WO2015083196A1 - 指定位置検出装置 - Google Patents
指定位置検出装置 Download PDFInfo
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- WO2015083196A1 WO2015083196A1 PCT/JP2013/007081 JP2013007081W WO2015083196A1 WO 2015083196 A1 WO2015083196 A1 WO 2015083196A1 JP 2013007081 W JP2013007081 W JP 2013007081W WO 2015083196 A1 WO2015083196 A1 WO 2015083196A1
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- axis
- unit
- position detection
- coordinate
- input
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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
- G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/046—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04106—Multi-sensing digitiser, i.e. digitiser using at least two different sensing technologies simultaneously or alternatively, e.g. for detecting pen and finger, for saving power or for improving position detection
Definitions
- the present invention relates to a designated position detection device, and is suitably applied to, for example, an information processing device having a tablet display surface.
- An information processing apparatus having a tablet display surface is often used as a unit that can easily execute processing of information corresponding to the display position when the user designates a specific display position on the operation display surface.
- capacitance is used to capacitively couple a fingertip to a plurality of X electrodes and a plurality of Y electrodes intersecting the same, thereby detecting a two-dimensional coordinate of a touch location on a touch panel.
- a system configuration has been proposed (see Patent Documents 3 and 4).
- the practicability of the information processing apparatus is improved by enabling detection of the designated position on the operation display surface of the user to be as simple as possible so that detection accuracy as high as possible can be maintained. While it is effective as a means to make it do, combining information input operation with a finger tip and information input operation with a position designation member of pen type is considered to be able to input various information from the operation display surface simply.
- the present invention has been made in consideration of the above points, and an object of the present invention is to propose a position detection apparatus which can easily input various information with high position detection accuracy.
- an X-Y coordinate forming portion 11 having a configuration in which X-axis members X1 to XN consisting of a plurality of wires and Y-axis members Y1 to YM consisting of a plurality of wires cross each other.
- a drive signal input unit 21 provided at one end to one of X-axis members X1 to XN and Y-axis members Y1 to YM and inputting a drive input signal; X-axis members X1 to XN and Y-axis member Y1 A position which is provided on the other end of any one of to YM and outputs position detection signals corresponding to the designated coordinate position when the position designation means 5 and 6 designate the XY coordinate position of the XY coordinate forming unit 11
- a detection signal output unit 31 and mode switching units 12 and 13 for switching the designated position detection mode of the XY coordinate formation unit 11 to an electrostatic coupling method or an electromagnetic induction method are provided.
- the X-axis wire body X1 has an X-Y coordinate formation portion 11 having a configuration in which X-axis wire bodies X1 to XN consisting of a plurality of wires and Y-axis wires Y1 to YM consisting of a plurality of wires cross each other.
- a drive signal input unit 21 provided at one end of one of XN and Y axis Y1 to YM for inputting a drive input signal, and any one of X axis Y1 to XN and Y axis Y1 to YM.
- a position detection signal output unit 31 for outputting a position detection signal corresponding to the designated coordinate position when the position designation means 5 and 6 designate the XY coordinate position of the XY coordinate formation unit 11;
- a first mode switching unit 12 provided on the other end side to which the drive signal input unit 21 of any one of the X-axis members X1 to XN and the Y-axis members Y1 to YM is not connected; XN and Y axis bodies Y1 to YM And a second mode switching unit 21 provided on the other end side to which the other position detection signal output unit 31 is not connected, and the drive signal input unit 21 is connected to one of the ends of the connected wires.
- the first mode switching unit 12 While sequentially selecting two wires and inputting a drive input signal, the first mode switching unit 12 connects the other ends of the two wires sequentially selected to each other to respectively connect the two wires. Forms the loop coils LI1 to LIK for input signal input, and the position detection signal output unit 31 sequentially selects two of the connected wires and outputs a position detection signal, and the second mode switching is performed.
- the section 13 forms the loop coils LO1 to LOJ for outputting the position detection signal by connecting the other ends of the two selected wires, and the pen touch type position specifying means 6 XY coordinate formation unit 1
- the input signals inputted from the formed loop coils LI1 to LIK for input signal input are transmitted to the loop coils LO1 to LOJ for position detection signal output through the position designation means 6.
- the position detection signal output unit 31 outputs the pen touch operation detection output in the electromagnetic induction detection mode.
- the X-axis linear body X1 has an X-Y coordinate forming portion 11 having a configuration in which X-axis linear bodies X1 to XN consisting of a plurality of linear bodies and Y-axis linear bodies Y1 to YM consisting of a plurality of linear bodies cross each other.
- a drive signal input unit 21 provided at one end of one of XN and Y axis Y1 to YM for inputting a drive input signal, and any one of X axis Y1 to XN and Y axis Y1 to YM.
- a position detection signal output unit 31 for outputting a position detection signal corresponding to the designated coordinate position when the position designation unit 5 designates the XY coordinate position of the XY coordinate forming unit 11;
- a first mode switching unit 12 provided on the other end side where the drive signal input unit 21 of any one of the axis members X1 to XN and the Y axis members Y1 to YM is not provided, the X axis members X1 to XN and Y axis Y1 to YM
- the second mode switching unit 13 provided on the other end side where the other position detection signal output unit 31 is not provided, and the first and second mode switching units 12 and 13 connect the wires
- the drive signal input unit 21 sequentially inputs the drive input signal to one end of the connected wire, and the user's fingertip designates the XY coordinate position of the XY coordinate forming unit 11 as the position designation unit 5
- the drive input signal input from the drive signal input unit 21 is received by the user's fingertip and receives
- the drive signal input unit and the position detection signal output unit are provided for the XY coordinate forming unit formed of a plurality of wires crossing each other, and the drive signal is input to the XY coordinate forming unit of the single configuration.
- the drive signal is input from the unit, and the designated position detection signal is obtained from the position detection signal output unit when the position is designated by the position designation unit with respect to the XY coordinate formation unit of the single unit configuration.
- FIG. 5 is a schematic diagram for describing an XY coordinate system of an electromagnetic induction system formed by the XY coordinate forming unit 11 of FIG. 4; It is an electrical block diagram which shows the detailed structure of the synchronous detection circuit 37 of FIG. FIG.
- FIG. 6 is a schematic diagram for describing an XY coordinate system of an electrostatic coupling system formed by an XY coordinate forming unit 11; It is a schematic diagram by which it uses for description of the touch operation by the fingertip with respect to XY coordinate system of the electrostatic coupling method of FIG. It is a flowchart which shows designated position detection mode switching processing procedure.
- FIG. 10 is a signal waveform diagram for describing the standby detection operation mode process SP1 of FIG. 9. It is a flowchart which shows the detailed structure of fixed detection mode process procedure SP3 of FIG. It is a signal waveform diagram by which it uses for description of electrostatic coupling fixed detection process procedure SP12 of FIG.
- FIG. 15 is a signal waveform diagram for describing the standby operation processing procedure SP21 of FIG. 14.
- FIG. 7 is a signal waveform diagram for describing from a standby operation to a capacitive coupling priority operation.
- FIG. 7 is a signal waveform diagram serving to explain an operation from a standby operation to an electromagnetic induction priority operation.
- FIG. 7 is a signal waveform diagram serving to explain electrostatic coupling priority detection operation.
- FIG. 13 is a signal waveform diagram serving to explain an operation from electrostatic coupling priority control to an electromagnetic induction priority operation. It is a flowchart which shows the detailed structure of electrostatic priority switching check process procedure SP47 of FIG. FIG. 7 is a signal waveform diagram for describing an electrostatic priority switching check processing operation.
