CN106462311A - Analog touch panel device - Google Patents
Analog touch panel device Download PDFInfo
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- CN106462311A CN106462311A CN201480078768.9A CN201480078768A CN106462311A CN 106462311 A CN106462311 A CN 106462311A CN 201480078768 A CN201480078768 A CN 201480078768A CN 106462311 A CN106462311 A CN 106462311A
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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
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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
- G06F3/045—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
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- General Engineering & Computer Science (AREA)
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- Human Computer Interaction (AREA)
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- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
An analog touch panel device is provided with: an input zone detection unit (121) that detects the position of a touched zone; a detected coordinate value acquisition unit (122) that determines a detected coordinate value of a touched coordinate; a pattern determination unit (123) that determines a parallel-cross shaped pattern configured by the touched zone; a computed coordinate value calculation unit (125) that calculates a computed coordinate value which is a coordinate value of a corner portion of two zones that are adjacent in a pair of side directions among a plurality of zones configuring the parallel-cross shaped pattern; a difference calculation unit (126) that calculates a coordinate value difference between the detected coordinate value and the computed coordinate value with respect to the touched zone; a reference coordinate value calculation unit (127) that calculates a reference coordinate value which is the coordinate value of the corner portion of the two zones corresponding to the computed coordinate value when the parallel-cross shaped pattern is not configured, on the basis of a resistance value in each zone when the parallel-cross shaped pattern is not configured and information about the position of a zone configuring the parallel-cross shaped pattern; and a corrected coordinate value calculation unit (128) that calculates a corrected coordinate value obtained by correcting the reference coordinate value on the basis of the coordinate value difference.
Description
Technical field
The present invention relates to a kind of simulated touch face equipment.
Background technology
In recent years, as the display unit in information such as LCD monitors, information is shown, and using finger etc.
One of device pressed the button of display on liquid crystal panel and enter information into, simulated touch face equipment is just gradually popularized.
In the mobile message instrument employing simulated touch face equipment, can carry out employing touch panel,
Gesture operation in display picture and the multiple point touching touching multiple points, realize intuitively operating, are achieved in operability
Improve.
The majority of this mobile message instrument, by carrying the touch panel of electrostatic capacitance mode, is achieved in above-mentioned behaviour
The raising of the property made.However, the touch panel price of electrostatic capacitance mode is high, and exists and using glove etc., touch panel is carried out
Unresponsive problem in the case of touch.
Therefore, replace the touch panel of electrostatic capacitance mode, occur in that and can realize multiple point touching using resistive film mode
Touch panel.In the touch panel being capable of multiple point touching, 1 touch panel is divided into and distinguishes in vertical and horizontal
Area's (cell).And, by detecting to the touch input information on each area (cell), thus carrying out touch surface
The acquisition of the coordinate figure at plate.
Here, the acquisition methods of the coordinate figure employing at the touch panel of area's (cell) are illustrated.First, obtain
Take the touch information with each behavior unit in the area's (cell) being partitioned into, i.e. touch input operation has been carried out to touch panel
This information.Then, obtain the touch information of each Hang Neige area (cell) that there is touch input operation.Then, obtain
There is the AD value information of the coordinate in each area (cell) of touch input operation.As long as this each area existing and touching can be obtained
The AD value information of (cell), then be exactly correct process for processing as touch panel.
If however, obtaining AD value information for whole area'ss (cell), from being touched for touch panel
Input operation requires time for the acquisition of AD value information, and its result is in response to slow.Therefore, carry out detecting
After area's (cell) of touch input operation, obtain AD value only for this area (cell), be achieved in carrying of response speed
High.
Then, the AD value information that gets for this and check properness.Here, the AD value obtained by judging be whether
Make the AD value that originally should exist in area's (cell) of reaction.If it is determined that result be obtained by AD value be not work
Go out the AD value that originally should exist in area's (cell) of reaction, then this AD value is considered noise, enter to be about to the removal of AD value
Process.
On the other hand, in obtained AD value it is the AD value that originally should exist in the area's (cell) having made reaction
In the case of, finally enter the rounding treatment of the AD value near row bound.If near the boundary line in adjacent area's (cell)
Carry out touch input operation and touch input operation crossing the boundary line, even then due to 1 point of touch input operation, being also
Reacted more than or equal to 2 areas's (cell), therefore AD value also obtains more than or equal to 2 values.However, due to actual
Touch input operation is at 1 point, if the AD value therefore near boundary line is approximate, enter to be about to obtained more than or equal to 2
AD value is rounded to the rounding treatment of 1 AD value.Thus, the quantity having carried out the touch point of touch input operation and the AD obtaining are made
The quantity of value is consistent, obtains the coordinate figure at touch panel.
As this touch-panel device, for example, Patent Document 1 discloses following panel input devices, i.e.
Multiple contact coordinate measurement regions are set on touch surface plate face, for the region distribution input mode being partitioned into, for institute
When stating the region being partitioned into and having carried out touch input, call relative with the input mode distributing to this region from algorithm storage element
The algorithm answered, carries out contacting the detection of coordinate using this algorithm.
In addition, for example Patent Document 2 discloses the description below, i.e. even if being in exception with regard to touch panel input
State also can touched while input coordinate is corrected with the board-like input and display device of touch surface while proceeding action
In the case of touching panel exception, abnormality is notified, in the case of can carrying out coordinates correction, input coordinate is carried out
Correction, shows to can not be continuing with this situation in the case of can not carrying out coordinates correction.
In addition, for example Patent Document 3 discloses following input equipment, i.e. one contact point coordinates and another
In the case that the distance of contact point coordinates is less than setting, the coordinate figure based on a contact point coordinates and another contact point are sat
Target coordinate figure and the coordinate figure of revealing coordinate to one calculates, a contact point coordinates is contacted point coordinates with another and puts
It is changed to described one and reveal coordinate.
