WO2010013619A1 - 静電容量式モーション検出装置及びそれを用いた入力装置 - Google Patents
静電容量式モーション検出装置及びそれを用いた入力装置 Download PDFInfo
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- WO2010013619A1 WO2010013619A1 PCT/JP2009/063057 JP2009063057W WO2010013619A1 WO 2010013619 A1 WO2010013619 A1 WO 2010013619A1 JP 2009063057 W JP2009063057 W JP 2009063057W WO 2010013619 A1 WO2010013619 A1 WO 2010013619A1
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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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- the present invention relates to a capacitance type motion detection device that detects a motion of a detection object in a detection region by a capacitance and an input device using the same.
- a method for detecting a motion of a detection object for example, at least one camera and an image processing unit are used to detect a human motion by imaging with the camera, and the motion is stored in a PC (personal computer).
- a method of outputting to the control unit for example, Patent Document 1.
- an acceleration sensor or the like is built in the device, and the device is moved in a specific direction, and the movement is output to a control unit in the PC.
- the present invention has been made in view of the above points, and has a simple configuration in which the use environment is less restricted, the apparatus is not affected by vibration, and there is no need to have a specific input device.
- An object is to provide a motion detection device and an input device using the same.
- An electrostatic capacity type motion detection device includes a device main body provided with a detection region, a pair of drive electrodes provided opposite to both sides of the detection region, and a parallel arrangement direction of the pair of drive electrodes. And a pair of detection electrodes provided opposite to both sides of the detection region, and the amount of change in capacitance determined by the detection electrode and the drive electrode, It comprises detection means for performing motion detection, and switching means for switching the operation of the pair of detection electrodes and the pair of drive electrodes.
- the motion of the detected object in the detection region is detected from the amount of change in capacitance obtained by the pair of detection electrodes and the pair of drive electrodes, there is little restriction on the use environment, and the device vibrates. Therefore, it is possible to realize a capacitance type motion detection device having a simple configuration that does not have the risk of being affected by the above-described effects and does not require a specific input device. Furthermore, the distance between the detection electrode and the drive electrode is relatively increased by making the parallel direction of the pair of drive electrodes and the parallel direction of the pair of detection electrodes substantially orthogonal to each other. The trajectory of the electric lines of force can be made higher than the electrode installation surface, and the detection region can be set up to a relatively high position.
- the switching means includes a first direction detection mode in which the pair of detection electrodes have different polarities, and the pair of drive electrodes have the same polarity. It is preferable to switch between the second direction detection modes in which the pair of detection electrodes have the same polarity and the pair of drive electrodes have different polarities.
- the switching means fixes the polarity of one detection electrode of the pair of detection electrodes and the polarity of one drive electrode of the pair of drive electrodes, and sets the polarity of the other detection electrode and the other drive electrode. It is preferable to switch the polarity to switch between the first direction detection mode and the second direction detection mode.
- the switching unit applies the same drive voltage to the pair of drive electrodes and connects the pair of detection electrodes to different inputs of the detection unit to detect a difference.
- the switching means fixes the connection of one detection electrode of the pair of detection electrodes to the input of the detection means and the drive voltage of one drive electrode of the pair of drive electrodes, and detects the other It is preferable to switch the first direction detection mode and the second direction detection mode by switching the connection of the electrode to the input of the detection means and the drive voltage of the other drive electrode.
- An input device includes a device main body on which the capacitive motion detection device is mounted, and the device main body, and the input device based on the motion detection of the detection target by the capacitive motion detection device. And a control means for operating the apparatus main body.
- An electronic apparatus includes a device main body having a rectangular display area, a pair of drive electrodes provided opposite to both sides of the display element, and substantially orthogonal to a direction in which the pair of drive electrodes are arranged in parallel. And a pair of detection electrodes provided opposite to both sides of the display area, and the amount of capacitance above the display area from the amount of change in capacitance obtained by the detection electrode and the drive electrode. Detecting means for detecting motion of the detection body, and switching the display in the display area in accordance with the motion detected by the detecting means.
- the motion of the detection target in the detection region is detected from the amount of change in capacitance obtained by the pair of detection electrodes and the pair of drive electrodes provided on each side of the display region.
- the distance between the detection electrode and the drive electrode is relatively increased by making the parallel direction of the pair of drive electrodes and the parallel direction of the pair of detection electrodes substantially orthogonal to each other.