- reference numeral 1 generally indicates the information processing apparatus in the first embodiment, and the central processing unit 2 exchanges the information display signal S1 with the tablet display panel 3.
- the designated position detection unit 4 including the tablet display plate unit 3 the user contacts a specific position on the XY display surface of the tablet display plate unit 3 with the fingertip 5 on the display surface of the tablet display plate unit 3.
- the designated position detection signal S2 representing the designated position is outputted from the designated position detection control unit 7 to the central processing unit 2, and the central processing unit 2 executes various information processing. It is done.
- the tablet display plate portion 3 has the insulating layer material 3B in between on the information display plate portion 3A for displaying the information display signal S1 given from the central processing unit 2.
- Transparent protection for forming the operation display surface by stacking the X-axis line plate portion 3C and the Y-axis line plate portion 3D which are stacked and held together, and thus the X-axis line plate portion 3C and the Y-axis line plate portion 3D which are stacked as a single structure. It has the structure protected by the glass plate member 3E.
- the tablet display plate portion 3 reads the information display projected on the information display plate portion 3A from the transparent protective glass plate member 3E side, and the specific information display material has the user's fingertip 5 or pen shape. It can be specified by the position specification tool 6.
- the tablet display plate portion 3 uses the X axis line plate portion 3C, the insulating layer material 3B and the Y axis line plate portion 3D as the coordinate position designation input means.
- the XY coordinate forming unit 11 is controlled by an operation mode switching signal S3 supplied from the designated position detection control unit 7 to the X axis line mode switching unit 12 and the Y axis line mode switching unit 13 according to the designated position detection operation mode of the electromagnetic induction system. And the designated position detection operation mode of the electrostatic coupling method can be switched.
- the X-axis line plate portion 3C constituting the XY coordinate forming portion 11 of the tablet display plate portion 3 linearly extends in the Y-axis direction as shown in FIG. 3 and FIG.
- a plurality of N (for example, 32) linear X-axis members X1, X2,..., XN arranged in parallel are provided.
- the Y-axis line plate portion 3D linearly extends in the X-axis direction, and a plurality of M (for example, 20) linear Y-axis lines disposed in parallel with each other at equal intervals in the Y-axis direction.
- the X-axis line members 3C and Y are stacked such that the X-axis linear members X1, X2 ... XN and the Y-axis linear members Y1, Y2 ... YM cross each other at right angles.
- the XY coordinate forming portion 11 having the axis plate portion 3D
- the coordinate position can be specified by the intersection of the axis bodies Y1, Y2... YM.
- one end of the Y-axis body Y1, Y2... Y (M-3), Y (M-2), Y (M-1), and YM (FIG. 4) of the Y-axis line plate portion 3D is as shown in FIG. , And 22Y (M-3), 22Y (M-2), 22Y (M-1), and 22YM, which are semiconductor switches provided corresponding to each other in the drive signal input unit 21. It is connected.
- the other ends of the signal input switches 22Y1, 22Y2 ... 22YM are connected to the common signal line 23, and the common signal line 23 Are connected to the input drive pulse generation circuit 24 through the mode switch ST1, whereby the drive pulse signal S4 generated in the drive pulse generation circuit 24A of the input drive pulse generation circuit 24 is transmitted to the common signal line 23 through the amplification circuit 24B. Supply.
- the common signal line 23 The drive pulse signal S4 is supplied to the Y-axis line body, and the drive pulse signal S4 is derived from the common signal line 25 and flows to the ground, whereby the Y-axis line body is an electromagnetic drive input in the designated position detection operation mode of the electromagnetic induction system. It is made to operate as a Y-axis loop coil which is a means.
- the drive pulse signal S4 sent from the input drive pulse generation circuit 24 is transmitted via the common signal lines 23 and 25. .. YM so that the Y-axis linear body operates as electrostatic drive input means in the designated position detection mode of the electrostatic coupling system.
- One end of the X-axis linear members X1, X2... XN of the X-axis line plate portion 3C is connected to signal output switches 32X1, 32X2... 32XN provided correspondingly in the position detection signal output portion 31.
- every other signal output switch 32X1, 32X2... 32XN is connected to the common signal line 33, and the common signal line 33 switches the mode. It is connected to the non-inverting input terminal of the electromagnetic induction signal output circuit 34 of the differential amplifier circuit configuration via the switch SR1.
- the signal output switches 32X1, 32X2... 32XN The remaining signal output switches 32X2, 32X4... 32X (N-4), 32X (N-3), 32X (N-2), 32X (N-2), 32X (N-1), 32XN
- the common signal line 35 is connected to the inverting input terminal of the electromagnetic induction signal output circuit 34 together with the ground line via the mode switch SR2.
- the designated position detection signal flows through the common signal lines 33 and 35, whereby the X axis wire is electromagnetically It is configured to operate as an X-axis loop coil in the designated position detection operation mode of the induction system.
- the electromagnetic induction detection signal S11 obtained at the output end of the electromagnetic induction signal output circuit 34 is output as the designated position detection output signal S12 via the output changeover switch SC1.
- the common signal lines 33 and 35 are connected to the input end of the electrostatic coupling signal output circuit 36 via the mode changeover switches SR3 and SR4, respectively, and the electrostatic coupling detection signal S13 obtained at the output end is output
- the designated position detection output signal S12 is output via the changeover switch SC2 to operate the X-axis wire as electrostatic drive output means in the designated position detection mode of the electrostatic coupling system.
- the designated position detection output signal S12 is subjected to synchronous detection processing in the synchronous detection circuit 37, and then sent to the designated position detection control unit 7 as a designated position detection signal S14 of the position detection signal output unit 31.
- the mode switching unit 14 includes the X-axis line mode switching unit 12 and the Y-axis line mode switching unit 13 shown in FIG. 3 and includes X-axis line members X1 to XN disposed on the X-axis line plate portion 3C and a Y-axis line plate portion
- the designated position detection operation mode of the electromagnetic induction method and the designated position detection operation mode of the electrostatic coupling method are performed using Y-axis members Y1 to YM provided on the 3D so as to intersect the X-axis members X1 to XN.
- And can be performed using the XY coordinate forming unit 11 of a single plate configuration.
- Mode selection switches SX1, SX3, SX5... SX (N-5) are provided between one ends of the wire bodies X1 and X6, X3 and X8, X5 and X10... X (N-5) and XN.
- the X-axis mode switching unit 12 operates the X-axis wires X 1 and X 6, X 6, X 3 and X 8,
- output loop coils LO1, LO2... LOJ are formed to extend longitudinally in the Y-axis direction as shown in FIG.
- the Y-axis mode switching unit 13 selects a mode between Y-axis bodies Y1 and Y6, Y3 and Y8, Y5 and Y10... Y (M-5) and the other end of YM for Y-axis bodies Y1 to YM.
- the switches SY1, SY3, SY5... SY (M-5) are provided and these mode selection switches are turned on, the Y-axis members are connected to each other to obtain the pair of Y-axis members Y1 and Y6, Y3 and Y8, Y5 and Y10 ... Y (M-5) and YM, the input loop coil LI1, LI2, LI3 ... LIK elongated in the X-axis direction, the output loop formed by the X-axis line plate portion 3C Coils LO1, LO2... Are formed to be orthogonal to LOJ.