Patent documentation 1：Japanese Unexamined Patent Publication 11-161425 publication
Patent documentation 2：Japanese Unexamined Patent Publication 2010-277119 publication
Patent documentation 3：Japanese Unexamined Patent Publication 2011-145751 publication
Content of the invention
However, according to above-mentioned prior art, there are following problems, i.e. be in the structure of groined type (rectangle) in cell
When touch input operation in the case of, obtained AD value be coordinate figure occur deviation.
The present invention in view of the above and propose, its object is to obtain a kind of simulated touch face equipment, should
In the case that simulated touch face equipment becomes groined type (rectangle) in the touch input operation on picture, can obtain accurately
Touch input coordinate.
In order to solve above-mentioned problem, realize purpose, simulated touch face equipment according to the present invention is characterised by having
Simulated touch panel, this simulated touch panel has the outer shape of quadrangle form in face direction, and in described tetragon
It is impartial, quadrangle form multiple areas by region segmentation respectively on the direction of 2 opposite side of shape, described simulated touch panel
It is configured to, make the resistive film being respectively arranged with a pair of electrodes terminal at relative end edge portion with the orthogonal side of described electrode terminal
Formula is overlapping up and down, is pressed resistance face by touch input operation, using connecing because of upper and lower described resistive film at this moment
Touch the electric resistance partial pressure producing and detection coordinates, described simulated touch face equipment has：Input area test section, it is to described simulation
The position having carried out the described area of touch input operation at touch panel is detected；Detection coordinates value acquisition unit, its obtain into
The coordinate figure of position of described touch input operation of having gone is detection coordinates value；Pattern detection unit, it will carry out described touch
The pattern of groined type that the multiple described area of input operation is constituted and set groined type pattern are compared and implement to judge；
Coordinates computed value calculating part, its resistance based on each area corresponding with the groined type pattern being determined by described pattern detection unit
Value and the information constituting the position in the described area of groined type pattern being determined by described pattern detection unit, to composition by described
Adjacent on the direction on the pair of side 2 described areas among multiple areas of the pattern of the groined type that pattern detection unit determines
The coordinate figure in corner be that coordinates computed value is calculated；Mathematic interpolation portion, it is directed to and has carried out described touch input operation
Area, calculates to the coordinate figure difference of described detection coordinates value and described coordinates computed value；Reference coordinate value calculating part, its base
The resistance value in each area in the case that the plurality of described area does not constitute the pattern of groined type and composition are judged by described pattern
The information of the position in described area of the groined type pattern that portion determines, does not constitute the pattern of groined type to the plurality of described area
In the case of the coordinate figure in the corner in described 2 described areas corresponding with described coordinates computed value be that reference coordinate value is counted
Calculate；And calibration coordinate value calculating part, it corrects, to based on described coordinate figure difference, the school that described reference coordinate is worth to
Cartesian coordinate value is calculated.
The effect of invention
According to the present invention, realize following effects, i.e. the touch input operation on picture becomes groined type (rectangle)
In the case of, accurate touch input coordinate can be obtained.
Brief description
Fig. 1 is the outward appearance of the simulated touch panel of the simulated touch face equipment representing that embodiments of the present invention are related to
Top view.
Fig. 2 is the block diagram of the structure of simulated touch face equipment representing that embodiments of the present invention are related to.
Fig. 3 is the flow process of the coordinate measurement process of the simulated touch face equipment representing that embodiments of the present invention are related to
Flow chart.
Fig. 4 is to represent that the multiple areas (cell) being touched become of the touch condition of cell structure of groined type
The touch panel schematic diagram of example.
Fig. 5 is to represent that the multiple areas (cell) being touched become of the touch condition of cell structure of groined type
The touch panel schematic diagram of example.
Fig. 6 is to represent that the multiple areas (cell) being touched become of the touch condition of cell structure of groined type
The touch panel schematic diagram of example.
Fig. 7 is to represent to touch, at the simulated touch panel of region segmentation formula, the conductive path being constituted in the case of 1 point
The schematic diagram in footpath.
Fig. 8 is to represent to carry out in the way of constituting groined type (rectangle) at the simulated touch panel of region segmentation formula
The schematic diagram of the conductive path being constituted in the case of touch.
Fig. 9 is the figure of the basic pattern of groined type representing that present embodiment Zhong You area (cell) is constituted.
Figure 10 is the figure of the basic pattern of groined type representing that embodiments of the present invention Zhong You area (cell) is constituted.
Figure 11 is the figure of the basic pattern of groined type representing that embodiments of the present invention Zhong You area (cell) is constituted.
Figure 12 is the figure of the basic pattern of groined type representing that embodiments of the present invention Zhong You area (cell) is constituted.
Figure 13 is the figure of the basic pattern of groined type representing that embodiments of the present invention Zhong You area (cell) is constituted.
Figure 14 be represent simulated touch face equipment that embodiments of the present invention are related to detection coordinates value (AD value)
The flow chart of the flow process of the bearing calibration being corrected.
Figure 15 is the configuration of the resistance of simulated touch panel of the region segmentation formula representing that embodiments of the present invention are related to
Schematic diagram.
Figure 16 be represent area's (cell) of being touched constitute groined type (rectangle) in the case of resistance configuration
Schematic diagram.
Figure 17 is to represent that the area's (cell) being touched constitutes the figure of an example of situation of groined type (rectangle).
Figure 18 is to represent that the area's (cell) being touched does not constitute the figure of an example of situation of groined type (rectangle).
Figure 19 is to represent an example obtaining the situation of calibration coordinate value by splitting further in area (cell)
Schematic diagram.
Specific embodiment
Below based on accompanying drawing, the embodiment of simulated touch face equipment according to the present invention is described in detail.This
Outward, the present invention is not limited to following description, can suitably be changed without departing from the spirit and scope of the invention.
Embodiment.
Fig. 1 be the simulated touch panel of the simulated touch face equipment 1 representing that embodiments of the present invention are related to (below,
Be referred to as touch panel) outward appearance top view.As shown in figure 1, in simulated touch face equipment 1, having the 1 of quadrangle form
Piece touch panel is between horizontal (X-direction of in figure, line direction) and longitudinal (Y-direction of in figure, column direction) is by boundary line 12 etc.
