WO2014192801A1 - 表示入力装置、情報処理装置、タッチパネル装置 - Google Patents
表示入力装置、情報処理装置、タッチパネル装置 Download PDFInfo
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- WO2014192801A1 WO2014192801A1 PCT/JP2014/064096 JP2014064096W WO2014192801A1 WO 2014192801 A1 WO2014192801 A1 WO 2014192801A1 JP 2014064096 W JP2014064096 W JP 2014064096W WO 2014192801 A1 WO2014192801 A1 WO 2014192801A1
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- touch panel
- piezoelectric elements
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- input device
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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
- G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
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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
- G06F2203/01—Indexing scheme relating to G06F3/01
- G06F2203/014—Force feedback applied to GUI
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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
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/0035—User-machine interface; Control console
- H04N1/00405—Output means
- H04N1/00408—Display of information to the user, e.g. menus
- H04N1/00411—Display of information to the user, e.g. menus the display also being used for user input, e.g. touch screen
Definitions
- the present invention relates to a display input device having a touch panel, a touch panel device, and an information processing device.
- a display input device having a display unit on which touch keys corresponding to various operation contents are displayed and a touch panel provided on the display unit for detecting the position of a touch operation by a user is known.
- This type of display input device is used as a user interface of an information processing device such as a copying machine, a facsimile device, a scanner device, a multifunction device, a personal computer, and a tablet terminal.
- An object of the present invention is to provide a display input device capable of suppressing reduction of vibration due to interference with a simple configuration in a configuration in which a touch panel is vibrated using a plurality of piezoelectric elements, an information processing apparatus including the same, and a touch panel device Is to provide.
- a display input device includes a display unit, a touch panel, a plurality of piezoelectric elements, and a drive unit.
- the touch panel is provided on the upper surface of the display unit and detects a position of a touch operation.
- the plurality of piezoelectric elements are arranged separately on the front surface and the back surface of the touch panel.
- the driving unit drives the piezoelectric element according to a touch operation on the touch panel to vibrate the touch panel.
- An information processing apparatus includes the display input device.
- a touch panel device includes a display unit, a plurality of elastic members, a touch panel, and a plurality of piezoelectric elements.
- the display unit displays a screen.
- Each of the elastic members is provided on the upper surface of the display unit.
- the touch panel is fixed to the upper surfaces of the plurality of elastic members.
- the piezoelectric element vibrates the touch panel.
- the upper surfaces of the plurality of elastic members are set to a plurality of heights of two or more stages, and the touch panel is fixed in a curved state.
- a display input device that can suppress reduction of vibration due to interference with a simple configuration, an information processing apparatus including the display input device, and a touch panel device Is realized.
- FIG. 1A is a schematic diagram showing a configuration of an information processing apparatus according to an embodiment of the present invention.
- FIG. 1B is a schematic diagram showing the configuration of the information processing apparatus according to the embodiment of the present invention.
- FIG. 2 is a block diagram showing a hardware configuration of the information processing apparatus according to the embodiment of the present invention.
- FIG. 3 is a plan view of the display input device according to the embodiment of the present invention.
- FIG. 4A is a diagram showing a configuration of the touch panel according to the embodiment of the present invention.
- FIG. 4B is a diagram showing a configuration of the touch panel according to the embodiment of the present invention.
- FIG. 5 is a diagram illustrating an example of the relationship between the vibration amount and the position in the display input device according to the embodiment of the present invention.
- FIG. 6 is a diagram illustrating an example of the relationship between the vibration amount and the position in another arrangement example of the piezoelectric element.
- FIG. 7 is a perspective view showing a configuration example of an image forming apparatus in which the embodiment of the touch panel device according to the present invention is mounted.
- FIG. 8 is a plan view illustrating a configuration example of the touch panel device illustrated in FIG. 7.
- 9 is a cross-sectional view taken along the line IX-IX shown in FIG.
- FIG. 10 is a block diagram showing an internal configuration of the image forming apparatus shown in FIG.
- FIGS. 1 and 2 are schematic front views showing the configuration of the multifunction machine 10
- FIG. 1B is a view taken along the line BB in FIG. 1A.