- the mode selection switches SX1, SX3, SX5,... SX (N-5) of the X axis line mode switching portion 12 are closed and By closing the selection switches SY1, SY3, SY5... SY (M-5), an XY coordinate system is formed on the XY coordinate forming unit 11, whereby the user of the pen-shaped position design tool 6 based on the electromagnetic induction method.
- the electromagnetic induction type designated position detection operation mode can be set such that the designated position detection signal S14 of the electromagnetic induction type can be transmitted from the position detection signal output unit 31.
- the central processing unit 2 By controlling the X-axis line mode switching unit 12 and the Y-axis line mode switching unit 13, input loop coils LI1, LI2 ... LIK and output loop coils LO1, LO2 ... LOJ (Fig. 5) are formed and driven.
- the signal input unit 21 and the position detection signal output unit 31 are switched to the electromagnetic induction detection operation mode (FIG. 3).
- electrostatic induction detection operation The designated position detection operation of the XY coordinate formation unit 11 at this time is referred to as “electromagnetic induction detection operation”.
- the drive signal input unit 21 turns on the mode selection switches ST1 and ST3 and turns on the signal input switches 22Y1 and 22Y6, 22Y3 and 22Y8 ... 22Y (M-5) and 22YM sequentially in the reference detection cycle.
- a drive input current is sequentially supplied to the input loop coils LI1, LI2,... LIK to generate an induction electromagnetic field in the Y-axis line plate portion 3D.
- the user designates the coordinate position by performing the “pen touch operation” on the XY coordinate plane of the XY coordinate forming unit 11 with the pen-shaped position specification tool 6.
- the position specification device 6 has a resonance circuit composed of an induction coil 6A and a resonance capacitor 6B, and is generated by the input loop coils LI1, LI2 ... LIK at the position where the user performs "pen touch operation".
- the generated electromagnetic field generates a tuned resonance current in the induction coil 6A and the resonant capacitor 6B, and an output at a position where "pen touch operation” is performed based on the induced electromagnetic field generated in the induction coil 6A based on the tuned resonance current.
- Loop coils LO1 and LO2 ... induce an induced voltage to LOJ.
- the position detection signal output unit 31 is based on the induced voltage from the signal output switches 32X1, 32X6, 32X3, 32X8, ... 32X (N-5) and 32XN connected to the output loop coils LO1, LO2 ... LOJ.
- the detected voltage is received by the electromagnetic induction signal output circuit 34 through the mode changeover switches SR1 and SR2 and is output as the designated position detection output signal S12 through the output changeover switch SC1.
- the signal output switches 32X1 and 32X6, 32X3 and 32X8 of the position detection signal output unit 31... 32X (N-5) and 32XN are turned on during the signal input switch 22Y1 of the drive signal input unit 21.
- 22Y6, 22Y3 and 22Y8... 22Y (M-5) and 22YM are selected to make a round-trip timing during each ON operation period, whereby the drive loop input to the input loop coils LI1, LI2.
- position detection output can be obtained from all the output loop coils LO1, LO2... LOJ (including the output loop coil subjected to the "pen touch operation") It is done like that.
- the value of the resonance capacitor 6B of the position specification tool 6 indicates the operation display surface of the transparent protective glass plate member 3E (FIG. 2) of the XY coordinate forming unit 11 with the pen tip for the user to specify the position.
- the phase of the tuning resonance current generated in the position specification device 6 and hence of the induced voltage of the output loop coils LO1, LO2... LOJ.
- synchronization change circuit 37 to detect the phase of electromagnetic induction detection signal S11 obtained from electromagnetic induction signal output circuit 34 of position detection signal output section 31 and thus designated position detection output signal S12 by using the change in phase.
- the pen pressure is detected by
- the synchronous detection circuit 37 includes a filter circuit 41 including a notch filter and a low pass filter and a programmable gain, which is a designated position detection output signal S12 based on the electromagnetic induction detection signal S11 obtained from the electromagnetic induction signal output circuit 34.
- phase components are separated and applied to integration circuits 44A and 44B, and the integration outputs are sampled in sample and hold circuits 45A and 45B and the sampling values are held, and the sampling and holding values are converted to digital values in AD converters 46A and 46B. Do.
- the 0 ° phase detection signal S21A representing the reference phase component of the designated position detection output signal S12 obtained from the coordinate position at which the pen touch operation is performed is obtained from the AD converter 46A on the 0 ° reference phase side and A 90.degree.
- Phase detection signal S21B of the designated position detection output signal S12 is obtained from the AD converter 46B, and this is sent as a part of the designated position detection signal S14.
- the drive pulse signal S4 of the drive pulse generation circuit 24A of the drive signal input unit 21 is attenuated at the non-inverting input terminal of the electromagnetic induction signal output circuit 34 (FIG. 4) of the differential amplifier circuit configuration.
- the signal input switches 22Y1, 22Y3... 22Y (M-5) are connected through the signal input switches 22Y1, 22Y3... 22Y (M-5), and the phase of the drive pulse signal S4 applied to the input loop coils LI1, LI2.
- reference phase information whereby the 0.degree.
- Phase detection signal S21B of which the synchronous detection circuit 37 becomes a reference phase, can be easily obtained.
- Mode selector switches SX1, SX3, SX5 ... SX (N-5) are turned off, and mode selector switches SY1, SY3, SY5 ... SY (M-5) are turned off in the Y-axis line plate portion 3D.
- the designated position detection unit 4 executes the processing of the electrostatic coupling type position detection operation mode.
- the designated position detection operation of the XY coordinate forming unit 11 at this time is referred to as “electrostatic coupling detection operation”.
- the X-axis linear members X1 to XN and the Y-axis linear members Y1 to YM form XY coordinate systems orthogonal to each other on the X-axis line plate portion 3C and the Y-axis line plate portion 3D, respectively, as shown in FIG.
- an electrostatic field is formed by the floating capacitance CZ centering on the intersection position of the X-axis linear members X1 to XN and the Y-axis linear members Y1 to YM.
- This electrostatic field is one in each lattice space of the XY coordinate system when the X axis line plate portion 3C and the Y axis line plate portion 3D stacked on each other are viewed from the plate surface of the transparent protective glass plate member 3E in FIG.
- the floating capacitance CZ formed between Y (m + 1) occurs almost uniformly in the XY coordinate system.
- the central processing unit 2 sequentially turns on the signal input switches 22Y1, 22Y2 ... 22YM of the drive signal input unit 21, and at the same time, the signal output switch 32X1 of the position detection signal output unit 31. , 32X2... 32XN are sequentially turned on (this cycle of on-operation is referred to as detection scan), a detection output is obtained when the signal output switch 32Xn is on in the on-operation state of the signal input switch 22YM.
- the coordinate (Xn, Ym) position is output from the electrostatic coupling signal output circuit 36 as an electrostatic coupling detection signal S13 when the touch operation is performed by the fingertip 5 and eventually transmitted as a designated position detection signal S14 of the position detection signal output unit 31. Be done.
- the electrostatic field at the designated position corresponds to the user's finger
- the electrostatic capacitance value which causes the output end of the electrostatic coupling signal output circuit 36 of the position detection signal output unit 31 to exhibit a change representing the change of the electrostatic capacitance, thereby
- the designated position detection signal S14 in the capacitance type position detection operation mode can be obtained.
