静電容量が変化して、この結果、前記第1のコンデンサ等価回路を通過する交流電流が変化する、ことを特徴とする請求項1に記載の非接触型ユーザ入力装置。 2. A together with the first capacitor equivalent circuit equivalent to a capacitor at each intersection of the transmission electrode and the reception electrode is formed, approaching conductive object such as the user's fingertip on the intersection of the reception electrode and the transmission electrode depending on the fact, the first capacitor equivalent circuit is formed a second capacitor equivalent circuit to be parallel, of the second capacitor equivalent circuit according to the degree of approach of the conductive object capacitance is changed, as a result, the non-contact-type user input device of claim 1, alternating current passing through said first capacitor equivalent circuit is changed, it is characterized.
  3. 【請求項3】前記送信器は、各送信電極に対して交流電流をスキャンして、 交流電流を送信した送信電極と交流電流を受信した受信電極との位置関係によりユーザの指先などの入力位置を検出する信号処理部をさらに備える、ことを特徴とする請求項1に記載の非接触型ユーザ入力装置。 Wherein the transmitter scans the alternating current to each transmitting electrode, an input position, such as a user's fingertip by the positional relationship between the receiving electrode which receives the AC current and the transmitted transmission electrode alternating current further comprising a signal processing unit for detecting a contactless user input device of claim 1, wherein the.
  4. 【請求項4】前記信号処理部は、送信電極と受信電極の交差点で形成される第1の仮想コンデンサの静電容量と、ユーザの指先などの導電性の物体が送信電極と受信電極の交差点に接近したことに応じて形成される第2の仮想コンデンサの静電容量との相違を利用して、該導電性の物体が接近したことを検出する、ことを特徴とする請求項3に記載の非接触型ユーザ入力装置。 Wherein said signal processing section, the intersection of the first and the electrostatic capacitance of the virtual capacitor, a conductive object transmitting electrode and the receiving electrode such as the user's fingertip to be formed at the intersection of the transmission electrode and the reception electrode according to claim 3, by using a difference between the capacitance of the second virtual capacitor formed in response to the approaching object of the conductive detects that it has approached, and wherein the in contactless user input device.
  5. 【請求項5】前記信号処理部は、ユーザの指先などの導電性の物体と各電極との間で仮想的に形成されるそれぞれのコンデンサの静電容量を統合することで、該導電性の物体の位置を検出する、ことを特徴とする請求項3に記載の非接触型ユーザ入力装置。 Wherein said signal processing unit, by integrating the capacitance of each of capacitors virtually formed between the conductive object and the electrode, such as the user's fingertip, the conductive detecting the position of an object, the non-contact-type user input device according to claim 3, characterized in that.
  6. 【請求項6】少なくとも前記複数の送信電極と前記複数の受信電極とが交差して構成されるユーザ入力領域が表示装置の表示画面上に重畳されている、ことを特徴とする請求項1に記載の非接触型ユーザ入力装置。 6. A user input region composed at least the plurality of transmitting electrodes of the plurality of receiving electrodes intersect are superimposed on the display screen of the display device, it in claim 1, wherein contactless user input device according.
  7. 【請求項7】アノード電極層とカソード電極層が絶縁層を介して積層して構成される表示装置と一体的に構成されている、ことを特徴とする請求項1に記載の非接触型ユーザ入力装置。 Contactless user according to claim 1, 7. The anode electrode layer and the cathode electrode layer is the display device constructed integrally with composed by stacking via an insulating layer, characterized in that input device.
  8. 【請求項8】直流電圧が印加される一方の電極層に検出用の交流電圧を印加させとともに、他方の電極層から受信される交流電流を検出することによって、前記複数の送信電極と前記複数の受信電極とが交差してなるユーザ入力領域を構成する、ことを特徴とする請求項7に記載の非接触型ユーザ入力装置。 8. together by applying an AC voltage for detection one electrode layer to which a DC voltage is applied, by detecting the alternating current received from the other electrode layer, the said plurality of transmitting electrodes several contactless user input device of claim 7 in which the receiving electrode constitute a user input region formed by intersecting, characterized in that the.
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PCT/JP2002/004875 WO2002095563A1 (en) 2001-05-21 2002-05-21 User input apparatus, computer connected to user input apparatus, method of controlling computer connected to user input apparatus, and storage medium
CN 02810438 CN1320424C (en) 2001-05-21 2002-05-21 User input apparatus, computer connected to user input apparatus, method of controlling same
EP20020771738 EP1391807A4 (en) 2001-05-21 2002-05-21 User input apparatus, computer connected to user input apparatus, method of controlling computer connected to user input apparatus, and storage medium
US10478541 US8773351B2 (en) 2001-05-21 2002-05-21 User input apparatus, computer connected to user input apparatus, method of controlling computer connected to user input apparatus, and storage medium
KR20037015119A KR100936850B1 (en) 2001-05-21 2002-05-21 User input apparatus, computer connected to user input apparatus, and method of controlling computer connected to user input apparatus
US14250570 US9898191B2 (en) 2001-05-21 2014-04-11 User input apparatus, computer connected to user input apparatus, and control method for computer connected to user input apparatus, and storage medium
US14310228 US9134840B2 (en) 2001-05-21 2014-06-20 User input apparatus, computer connected to user input apparatus, and control method for computer connected to user input apparatus, and storage medium
US14533524 US20150054787A1 (en) 2001-05-21 2014-11-05 User input apparatus, computer connected to user input apparatus, and control method for computer connected to user input apparatus, and storage medium
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