- the multifunction machine 10 includes an ADF 1, an image reading unit 2, an image forming unit 3, a paper feeding unit 4, a main control unit 5, a display input device 6, and a communication I / F 7.
- An image forming apparatus provided.
- the multifunction machine 10 is an example of an information processing apparatus according to the present invention.
- the present invention is also applicable to information processing apparatuses such as printers, facsimiles, copiers, personal computers, tablet terminals, smartphones, and mobile phones.
- the ADF 1 is an automatic document feeder including a document setting unit 11, a plurality of conveyance rollers 12, a document pressing unit 13, and a paper discharge unit 14.
- each of the transport rollers 12 is driven by a motor (not shown), so that the document placed on the document setting unit 11 is the image data reading position by the image reading unit 2.
- the paper passes through the lower surface of the document presser 13 and is conveyed to the paper discharge unit 14.
- the image reading unit 2 can read image data from a document conveyed by the ADF 1.
- the image reading unit 2 includes a document table 21, a reading unit 22, mirrors 23 and 24, an optical lens 25, and a CCD (Charge Coupled Device) 26.
- the document table 21 is a document placement unit provided on the upper surface of the image reading unit 2.
- the reading unit 22 includes an LED light source 221 and a mirror 222, and is movable in a sub-scanning direction (left and right direction in FIG. 1) by a motor (not shown).
- the LED light source 221 includes a large number of white LEDs arranged along the main scanning direction (the depth direction in FIG. 1).
- the mirror 222 reflects the light emitted from the LED light source 221 and reflected by the surface of the document at the reading position on the document table 21 toward the mirror 23.
- the light reflected by the mirror 222 is guided to the optical lens 25 by the mirrors 23 and 24.
- the optical lens 25 collects incident light and makes it incident on the CCD 26.
- the CCD 26 includes a photoelectric conversion element that inputs an electrical signal corresponding to the amount of light received from the optical lens 25 to the main control unit 5 as document image data.
- the image forming unit 3 performs an image forming process (printing process) based on image data read by the image reading unit 2 or image data input from an information processing apparatus such as an external personal computer.
- the image forming unit includes a photosensitive drum 31, a charging device 32, an exposure device (LSU) 33, a developing device 34, a transfer roller 35, a cleaning device 36, a fixing roller 37, A pressure roller 38 and a paper discharge tray 39 are provided.
- LSU exposure device
- a developing device 34 a transfer roller 35
- a cleaning device 36 a fixing roller 37
- a pressure roller 38 and a paper discharge tray 39 are provided.
- an image is formed on the paper supplied from the paper feed cassette 41 that can be attached to and detached from the paper feed unit 4 according to the following procedure, and the paper after the image formation is discharged to the paper discharge tray 39. Is done.
- the photosensitive drum 31 is uniformly charged to a predetermined potential by the charging device 32.
- the exposure device 33 irradiates the surface of the photosensitive drum 31 with light based on image data.
- an electrostatic latent image corresponding to the image data is formed on the surface of the photosensitive drum 31.
- the electrostatic latent image on the photosensitive drum 31 is developed (visualized) as a toner image by the developing device 34.
- the developing device 34 is supplied with toner (developer) from a toner container 34 ⁇ / b> A that can be attached to and detached from the image forming unit 3.
- the toner image formed on the photosensitive drum 31 is transferred onto a sheet by the transfer roller 35.
- the toner image transferred to the sheet is heated and fixed by the fixing roller 37 when the sheet passes between the fixing roller 37 and the pressure roller 38.
- the toner remaining on the surface of the photosensitive drum 31 is removed by the cleaning device 36.
- the main control unit 5 includes a CPU 51, a ROM 52, and a RAM 53 as shown in FIG.
- the CPU 51 is a processor that executes various arithmetic processes.
- the ROM 52 is a non-volatile storage unit in which information such as a control program for causing the CPU 51 to execute various processes is stored in advance.
- the RAM 53 is a volatile storage unit, and is used as a temporary storage memory (working area) for various processes executed by the CPU 51.
- the communication I / F 7 is an interface for executing data communication with an external apparatus connected to the multifunction machine 10 via a communication network such as the Internet or a LAN.
- FIGS. 4A is a plan view of the touch panel 63 of the display input device 6, and FIG. 4B is a left side view of the touch panel 63 of the display input device 6.