Carry out region segmentation every ground.Become the simulated touch panel of region segmentation formula.Thus, touch panel in face direction with rectangular quilt
It is divided into area's (cell) 11 with quadrangle form.And, by the touch input letter on each area (cell) 11
Breath is detected, thus carrying out the acquisition of the coordinate figure at touch panel.
Fig. 2 is the block diagram of the structure of simulated touch face equipment 1 representing that embodiment is related to.In fig. 2, (a) represents
The overall structure of simulated touch face equipment 1, (b) represents the detailed construction of touch panel processing unit 120.Simulated touch panel fills
Put 1 and there is guidance panel portion 110, touch panel processing unit 120, main process task portion 130, storage part 140 and control unit 150.
Guidance panel portion 110 has touch panel 111, display part 112, this guidance panel portion 110 have input block and
The function of display unit.Guidance panel portion 110 is configured with the touch panel as input equipment in the front surface of display part 112
111.Touch panel 111 is transparent, and the image shown by display part 112 that user can observe underface passes through
Touch is inputted.
Touch panel 111 is set to there is OBL, resistive film mode touch panel in face direction.Typically for
The touch panel of resistive film mode, the resistive film being respectively arranged with a pair of electrodes terminal at relative end edge portion is with described electrode
The orthogonal mode of terminal is overlapping up and down.And, by touch input operation, resistance face is pressed, using upper and lower because at this moment
Described resistive film contact produce electric resistance partial pressure and detection coordinates.For example, the surface of the glass surface becoming pedestal across
Small pad and paste softness transparent membrane.It is provided with for example by ITO in the relative face of glass and transparent membrane
The transparent electrode grid that (Indium Tin Oxide) is constituted.And, if touching thin transparent face, due to the pressure touching
Power, transparent membrane bends and the electrode contact with glass surface, flows through electric current.And, to by glass surface, thin transparent face each
The intrinsic standoff ratio that obtains of resistance of transparency electrode be measured, thus detect pressed position.That is, if being directed to relative 2
1 among sheet resistance film is applied with voltage, then in the 2nd corresponding voltage in position producing with operation.Touch panel 111 will
This magnitude of voltage exports to touch panel processing unit 120.In touch panel processing unit 120, by detecting to this intrinsic standoff ratio,
So as to detect to the position of operation as analog quantity (magnitude of voltage).Then, AD conversion is carried out to this magnitude of voltage, become
For AD value.Further, since this detection method and detection structure are known, therefore omit specifically in this specification
Bright.
Display part 112 for example can use the display unit such as LCD, plasma display, organic el display.
Touch panel processing unit 120 is to the touch input operation (below, sometimes referred to as touching) for touch panel 111
Input position (input coordinate) is detected and is corrected.Touch panel processing unit 120 has input area test section 121, detection
Coordinate figure acquisition unit 122, pattern detection unit 123, resistance value storage part 124, coordinates computed value calculating part 125, mathematic interpolation portion
126th, reference coordinate value calculating part 127, calibration coordinate value calculating part 128 and check portion 129.
Input area test section 121 has comparator, and this input area test section 121 is according to the area exporting from touch panel 111
The output voltage of (cell) 11 compared with reference voltage be high or low touch is judged, to have carried out touch defeated for detection
Enter the position in the area of operation.That is, judge output voltage phase in the row of area (cell) 11 and the row both sides of area (cell) 11
It is high or low for reference voltage, thus detection has carried out the position in the area of touch input operation.
The coordinate figure that detection coordinates value acquisition unit 122 obtains the position having carried out touch input operation is detection coordinates value.
Pattern detection unit 123 preserves the information that multiple areas (cell) 11 constitute groined type, set groined type pattern,
The pattern of the groined type that the multiple areas (cell) 11 having carried out touch input operation are constituted and set groined type pattern
It is compared and implement to judge.
Resistance value storage part 124 is directed to the set pattern of multiple groined types and stores the situation that multiple areas constitute groined type
The resistance value in Xia Ge area.
Coordinates computed value calculating part 125 is based on each area corresponding with the groined type pattern being determined by pattern detection unit
Resistance value and the information constituting the position in the area of groined type pattern being determined by pattern detection unit, are judged by pattern to constituting
The coordinate in the adjacent corner in 2 areas on the direction of an opposite side among multiple areas of the pattern of the groined type that portion 123 determines
Value is that coordinates computed value is calculated.Here, the corner in adjacent 2 areas on the direction of an opposite side is formed in composition groined type
The beeline portion on the direction of an opposite side between area's (cell) 11T of (rectangle).
Mathematic interpolation portion 126 is directed to the area's (cell) 11 having carried out touch input operation, to detection coordinates value and calculating
The coordinate figure difference of coordinate figure is calculated.
Reference coordinate value calculating part 127 is corresponding with coordinates computed value in the case of the pattern of groined type to not constituting
The coordinate figure in the corner in 2 areas is that reference coordinate value is calculated.
Calibration coordinate value calculating part 128 corrects, to based on coordinate figure difference, the calibration coordinate value that reference coordinate is worth to
Calculated.
Check portion 129 carries out the AD conversion of detection coordinates value and calibration coordinate value and generates AD value, carries out coordinate figure (AD
Value) the inspection of properness and coordinate figure (AD value) rounding treatment.In addition, check portion 129 by the inspection of properness and
Coordinate figure after the rounding treatment of coordinate figure (AD value) terminates sends to main process task portion 130.Additionally, AD conversion can also be by special
Processing unit carry out.
Main process task portion 130 is based on area's (unit that input from touch panel processing unit 120, to have carried out touch input operation
Lattice) 11 input coordinate value and execute soft-touch control function.
Storage part 140 is carried out to the various programs needed for the various process of simulated touch face equipment 1 and various information
Storage.
Control unit 150 is integrally controlled to the process of simulated touch face equipment 1.
Below, the coordinate measurement of simulated touch face equipment 1 of the present embodiment is processed and illustrate.Fig. 3 is
The flow chart representing the flow process that the coordinate measurement of simulated touch face equipment 1 of the present embodiment is processed.