- the XY coordinate forming unit 11 of this embodiment has an X-axis mode switching unit while having a single-piece configuration in which the X-axis plate portion 3C and the Y-axis plate portion 3D are stacked with the insulating layer material 3B interposed therebetween.
- the designated position detection operation in the pen touch operation by the electromagnetic induction method can be performed by switching control of the mode switching unit 14 including the 12 and Y axis mode switching unit 13, the finger touch operation by the electrostatic coupling method
- the operation of the central processing unit 2 with respect to the XY coordinate forming unit 11 when the designated position detection mode switching processing procedure RT1 is entered is basically, for example, a signal in the standby detection operation mode as shown in FIGS. Each detection operation mode is executed based on the operation condition as shown as a waveform.
- the central processing unit 2 By executing the standby detection operation mode processing, the central processing unit 2 arranges the operation conditions under which the designated position detection unit 4 can perform the responsive operation with respect to the detection mode performed by the user thereafter.
- central processing unit 2 sets a detection mode period for executing a designated detection mode (in this case, a standby detection mode period T1 arranged to start the detection operation).
- a detection mode period for this detection mode period, one cycle of the reference clock signal CL (FIG. 10D) is defined as a reference operation period t1 in which the designated detection operation (FIG. 10C) is performed only once.
- the finger touch detection output S23 (FIG. 10F) (obtained in the electrostatic coupling detection mode) or the pen touch detection output S24 (FIG. 10G) (electromagnetic) according to the designated position detection signal S14 Generating a resultant) to guide the detection mode.
- the central processing unit 2 causes the XY coordinate forming unit 11 to operate as an XY coordinate system according to the electromagnetic induction method described above with reference to FIG. It is controlled whether to operate as the XY coordinate system by the electrostatic coupling method described above with reference to FIG. 7 and FIG. 8 (FIG. 10 (C)).
- FIGS. 10A to 10G show the control in the case of the standby detection operation mode process SP1, and the central processing unit 2 performs the standby detection mode period T1 (FIG. 10A).
- the XY coordinate formation unit 11 performs a standby operation every reference operation period t1 (FIG. 10 (B)) of one cycle of the reference clock signal CL (FIG. 10 (D)) (FIG. 10 (C) ).
- the switching signal S21 is set to the electrostatic coupling switching level L1, but the XY coordinate forming unit 11 operates as either an electrostatic XY coordinate system or an electromagnetic induction XY coordinate system. Since neither the finger touch detection output S23 (FIG. 10 (F)) nor the pen touch detection output S24 (FIG. 10 (G)) has risen to a valid signal level.
- the central processing unit 2 determines what the operation mode designated in the processing step SP2.
- the operation modes in which the central processing unit 2 can control the XY coordinate forming unit 11 are the “electrostatic coupling fixed detection mode” and the “electromagnetic induction fixed detection mode” as the fixed detection mode, and the priority detection mode.
- the “standby operation mode”, the “electrostatic coupling priority detection operation mode”, the “electromagnetic induction priority detection operation mode”, the “non-priority detection mode”, and the “other detection mode” are set.
- step S12 it is determined whether the designated fixed detection mode is the electrostatic coupling fixation detection mode, and when a positive result is obtained, the process proceeds to step SP12 to execute the electrostatic coupling fixation detection processing procedure.
- step SP3 of the main routine the designated position detection mode switching process procedure RT1 is ended.
- This electrostatic coupling fixation detection processing procedure SP12 is, as shown in FIG. 12A, a reference operation of one cycle of the reference clock signal CL shown in FIG. 12D in the electrostatic coupling fixation detection operation mode period T2. As shown in FIG. 12C, the electrostatic coupling detection operation is continuously performed (referred to as a fixed detection operation) every period t1 (FIG. 12B).
- This electrostatic coupling detection operation relates to the stray capacitance CZ between the X axis members X1 to XN and the Y axis members Y1 to YM of the XY coordinate system of the electrostatic coupling type.
- a detection operation is performed to obtain a finger touch detection output S23 based on the electrostatic coupling detection signal S13. .
- the central processing unit 2 uses the switching signal S21 set to either the electrostatic coupling switching level L1 or the electromagnetic induction switching level L2 as a user.
- the user performs a fingertip touch operation with the fingertip 5 by causing the XY coordinate forming unit 11 to perform an electrostatic coupling detection operation when the switching signal S21 is at the electrostatic coupling switching level L1.
- a finger touch detection output S23 as shown in FIG. 12F is formed based on the electrostatic coupling detection signal S13 sent from the electrostatic coupling signal output circuit 36.
- the central processing unit 2 can not obtain the electromagnetic induction detection signal S11 from the electromagnetic induction signal output circuit 34 as shown in FIG. Therefore, the pen touch detection output S24 is not formed.
- the finger touch detection output S23 based on the electrostatic coupling detection signal S13 is obtained when the user performs a fingertip touch operation on the XY coordinate forming unit 11.
- the finger touch detection output S23 of the effective signal level can not be obtained.
- the central processing unit 2 continues to form the finger touch detection output S23 until the user cancels the designation operation of the electrostatic coupling fixed detection mode, but returns to step SP4 when the user cancels the operation.
- the designated position detection mode switching process procedure RT1 ends.
- step SP11 of FIG. 11 when a negative result is obtained in step SP11 of FIG. 11, this means that the fixed operation of the fixed detection mode performed by the user on the central processing unit 2 is the electromagnetic induction fixed detection mode.
- the central processing unit 2 proceeds to step SP14 to execute the electromagnetic induction fixed detection processing procedure.
- the reference process period t1 (FIG. 13A) of the electromagnetic induction fixed detection operation procedure is shown. 13 (B), continuously (this is referred to as a fixed detection operation), as described above for the electromagnetic induction XY coordinate system of FIG.
- the electromagnetic induction detection operation by the pen touch operation to be performed is performed (FIG. 13 (C)).
- the switching signal S21 is switched to the electromagnetic induction switching level L2, and if there is a pen touch operation on the XY coordinate forming unit 11 by the user, as shown in FIG. While the pen touch detection output S24 based on the signal S11 is formed, as shown in FIG. 13F, the finger touch detection output S23 based on the electrostatic coupling detection signal S13 is not formed.
- the central processing unit 2 first displays the standby operation mode period T4 in FIG. 15A as shown in FIG. 15C at every reference operation period t1 in FIG. While the standby operation is repeatedly performed q times a predetermined number of times continuously, the electrostatic coupling detection is performed in the electrostatic coupling operation period T21 and the electromagnetic induction operation period T22 between the next q standby operations 1 to q. The operation and the electromagnetic induction detection operation are sequentially performed one by one.
- the central processing unit 2 sets the switching signal S41 to the electrostatic coupling switching level L1 (FIG. 15 (E)), and the XY coordinate forming unit 11 is set to the electrostatic coupling type XY coordinate system. Neither does it operate with the XY coordinate system of the electromagnetic induction method.
- the priority detection mode is either the user intends to use the XY coordinate forming unit 11 in the finger touch operation mode, or intends to use it in the pen touch operation mode. Is meant to be.
- finger touch operation has many opportunities, and it can be considered that information input operation can be easily performed by this.
- the detection frequency for detecting the designated position is expected to be selected so as to be able to detect at any time.
- the detection frequency of the designated position when a pen touch operation is performed on the XY coordinate forming unit 11 is required to shift to the detection operation at a timing close to the operated timing, and the position specification tool 6 is separated from the touch operation surface In this case, it is expected that the detection operation continues as the electromagnetic induction XY coordinate system for a certain period of time.
