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WO2015122489A1 - Dispositif d'entrée, procédé de commande et programme - Google Patents

Dispositif d'entrée, procédé de commande et programme Download PDF

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Publication number
WO2015122489A1
WO2015122489A1 PCT/JP2015/053945 JP2015053945W WO2015122489A1 WO 2015122489 A1 WO2015122489 A1 WO 2015122489A1 JP 2015053945 W JP2015053945 W JP 2015053945W WO 2015122489 A1 WO2015122489 A1 WO 2015122489A1
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WO
WIPO (PCT)
Prior art keywords
touch panel
threshold value
sensitivity
touch
terminal device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2015/053945
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English (en)
Japanese (ja)
Inventor
祐一 矢吹
和典 森下
岸本　達雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
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Filing date
Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Publication of WO2015122489A1 publication Critical patent/WO2015122489A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G06F1/169—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being an integrated pointing device, e.g. trackball in the palm rest area, mini-joystick integrated between keyboard keys, touch pads or touch stripes

Definitions

  • the present invention relates to an input device, a control method, and a program.
  • This application claims priority based on Japanese Patent Application No. 2014-026707 filed in Japan on February 14, 2014, the contents of which are incorporated herein by reference.
  • a position where a touch operation is performed on the touch panel is detected and converted into coordinate information, and processing is performed based on the coordinate information.
  • the capacitance with the finger that performed the touch operation differs depending on the usage environment (such as the degree of drying), individual differences, and whether or not gloves are worn.
  • the position where the touch operation was performed was not normally detected.
  • the touch panel sensitivity is adjusted in the cooker field, but when the user determines that the touch panel provided on the operation panel on the front of the cooker is not sensitive enough, press the button on the operation panel.
  • There is a method of entering the sensitivity adjustment mode of the touch panel by pressing and enabling sensitivity adjustment for example, Patent Document 1).
  • Patent Document 1 the user recognizes that the sensitivity of the touch panel is poor and requires an operation to manually set the sensitivity adjustment mode of the touch panel.
  • One embodiment of the present invention has been made in view of the above circumstances, and provides an input device, a control method, and a program that can appropriately adjust the sensitivity of a touch panel without causing a user to perform complicated operations. .
  • One aspect of the present invention is provided in a touch panel, a housing of the device, a detection unit that detects that the device is gripped, and when the detection unit detects that the device is gripped, And an adjustment unit that adjusts sensitivity of the touch panel based on a detection amount when contact with the touch panel is detected in the gripped state.
  • FIG. 1 is a configuration diagram illustrating an example of a schematic configuration of a terminal device 100 according to the present embodiment.
  • the terminal device 100 is an example of an input device including a touch panel, and is, for example, a portable information terminal (electronic device) such as a smartphone or a tablet terminal.
  • a portable information terminal electronic device
  • the terminal device 100 includes a storage medium control unit 110, an external communication IF 120, a hard key 130, a grip sensor 140 (detection unit), a display unit 150, a touch panel 160, a control unit 170, a storage unit 180, It has.
  • the above-described units are connected via a bus 101 and exchange various information with each other.
  • the storage medium control unit 110 is connected to a removable storage medium 200 (such as a card memory), and performs writing, reading, or erasing of data on the storage medium 200.
  • the external communication IF 120 includes a connection terminal with an external device, and transmits / receives data to / from the external device.
  • the hard key 130 is an operation unit having mechanical operation keys, and accepts an operation input from a user.
  • the grip sensor 140 is a sensor that is provided in the casing of the terminal device 100 and detects that the terminal device 100 is gripped when the user grips the terminal device 100. For example, the grip sensor 140 detects using a change in capacitance, a change in pressure, a change in electrical resistance, and the like when the user grips and releases the grip sensor. When the user grips the terminal device 100, the grip sensor 140 supplies information indicating that the terminal device 100 is gripped to the control unit 170. On the other hand, when the user releases the terminal device 100, the grip sensor 140 supplies information indicating that the terminal device 100 has been released to the control unit 170.
  • the display unit 150 includes a liquid crystal display for displaying information such as images and characters, an organic EL (Electro-Luminescence) display, and the like.
  • the touch panel 160 detects a contact on the screen of the display unit 150 and receives an operation input from the user.
  • the touch panel 160 includes a touch sensor that detects contact using a change in capacitance, a change in pressure, a change in electrical resistance, and the like.