First, the touching with each behavior unit at the area's (cell) 11 after input area test section 121 obtains region segmentation
Touch information, i.e. touch panel 111 has been carried out touch this information (step S110).Here, row refers to the longitudinal direction (figure in Fig. 1
In Y-direction).Then, input area test section 121 obtains the touch information at each row existing in each row touching and detects quilt
The area's (cell) 11 (step S120) touching.
It is then detected that coordinate figure acquisition unit 122 obtains the position that area's (cell) 11, the reality being touched is touched
Detection coordinates value (magnitude of voltage) (step S130).The acquisition of the coordinate figure (magnitude of voltage) corresponding with touch point is divided into X-direction and Y
Direction this 2 times and carry out.The acquisition of the coordinate figure (magnitude of voltage) for X-direction, such as, in touch panel 111, will touched
The electrode setting of the left side setting of the row that the area's (cell) 11 touched is located is the state of 0V, by the area's (cell) being touched
The electrode setting of the right side setting of the row being located is the state of 5V.And, will arrange under the area's (cell) 11 being touched
Electrode setting be high impedance state, this electrode is connected to AD converter.And, for the line direction of touch panel 111
Two ends between be set as the position that touched in the guiding path of 0-5V, to obtain by the electric resistance partial pressure at this position
Magnitude of voltage be set to detection coordinates value (magnitude of voltage).The acquisition of the coordinate figure (magnitude of voltage) for Y-direction, also with above-mentioned X
The acquisition identical mode of the coordinate figure (magnitude of voltage) in direction is carried out.Then, AD conversion is carried out to coordinate figure (magnitude of voltage), thus
Obtain coordinate figure (AD value).Additionally, for this detection method and detection structure, due to being known, therefore in this explanation
Detailed description is omitted in book.
Here, for example as shown in figure 4, sometimes touching to touch panel 111 at multiple positions as follows, i.e.
In the face direction of this touch panel, multiple area's (cell) 11T are touched simultaneously, and area's (cell) 11T being touched constitutes well
Font (rectangle).In this case, accurate coordinate figure (magnitude of voltage) can not be obtained due to principle described below, be obtained
There is grid deviation in the coordinate figure (AD value) taking.Fig. 4 is to represent that the multiple areas (cell) 11 being touched become the list of groined type
The touch panel schematic diagram of one example of the touch condition of first lattice structure.In the diagram, label T represents the position that reality is touched
Put.
Additionally, in fig. 4, it is seen that be so that area's (cell) 11T of being touched constitutes groined type (rectangle),
Need the touch in 4 points of area's (cell) 11.If however, as shown in figure 5, boundary line 12 in adjacent area's (cell) 11
On carried out 2 touch, the intersection point in area's (cell) 11 after region segmentation has carried out 1 touch, then also become by 4 areas
(cell) 11 is reacted.In this case, the touch of groined type (rectangle) is also set up it is impossible to obtain accurate coordinate figure
(magnitude of voltage), there is grid deviation in acquired coordinate figure (AD value).Fig. 5 is to represent 11 one-tenth of the multiple areas (cell) being touched
Touch panel schematic diagram for an example of the touch condition of the cell structure of groined type.
Even in addition, as shown in fig. 6, sometimes it is seen that 3 points of touch, area's (cell) 11G also serves as mirage
(ghost) reacted, constituted groined type (rectangle).Fig. 6 is to represent that the multiple areas (cell) 11 being touched become well
The touch panel schematic diagram of one example of the touch condition of the cell structure of font.
If touched at multiple positions in the way of constituting groined type (rectangle) in the face direction of touch panel 111
Area's (cell) 11, then due to electrical path dispersion on the face direction of touch panel, therefore can not obtain accurate coordinate figure
(magnitude of voltage).Originally in horizontal (X-direction of in figure) of touch panel 111, constitute from the position being touched by and along touching
1 conductive path that horizontal (X-direction of in figure) of panel 111 extends.In this case, for example as shown in fig. 7, to being touched
It is set with the voltage difference of 5V between the electrode 201 of setting and electrode 202 at the two ends of row that area's (cell) 11T touching is located
In the case of, constitute 1 conductive path L1.Fig. 7 is to represent the situation touching at the simulated touch panel of region segmentation formula at 1 point
The schematic diagram of lower constituted conductive path.Additionally, in the figure 7, electrode 201 and electrode 202 are only in the end edge of 1 row and 1 row
Portion illustrates, but actually can be respectively provided with a pair of electrodes terminal and right at the relative end edge portion of whole row and 1 row
Coordinate is detected.
If however, the face direction of touch panel 111 in the way of constituting groined type (rectangle) at multiple positions pair
Area's (cell) 11 is touched, then in the X direction, for example, constitute as shown in Figure 8 from leading that the position being touched is passed through
This 2 electrical paths of power path L1 and conductive path L2, electrical path disperses, and forms the parallel circuit of electrical path.Fig. 8 is table
Show institute in the case of being touched in the way of constituting groined type (rectangle) at the simulated touch panel of region segmentation formula
The schematic diagram of the conductive path constituting.Therefore, the touch at common 1 point and area's (cell) 11T being touched constitute well
In the touch of font (rectangle), even if touching identical position, obtained from electric resistance partial pressure, magnitude of voltage is also different.By
This, acquired magnitude of voltage (coordinate figure) produces deviation with respect to correct magnitude of voltage (coordinate figure) originally, occurs coordinate inclined
Difference.
In addition, for example as shown in figure 8, at the two ends being arranged at the row that area's (cell) 11T of being touched is located
Electrode 203 and electrode 204 between be set with the acquisition of the coordinate figure (magnitude of voltage) of Y-direction in the case of the voltage difference of 5V,
Similarly also produce grid deviation.
In the case of this dynamic touch of gesture operation, hardly there is area's (cell) the 11T structure being touched by user
Become the situation of groined type (rectangle).In addition, in the case of gesture operation, the track of area's (cell) 11T being touched is
Dynamic track.Therefore, even if the area being touched (cell) 11T moment constitutes groined type (rectangle), but if to being touched
The seriality of the track of coordinate of area's (cell) 11T touched is monitored, then can also ignore.