- the locus of electric lines of force can be made higher than the electrode installation surface and the detection area can be set to a relatively high position, it is intuitively possible to visually confirm the information displayed in the display area. Operation can be realized.
- An electrostatic capacity type motion detection device includes a device main body provided with a detection region, a pair of drive electrodes provided opposite to both sides of the detection region, and a parallel arrangement direction of the pair of drive electrodes. And a pair of detection electrodes provided opposite to both sides of the detection region, and the amount of change in capacitance determined by the detection electrode and the drive electrode, Since it has detection means for performing motion detection and switching means for switching the polarity of the pair of detection electrodes and the polarity of the pair of drive electrodes, there are few restrictions on the use environment and there is a possibility that the apparatus may be affected by vibration. There is no need to have a specific input device.
- (A), (b) is a figure for demonstrating electrode arrangement
- (A), (b) is a figure for demonstrating the motion detection range in an electrostatic capacitance type motion detection apparatus.
- (A), (b) is a figure which shows schematic structure of the electronic device provided with the electrostatic capacitance type motion detection apparatus which concerns on embodiment of this invention. It is a figure for demonstrating the principle of the electrostatic capacitance type motion detection which concerns on embodiment of this invention.
- (A)-(f) is a characteristic view which shows the sensitivity in the case of a capacitive motion detection.
- (A), (b) is a figure which shows the outline of the detection circuit which concerns on embodiment of this invention.
- (A), (b) is a figure which shows the outline of the connection of each electrode and drive circuit, detection circuit, and switching circuit which concern on embodiment of this invention.
- the drive electrode 1 When detecting the position of an object to be detected, for example, a human body using electrostatic capacitance, as shown in FIGS. 1A and 1B, the drive electrode 1 is arranged at the center, and the detection electrodes are respectively provided on both sides thereof.
- positioned 2a, 2b is taken.
- two sets of detection electrode / drive electrode pairs are configured by the three electrodes of the drive electrode 1 and the detection electrodes 2a and 2b.
- the capacitance C 1 is formed between the drive electrode 1 and the detection electrode 2a
- the capacitance C 2 is formed between the drive electrode 1 and the detection electrode 2b.
- the position of the hand 3 can be detected by taking the difference between the capacitances C 1 and C 2 .
- FIG. 1 (a) in the configuration shown in (b), the driving electrode 1 and the detection electrode 2a, the distance between the 2b constant at D 1, as shown in FIG. 3 (a), the driving electrodes 1 and the detection electrode 2a, the height H 1 of the trajectory of the electric force lines 4 occurring between 2b is constant, relatively low.
- the distance between the drive electrode 12a and the detection electrode 12b is D 2 to D 3
- the distance between the drive electrode 12a and the detection electrode 12b the distance between the the reaches (high position in the height direction from the electrode installation surface) H 2 electric force lines 4 and the elevated position in accordance with a long.
- the motion detection range in the height direction varies depending on the arrangement of the drive electrode and the detection electrode, and the motion detection range becomes high in the electrode arrangement according to the present invention.
- the present inventors pay attention to the fact that the height of the electric lines of force generated between the drive electrode and the detection electrode is different depending on the distance between the drive electrode and the detection electrode, and a pair of drive electrodes so as to constitute a detection region. And one detection electrode are arranged in a substantially rectangular shape so that their parallel directions are substantially orthogonal to each other, thereby providing a portion with a large distance between the drive electrode and the detection electrode.
- the present inventors have found that the height of the lines of electric force to be generated can be increased.
- the essence of the present invention is a device main body having a detection region, a pair of drive electrodes provided opposite to both sides of the detection region, and a direction substantially perpendicular to the parallel arrangement direction of the pair of drive electrodes.
- a pair of detection electrodes provided in parallel and facing both sides of the detection region, and detection means for detecting a motion of the detection object from the amount of change in capacitance obtained by the detection electrode and the drive electrode
- a switching means for switching the polarity of the pair of detection electrodes and the polarity of the pair of drive electrodes, so that there are few restrictions on the use environment, there is no fear of affecting the device due to vibration, and a specific
- the locus of the electric lines of force is made higher than the electrode installation surface, and the detection region is set to a relatively high position.
- FIG. 2 is a diagram for explaining an electrode arrangement of the capacitive motion detection device according to the embodiment of the present invention.
- This capacitance type motion detection apparatus includes an apparatus main body including a detection region 13. Examples of the apparatus main body include a portable device such as a notebook PC.