  • the touch panel 160 will be described as an example provided with a capacitive touch sensor that utilizes a change in capacitance.
  • the display unit 150 and the touch panel 160 are thin and substantially rectangular members, and both are configured to be integrated.
  • the control unit 170 includes a timer 171, a touch panel detection unit 172, and a touch panel adjustment unit 173 (hereinafter sometimes referred to as “adjustment unit”).
  • the timer 171 measures time.
  • the touch panel detection unit 172 acquires the amount of change in capacitance detected by the touch panel 160 in response to a touch operation on the touch panel 160, and detects that the touch operation has been performed based on the acquired amount of change in capacitance. .
  • the amount of change in capacitance detected by the touch panel 160 is referred to as “touch detection amount”.
  • the touch panel adjustment unit 173 adjusts the sensitivity of the touch panel 160 (detection sensitivity for detecting contact with the touch panel 160). For example, the touch panel adjustment unit 173 sets a threshold value of a touch detection amount for determining whether or not there is a touch on the touch panel 160 (that is, whether or not a touch operation has been performed). The touch panel adjustment unit 173 adjusts the sensitivity of the touch panel 160 by changing the threshold value. Then, the touch panel detection unit 172 determines whether or not there is a touch on the touch panel 160 (that is, whether or not a touch operation has been performed) based on the threshold value set by the touch panel adjustment unit 173 and the touch detection amount acquired from the touch panel 160. judge. As a result, the touch panel detection unit 172 detects contact with the touch panel 160 (that is, a touch operation has been performed).
  • the horizontal axis indicates time t
  • the vertical axis indicates the touch detection amount S.
  • FIG. 1 shows a change in the touch detection amount S acquired by the touch panel detection unit 172 from the touch panel 160 in one touch operation from the time when the user's finger touches the touch panel 160 until the user leaves.
  • Time t10 is the timing at which the finger contacts
  • time t20 is the timing at which the finger is released.
  • the touch panel detection unit 172 measures time using a timer 171 and after a predetermined time (for example, 3 msec) has elapsed (time t15). The touch detection amount S is again compared with the threshold value Sth. The touch panel detection unit 172 regards that the touch operation is performed when the touch detection amount S is greater than the threshold value Sth, and regards that the touch operation is not performed when the touch detection amount S is less than the threshold value. As a result, erroneous detection due to the touch detection amount S generated other than the touch operation is suppressed.
  • the touch panel adjustment unit 173 can adjust the sensitivity of the touch panel 160 by changing the threshold value Sth.
  • the touch detection amount S changes due to the influence of a change in the moisture content of the hand due to dry weather or the like, or the wearing of a material that covers a finger such as a glove. The number of cases that do not respond increases.
  • FIG. 2 (2) shows the relationship between the threshold value Sth and the change in the touch detection amount S by one touch operation each time the bare hand in high humidity, the bare hand in drying, and the glove wearing state.
  • the touch operation with the bare hand at high humidity can be regarded as a touch operation having a touch detection amount S larger than the threshold value Sth1, but In the touch operation when wearing gloves, the touch detection amount S is smaller than the threshold value Sth1, and it is considered that the touch operation is not performed.
  • the threshold value is made smaller than the threshold value Sth1, it can be considered that the touch operation is performed with respect to the touch operation when the bare hands or gloves are worn when drying, but on the other hand, for example, clothes Even in the case of a small touch detection amount S such that the sleeve touches, a case where it is considered that a touch operation has been performed occurs, and erroneous detection is likely to occur.
  • an appropriate threshold value is selected from a plurality of threshold values.
  • Sth1, Sth2, Sth3, and Sth4 will be described as shown in FIG.
  • Each of the threshold values Sth1, Sth2, and Sth3 is a threshold value that is suitable for each of the bare hands at the time of humidity, the bare hands at the time of drying, and the wearing of gloves.
  • the threshold value Sth1 determines that there is a touch on the touch panel 160 in the case of a touch operation with a bare hand at high humidity, and there is no touch on the touch panel 160 in the case of a touch operation when wearing a glove and a glove. It is a threshold value for judging.
  • the threshold value Sth2 determines that there is a touch on the touch panel 160 in the case of a touch operation with a bare hand at high humidity and a bare hand at the time of drying, and there is no touch on the touch panel 160 in the case of a touch operation when wearing gloves. It is a threshold value for judging.