However, in the case of requiring the coordinate more than or equal to 2 points exactly, such as pressing 2 points etc. in interlocking etc.
In the case of, grid deviation becomes very big problem.For example in FA purposes, the operation of interlocking etc. is extremely safeguarded in conversion
Continually use during picture etc..In addition, in FA purposes, even if not being interlocking, such as making crane action etc. in touch panel
The situation carrying out touch operation more than or equal to 2 points is also more.
Therefore, in the present embodiment, what the pattern detection unit 123 of touch panel processing unit 120 judged to be touched is multiple
Whether area's (cell) 11 constitutes groined type (step S140).For judging multiple areas (cell) 11 of being touched whether structure
The method having become groined type, is shown below.
Fig. 9～Figure 13 is the basic pattern of the groined type representing that present embodiment Zhong You area (cell) 11 is constituted
Figure.The pattern in the area's (cell) 11 shown in Fig. 9～Figure 13 is that exist to obtain accurate coordinate figure (magnitude of voltage)
The pattern of the situation of probability.In Fig. 9～Figure 13, (a) is to represent that at touch panel, multiple areas' (cell) 11 constitute well word
The schematic diagram of the state of shape, (b) is to represent that the basic pattern of the groined type shown in (a) is stored in well word during storage part 140
Shape structured data.As groined type structured data, it is stored with and is constituted groined type base in the case of with the region of upper left as initial point
[beginning column number], [beginning line number], [the end column number] in area's (cell) 11 of this pattern, [end line number].Well
Character form structure data is stored in pattern detection unit 123 in advance.Additionally, groined type structured data is stored in storage part
140.
In Fig. 9～Figure 13, as an example, illustrate touch panel in (X0, Y0) from upper left for the face direction to bottom right
(X9, Y6) till carried out 10 × 7=70 region segmentation example.In the case of the example of Fig. 9, as [starting column
Numbering] and the x_start that is stored with：X2, the y_start that is stored with as [beginning line number]：Y1, as [end column number]
And the x_end that is stored with：X6, the y_end that is stored with as [end line number]：Y3, these data are with corresponding area (unit
Lattice) 11 numbering and store.In addition, in (b) of Fig. 9～Figure 13, by the groined type structure number of said one basic pattern
According to, for each basic pattern in [] mark identiflication number and be managed in the form of [identiflication number].
In fig. 9, it shows the basic pattern of a kind of groined type.In fig. 10, it is illustrated that the base of different from Fig. 9 a kind of groined type
This pattern.In fig. 11, the basic pattern of 3 kinds of groined types of the basic pattern comprising Figure 10 is shown.In fig. 12, illustrate
Comprise the basic pattern of 5 kinds of groined types of the basic pattern of Figure 10 and Figure 11.In fig. 13, illustrate to comprise Figure 11 and
The basic pattern of Figure 12 is in the basic pattern of 3 kinds of interior groined types.The basic pattern of groined type is substantially shown in Fig. 9～Figure 13
Pattern, is changed such that it is able to be collected the figure of groined type by the interval between these patterns Zhong Dui area (cell) 11
Case.
Therefore, the pattern detection unit 123 of touch panel processing unit 120 will detect the area being touched in the step s 120
The information of pattern of (cell) 11T and be stored in pattern detection unit 123 the basic pattern of all of groined type information,
Identiflication number for each [] is all compared.Additionally, for example, for the pattern shown in Figure 11 and the figure shown in Figure 12
Case, is consistent till the identiflication number [2] of midway, but is finally judged as different groined type (rectangle) patterns.
Here, in the case that the multiple areas (cell) 11 being touched constitute groined type (step S140, Yes), for
The detection coordinates value (magnitude of voltage) getting in step s 130 is corrected (step S150), enters step S160.Detection is sat
The bearing calibration of scale value (magnitude of voltage) is described below.
On the other hand, in the case that the multiple areas (cell) 11 being touched do not constitute groined type (step S140, No),
The detection coordinates value (magnitude of voltage) being not for getting in step s 130 is corrected, and is directly entered step S160.
Then, check portion 129 is directed to be corrected in step S150 or uncorrected (step S140, No) detection
Coordinate figure (magnitude of voltage) carries out AD conversion, and then the properness of coordinate figure are tested with (step S160).Namely it is decided that it is obtained
Coordinate figure (AD value) be whether the coordinate figure (AD value) that script should exist in the area's (cell) having made reaction.
If it is determined that result be, obtained coordinate figure (AD value) be made reaction area's (cell) in script
The coordinate figure (AD value) (step S160, Yes) that should exist, then check portion 129 carry out the coordinate figure (AD near boundary line 12
Value) rounding treatment (step S170).Nearby carry out touching due to the boundary line 12 if in adjacent area's (cell) 11,
And touch and span boundary line 12, even then 1 point of touch, also it is greater than or equal to 2 areas's (cell) and is reacted, because
This coordinate figure (AD value) also can obtain more than or equal to 2 values.However, because actual touch is at 1 point, if therefore boundary line
Coordinate figure (AD value) near 12 is approximate, then enter and be rounded to 1 seat more than or equal to 2 coordinate figures (AD value) obtained by being about to
The rounding treatment of scale value (AD value).Thus, make the quantity one of the touch point quantity and obtained coordinate figure (AD value) being touched
Cause, obtain the coordinate figure (AD value) at touch panel, terminate a series of coordinate measurement and process.
Additionally, carrying out the coordinate figure after rounding treatment (AD value) to be sent to main process task portion 130.Main process task portion 130 is based on
Execute the soft-touch control function of regulation from the coordinate figure (AD value) of touch panel processing unit 120 transmission.
On the other hand if it is decided that result is, obtained coordinate figure (AD value) is not in the area's (unit having made reaction
Lattice) interior coordinate figure (AD value) value (step S160, No) that originally should exist, then this AD value is considered as noise, check portion 129 is entered
It is about to the process (step S180) that coordinate figure (AD value) removes, a series of coordinate measurement process terminates.