- priority is given to the detection frequency at which the XY coordinate forming unit 11 is operated in the electrostatic coupling method and the electromagnetic induction method (frequency ratio thereof) Is selected between 1 to 10 and 1 to 100), and when the user designates the priority detection mode, the standby operation 1 to q between which static coupling priority processing and electromagnetic induction priority processing are not performed is performed.
- the electric coupling detection operation and the electromagnetic induction detection operation once each, it is confirmed which detection operation the user has designated (FIG. 15 (B)).
- the switching signal S41 is switched to the side of the electromagnetic induction switching level L2 in the electromagnetic induction operation period T22, while the electrostatic coupling operation period T21 and q standby operation periods are performed. Is maintained on the side of the electrostatic coupling detection level L1.
- the central processing unit 2 executes the process of confirming the detection output shown in FIG. 14 in step SP22, thereby performing the electromagnetic induction operation period T22 and the electrostatic coupling operation period T21 (FIG. 15A) in FIG. G) It is confirmed whether the pen touch detection output S24 or the finger touch detection output S23 shown in (F) is obtained.
- step SP22 If a negative result is obtained in this step SP22, the central processing unit 2 returns to the above-mentioned step SP21 and repeatedly executes the standby operation processing procedure (FIG. 15 (C)).
- the central processing unit 2 proceeds from step SP22 to step SP24 to perform electromagnetic operation.
- transition is made to the electromagnetic induction priority detection mode period T6 (FIG. 17A).
- step SP33 it is determined whether the number of scans has ended q times a predetermined number of times, and when a negative result is obtained, the process returns to step SP32 and step SP32 to step S32 until the number of scans is completed q predetermined times The scan operation of SP33 is repeated (FIG. 19 (C)).
- step SP33 After an affirmative result is obtained in step SP33 for the electromagnetic induction operation period T53 in FIG. 19A, the central processing unit 2 switches to the electromagnetic induction detection mode in the next step SP34 (FIG. 19C).
- step SP35 a scan of coordinate detection in the electromagnetic induction detection mode is performed once.
- the central processing unit 2 determines whether or not there is a pen touch detection output in the next step SP36, and when a negative result is obtained, returns to the above-mentioned step SP31.
- the central processing unit 2 continues the q times of capacitive coupling detection operation in the capacitive coupling priority detection mode period T5 (FIG. 19C), followed by the electromagnetic induction operation period.
- T5 capacitive coupling priority detection mode
- T53 FIG. 19E
- a pen touch detection output S24 FIG. 19G
- step SP36 the central processing unit 2 returns from the step SP36 to the above-mentioned step SP31, and thus repeats the q capacitive coupling detection process again.
- the central processing unit 2 performs the electromagnetic induction coupling operation once every q capacitive coupling detection operations, thereby giving priority to the q frequency of electrostatic feeding detection over the one electromagnetic induction detection frequency.
- the finger touch detection operation it is possible to perform the detection operation adapted to this.
- step SP36 if a positive result is obtained in step SP36, this means that in the electromagnetic induction operation period T53 following the q electrostatic detection operations for the electrostatic coupling priority detection mode period T5 (FIG. 19A).
- FIG. 19 (G) shows the case where pen touch detection output S24 is not obtained, whereas it shows the case where pen touch detection output S24 is obtained.
- the process proceeds from step SP36 to step SP25 of the main routine (FIG. 14) to determine whether to end the priority detection mode processing procedure SP5, and when a negative result is obtained, the procedure proceeds to step SP24 to perform electromagnetic induction priority processing procedure Run.
- step SP25 when an affirmative result is obtained in step SP25, the central processing unit 2 ends the priority detection mode processing procedure SP5, and the designated position detection mode switching processing procedure RT1 in step SP6 of the main routine of FIG. Finish.
- the pen flag (FLG) is a flag for the central processing unit 2 to determine the validity of the pen touch operation performed by the user at the time of the electromagnetic induction detection operation, and the pen touch detection output S24 (the central processing unit 2 performs the pen touch operation). Whether or not FIG. 21 (G) is valid is displayed.
- the central processing unit 2 first sets the pen FLG to be invalid in step SP41, whereby the central processing unit 2 enters the electromagnetic induction priority procedure SP24. , It is displayed by the pen flag (FLG) that there was no pen touch operation before that.
- step SP42 the central processing unit 2 switches to a state in which the XY coordinate forming unit 11 is operated as the XY coordinate system of the electromagnetic induction method described above with reference to FIG.
- the operation of central processing unit 2 is such that switching signal S41 is switched from electrostatic coupling switching level L1 to electromagnetic coupling operation period T62 in the previous electrostatic coupling priority detection mode period T5.
- the central processing unit A state 2 is a state where the pen touch detection output S24 is formed (FIG. 21 (G)) by the processing of step SP43 in the electromagnetic induction operation period T62.
- the pen touch detection output S24 (FIG. 21G) is sent from the position detection signal output unit 31 to the central processing unit 2. It will be in the state.
- the central processing unit 2 determines whether or not there is a pen touch detection output in step SP44.
- step SP44 When an affirmative result is obtained in step SP44, the central processing unit 2 moves on to step SP45, sets the pen flag (FLG) to a valid level, and moves on to step SP46, whereas when a negative result is obtained. After setting the pen flag (FLG) to an invalid level in step SP45X, the process proceeds to step SP46.
- step SP46 when the central processing unit 2 performs the process of step SP46, when the pen touch detection output S24 (FIG. 21G) actually generated based on the electromagnetic induction detection signal S11 is obtained, the pen flag While (FLG) is set to the valid level, the pen flag (FLG) is set to the invalid level when there is no pen touch detection output S24.
- the pen touch state is practically unstable, and the position specification tool 6 jumps from the operation display surface of the XY coordinate forming unit 11 This is because even if the user is away from the user, it is possible to properly reflect that the user is performing a pen touch operation on the validity or ineffectiveness of the pen flag (FLG).
- step SP46 the central processing unit 2 determines whether the number of scans, which is the number of electromagnetic induction detection operations, has reached a predetermined value r. If a negative result is obtained, the process returns to step SP43 to detect coordinates. Repeat the scan operation of.
- the central processing unit 2 obtains a pen touch detection output S24 (FIG. 21G) for the electromagnetic induction operation period T62 in the electromagnetic induction priority detection mode period T6 (FIG. 21A).
- the pen flag (FLG) is set to be valid in step SP45
- the coordinate detection scan operation is repeated via the loop of steps SP46 to SP43 to perform the electromagnetic detection operation r times a predetermined number of times (FIG. 21C).
- FIG. 21C a predetermined number of times
- step SP46 the central processing unit 2 proceeds to the next step SP47 and executes the electrostatic priority switching check process.
- This electrostatic priority switching check processing procedure SP47 is processing for confirming the aptitude when switching to the electrostatic coupling detection mode in the electromagnetic induction priority detection mode period T6, and as shown in FIG. First, at step SP61, the XY coordinate formation unit 11 is switched to the electromagnetic induction detection mode.
- the central processing unit 2 determines whether or not there is a pen touch detection output S24 in step SP63.
- the central processing unit 2 sets the pen flag (FLG) to be valid in step SP64, and then determines in step SP65 whether or not the number of scans has ended s times.
- step SP63 when a negative result is obtained in step SP63, the central processing unit 2 sets the pen flag (FLG) to be invalid in step SP64X.