- a pair of drive electrodes 12a and 12d provided opposite to each other are disposed on both sides of the detection region 13 (the vertical direction of the detection region 13 in FIG. 2 is the parallel direction).
- a pair of detection electrodes 12b and 12c provided opposite to each other are arranged on both sides of the detection region 13 in a direction substantially orthogonal to the direction in which the pair of drive electrodes 12a and 12d are arranged side by side. (The left-right direction of the detection region 13 in FIG.
- the detection electrode 12b and the driving electrodes 12a, 12d capacitance C x1 is formed between the detection electrode 12c and the driving electrodes 12a, electrostatic capacitance C x2 between 12d Is formed.
- the position of the hand 11 can be detected by a change in the difference in capacitance (C x1 -C x2 ).
- the detection device having the electrode arrangement shown in FIG. 2 includes a detection circuit that detects a motion of the detected object from the amount of change in capacitance obtained by the detection electrodes 12b and 12c and the drive electrodes 12a and 12d, And a switching circuit for switching the polarity of 12c and the polarity of the drive electrodes 12a and 12d.
- the switching circuit has a first direction detection mode in which the polarity of the pair of detection electrodes is different from each other, the polarity of the pair of drive electrodes is the same polarity, and the polarity of the pair of detection electrodes is respectively the same polarity,
- the second direction detection mode in which the polarities of the drive electrodes are different from each other is switched.
- the switching circuit fixes the polarity of one detection electrode of the pair of detection electrodes and the polarity of one drive electrode of the pair of drive electrodes, and switches the polarity of the other detection electrode and the polarity of the other drive electrode. It is preferable to switch between the one-direction detection mode and the second direction detection mode.
- FIGS. 4A and 4B are diagrams showing a motion detection circuit (a drive circuit, a detection circuit, and a switching circuit) of an electronic apparatus provided with the capacitance type motion detection apparatus according to the present invention.
- the detection area 13 is a monitor area (display area).
- a pair of drive electrodes 12a and 12d and a pair of detection electrodes 12b and 12c are arranged along the four sides of the monitor region.
- the parallel direction of the pair of drive electrodes 12a and 12d and the parallel direction of the pair of detection electrodes 12b and 12c are substantially orthogonal to each other.
- the electronic device displays a pair of drive electrodes 12a and 12d facing both sides of the rectangular display region of the apparatus main body, and a direction substantially orthogonal to the parallel arrangement direction of the pair of drive electrodes 12a and 12d.
- Motion detection of the detected object is performed above the display area from a pair of detection electrodes 12b, 12c arranged opposite to both sides of the area, and the amount of change in capacitance obtained by the detection electrode and the drive electrode.
- a motion detection circuit The display in the display area is switched according to the motion detected by the motion detection circuit. Note that the horizontal direction of the monitor area is the X axis, and the vertical direction of the monitor area is the Y axis.
- the motion detection circuit 21 is driven by a drive circuit 211 that drives a drive electrode, detection circuits A212 and B213 that are connected to the detection electrode and detect capacitance.
- the switching circuit 214 switches the polarity of the electrode and the detection electrode.
- the motion detection circuit 21 accumulates charges in the detection electrode set to the reference voltage V ref by an electric field generated by the voltage applied to the drive electrode, and measures the amount of the charge to thereby cause a gap between the drive electrode and the detection electrode. The formed capacitance is measured.
- the drive circuit 211 generates drive voltages D + and D ⁇ having different polarities with respect to the reference voltage V ref and applies them to the drive electrodes in a pulse shape.
- a power supply voltage can be used as D +, 0V (GND) can be used as D ⁇ , and 1 ⁇ 2D + can be used as a reference voltage.
- the reference voltage may be 0 V (GND), and positive and negative voltages may be generated and used as D + and D ⁇ .
- the detection circuit A 212 includes a CV conversion circuit as shown in FIG. 7A, and has a charge amount corresponding to the capacitance between the drive electrodes of the detection electrodes connected to the S + and S ⁇ inputs, respectively. Is output as a voltage.
- the detection circuit B213 inputs the reference voltage V ref to S ⁇ , thereby outputting the amount of charge corresponding to the capacitance at the detection electrode connected to S + as a voltage. .
- the switching circuit 214 makes the polarity of the drive electrodes 12a and 12d positive (D + applied) and the polarity of the detection electrode 12b. Is positive (input to S +), and the polarity of the detection electrode 12c is negative (input to S-).
- the drive electrodes 211a and 12d are driven by the drive circuit 211, and the position in the X-axis direction of the detected object is obtained from the difference in capacitance detected by the detection circuit A212 at that time. it can.