  • the threshold value Sth3 is a threshold value for determining that there is a touch on the touch panel 160 in any of the touch operations at the time of high humidity, bare hands at the time of drying, and wearing gloves.
  • the threshold value Sth4 is a threshold value used at the time of sensitivity adjustment, and is a threshold value for detecting contact with the touch panel 160 with the highest sensitivity among the four threshold values.
  • the touch sensor adjustment unit 173 detects that the terminal device 100 is gripped by the grip sensor 140
  • the touch detection amount when the touch panel detection unit 172 detects contact with the touch panel 160 in the gripped state.
  • the sensitivity of touch panel 160 is adjusted by selecting an appropriate threshold value. For example, when the grip sensor 140 detects that the terminal device 100 is gripped, the touch panel adjustment unit 173 sets the sensitivity of the touch panel 160 to a high sensitivity so that the touch operation can be easily received (for example, adjustment) Threshold value Sth4).
  • the touch panel adjustment unit 173 detects the above-described three threshold values Sth1, The sensitivity of the touch panel 160 is adjusted by selecting an appropriate threshold value Sth from Sth2, Sth3, or threshold value Sth4.
  • FIG. 3 is a diagram illustrating an example of a threshold value conversion table that serves as a reference when setting a threshold value based on a touch detection amount.
  • the threshold value conversion table TBL1 the magnitude of the touch detection amount S detected by the touch panel detection unit 172 and the set threshold value Sth are associated with each other.
  • the threshold value Sth4 is selected, and when the touch detection amount S is greater than the threshold value Sth3 and less than or equal to the threshold value Sth2, A threshold value Sth3 is selected.
  • the threshold value Sth2 is selected.
  • the threshold value Sth1 is set. Selected.
  • the touch panel adjustment unit 173 detects when the touch panel detection unit 172 first detects contact with the touch panel 160 in the gripped state.
  • the sensitivity of the touch panel 160 is adjusted so that the sensitivity is maintained while being held.
  • the touch panel adjustment unit 173 adjusts the sensitivity of the touch panel 160 in a state where the terminal device 100 is held, and then sets the adjusted sensitivity for a period during which the held state continues.
  • the touch panel adjustment unit 173 adjusts the sensitivity of the touch panel 160 again when the grip sensor 140 detects that the terminal device 100 is gripped after the grip state is changed.
  • the storage unit 180 includes a threshold storage unit 181, a threshold conversion table storage unit 182, and an initial touch flag storage unit 183.
  • the threshold storage unit 181 stores the threshold set by the touch panel adjustment unit 173.
  • Touch panel detection unit 172 determines whether or not there is a touch on touch panel 160 based on the threshold value stored in threshold value storage unit 181.
  • the threshold value conversion table storage unit 182 stores, for example, a threshold value conversion table TBL1 shown in FIG.
  • the touch panel adjustment unit 173 selects a threshold value based on the threshold value conversion table TBL1 stored in the threshold value conversion table storage unit 182.
  • the first touch flag storage unit 183 determines whether or not the first touch flag storage unit 183 is the first detection when the terminal device 100 is held (that is, adjusts the sensitivity of the touch panel 160).
  • Flag information (hereinafter referred to as “first time touch flag”) indicating whether or not to perform is stored.
  • the grip sensor 140 detects that the terminal device 100 is gripped
  • the touch panel adjustment unit 173 sets the initial touch flag to ON (eg, “1”). Further, after adjusting the sensitivity of the touch panel 160, the touch panel adjustment unit 173 changes the initial touch flag from ON (for example, “1”) to OFF (for example, “0”). Then, when the touch panel detection unit 172 detects contact with the touch panel 160, the touch panel adjustment unit 173 adjusts the sensitivity of the touch panel 160 only when the initial touch flag is ON.
  • the touch panel adjustment unit 173 touches the touch panel when the touch panel detection unit 172 first detects contact with the touch panel 160 in the gripped state.
  • the sensitivity can be adjusted to maintain the sensitivity while being held.
  • FIG. 4 is a flowchart illustrating an example of sensitivity adjustment mode transition processing for transition to a mode for adjusting the sensitivity of the touch panel 160 (hereinafter referred to as “sensitivity adjustment mode”) when the terminal device 100 is held.
  • FIG. 5 is a flowchart illustrating an example of sensitivity selection processing for selecting the sensitivity of the touch panel 160 based on the touch detection amount when contact with the touch panel 160 is detected in the sensitivity adjustment mode.