- the central processing unit 2 resets the pen flag (FLG) at steps SP64 and SP64X so as to indicate the presence or absence of the pen touch detection output S24 actually generated based on the electromagnetic induction detection signal S11.
- step SP65 If a negative result is obtained in step SP65, the central processing unit 2 returns to the above-mentioned step SP62 and repeats the processing of steps SP62 to SP65.
- the central processing unit 2 executes the electromagnetic induction detection operation s times for the electrostatic coupling priority switching check operation period T7 (FIG. 23A) (FIG. 23C).
- the switching signal S41 is switched to the side of the electromagnetic induction switching level L2 (FIG. 23 (E)). Therefore, the finger touch detection output S23 (FIG. 23 (F)) is a detection output. In the pen touch detection output S24 (FIG. 23 (G)), the detection output may not be obtained during the s times of the electromagnetic induction detection operation.
- the central processing unit 2 switches the detection operation of the XY coordinate forming unit 11 to the electrostatic coupling detection mode in the next step SP67, and then executes a coordinate detection scan in step SP68.
- the presence or absence of an actual finger touch operation in the coupling detection mode can be detected.
- the detection result is confirmed by the central processing unit 2 determining in step SP69 whether there is a finger touch detection output and the pen flag (FLG) is invalid.
- the central processing unit 2 obtains a positive result in the determination of this step SP69, this means that the pen touch detection output is invalid at the same time as the finger touch operation is actually performed (therefore, the pen touch operation is not performed).
- the central processing unit 2 shifts from the processing operation node "2" to the processing step SP49 of the electromagnetic induction priority processing procedure SP24 (FIG. 20) to place the XY coordinate formation unit 11 in the electrostatic coupling operation mode. Perform processing to switch.
- This processing continues to perform a detection operation for confirming whether the user is performing a finger touch operation on the XY coordinate formation unit 11 by executing a scan of coordinate detection in step SP50, and the central processing unit In the next step SP51, it is judged whether or not there is a touch detection output and the pen flag (FLG) is invalid.
- the central processing unit 2 determines whether or not the user has designated the end of the priority detection processing mode, and when a negative result is obtained, it proceeds to the above-mentioned electrostatic coupling priority processing procedure SP23. Then, the XY coordinate formation unit 11 is switched from the electromagnetic induction priority processing operation state to the electrostatic coupling priority processing procedure operation state.
- step SP51 when a negative result is obtained in step SP51, there is no finger touch detection output or that the pen flag (FLG) is not at the invalid level, therefore the user performs pen touch operation on the XY coordinate formation unit 11.
- the central processing unit 2 returns to the above-mentioned processing step SP42 and shifts again to the state of operating the XY coordinate forming unit 11 in the electromagnetic induction detection mode for the processing steps SP42 to SP46 again.
- the central processing unit 2 executes the processing of the electrostatic priority switching check processing procedure SP47 to step SP51, whereby the electrostatic processing is performed. Whether or not the binding priority detection operation is necessary is confirmed. If necessary, the processing proceeds to the capacitive coupling priority processing, while if it is not necessary, the electromagnetic induction priority processing is repeated.
- the XY coordinate forming unit 11 is electrostatically coupled to the XY coordinate system or the electromagnetic of the electrostatic coupling system appropriately corresponding to whether the user's touch operation on the XY coordinate forming unit 11 is a finger touch operation or a pen touch operation. It can be made to function as operation input means of the guidance type XY coordinate system.
- step SP6 No priority processing procedure
- step SP8 the designated position detection mode switching process procedure RT1 is ended.
- the central processing unit 2 alternately executes the electrostatic coupling processing procedure and the electromagnetic induction processing procedure every unit processing time, and the detection frequency of each unit processing time is a value determined in advance for each processing procedure. .
- the detection frequency in unit processing time is, for example, 10 [times / second] for the electrostatic coupling process and 50 [times / second] for the electromagnetic induction process.
- the electrostatic coupling method is used when the user performs an input operation with the electronic pen while “hands on” the display operation surface of the XY coordinate formation unit 11. It is possible to reliably obtain the designated position detection operation result by the above and the designated position detection operation result by the electromagnetic induction method with a predetermined priority.
- the result of the designated position detection operation can be obtained without excess or deficiency.
- the electrostatic coupling detection operation and the electromagnetic induction detection operation with respect to the XY coordinate forming unit 11 are the electrostatic coupling fixation detection operation, the electromagnetic induction fixation detection operation, and standby
- the user's finger touch operation or pen touch operation It is possible to realize a designated position detection device capable of appropriately performing corresponding operation.
- the drive signal input unit 21 is provided for the Y-axis line plate portion 3D of the XY coordinate formation portion 11 and the X-axis line plate portion 3C.
- the position detection signal output unit 31 is provided.
- the position detection signal output unit 31 is provided for the Y-axis line plate unit 3D by replacing it with each other and the drive signal input unit for the X-axis line plate unit 3C. Even if 21 is provided, it is possible to obtain the same effect as that described above.
- N X-axis line members X1 to XN and M Y-axis line members are used as the XY coordinate forming unit 11 that configures the XY coordinate system of the electromagnetic induction system in FIG.
- Y1 to YM two wires sandwiching four wires between them form output loop coils LO1 to LOJ and input loop coils LI1 to LIK, but the wires sandwiched between them
- the number of ⁇ is not limited to four, and the same effect as described above can be obtained even if the number of is 0 to 3, or 5 or more.
- the present invention can be used when a touch input signal is input to an information processing apparatus having a tablet display surface.