- Capacitance is always formed between the detection electrodes 12b and 12c and the drive electrodes 12a and 12d.
- the detection electrode 12b and the driving electrodes 12a, 12d and the capacitance C x1 is formed between the detection electrode 12c and the driving electrodes 12a, electrostatic capacitance C x2 between 12d are formed .
- the capacitance between the hand 11 changes to the capacitance between the detection electrode and the drive electrode. Occurs.
- the detection circuit 12b and 12c are both set to the same potential (input to S +) by the switching circuit 214, and the polarity of the drive electrode 12a is set. Positive (D + is applied), and polarity of the drive electrode 12d is negative (D- is applied).
- the drive electrodes 211a and 12d are driven by the drive circuit 211, and the position of the detection target in the Y-axis direction can be obtained from the capacitance detected by the detection circuit B213 at that time.
- the detection electrodes 12b, 12c and has an electrostatic capacitance C Y1 are formed between the driving electrodes 12a, detection electrode 12b, the capacitance C Y2 between 12c and the driving electrode 12d is formed .
- the capacitance between the hand 11 changes to the capacitance between the detection electrode and the drive electrode. Occurs.
- the capacitance C Y1 increases and the capacitance C Y2 decreases. Therefore, it is possible to detect the movement (motion) of the hand 11 in the Y-axis direction (vertical direction) by taking the difference between these capacitance values (C Y1 -C Y2 ).
- the driving electrodes 12a for D + is applied, the detection electrode 12b, a positive charge corresponding to C Y1 to 12c occurs.
- the detection electrodes 12b since the D- is applied to the driving electrodes 12d, the detection electrodes 12b, a negative charge corresponding to C Y2 to 12c occurs.
- the difference between the capacitance values can be obtained as an output by measuring the charges finally generated in the detection electrodes 12b and 12c.
- the switching circuit 214 by performing detection while sequentially switching by the switching circuit 214, it is possible to continuously detect the movement of the hand 11 in the X-axis direction and the Y-axis direction.
- the switching circuit 214 fixes the connection of one detection electrode of the pair of detection electrodes 12b and 12c to the input of the detection means and the drive voltage of one drive electrode of the pair of drive electrodes 12a and 12c. It is preferable to switch the first direction detection mode and the second direction detection mode by switching the connection of the other detection electrode to the input of the detection means and the drive voltage of the other drive electrode.
- the capacitance type motion detection device having the above configuration is built in a device main body equipped with this device, and includes a control unit that operates the device main body based on the motion detection of the detection target by the capacitance type motion detection device.
- an input device can be configured.
- the motion of the detected object is detected, the motion detection information is output to the control unit, and the control unit performs various operations of the device main body based on the motion detection information.
- the electronic device having the above configuration can detect the motion of the detection object at a high position in the height direction from the display area by the detection electrode / drive electrode pair provided on the opposite side of the display area. The operation can be performed while visually confirming the display, and a more intuitive operation is possible.
- each electrode and V ref may be connected to the drive electrode and the detection electrode as in the y-axis measurement shown in FIG. 8 (b).
- the number of detection circuits is reduced and the number of circuits that are actually switched is reduced, so that the circuit scale can be reduced.
- Example 1 A capacitive motion detection apparatus having the electrode arrangement shown in FIG. 2 and the circuit configuration shown in FIG. 4 was produced.
- the drive electrodes 12a and 12d have a length (length in the horizontal direction in FIG. 2) of 56 mm and a width (length in the vertical direction in FIG. 2) of 15 mm
- the detection electrodes 12b and 12c have a length (FIG. 2).
- the length in the vertical direction was 80 mm
- the width (the length in the horizontal direction in FIG. 2) was 15 mm.
- the polarity of the drive electrodes 12a, 12d is both positive (D +), the polarity of the detection electrode 12b is positive (S +), and the polarity of the detection electrode 12c is negative (S-).
- the drive electrodes 12a and 12d are driven by the drive circuit 211, and the output waveforms are moved 4.5cm, 3.5cm and 2.5cm away from the electrode installation surface and moved at a constant height.
- This output corresponds to the amount of change in the difference in capacitance detected by the detection circuits A, B212, and 213.
- the hand could be detected with sufficient sensitivity even when the distance between the hand and the electrode installation surface was 4.5 cm. At this time, the capacity could be detected within a range in which hand movement could be detected up to a distance of about 8 cm.