- the display input device 6 includes a display control unit 61, a display unit 62, a touch panel 63, a drive unit 64, a plurality of piezoelectric elements 651 to 656, and hard keys 66.
- the hard key 66 includes various operation buttons such as a numeric keypad and a start key, and inputs an operation signal of the operation button to the display control unit 61.
- the display control unit 61 includes a CPU 611, a ROM 612, and a RAM 613, and the CPU 611 executes an operation of the display input device 6 by executing a predetermined control program stored in the ROM 612. Control.
- the RAM 613 is a volatile storage unit, and is used as a temporary storage memory for various processes executed by the CPU 611.
- the display control unit 61 may be an electric circuit such as an ASIC or a DSP. Further, it is conceivable as another embodiment that the main control unit 5 also functions as the display control unit 61.
- the display control unit 61 causes the display unit 62 to display various types of information in accordance with control instructions from the main control unit 5.
- the display unit 62 is, for example, a liquid crystal display panel or an organic EL display, and displays various information by being controlled by the display control unit 61.
- the display unit 62 displays various information such as touch keys and setting screens corresponding to various operation contents.
- the display control unit 61 inputs various information to the main control unit 5 in accordance with a touch operation of the touch panel 63 and an operation of the hard key 66 by a user.
- the touch panel 63 is provided so as to overlap the upper surface of the display unit 62.
- the touch panel 63 has an outer diameter larger than that of the display unit 62.
- the outer diameter of the touch panel 63 is 240 mm in the horizontal dimension d1 and 149 mm in the vertical dimension d2.
- a region R1 illustrated in FIG. 4A is a region where the touch panel 63 is exposed in the display input device 6.
- the external region of the region R1 is covered with a housing of the display input device 6 so as not to be seen by a user who operates the display input device 6.
- the touch panel 63 detects the position of the touch operation by the user and inputs the detected position to the display control unit 61. Thereby, the display control unit 61 can input information preset as operation contents corresponding to the position of the touch operation on the current display screen of the display unit 62 to the main control unit 5. .
- the touch panel 63 is, for example, a capacitive touch panel that detects an operation position by a change in capacitance, or a resistive touch panel that detects an operation position by a change in resistance.
- the driving unit 64 When the driving unit 64 detects a user's touch operation on the touch panel 63, the driving unit 64 applies the driving signal having a predetermined voltage waveform to each of the piezoelectric elements 651 to 656, thereby causing the piezoelectric elements 651 to 656 to move. Vibrate. More specifically, the drive unit 64 can simultaneously input the drive signals having the same voltage waveform to each of the piezoelectric elements 651 to 656.
- Each of the piezoelectric elements 651 to 656 is configured by sandwiching a piezoelectric ceramic piezoelectric material such as PZT (lead zirconate titanate) between a pair of electrodes.
- Each of the piezoelectric elements 651 to 656 generates vibration by being displaced in accordance with the drive signal applied from the drive unit 64.
- the voltage waveform of the drive signal is, for example, a sine wave, a rectangular wave, a triangular wave, or a sawtooth wave.
- each of the piezoelectric elements 651 to 656 is driven and vibrated, so that vibration is transmitted from each of the piezoelectric elements 651 to 656 to the touch panel 63. Vibration is transmitted to the user. Therefore, the user can obtain a sense of operation by the vibration of the touch panel 63 when operating the touch panel 63.
- the three piezoelectric elements 651 to 653 are arranged at predetermined intervals in the longitudinal direction of the touch panel 63 at the upper end (one end in the short direction) of the touch panel 63. Yes. Specifically, the dimension d3 in the longitudinal direction of each of the piezoelectric elements 651 to 653 is 40 mm. Further, the distance d4 from the left end of the touch panel 63 of the piezoelectric element 651 and the distance d4 from the right end of the touch panel 63 of the piezoelectric element 653 are 20 mm. Further, the arrangement interval d5 of the piezoelectric elements 651 to 653 is 40 mm.
- the three piezoelectric elements 654 to 656 are arranged at predetermined intervals in the longitudinal direction of the touch panel 63 at the lower end (one end in the short direction) of the touch panel 63.