  • the operation of the sensitivity adjustment mode transition process will be described with reference to FIG.
  • the threshold value before the sensitivity adjustment is the threshold value Sth1.
  • the grip sensor 140 supplies information indicating that the terminal device 100 is gripped to the control unit 170.
  • the touch panel adjustment unit 173 determines whether or not information indicating that the terminal device 100 has been gripped has been acquired from the grip sensor 140 (step S110), and when it is determined that the information has not been acquired (step S110: No). ) This determination process is repeated, and if it is determined that it has been acquired (step S110: Yes), the process proceeds to step S120.
  • the touch panel adjustment unit 173 When the touch panel adjustment unit 173 acquires information indicating that the terminal device 100 has been gripped, the touch panel adjustment unit 173 sets the initial touch flag to ON (step S120). In addition, the touch panel adjustment unit 173 changes the threshold value Sth1 to the highly sensitive threshold value Sth4 in order to make the touch operation easy to accept (step S130). This shifts to a sensitivity adjustment mode for adjusting the sensitivity of the touch panel 160.
  • the touch panel adjustment unit 173 When the touch panel detection unit 172 detects contact with the touch panel 160 in the state in which the sensitivity adjustment mode has been entered (the initial touch flag is ON), the touch panel adjustment unit 173 performs sensitivity selection processing for selecting the sensitivity of the touch panel 160. To change the initial touch flag to OFF. This sensitivity selection process will be described later with reference to FIG.
  • the grip sensor 140 supplies information indicating that the terminal device 100 has been released to the control unit 170.
  • the touch panel adjustment unit 173 determines whether or not information indicating that the terminal device 100 has been released has been acquired from the grip sensor 140 (step S140), and if it is determined that the information has not been acquired (step S140). : No) If this determination process is repeated and it is determined that it has been acquired (step S140: Yes), it is determined whether or not the initial touch flag is set to ON (step S150).
  • step S150: Yes If it is determined that the initial touch flag is set to ON (step S150: Yes), the sensitivity of the touch panel 160 is not adjusted. Therefore, the touch panel adjustment unit 173 returns from the threshold value Sth4 to the original threshold value Sth1 (step S160), and changes the initial touch flag from ON to OFF (step S170). Thereby, the sensitivity adjustment mode is terminated. On the other hand, when it is determined that the initial touch flag is set to OFF (step S150: No), the sensitivity of the touch panel 160 has been adjusted. Therefore, the touch panel adjustment unit 173 ends without changing the currently set threshold value. When the user grips the terminal device 100 again, the process from step S110 is performed again and the sensitivity adjustment mode is entered.
  • the touch panel adjustment unit 173 determines whether or not the initial touch flag is set to ON. (Step S220). When it is determined that the initial touch flag is set to OFF (step S220: No), since it is not the sensitivity adjustment mode, the control unit 170 performs a process corresponding to the operation input accepted by the touch operation. This is performed (step S270).
  • step S220 when it is determined that the initial touch flag is set to ON (step S220: Yes), the touch panel adjustment unit 173 is in the state of shifting to the sensitivity adjustment mode. Acquires the touch detection amount S when detecting contact with the touch panel 160 (step S230). Then, the touch panel adjustment unit 173 refers to the threshold value conversion table storage unit 182 and collates the acquired touch detection amount S with the threshold value conversion table TBL1 (see FIG. 3), and sets the corresponding threshold value. Select (step S240).
  • the touch detection amount S is larger than the threshold value Sth3 and not more than the threshold value Sth2, and the threshold value Sth3 is selected.
  • the touch panel adjustment unit 173 stores the selected threshold value Sth3 in the threshold value storage unit 181 (step S250). Then, the touch panel adjustment unit 173 changes the initial touch flag from ON to OFF (step S260). Thereby, the sensitivity adjustment mode ends.
  • the control unit 170 performs a process corresponding to the operation input received when the touch operation is performed (step S270). Thereafter, since the touch panel detection unit 172 detects contact with the touch panel 160 based on the threshold value Sth3, the touch panel detection unit 172 determines whether or not there is contact with the touch panel 160 with a sensitivity that is optimal for a touch operation when wearing gloves. can do.
  • step S210 when a touch operation is performed on the touch panel 160 and the touch panel detection unit 172 detects contact with the touch panel 160 (step S210), the initial touch flag is OFF and the sensitivity adjustment mode is not set (step S220: No), the control unit 170 performs a process corresponding to the operation input received by the touch operation (step S270).