- the polarity of the detection electrodes 12b and 12c is both positive (S +)
- the polarity of the drive electrode 12a is positive (D +)
- the polarity of the drive electrode 12d is negative (D ⁇ ) (for Y-axis direction detection).
- the output waveforms when the drive electrodes 211a and 12d are driven by the drive circuit 211 and are moved 4.5 cm, 3.5 cm, and 2.5 cm away from the electrode installation surface and moved at a constant height are also shown in FIGS. c). This is because a pair of drive electrodes and one detection electrode are arranged in a substantially rectangular shape so that their parallel arrangement directions are substantially orthogonal to each other so as to constitute a detection region. This is thought to be because the height of the lines of electric force generated between the two points increased.
- FIG. 1 (a) An electrode arrangement shown in FIG. 1 (a), between the electrostatic capacitance C 2 between the capacitance C 1 and the drive electrode 1 and the detection electrode 2b between the drive electrode 1 and the detection electrode 2a A capacitive motion detector that can measure the difference was fabricated.
- the drive electrode 1 and the detection electrodes 2a and 2b have a length (length in the vertical direction in FIG. 1A) of 80 mm and a width (length in the horizontal direction in FIG. 1A) of 15 mm.
- the output waveforms when moved at a constant height by 4.5 cm, 3.5 cm, and 2.5 cm from the electrode installation surface are shown in FIGS. 6 (d) to 6 (f). Shown in As can be seen from FIGS. 6D to 6F, the distance between the hand and the electrode installation surface was 2.5 cm, and the hand could be detected. Further, in the case where the distance between the hand and the electrode installation surface is 2.5 cm, the sensitivity of the capacitive motion detection device of this example is about the sensitivity of the capacitive motion detection device of the comparative example. It was 3 times.
- Example 2 A capacitive motion detection device was produced in the same manner as in Example 1 except that only the dimensions of the electrodes were changed as follows.
- the drive electrodes 12a and 12d have a length (length in the horizontal direction in FIG. 2) of 200 mm and a width (length in the vertical direction in FIG. 2) of 20 mm
- the detection electrodes 12b and 12c have a length (FIG. 2).
- the length in the vertical direction was 200 mm
- the width (the length in the horizontal direction in FIG. 2) was 20 mm.
- the present invention is not limited to the above embodiment, and can be implemented with various modifications.
- the first direction detection mode in which the polarities of the pair of detection electrodes are different from each other, the polarities of the pair of drive electrodes are the same, and the polarities of the pair of detection electrodes are respectively the same polarity
- the second direction detection mode in which the polarities of the pair of drive electrodes are different from each other is switched.
- detection is performed in the first direction detection mode and the second direction detection mode. Motion in the X and Y directions can also be detected by switching the electrode and the drive electrode.