- each of the piezoelectric elements 651 to 656 is arranged in an external region of the region R1 so as not to be visible to the user.
- the piezoelectric elements 651 to 653 and the piezoelectric elements 654 to 656 are arranged so as to face each other in the short direction of the touch panel 63.
- the three piezoelectric elements 651 to 653 and the three piezoelectric elements 654 to 656 are arranged in the longitudinal direction of the touch panel 63, but the number of piezoelectric elements is not limited to this. That is, when the display input device 6 is provided with a plurality of piezoelectric elements, even if the same drive signal is applied to each of the piezoelectric elements, the surface of the touch panel 63 and the touch panel 63 are not reduced. What is necessary is just to arrange
- a configuration in which the piezoelectric elements 651 to 656 are arranged on the front and back surfaces of the touch panel 63 and different drive signals are applied to the piezoelectric elements 651 to 656 is also conceivable as another embodiment.
- the piezoelectric elements 651 to 653 are arranged separately on the front surface and the back surface of the touch panel 63. Specifically, the piezoelectric elements 651 and 653 at both ends of the piezoelectric elements 651 to 653 are disposed in contact with the back surface of the touch panel 63. On the other hand, in the display input device 6, the central piezoelectric element 652 among the piezoelectric elements 651 to 653 is disposed in contact with the surface of the touch panel 63.
- the piezoelectric elements 654 to 656 are disposed in contact with the back surface of the touch panel 63.
- the piezoelectric element 655 at the center of the piezoelectric elements 654 to 656 is disposed in contact with the surface of the touch panel 63.
- the piezoelectric elements 651, 653, 654, and 656 are disposed in contact with the surface of the touch panel 63, and the piezoelectric elements 652 and 655 are disposed in contact with the back surface of the touch panel 63. It is also possible that That is, it is only necessary that the central piezoelectric element and the left and right piezoelectric elements of the piezoelectric elements 651 to 656 disposed in contact with the touch panel 63 are separately disposed on the front surface and the back surface.
- the touch panel 63 vibrates due to the vibration of the piezoelectric elements 651 to 656. .
- vibration is transmitted to the surface of the touch panel 63 by the piezoelectric element 652 and the piezoelectric element 655, and vibration is transmitted to the back surface of the touch panel 63 by the piezoelectric elements 651, 653, 654, and 656.
- the touch panel 63 is vibrated in an opposite phase by the piezoelectric elements 651 and 653 and the piezoelectric element 652.
- the piezoelectric elements 654 and 656 and the piezoelectric element 655 impart antiphase vibrations to the touch panel 63.
- the display input device 6 can give the user a sense of operation when operating the touch panel 63 of the touch panel 63.
- the drive unit 64 may apply the same drive signal to each of the piezoelectric elements 651 to 656 at the same time. Accordingly, the display input device 6 can be realized with a simple configuration because it is not necessary to apply drive signals having different phases or frequencies to each of the piezoelectric elements 651 to 656.
- FIG. 5 is a diagram showing the relationship between the position in the longitudinal direction on the touch panel 63 and the strength of vibration when the same drive signal is simultaneously applied to the piezoelectric elements 651 to 656 in the display input device 6. It is. As shown in FIG. 5, in the touch panel 63, not only the left and right end portions but also the central portion vibrate, and it can be seen that the touch panel 63 as a whole gives the user a sense of operation.
- FIG. 6 shows a case where the drive signals are simultaneously applied to the piezoelectric elements 651 to 656 when all of the piezoelectric elements 651 to 656 are arranged on the same surface (front surface or back surface) of the touch panel 63. It is a figure which shows the relationship between the position in the longitudinal direction on the said touch panel 63, and the strength of a vibration. As shown in FIG. 6, in the touch panel 63, the vibration of the central portion is reduced by the interference of vibrations generated by the piezoelectric element 651 (654) and the piezoelectric element 653 (656) and the piezoelectric element 652 (655). It can be seen that the sense of operation given to the user is small.
- the image forming apparatus 100 on which the touch panel device 300 according to the present embodiment is mounted is a copying machine, and includes a document reading unit 120, a document feeding unit 130, and a recording unit 140, as shown in FIG. .