  • the touch panel adjustment unit 173 acquires information indicating that the terminal device 100 has been released from the grip sensor 140 (step S140 in FIG. 4). After that, when the user grips the terminal device 100 with the left hand, the touch panel adjustment unit 173 sets the initial touch flag to ON and sets the threshold value to the high-sensitivity threshold value Sth4 by the processes of steps S110, S120, and S130 in FIG. (Steps S120 and S130 in FIG. 4). Thus, the sensitivity adjustment mode is entered.
  • a touch operation is performed on the touch panel 160 with the right hand (bare hand when dry) and the touch panel detection unit 172 detects contact with the touch panel 160 (step S210).
  • the unit 173 determines whether or not the initial touch flag is set to ON (step S220). Since the initial touch flag is set to ON (step S150: Yes), the touch panel adjustment unit 173 determines the threshold value based on the touch detection amount S detected by the touch panel detection unit 172 and the threshold value conversion table TBL1. Select.
  • the touch detection amount S is larger than the threshold value Sth2 and not more than the threshold value Sth1, and the threshold value Sth2 is selected.
  • the touch panel adjustment unit 173 stores the selected threshold value Sth2 in the threshold value storage unit 181 (step S250), and changes the initial touch flag from ON to OFF (step S260). Thereby, the sensitivity adjustment mode ends.
  • the control unit 170 performs a process corresponding to the operation input received when the touch operation is performed (step S270). Thereafter, since the touch panel detection unit 172 detects contact with the touch panel 160 based on the threshold value Sth2, the touch panel detection unit 172 determines whether or not there is contact with the touch panel 160 with the optimum sensitivity for a touch operation with a bare hand during drying. Can be determined.
  • FIG. 6 is a timing chart showing changes in the threshold value Sth in the above-described sensitivity adjustment process described with reference to FIGS.
  • the horizontal axis represents time t
  • the vertical axis represents threshold value Sth.
  • the threshold value Sth1 is selected.
  • the touch panel adjustment unit 173 acquires information indicating that the terminal device 100 is held at time t10 (step S110 in FIG. 4)
  • the touch panel adjustment unit 173 changes the threshold value Sth1 to the threshold value Sth4 (time t15, FIG. 4 (step S120), the mode is shifted to the sensitivity adjustment mode.
  • the touch panel detection unit 172 detects contact with the touch panel 160 (step S210 in FIG. 5). .
  • the touch panel adjustment unit 173 changes to the threshold value Sth3 suitable for wearing gloves based on the touch detection amount S detected by the touch panel detection unit 172 and the threshold value conversion table TBL1, and ends the sensitivity adjustment mode. (Time t25, step S240 in FIG. 5).
  • the touch panel adjustment unit 173 acquires information indicating that the terminal device 100 has been released from the grip sensor 140 (step S140 in FIG. 4). ). Subsequently, when the user grips the terminal device 100 with the left hand at time t ⁇ b> 35 (that is, when the user holds the terminal device 100 with the left hand), the touch panel adjustment unit 173 acquires information indicating that the terminal device 100 is gripped from the grip sensor 140. (Step S110 in FIG. 4). The touch panel adjustment unit 173 changes the threshold value Sth3 to the threshold value Sth4 (time t40, step S120 in FIG. 4), and shifts to the sensitivity adjustment mode.
  • touch panel detection unit 172 detects contact with touch panel 160 (step S210 in FIG. 5).
  • the touch panel adjustment unit 173 changes the threshold value Sth2 suitable for bare hands during drying based on the touch detection amount S detected by the touch panel detection unit 172 and the threshold value conversion table TBL1 (time t50, FIG. 5). Step S240).
  • the terminal device 100 (an example of the input device) including the touch panel 160 according to the present embodiment is provided in the casing of the terminal device 100 and the grip sensor 140 that detects that the terminal device 100 is gripped. (An example of a detection unit) and when it is detected that the terminal device 100 is gripped by the grip sensor 140, the touch panel 160 is based on a touch detection amount when contact with the touch panel 160 is detected in the gripped state.
  • a touch panel adjustment unit 173 (an example of an adjustment unit) that adjusts the sensitivity of.