Below, the bearing calibration to detection coordinates value (AD value) illustrates.Figure 14 is to represent of the present embodiment
The flow chart of the flow process to the bearing calibration that detection coordinates value (magnitude of voltage) is corrected of simulated touch face equipment 1.
Touch panel after region segmentation can be thought of as being that uniform resistive film is divided into clathrate.Therefore, it can recognize
For with regard to the resistance value of each area (cell) 11, in longitudinal direction and transversely there is identical in each area (cell) 11 respectively
Resistance value, touch panel is the aggregation in area's (cell) 11 as shown in figure 15.
Figure 15 is the schematic diagram of the configuration of the resistance of touch panel representing region segmentation formula of the present embodiment.As
Shown in Figure 15, in the face direction of touch panel, each area's (cell) 11 is formed as rectangular with same shape.Therefore, each area is (single
First lattice) 11 resistance value of horizontal (X-direction) is respectively identical fixed value, in addition, longitudinally the resistance value of (Y-direction) is respectively
Identical fixed value, above-mentioned value is previously stored in resistance value storage part 124.In addition, this resistance value is stored in storing
Portion 140.Additionally, in fig. 15 it is shown that area (cell) 11 be shaped as OBL situation, in area (cell) 11
It is shaped as also identical in the case of square shape.
Even if in addition, in the case that the resistance value of each area (cell) 11 is not previously stored, according to horizontal (X-direction)
Or the longitudinally area of the resistance value of touch panel in the resistance value of (Y-direction) and horizontal (X-direction) or longitudinal (Y-direction)
The quantity of (cell) 11 is it is also possible to calculate the resistance of horizontal (X-direction) and longitudinal (Y-direction) in each area (cell) 11
Value.
Resistance configuration in the case that area's (cell) 11T being touched constitutes groined type (rectangle) for example becomes as figure
Shape shown in 16.Figure 16 be represent area's (cell) of being touched constitute groined type (rectangle) in the case of the joining of resistance
The schematic diagram put.Therefore, in horizontal (X-direction), also as shown in Figure 8, between the depressed position of touch panel, touched
Area's (cell) 11T between electrical path dispersion, become parallel circuit.Thus, acquired coordinate figure (magnitude of voltage) meeting
Become the value that there is deviation with respect to actual value.
Here, in above-mentioned step S120, detect area's (cell) 11T being touched.Figure 17 is to represent to be touched
Area's (cell) 11T constitute groined type (rectangle) an example of situation schematic diagram.For example in fig. 17, in reality
Touch touch location 301, touch location 302, touch location 303, in the case of touch location 304, detect these touches
Area's (cell) 11T that position is touched.Therefore, it is possible to determine area's (cell) 11T constituting groined type (rectangle), thus
(step S210) is determined to area's (cell) 11T constituting groined type (rectangle).
Can determine area's (cell) 11T being touched, thus as shown in figure 17, constitute being touched of groined type (rectangle)
Beeline portion between area's (cell) 11T touching for example can be determined by computing by detection coordinates acquisition unit 122 automatically
Fixed.For example, in fig. 17, in horizontal (X-direction), include touch location 301 the corner 311 of the 1st Petting Area (cell) and
Become beeline portion between the corner 312 of the 2nd Petting Area (cell) including touch location 302.
In addition, area's (cell) 11T of being touched constitute groined type (rectangle) in the case of, i.e. as shown in Figure 16
Electrical path become parallel circuit in the case of the corner 311 of the 1st Petting Area (cell) and the 2nd Petting Area (cell)
The coordinate figure (magnitude of voltage) in corner 312 can be calculated in the following manner, i.e. (single according to the area being stored in storage part 140
First lattice) 11 horizontal (X-direction) and the resistance value of longitudinal direction (Y-direction) and the area's (unit being touched constituting groined type pattern
Lattice) information of position of 11T and calculated.
That is, the groined type that the multiple areas (cell) 11 having carried out touch input operation are constituted by pattern detection unit 123
Pattern and set groined type pattern be compared and implement to judge.Then, coordinates computed value calculating part 125 be based on by scheming
The corresponding resistance value in each area of groined type pattern that case detection unit 123 determines and constituting is determined by pattern detection unit 123
The position in area's (cell) 11 of groined type pattern information, the corner the 311 and the 2nd of the 1st Petting Area (cell) is touched
Coordinate figure (magnitude of voltage) the i.e. coordinates computed value touching the corner 312 in area's (cell) is calculated.Because electrical path becomes simultaneously
Connection circuit, so coordinates computed value here is not accurate coordinate figure (magnitude of voltage), but creates the coordinate figure (electricity of deviation
Pressure value).Coordinates computed value calculating part 125 is by the 1st Petting Area of the groined type obtained by calculating Petting Area (cell) 11T
The coordinate figure (magnitude of voltage) in the corner 312 of the corner 311 of (cell) and the 2nd Petting Area (cell) is as coordinates computed value
(magnitude of voltage) and store to storage part 140 (step S220).
On the other hand, as shown in figure 18, area's (cell) 11T being touched is not constituted to the feelings of groined type (rectangle)
Including the corner 311 of the 1st Petting Area (cell) of touch location 301 and including the 2nd touch of touch location 302 under condition
The coordinate figure (magnitude of voltage) in the corner 312 in area's (cell) is it is also possible to be calculated in the same manner.That is, (single for the area being touched
First lattice) 11T do not constitute groined type (rectangle) in the case of the corner 311 of the 1st Petting Area (cell) and the 2nd Petting Area
The coordinate figure (magnitude of voltage) in the corner 312 of (cell) is it is also possible to based on each area (cell) 11 being stored in storage part 140
The laterally resistance value of (X-direction) and the longitudinally resistance value of (Y-direction) and constitute the well word being determined by pattern detection unit 123
The information of position in area's (cell) 11 of shape pattern and calculated.Figure 18 is to represent area's (cell) 11T being touched not
Constitute the schematic diagram of an example of situation of groined type (rectangle).