- the document reading unit 120 is disposed above the recording unit 140
- the document feeding unit 130 is disposed above the document reading unit 120.
- the image forming apparatus 100 of the present case will be described using a copying machine, but includes a scanner, a multifunction machine, and the like.
- a touch panel device 300 for setting and operating the image forming apparatus 100 is disposed on the front side of the image forming apparatus 100. 8 and 9, the touch panel device 300 is provided on a display unit 301 that displays various operation keys that accept operation inputs and a display surface of the display unit 301, and is touched by pressing an operator's fingertip, stylus, or the like.
- the touch panel 302 includes a touch panel 302 that receives an operation to an operation key displayed on the display unit 301 by detecting an input and outputting a signal corresponding to a position where the touch input is detected.
- the display unit 301 and the touch panel 302 have substantially the same shape, and are rectangles with short sides arranged in the vertical direction and long sides arranged in the horizontal direction.
- a liquid crystal display panel can be used as the display unit 301.
- As the touch panel 302 for example, a resistance film method, a capacitance method, or the like can be used.
- the display unit 301 is housed and held in a housing 303, and the housing 303 is provided with an upper cover 13 a that covers the display unit 301 and the peripheral area of the touch panel 302.
- a touch panel 302 is held via a plurality of elastic members 14a to 14h provided at locations covered by the upper cover 13a.
- the elastic members 14a to 14h are made of a resin such as rubber, and the upper surfaces of the elastic members 14a to 14h are fixed surfaces for fixing the touch panel 302.
- the touch panel 302 is fixed by an adhesive applied to the upper surfaces of the elastic members 14a to 14h.
- the elastic members 14a to 14d and the elastic members 14e to 14h are arranged at locations where they face each other in the short side direction and are covered with the upper cover 13a.
- the height of the elastic members 14a to 14h is set to two or more different heights.
- the height is set at two different levels, and the elastic members 14b, 14c, 14f, and 14g are set higher than the elastic members 14a, 14d, 14e, and 14h.
- the touch panel 302 is fixed such that the central portion in the long side direction is curved upward.
- piezoelectric elements 17a to 17f are attached to the back surface of the touch panel 302 at a location covered with the upper cover 13a.
- the piezoelectric element 17 functions as a vibration unit that vibrates the touch panel 302.
- the piezoelectric elements 17a to 17c and the piezoelectric elements 17d to 17f are arranged at locations where they face each other in the short side direction and are covered with the upper cover 13a.
- the touch panel device 300 includes a numeric keypad for inputting a numerical value such as the number of printed sheets, a reset key for inputting an instruction for initializing setting information, a numerical value input to stop the copying operation.
- a display area 19 for displaying the state of the image forming apparatus 100 and various operation screens, as well as a permanent operation key such as a stop key for erasing the image and a start key for inputting an output instruction for starting a printing operation. Is provided.
- the document reading unit 120 includes a scanner 121, a platen glass 122, and a document reading slit 123.
- the scanner 121 includes an exposure lamp, a CCD (Charge Coupled Device) sensor, and the like, and is configured to be movable in the conveyance direction of the document MS by the document feeder 130.
- the platen glass 122 is an original table made of a transparent member such as glass.
- the document reading slit 123 has a slit formed in a direction orthogonal to the direction in which the document MS is conveyed by the document feeding unit 130.
- the scanner 121 When reading the document MS placed on the platen glass 122, the scanner 121 is moved to a position facing the platen glass 122 and reads the document MS while scanning the document MS placed on the platen glass 122. Image data is acquired, and the acquired image data is output to the recording unit 140.
- the scanner 121 When reading the document MS conveyed by the document feeding unit 130, the scanner 121 is moved to a position facing the document reading slit 123, and the document MS by the document feeding unit 130 is moved through the document reading slit 123.
- the document MS is read in synchronism with the conveying operation to acquire image data, and the acquired image data is output to the recording unit 140.
- the document feeding unit 130 includes a document placing unit 131, a document discharge unit 132, and a document transport mechanism 133.
- the documents MS placed on the document placement unit 131 are sequentially fed out one by one by the document conveyance mechanism 133 and conveyed to a position facing the document reading slit 123 of the document reading unit 120, and then the document discharge unit. It is discharged to 132.