  • the terminal device 100 adjusts the sensitivity of the touch panel 160 at the timing when the user performs the touch operation while holding the terminal device 100, the usage environment (the degree of dryness, etc.) can be obtained without causing the user to perform complicated operations. ), Individual differences, and the presence or absence of wearing gloves, the sensitivity of the touch panel 160 can be adjusted appropriately. Therefore, according to the present embodiment, it is possible to easily adjust the sensitivity of the touch panel 160 without being aware of the user, and it is possible to suppress a situation where a touch operation is not accepted or a situation where a false detection occurs.
  • the touch panel adjustment unit 173 adjusts the sensitivity of the touch panel 160 in a state where the terminal device 100 is held, and then sets the adjusted sensitivity for a period during which the held state continues. That is, when the terminal device 100 is gripped, the touch panel adjustment unit 173 adjusts the sensitivity of the touch panel 160, for example, only during the first touch operation. Therefore, since the terminal device 100 does not constantly adjust by monitoring the touch operation, it is possible to reduce the influence on the power consumption and the performance due to the sensitivity adjustment.
  • the touch panel adjustment unit 173 adjusts the sensitivity of the touch panel 160 again when the grip sensor 140 detects that the terminal device 100 is gripped after the state in which the terminal device 100 is gripped is changed.
  • the change in the gripped state refers to, for example, a case where the user once releases the hand that has gripped the terminal device 100 and grips it again.
  • the terminal device 100 is changed when the user's left and right hands holding the terminal device 100 are changed and the touch operation is changed. It becomes possible to readjust the sensitivity of the touch panel 160 to a sensitivity suitable for the hand performing the touch operation.
  • the sensitivity can be adjusted again to be suitable for a hand that performs a touch operation automatically.
  • the touch panel adjustment unit 173 increases the sensitivity of the touch panel 160 above a predetermined sensitivity, and makes contact with the touch panel 160 in a state where the sensitivity is increased.
  • the sensitivity of the touch panel 160 is adjusted based on the touch detection amount at the time of detecting. As a result, the terminal device 100 can prevent the adjustment from being impossible even in a situation where the capacitance generated between the touch panel 160 and the hand performing the touch operation is small and the touch operation is difficult to detect.
  • the touch panel adjustment unit 173 adjusts the sensitivity of the touch panel 160, for example, only during the first touch operation. That is, since the terminal device 100 is set to high sensitivity only during the period from when it is gripped until the first touch operation is detected, the period during which erroneous detection is likely to occur can be shortened.
  • the grip sensor 140 is provided on both side surfaces of the casing of the terminal device 100, and determines whether or not the left and right hands have been changed from the change in the contact detection distribution on each side surface.
  • the both side surfaces of the casing of the terminal device 100 are, for example, at least two side surfaces of a plurality of side surfaces of the casing of the terminal device 100 that face each other, and the user holds the terminal device 100 and displays the display unit 150. The left side of the display screen and the right side of the right side of the display screen.
  • FIGS. 7A to 7D are diagrams showing examples of a state where the terminal device 100 is held with the left hand.
  • FIGS. 7A to 7D shows an example in which the terminal device 100 is held by the left hand.
  • the area indicated by the symbol a indicates a contact area between the base portion of the left thumb and the left side surface of the terminal device 100
  • the area indicated by the symbol b indicates a contact area between the left thumb and the left side surface of the terminal device 100.
  • An area indicated by reference sign c (c1, c2, c3, c4) indicates a contact area between a finger other than the left thumb and the right side surface of the terminal device 100.
  • An area indicated by a symbol d indicates a contact area between the base of the left thumb and the thumb and the left side surface of the terminal device 100.
  • the left side surface of the terminal device 100 is a side surface with which the left thumb comes into contact.
  • the left side surface of the terminal device 100 is a side surface with which the left thumb comes into contact.
  • the right side surface of the terminal device 100 is a side surface where fingers other than the thumb of the left hand come into contact, and as shown in (1) to (4), there are one or more contact areas (area c).
  • the size of each contact area of the code a, the code b, the code c, and the code d has a relationship of “code d> code a> code b> code c”.
  • the terminal apparatus 100 is left-handed. Good. Also, as shown in (3) and (4), when the number of contact areas on the left side of the terminal device 100 is the same as the number of contact areas on the right side, one contact area on the left side is the right side. It may be determined to be left-handed by being larger than one contact area on the surface. Even when the number of contact areas on the left side of the terminal device 100 is different from the number of contact areas on the right side, one contact area on the left side is larger than one contact area on the right side. The left hand may be determined.