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Abstract
Description
図1において、1は全体として第1の実施の形態における情報処理装置を示し、中央処理ユニット2がタブレット表示板部3との間に情報表示信号S1の交換をすると共に、タブレット表示板部3を含む指定位置検出部4において、ユーザが当該タブレット表示板部3のXY表示面上の特定の位置を、タブレット表示板部3の表示面に指先5を接触ないし近接させる動作をし(これを「指タッチ動作」と呼ぶ)、又はペン形状を有する位置指定具6を接触又は近接させる動作(これを「ペンタッチ動作」と呼ぶ)を行うことによって指定したとき、その指定位置を表す指定位置検出信号S2を指定位置検出制御部7から中央処理ユニット2に出力し、中央処理ユニット2が多様な情報の処理を実行するようになされている。
この実施の形態の場合、タブレット表示板部3はX軸線板部3C、絶縁層材3B及びY軸線板部3Dによって座標位置指定入力手段としてXY座標形成部11を構成し、当該XY座標形成部11を、指定位置検出制御部7からX軸線モード切換部12及びY軸線モード切換部13に与えられる動作モード切換信号S3によって、電磁誘導方式の指定位置検出動作モードと、静電結合方式の指定位置検出動作モードとを切換自在に実行できるようになされている。
モード切換部14は、図3のX軸線モード切換部12とY軸線モード切換部13とで構成され、X軸線板部3C上に配設されたX軸線体X1~XNと、Y軸線板部3D上にX軸線体X1~XNと交差するように設けられたY軸線体Y1~YMとを用いて電磁誘導方式の指定位置検出動作モードと、静電結合方式の指定位置検出動作モードとを、一枚の単板構成のXY座標形成部11を用いて実行できるようにする。
中央処理ユニット2は、ユーザが電磁誘導方式による指定位置検出動作モードを指定したとき、指定位置検出制御部7を介してモード切換部14のX軸線モード切換部12及びY軸線モード切換部13を制御することにより、入力用ループコイルLI1、LI2……LIK及び出力用ループコイルLO1、LO2……LOJ(図5)を形成させると共に、駆動信号入力部21及び位置検出信号出力部31を電磁誘導検出動作モードに切り換える(図3)。
図3のXY座標形成部11のX軸線板部3C及びY軸線板部3Dの構成において、中央処理ユニット2が、X軸線モード切換部12のモード選択スイッチSX1、SX3、SX5……SX(N-5)がオフ動作させ、かつY軸線板部3Dのモード選択スイッチSY1、SY3、SY5……SY(M-5)をオフ動作させたとき、指定位置検出部4は静電結合式位置検出動作モードの処理を実行する。
(6-1)待受検出動作モード
図1において、中央処理ユニット2に対してユーザが指定位置検出モードを指定したとき、中央処理ユニット2は指定位置検出制御部7に対して図9に示す指定位置検出モード切換処理手順RT1を実行することにより、指定位置検出制御部7が駆動信号入力部21及び位置検出信号出力部31に対して位置検出モードの切換動作を内容とする指定位置検出モード指令信号S18及びS19を与えることにより、先ずステップSP1において待受検出動作モード処理を実行する。
中央処理ユニット2は、図9の処理ステップSP2において固定検出モードが指定されたと判断すると、固定検出モード処理手順SP3に入り、図11に示すように、先ずステップSP11において、指定された固定検出モードが静電結合固定検出モードか否かの判断をし、肯定結果が得られたときステップSP12に移って静電結合固定検出処理手順を実行した後、図9のメインルーチンのステップSP3に戻って、当該指定位置検出モード切換処理手順RT1を終了する。
中央処理ユニット2は、図9の指定位置検出モード切換処理手順RT1のステップSP2においてユーザが優先検出モードを指定したと判断したとき、図14に示す優先検出モード処理手順SP5に入る。
中央処理ユニット2は静電結合優先処理手順SP23に入ると、図18に示すように、先ずステップSP31においてXY座標形成部11を図7及び図8について上述した静電結合方式のXY座標系となる動作モードに切り換えた後、次の静電結合優先検出モード期間T5(図19(A))について、ステップSP32において座標検出のスキャンを1回実行した後、ステップSP33においてスキャン回数が所定の回数q回終了したか否かの判断をし、否定結果が得られたとき上記ステップSP32に戻ってスキャン回数が所定回数q回だけ終了するまでステップSP32~SP33のスキャン動作を繰り返す(図19(C))。
中央処理ユニット2は、図14において、ステップSP22又はステップSP25から電磁誘導優先処理手順SP24に入ると、先ず図20のステップSP41に移ってペンフラグ(FLG)(これを「ペンFLG」とも呼ぶ)を無効に設定する。
中央処理ユニット2は、図9の処理ステップSP2において、優先なし検出モードが指定されたことを検出すると、ステップSP7において、優先なし検出モード処理手順を実行して、ステップSP8において当該指定位置検出モード切換処理手順RT1を終了する。
図9の「固定検出」動作モード、「優先検出」動作モード及び「優先なし検出」動作モード以外の検出動作モードがユーザによって指定された場合、中央処理ユニット2は、処理ステップSP9において当該他の検出モード処理手順を実行した後、ステップSP10において当該指定位置検出モード切換処理手順RT1を終了する。
(7-1)上述の実施の形態においては、XY座標形成部11のY軸線板部3Dに対して駆動信号入力部21を設けると共にX軸線板部3Cに対して位置検出信号出力部31を設けるようにしたが、これを相互に入れ換えて、Y軸線板部3Dに対して位置検出信号出力部31を設けると共にX軸線板部3Cに対して駆動信号入力部21を設けるようにしても、上述の場合と同様の作用効果を得ることができる。
Claims (9)
- 複数の線体でなるX軸線体及び複数の線体でなるY軸線体を互いに交差させた構成を有するXY座標形成部と、
上記X軸線体及び上記Y軸線体のいずれか一方の一端側に設けられ、駆動入力信号を入力する駆動信号入力部と、
上記X軸線体及び上記Y軸線体のいずれか他方の他端側に設けられ、位置指定手段が上記XY座標形成部のXY座標位置を指定したとき、当該指定した座標位置に対応する位置検出信号を出力する位置検出信号出力部と、
上記XY座標形成部の指定位置検出モードを静電結合方式又は電磁誘導方式に切り換えるモード切換部と
を具えることを特徴とする指定位置検出装置。 - 上記XY座標形成部は、
上記X軸線体を配設してなるX軸線板部と、
上記Y軸線体を配設してなるY軸線板部と
を有し、上記X軸線板部及び上記Y軸線板部を絶縁層材を間に挟んで積層した構成を有する
ことを特徴とする請求項1に記載の指定位置検出装置。 - 複数の線体でなるX軸線体及び複数の線体でなるY軸線体を互いに交差させた構成を有するXY座標形成部と、
上記X軸線体及び上記Y軸線体のいずれか一方の一端側に設けられ、駆動入力信号を入力する駆動信号入力部と、
上記X軸線体及び上記Y軸線体のいずれか他方の他端側に設けられ、位置指定手段が上記XY座標形成部のXY座標位置を指定したとき、当該指定した座標位置に対応する位置検出信号を出力する位置検出信号出力部と、
上記X軸線体及び上記Y軸線体のいずれか一方の上記駆動信号入力部が設けられていない他端側に設けられた第1のモード切換部と、
上記X軸線体及び上記Y軸線体のいずれか他方の上記位置検出信号出力部が設けられていない他端側に設けられた第2のモード切換部と
を具え、
上記駆動信号入力部は、接続された線体の一端のうちから2本を順次選択して上記駆動入力信号を入力すると共に、上記第1のモード切換部は当該順次選択された上記2本の線体の他端間をそれぞれ接続することによりそれぞれ当該2本の線体によって入力信号入力用のループコイルを形成し、
上記位置検出信号出力部は接続された線体のうちから2本を順次選択して上記位置検出信号を出力すると共に、上記第2のモード切換部は当該選択された上記2本の線体の他端を接続することにより当該2本の線体によって位置検出信号出力用のループコイルを形成し、
ペンタッチ型の上記位置指定手段が上記XY座標形成部のXY座標位置を指定したとき、上記形成された入力信号入力用のループコイルから入力された入力信号を、上記位置指定手段を介して上記位置検出信号出力用のループコイルに伝達することにより、上記位置検出信号出力部から電磁誘導検出モードのペンタッチ動作検出出力として出力する