- the document feeding unit 130 is configured to be retractable, and the upper surface of the platen glass 122 can be opened by lifting the document feeding unit 130 upward.
- the recording unit 140 includes an image forming unit 150, and includes a paper feeding unit 160, a conveyance path 170, a conveyance roller 181, a discharge roller 182, and a discharge tray 190.
- the paper feeding unit 160 includes a plurality of paper feeding cassettes 161a to 161d that store the recording paper P, and a paper feeding roller 162 that feeds the recording paper P from the paper feeding cassettes 161a to 161d one by one to the transport path 170. .
- the paper feed roller 162, the transport roller 181 and the discharge roller 182 function as a transport unit, and the recording paper P is transported.
- the recording paper P fed to the transport path 170 by the paper feed roller 162 is transported to the image forming unit 150 by the transport roller 181.
- the recording paper P on which recording has been performed by the image forming unit 150 is output to the outside by the discharge roller 182.
- the recording sheet P on which recording has been performed is guided to the discharge roller 182 and output to the discharge tray 190.
- the image forming unit 150 includes a photosensitive drum 151, a charging unit 152, an exposure unit 153, a developing unit 154, a transfer unit 155, a cleaning unit 156, and a fixing unit 157.
- the exposure unit 153 is an optical unit including a laser device, a mirror, and the like.
- the exposure unit 153 outputs laser light based on image data, exposes the photosensitive drum 151 charged by the charging unit 152, and An electrostatic latent image is formed on the surface.
- the developing unit 154 is a developing unit that develops the electrostatic latent image formed on the photosensitive drum 151 using toner, and forms a toner image based on the electrostatic latent image on the photosensitive drum 151.
- the transfer unit 155 transfers the toner image formed on the photosensitive drum 151 by the developing unit 154 to the recording paper P.
- the fixing unit 157 heats the recording paper P on which the toner image is transferred by the transfer unit 155 to fix the toner image on the recording paper P.
- the touch panel device 300, the document reading unit 120, the document feeding unit 130, the image forming unit 150, and the transport unit (paper feed roller 162, transport roller 181, discharge roller 182) of the image forming apparatus 100 are connected to the control unit 200.
- the operation is controlled by the control unit 200.
- a storage unit 171 and an image processing unit 172 are connected to the control unit 200.
- the control unit 200 is an information processing unit such as a microcomputer including a ROM (Read Only Memory), a RAM (Random Access Memory), and the like.
- the ROM stores a control program for performing operation control of the image forming apparatus 100.
- the control unit 200 reads the control program stored in the ROM and develops the control program in the RAM, thereby controlling the entire apparatus according to predetermined instruction information input from the touch panel device 300.
- the storage unit 171 is a storage unit such as a semiconductor memory or an HDD (Hard Disk Drive), and stores image data acquired by reading a document by the document reading unit 120.
- HDD Hard Disk Drive
- the image processing unit 172 performs predetermined image processing on the image data.
- the image processing unit 172 performs image improvement processing such as enlargement / reduction processing, density adjustment, or gradation adjustment.
- the touch panel device 300 includes a piezoelectric element 17a and a piezoelectric element which are arranged to face each other in the short side direction of the piezoelectric element by inputting a drive signal having a predetermined voltage waveform to the piezoelectric element one or more times.
- a third vibration drive unit 21c that drives a piezoelectric element pair composed of the piezoelectric element 17c and the piezoelectric element 17f arranged to face each other in the side direction is provided.
- the vibration drive units 21a to 21c input a drive signal having the same voltage waveform, which is predetermined in the piezoelectric elements 17a to 17f based on the control of the control unit 200, one or more times.
- the touch panel 302 is vibrated.
- the touch panel 302 When the touch panel 302 is flat, if the same vibration is generated in the piezoelectric elements 17a to 17f by the vibration driving units 21a to 21c, the vibrations are uniformly transmitted. Will cancel each other out and vibration will be canceled out.
- the touch panel 302 according to the present embodiment is configured so that the height of the elastic members 14a to 14h is changed in two stages, and the center part of the long side direction of the touch panel 302 is curved upward. As a result, a change occurs in the propagation of the vibration wave, so that cancellation due to interference can be reduced, and the tactile sensation can be made uniform.