- the number of electrodes, position, size, shape, connection configuration for X-axis and Y-axis motion detection, control order, and the like can be changed as appropriate. It is. Other modifications may be made as appropriate without departing from the scope of the object of the present invention.
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Abstract
Description
静電容量を用いて被検出体、例えば人体の位置を検出する場合には、図1(a),(b)に示すように、駆動電極1を中央に配置し、その両側にそれぞれ検出電極2a,2bを配置した構成を採る。この場合、駆動電極1、検出電極2a,2bの3つの電極で、2組の検出電極/駆動電極対を構成している。これにより、駆動電極1と検出電極2aとの間に静電容量C1が形成され、駆動電極1と検出電極2bとの間に静電容量C2が形成される。この静電容量C1,C2の差分をとることにより手3の位置を検出することができる。
(実施例1)
図2に示す電極配置を有し、図4に示す回路構成を有する静電容量式モーション検出装置を作製した。このとき、駆動電極12a,12dは、長さ(図2において左右方向の長さ)56mm、幅(図2において上下方向の長さ)15mmとし、検出電極12b,12cは、長さ(図2において上下方向の長さ)80mm、幅(図2において左右方向の長さ)15mmとした。
図1(a)に示す電極配置を有し、駆動電極1と検出電極2aとの間の静電容量C1と駆動電極1と検出電極2bとの間の静電容量C2との間の差分を測定できる静電容量式モーション検出装置を作製した。このとき、駆動電極1、検出電極2a,2bは、長さ(図1(a)において上下方向の長さ)80mm、幅(図1(a)において左右方向の長さ)15mmとした。
電極の寸法のみを以下のように変えること以外実施例1と同様にして静電容量式モーション検出装置を作製した。このとき、駆動電極12a,12dは、長さ(図2において左右方向の長さ)200mm、幅(図2において上下方向の長さ)20mmとし、検出電極12b,12cは、長さ(図2において上下方向の長さ)200mm、幅(図2において左右方向の長さ)20mmとした。本実施例の静電容量式モーション検出装置において実施例1と同様にして駆動させたところ、電極設置面から20cm程度まで手の動きを検出することができた。
Claims (7)
- 検出領域を備えた装置本体と、前記検出領域の両側に対向して設けられた一対の駆動電極と、前記一対の駆動電極の並設方向に対して略直交する方向に並設され、前記検出領域の両側に対向して設けられた一対の検出電極と、前記検出電極及び前記駆動電極で求められた静電容量の変化量から被検出体のモーション検出を行う検出手段と、前記一対の検出電極及び前記一対の駆動電極の動作を切り替える切り替え手段と、を具備することを特徴とする静電容量式モーション検出装置。
- 前記切り替え手段は、前記一対の検出電極の極性をそれぞれ異なる極性とし、前記一対の駆動電極の極性をそれぞれ同じ極性とする第1方向検出モードと、前記一対の検出電極の極性をそれぞれ同じ極性とし、前記一対の駆動電極の極性をそれぞれ異なる極性とする第2方向検出モードと、を切り替えることを特徴とする請求項1記載の静電容量式モーション検出装置。
- 前記切り替え手段は、前記一対の検出電極の一方の検出電極の極性及び前記一対の駆動電極の一方の駆動電極の極性を固定し、他方の検出電極の極性及び他方の駆動電極の極性を切り替えて前記第1方向検出モード及び前記第2方向検出モードを切り替えることを特徴とする請求項2記載の静電容量式モーション検出装置。
- 前記切り替え手段は、前記一対の駆動電極に同じ駆動電圧を印加して前記一対の検出電極を前記検出手段の異なる入力に接続して差分を検出する第1方向検出モードと、前記一対の駆動電極に異なる駆動電圧を印加して前記一対の検出電極を前記検出手段の同じ入力に接続して合計を検出する第2方向検出モードと、を切り替えることを特徴とする請求項1記載の静電容量式モーション検出装置。
- 前記切り替え手段は、前記一対の検出電極の一方の検出電極の前記検出手段の入力への接続、及び前記一対の駆動電極の一方の駆動電極の駆動電圧を固定し、他方の検出電極の前記検出手段の入力への接続、及び他方の駆動電極の駆動電圧を切り替えて前記第1方向検出モード及び前記第2方向検出モードを切り替えることを特徴とする請求項4記載の静電容量式モーション検出装置。
- 請求項1から請求項5のいずれかに記載の静電容量式モーション検出装置を搭載した装置本体と、前記装置本体に内蔵されており、前記静電容量式モーション検出装置による被検出体のモーション検出に基づいて前記装置本体の操作を行う制御手段と、を具備することを特徴とする入力装置。
- 矩形の表示領域を備えた装置本体と、前記表示領域の両側に対向して設けられた一対の駆動電極と、前記一対の駆動電極の並設方向に対して略直交する方向に並設され、前記表示領域の両側に対向して設けられた一対の検出電極と、前記検出電極及び前記駆動電極で求められた静電容量の変化量から前記表示領域の上方における被検出体のモーション検出を行う検出手段、とを具備し、前記検出手段によって検出されたモーションに応じて前記表示領域における表示を切り換えることを特徴とする電子機器。
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CN2009801294118A CN102105851B (zh) | 2008-07-30 | 2009-07-21 | 静电电容式运动检测装置以及利用其的输入装置 |
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JPS60181913A (ja) * | 1984-02-29 | 1985-09-17 | Fujitsu Ltd | 座標検出装置 |
JP2564681B2 (ja) * | 1990-03-20 | 1996-12-18 | 富士通株式会社 | タッチ座標入力装置 |
JP3116631B2 (ja) * | 1993-01-25 | 2000-12-11 | ぺんてる株式会社 | 座標入力装置 |
JPH0895701A (ja) * | 1994-08-24 | 1996-04-12 | Pentel Kk | タッチパネル兼用透明デジタイザ |
JPH08171449A (ja) * | 1994-12-20 | 1996-07-02 | Hosiden Corp | 感触式座標入力装置 |
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US9639217B2 (en) | 2012-02-10 | 2017-05-02 | Alterix Limited | Digitiser |
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