ことを特徴とする指定位置検出装置。 - 複数の線体でなるX軸線体及び複数の線体でなるY軸線体を互いに交差させた構成を有するXY座標形成部と、
上記X軸線体及び上記Y軸線体のいずれか一方の一端側に設けられ、駆動入力信号を入力する駆動信号入力部と、
上記X軸線体及び上記Y軸線体のいずれか他方の他端側に設けられ、位置指定手段が上記XY座標形成部のXY座標位置を指定したとき、当該指定した座標位置に対応する位置検出信号を出力する位置検出信号出力部と、
上記X軸線体及び上記Y軸線体のいずれか一方の上記駆動信号入力部が設けられていない他端側に設けられた第1のモード切換部と、
上記X軸線体及び上記Y軸線体のいずれか他方の上記位置検出信号出力部が設けられていない他端側に設けられた第2のモード切換部と
を具え、
上記第1及び第2のモード切換部が上記線体間を接続しない動作状態において、上記駆動信号入力部は上記接続された線体の一端に順次上記駆動入力信号を入力すると共に、ユーザの指先が、上記位置指定手段として、上記XY座標形成部のXY座標位置を指定したとき、上記駆動信号入力部から入力され、上記ユーザの指先によって上記線体間の浮遊容量に生じた変化を受けながら伝達された上記駆動入力信号を、上記位置検出信号出力部から静電結合検出モードの指タッチ動作検出出力として出力する
ことを特徴とする指定位置検出装置。 - 複数の線体でなるX軸線体及び複数の線体でなるY軸線体を互いに交差させた構成を有するXY座標形成部と、
上記X軸線体及び上記Y軸線体のいずれか一方の一端側に設けられ、駆動入力信号を入力する駆動信号入力部と、
上記X軸線体及び上記Y軸線体のいずれか他方の他端側に設けられ、位置指定手段が上記XY座標形成部のXY座標位置を指定したとき、当該指定した座標位置に対応する位置検出信号を出力する位置検出信号出力部と、
上記X軸線体及び上記Y軸線体のいずれか一方の上記駆動信号入力部が設けられていない他端側に設けられた第1のモード切換部と、
上記X軸線体及び上記Y軸線体のいずれか他方の上記位置検出信号出力部が設けられていない他端側に設けられた第2のモード切換部と
を具え、
上記駆動信号入力部、上記位置検出信号出力部、上記第1のモード切換部及び上記第2のモード切換部は、上記XY座標形成部を常時静電結合検出モードの動作状態に維持させることにより、ユーザが上記XY座標形成部に対して常時指タッチ入力操作できるようにした
ことを特徴とする指定位置検出装置。 - 複数の線体でなるX軸線体及び複数の線体でなるY軸線体を互いに交差させた構成を有するXY座標形成部と、
上記X軸線体及び上記Y軸線体のいずれか一方の一端側に設けられ、駆動入力信号を入力する駆動信号入力部と、
上記X軸線体及び上記Y軸線体のいずれか他方の他端側に設けられ、位置指定手段が上記XY座標形成部のXY座標位置を指定したとき、当該指定した座標位置に対応する位置検出信号を出力する位置検出信号出力部と、
上記X軸線体及び上記Y軸線体のいずれか一方の上記駆動信号入力部が設けられていない他端側に設けられた第1のモード切換部と、
上記X軸線体及び上記Y軸線体のいずれか他方の上記位置検出信号出力部が設けられていない他端側に設けられた第2のモード切換部と
を具え、
上記駆動信号入力部、上記位置検出信号出力部、上記第1のモード切換部及び上記第2のモード切換部は、常時電磁誘導検出モードの動作状態に維持させることにより、上記XY座標形成部に対して常時ペンタッチ入力操作できるようにした
ことを特徴とする指定位置検出装置。 - 複数の線体でなるX軸線体及び複数の線体でなるY軸線体を互いに交差させた構成を有するXY座標形成部と、
上記X軸線体及び上記Y軸線体のいずれか一方の一端側に設けられ、駆動入力信号を入力する駆動信号入力部と、
上記X軸線体及び上記Y軸線体のいずれか他方の他端側に設けられ、位置指定手段が上記XY座標形成部のXY座標位置を指定したとき、当該指定した座標位置に対応する位置検出信号を出力する位置検出信号出力部と、
上記X軸線体及び上記Y軸線体のいずれか一方の上記駆動信号入力部が設けられていない他端側に設けられた第1のモード切換部と、
上記X軸線体及び上記Y軸線体のいずれか他方の上記位置検出信号出力部が設けられていない他端側に設けられた第2のモード切換部と
を具え、
上記駆動信号入力部、上記位置検出信号出力部、上記第1のモード切換部及び上記第2のモード切換部は、静電結合優先検出動作させることにより、上記XY座標形成部について指定位置検出動作に必要な単位時間ごとに、静電結合検出モードで指タッチ入力操作できる動作状態に設定された期間の割合を、電磁誘導検出モードによるペンタッチ入力操作に対して大きくした
ことを特徴とする指定位置検出装置。 - 複数の線体でなるX軸線体及び複数の線体でなるY軸線体を互いに交差させた構成を有するXY座標形成部と、
上記X軸線体及び上記Y軸線体のいずれか一方の一端側に設けられ、駆動入力信号を入力する駆動信号入力部と、
上記X軸線体及び上記Y軸線体のいずれか他方の他端側に設けられ、位置指定手段が上記XY座標形成部のXY座標位置を指定したとき、当該指定した座標位置に対応する位置検出信号を出力する位置検出信号出力部と、
上記X軸線体及び上記Y軸線体のいずれか一方の上記駆動信号入力部が設けられていない他端側に設けられた第1のモード切換部と、
上記X軸線体及び上記Y軸線体のいずれか他方の上記位置検出信号出力部が設けられていない他端側に設けられた第2のモード切換部と
を具え、
上記駆動信号入力部、上記位置検出信号出力部、上記第1のモード切換部及び上記第2のモード切換部は、電磁誘導優先動作させることにより、上記XY座標形成部について指定位置検出動作に必要な単位時間ごとに電磁誘導検出モードでペンタッチ入力操作できる動作状態に設定された期間の割合を、静電結合検出モードによる指タッチ入力操作に対して大きくした
ことを特徴とする指定位置検出装置。 - 複数の線体でなるX軸線体及び複数の線体でなるY軸線体を互いに交差させた構成を有するXY座標形成部と、
上記X軸線体及び上記Y軸線体のいずれか一方の一端側に設けられ、駆動入力信号を入力する駆動信号入力部と、
上記X軸線体及び上記Y軸線体のいずれか他方の他端側に設けられ、位置指定手段が上記XY座標形成部のXY座標位置を指定したとき、当該指定した座標位置に対応する位置検出信号を出力する位置検出信号出力部と、
上記X軸線体及び上記Y軸線体のいずれか一方の上記駆動信号入力部が設けられていない他端側に設けられた第1のモード切換部と、
上記X軸線体及び上記Y軸線体のいずれか他方の上記位置検出信号出力部が設けられていない他端側に設けられた第2のモード切換部と
を具え、
上記駆動信号入力部、上記位置検出信号出力部、上記第1のモード切換部及び上記第2のモード切換部は、指定位置検出動作を開始する際に、
ことを特徴とする指定位置検出装置。
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JP2017076352A (ja) * | 2015-10-16 | 2017-04-20 | 株式会社ジャパンディスプレイ | 表示装置 |
JP2017220187A (ja) * | 2016-06-10 | 2017-12-14 | ニューコムテクノ株式会社 | 位置検出装置及び位置検出方法 |
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JP2019091291A (ja) * | 2017-11-15 | 2019-06-13 | 株式会社ジャパンディスプレイ | 表示装置 |
WO2020003970A1 (ja) * | 2018-06-25 | 2020-01-02 | 株式会社ワコム | タッチic及び外部プロセッサを含むシステムで実行される方法 |
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CN106843596B (zh) * | 2017-03-20 | 2019-11-26 | 深圳市亿维自动化技术有限公司 | 一种触摸检测方法和装置 |
EP3739434A4 (en) | 2018-02-13 | 2021-01-06 | Wacom Co., Ltd. | POSITION DETECTION DEVICE AND METHOD BASED ON ELECTROMAGNETIC INDUCTION COUPLING AND ELECTROSTATIC COUPLING |
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