- the height of the elastic members 14a to 14h is changed in two steps, and the touch panel 302 is configured such that the central portion in the long side direction is curved upward.
- the number and the number of height steps can be set as appropriate.
- the touch panel 302 may be curved so as to be wavy with unevenness, or the touch panel 302 may be curved more complicatedly by irregularly changing the height of the elastic members 14a to 14h.
- the present invention is not limited to the above-described embodiments, and it is obvious that each embodiment can be appropriately changed within the scope of the technical idea of the present invention.
- the number, position, shape, and the like of the constituent members are not limited to the above-described embodiment, and can be set to a number, position, shape, and the like that are suitable for implementing the present invention.
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Abstract
Description
[複合機10の概略構成]
まず、図1及び図2を参照しつつ、本発明の実施の形態に係る複合機10の概略構成について説明する。なお、図1Aは前記複合機10の構成を示す正面模式図、図1Bは図1AにおけるB-B矢視図である。
次に、図2~図4を参照しつつ、前記表示入力装置6について説明する。なお、図4Aは、前記表示入力装置6のタッチパネル63の平面図、図4Bは、前記表示入力装置6のタッチパネル63の左側面図である。
近年、表示部上にタッチパネルを設置したタッチパネル装置において、操作キーを押した感覚を操作者へ触感でフィードバックするフォースフィードバックと呼ばれる技術が提案されている。例えば、タッチパネルに圧電素子を設け、操作者がタッチパネルの操作面をタッチ入力した際に、圧電素子に電圧印加することで圧電素子を収縮変形させてタッチパネルを振動させ、操作者に触感をフィードバックするように構成されることがある。
Claims (7)
- 表示部と、
前記表示部の上面に設けられ、タッチ操作の位置を検出するタッチパネルと、
前記タッチパネルの表面及び裏面に分けて配置された複数の圧電素子と、
前記タッチパネルのタッチ操作に応じて前記圧電素子を駆動して前記タッチパネルを振動させる駆動部と、
を備える表示入力装置。 - 複数の前記圧電素子が、前記タッチパネルの長手方向に予め定められた間隔で配置された3つの前記圧電素子を含み、
3つの前記圧電素子のうち中央の前記圧電素子と両端の前記圧電素子とが前記タッチパネルの表面及び裏面に分けて配置された請求項1に記載の表示入力装置。 - 複数の前記圧電素子が、前記タッチパネルの短手方向の端部それぞれにおいて前記短手方向に対向するように前記長手方向に予め定められた間隔で配置された6つの前記圧電素子を含む請求項2に記載の表示入力装置。
- 前記駆動部が、予め定められた同一の電圧波形の駆動信号を前記圧電素子の各々に同時に入力可能である請求項1に記載の表示入力装置。
- 請求項1に記載の表示入力装置を備える情報処理装置。
- 画面を表示する表示部と、
該表示部の上面に設けられた複数の弾性部材と、
複数の前記弾性部材の上面に固定されたタッチパネルと、
前記タッチパネルを振動させる複数の圧電素子とを備え、
複数の前記弾性部材の上面は、2段階以上の複数の高さに設定され、前記タッチパネルは、湾曲された状態で固定されているタッチパネル装置。 - 前記タッチパネルへのタッチ入力に対して全ての前記圧電素子を同一の電圧波形で駆動する振動駆動部を具備する請求項6記載のタッチパネル装置。
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CN201480030608.7A CN105393195B (zh) | 2013-05-30 | 2014-05-28 | 显示输入装置、信息处理装置及触摸面板装置 |
JP2015519898A JP5976212B2 (ja) | 2013-05-30 | 2014-05-28 | 表示入力装置、情報処理装置、タッチパネル装置 |
US14/894,948 US10088904B2 (en) | 2013-05-30 | 2014-05-28 | Display input device, information processing apparatus, and touch panel device |
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JP5976212B2 (ja) | 2016-08-23 |
CN105393195A (zh) | 2016-03-09 |
US10088904B2 (en) | 2018-10-02 |
JPWO2014192801A1 (ja) | 2017-02-23 |
CN105393195B (zh) | 2018-09-25 |
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