Obtained by calculating in the case of groined type (rectangle) not constituted in area's (cell) 11T being touched
The corner 311 of 1st Petting Area (cell) corresponding with above-mentioned coordinates computed value (magnitude of voltage) and the 2nd Petting Area are (single
First lattice) corner 312 coordinate figure (magnitude of voltage), store to storage part 140 (step as reference coordinate value (magnitude of voltage)
S230).Additionally, above-mentioned value with the case that area's (cell) 11T being touched does not constitute groined type (rectangle) actually
The seat that can obtain during the corner 312 touching the corner 311 of the 1st Petting Area (cell) and the 2nd Petting Area (cell)
Scale value (magnitude of voltage) is identical value.
Then, the coordinate value difference to coordinates computed value (magnitude of voltage) and detection coordinates value (magnitude of voltage) for the mathematic interpolation portion 126
Value is calculated (step S240).This coordinate figure difference become for following reference coordinate value (magnitude of voltage) is corrected near
Like value.Mathematic interpolation portion 126 sits to the detection getting at actual touch location 301 during the touch of groined type (rectangle)
Difference between corner 311 coordinate figure (magnitude of voltage) the i.e. coordinates computed value of scale value (magnitude of voltage) and the 1st Petting Area (cell)
(the 1st Petting Area difference) is calculated, and stores to storage part 140.In addition, mathematic interpolation portion 126 is to groined type (rectangle)
The detection coordinates value (magnitude of voltage) getting at actual touch location 302 during touch and the angle of the 2nd Petting Area (cell)
Difference (the 2nd Petting Area difference) between portion 312 coordinate figure (magnitude of voltage) i.e. coordinates computed value is calculated, and stores to storage part
140.
Calculating in the step S230, corner 311 of the 1st Petting Area (cell) and the 2nd Petting Area (cell)
Corner 312 coordinate figure (magnitude of voltage) i.e. reference coordinate value (magnitude of voltage) be constitute groined type (rectangle) Petting Area
The minimum situation of departure and the coordinate of script between in (cell) 11T.Therefore, the above-mentioned coordinate value difference as approximation
Value value bigger it is meant that the departure in Petting Area (cell) 11T is bigger.
Then, calibration coordinate value calculating part 128 is carried out to reference coordinate value based on the coordinate figure difference as approximation
Correction, calculates calibration coordinate value and stores to storage part 140 (step S250).The corner 311 of the 1st Petting Area (cell)
Coordinate figure (magnitude of voltage) i.e. reference coordinate value (magnitude of voltage) is the right side of the 1st Petting Area (cell) 11T including touch location 301
The coordinate figure (magnitude of voltage) at end.With this coordinate figure (magnitude of voltage) as starting point, the value of the 1st above-mentioned Petting Area difference is bigger, then get over
Coordinate figure (magnitude of voltage) i.e. from the corner 311 of the 1st Petting Area (cell) reference coordinate value (magnitude of voltage) is to the 1st Petting Area
Left side in (cell) 11T is moved, and thus obtains the calibration coordinate value of touch location 301.
Similarly, coordinate figure (magnitude of voltage) i.e. reference coordinate value (magnitude of voltage) in the corner 312 of the 2nd Petting Area (cell)
It is the coordinate figure (magnitude of voltage) of the left end of the 2nd Petting Area (cell) 11T including touch location 302.With this coordinate figure (voltage
Value) it is starting point, the value of the 2nd above-mentioned Petting Area difference is bigger, then get over the coordinate from the corner 312 of the 2nd Petting Area (cell)
Value (magnitude of voltage) i.e. reference coordinate value (magnitude of voltage) moves to the left side in the 2nd Petting Area (cell) 11T, thus obtains and touches
The calibration coordinate value of position 302.And, the adjusting pin pair of the detection coordinates value (magnitude of voltage) being carried out by above-mentioned bearing calibration
Longitudinal direction and laterally this both direction are carried out.
Then, this calibration coordinate value is notified to main process task portion 130, even if thus in the area's (cell) being touched
It is also possible to obtain touch location 301, this 2 points accurate of touch location 302 in the case that 11T constitutes groined type (rectangle)
Coordinate.In addition, can be by carrying out identical process, thus obtaining touch location 303, this 2 points accurate of touch location 304
Coordinate figure (AD value).
In addition, an example as the acquisition methods of calibration coordinate value is it is also possible to as shown in Figure 19, area is (single
First lattice) 11 further region segmentation be zonule.Figure 19 is to represent to be split further in area (cell) 11 and obtain
The schematic diagram of one example of the situation of calibration coordinate value.For example, by the X-direction of area (cell) 11 using the seat as approximation
Scale value difference is the scope of 0～m, the mode of the scope of m～n, the scope of n～p, the scope of p～q, scope of q～r etc. is split
For zonule.In this case, judge which of the area's (cell) 11 after segmentation be the value of above-mentioned coordinate figure difference be assigned to
Individual zonule.Then it is also possible to using the coordinate figure (magnitude of voltage) of the zonule determining as calibration coordinate value.That is, correction is sat
Scale value calculating part 128, when being corrected to reference coordinate value (magnitude of voltage) based on coordinate figure difference, judges to split further
With the corresponding zonule of calibration coordinate value based on coordinate figure difference in multiple zonules that each area's (cell) 11 obtains.So
Afterwards, calibration coordinate value calculating part 128 can also be by the coordinate assignment of this zonule to calibration coordinate value.In Figure 19, illustrate to make
For approximation coordinate figure difference be in n～p scope situation.
And, also implement identical with the acquisition methods of horizontal calibration coordinate value in the acquisition of longitudinal calibration coordinate value
Process, thus, it is possible to obtain calibration coordinate value together with the coordinate figure of horizontal coordinate figure and longitudinal direction, accurately sat
Scale value.
As noted above, in the present embodiment, multiple areas (cell) the composition groined type being touched at the same time is (rectangular
Shape) in the case of, it is groined type (rectangle) this situation by touch panel processing unit 120 to the touch shape of area (cell)
It is identified.Thus, due to because the touch shape of area (cell) constitute groined type (rectangle) and in the coordinate getting
The grid deviation producing is corrected, and therefore, it is possible to the coordinate for constitute groined type (rectangle) 2 points, output is correct to sit
Mark.
In addition, in the present embodiment, the multiple areas (cell) being touched at the same time constitute groined type (rectangle)
In the case of, by touch panel processing unit 120, the touch shape of area (cell) is carried out for groined type (rectangle) this situation
Identification.Thus, due to producing in the coordinate getting to because the touch shape of area (cell) constitutes groined type (rectangle)
Grid deviation be corrected, 2 points of coordinate figure after therefore correcting becomes the value in the area's (cell) being touched.
In addition, in the present embodiment, can be to because of the touch shape of area (cell) composition groined type (rectangle)
The grid deviation producing in the coordinate getting is corrected, exports to main process task portion 120.Thus, need not be in main process task portion 120
The middle refusal process implemented for the input coordinate getting, prevents unnecessary process.
Therefore, according to present embodiment, following effects are realized, i.e. even if the touch input operation on picture becomes well
It is also possible to be directed to the coordinate of constitute groined type (rectangle) 2 points in the case of font (rectangle), obtain and accurately touch seat
Mark.
Industrial applicibility
As previously discussed, simulated touch face equipment according to the present invention is in the case that the touch on picture is groined type
It is useful.
The explanation of label
1 simulated touch face equipment, 11st area (cell), area's (cell) that 11T is touched, 12 boundary lines, 110 operations
Panel part, 111 touch panels, 112 display parts, 120 touch panel processing units, 121 input area test sections, 122 detection coordinates values
Acquisition unit, 123 pattern detection units, 124 resistance value storage parts, 125 coordinates computed value calculating parts, 126 mathematic interpolation portions, 127 bases
Quasi coordinates value calculating part, 128 calibration coordinate value calculating parts, 129 check portion, 130 main process task portions, 140 storage parts, 150 control units,
201st, 202,203,204 electrode, 301,302,303,304 touch locations, the corner of 311 the 1st Petting Areas (cell), 312 the 2nd
The corner of Petting Area (cell), L1, L2 conductive path.
Claims (4)
1. a kind of simulated touch face equipment it is characterised in that
There is simulated touch panel, this simulated touch panel has the outer shape of quadrangle form in face direction, and in institute
Stating on the direction of 2 opposite side of quadrangle form is impartial, quadrangle form multiple areas by region segmentation respectively,
Described simulated touch panel is configured to, make to be respectively arranged with relative end edge portion the resistive film of a pair of electrodes terminal with
The orthogonal mode of described electrode terminal is overlapping up and down, pressed resistance face by touch input operation, using because at this moment
Electric resistance partial pressure that the contact of upper and lower described resistive film produces and detection coordinates,
Described simulated touch face equipment has：
Input area test section, it is examined to the position in the described area having carried out touch input operation at described simulated touch panel
Survey；
Detection coordinates value acquisition unit, it obtains the coordinate figure of the position having carried out described touch input operation is detection coordinates value；
Pattern detection unit, the pattern of its groined type that multiple described area having carried out described touch input operation is constituted with both
Fixed groined type pattern is compared and implements to judge；
Coordinates computed value calculating part, it is based on each area corresponding with the groined type pattern being determined by described pattern detection unit
Resistance value and constitute the information of the position in the described area of groined type pattern being determined by described pattern detection unit, to constitute by
Adjacent on the direction on the pair of side 2 institutes among multiple areas of the pattern of groined type that described pattern detection unit determines
The coordinate figure stating the corner in area is that coordinates computed value is calculated；
Mathematic interpolation portion, it is directed to the area having carried out described touch input operation, and described detection coordinates value is sat with described calculating
The coordinate figure difference of scale value is calculated；
Reference coordinate value calculating part, the electricity in its each area in the case that pattern of groined type is not constituted based on the plurality of described area
Resistance and the information constituting the position in the described area of groined type pattern being determined by described pattern detection unit, to the plurality of
Described area do not constitute the pattern of groined type in the case of the described 2 described areas corresponding with described coordinates computed value corner
Coordinate figure be that reference coordinate value is calculated；And
Calibration coordinate value calculating part, it is sat to being corrected the correction that described reference coordinate is worth to based on described coordinate figure difference
Scale value is calculated.
2. simulated touch face equipment according to claim 1 it is characterised in that
The resistance value in each area in the case that the plurality of area is constituted the pattern of groined type is directed to the figure of the plurality of groined type
Case each and pre-save.
3. simulated touch face equipment according to claim 1 and 2 it is characterised in that
The resistance value in the described each area in the case that the plurality of described area is not constituted the pattern of groined type pre-saves.
4. simulated touch face equipment according to any one of claim 1 to 3 it is characterised in that
Described calibration coordinate value calculating part, when being corrected to described reference coordinate value based on described coordinate figure difference, is distributed
Each area is split further corresponding with the calibration coordinate based on described coordinate figure difference described little in the multiple zonules obtaining
The coordinate in region.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2014/062619 WO2015173867A1 (en) | 2014-05-12 | 2014-05-12 | Analog touch panel device |
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| JP (1) | JP6095854B2 (en) |
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|---|---|---|---|---|
| CN110162208A (en) * | 2018-02-14 | 2019-08-23 | 李尚礼 | The bearing calibration of the measurement threshold value of capacitive sensing device and capacitive sensing device |
| CN111587416A (en) * | 2018-01-19 | 2020-08-25 | 罗姆股份有限公司 | Control circuit of resistive film type touch panel, and touch input device |
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| CN101149659A (en) * | 2006-09-20 | 2008-03-26 | 凌阳科技股份有限公司 | Touch control input device, touch positioning device and its method |
| US20110148808A1 (en) * | 2009-12-18 | 2011-06-23 | Fujitsu Component Limited | Touch panel and coordinate detection method in touch panel |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106462311B (en) | 2019-04-05 |
| JP6095854B2 (en) | 2017-03-15 |
| JPWO2015173867A1 (en) | 2017-04-20 |
| WO2015173867A1 (en) | 2015-11-19 |
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