  • the grip sensor 140 can determine whether the left and right hands are changed from the change in the contact detection distribution on the left and right side surfaces. It should be noted that the grip sensor 140 may determine that the left and right hands have been changed when it is determined to be right-handed from the state determined to be left-handed, or vice versa. Even if it is not performed, it may be determined that the left and right hands have been changed when the change in the contact detection distribution on the left and right sides is large. For example, by setting a threshold for the amount of change in the touch detection distribution for determining that the left and right hands have been changed, it is possible to determine that the hand has been changed when the threshold is exceeded. Good.
  • the sensitivity adjustment processing according to the present embodiment is the first implementation described with reference to FIGS. 4 and 5 except that the sensitivity adjustment is performed again when the left and right hands are changed while holding the terminal device 100. This is the same as the sensitivity adjustment processing according to the form.
  • differences in the present embodiment from the sensitivity adjustment mode transition processing shown in FIG. 4 will be described with reference to FIG.
  • the sensitivity setting process according to this embodiment is the same as the sensitivity setting process shown in FIG.
  • FIG. 8 is a flowchart showing an example of sensitivity adjustment mode transition processing according to the present embodiment.
  • the process shown in FIG. 8 is different from the process shown in FIG. 4 in that the processes of steps S115, S135, and S145 are added.
  • parts corresponding to the respective processes in FIG. 8 are added.
  • the grip sensor 140 changes the left and right hands while holding the terminal device 100.
  • Judgment processing (“hand change judgment processing”) for judgment is started (step S115).
  • the touch panel adjustment unit 173 sets the initial touch flag to ON (step S120), changes the threshold value to the high sensitivity threshold value Sth4 (step S130), and shifts to the sensitivity adjustment mode.
  • the hand holding determination process described above may be performed all the time from the start to the end of the determination process, or may be performed periodically at a predetermined time interval, or a large change in the contact detection distribution. You may go when there is. Further, since the touch detection distribution becomes unstable when the hand is changed, in this determination process, after checking the change of the touch detection distribution for a predetermined period (for example, about 1 to 3 seconds), It may be determined whether or not there has been a change of position, and until then, the previous determination result may be maintained. When it is determined that the hand has been changed, the grip sensor 140 supplies information indicating that the hand has been changed to the touch panel adjustment unit 173.
  • a predetermined period for example, about 1 to 3 seconds
  • the touch panel adjustment unit 173 determines whether information indicating that the hand has been changed has been acquired from the grip sensor 140 (step S135). When it is determined that information indicating that the hand has been changed has been acquired (step S135: Yes), the touch panel adjustment unit 173 returns the process to step S120. Thereby, when the sensitivity adjustment mode is completed by the sensitivity setting process shown in FIG. 5, the mode is shifted to the sensitivity adjustment mode. If the sensitivity adjustment mode has not ended, the operation is continued as it is.
  • step S135 when it is determined that information indicating that the hand has been changed has not been acquired (step S135: No), the touch panel adjustment unit 173 transmits information indicating that the terminal device 100 has been released from the grip sensor 140. It is determined whether or not it has been acquired (step S140). When it is determined that the information indicating that the terminal device 100 has been released is not acquired (Step S140: No), the touch panel adjustment unit 173 returns the process to Step S135 and continues the hand change determination process. If it is determined that information indicating that the terminal device 100 has been released is acquired (step S140: Yes), the hand holding determination process is terminated (step S145), and the process proceeds to step S150 in FIG.
  • the terminal device 100 (an example of the input device) according to the present embodiment changes the state by changing the left and right hands while holding the terminal device 100 as a change in the state in which the terminal device 100 is held. Can be detected. Therefore, when the touch detection amount of the left and right hands of the user is different, the terminal device 100 can change the sensitivity of the touch panel 160 even if the left and right hands are changed while holding the terminal device 100. It can be adjusted again to a sensitivity suitable for the hand.
  • the sensitivity of the touch panel 160 can be adjusted again to a sensitivity suitable for the hand performing the touch operation.
  • a third embodiment of the present invention Since the configuration of the terminal device 100 of the present embodiment is the same as that of the first embodiment, a characteristic process in the present embodiment will be described.
  • the sensitivity of the touch panel 160 is adjusted again by detecting that the terminal device 100 is once released and then gripped again.
  • the state of the user's hand operating the touch panel 160 the degree of dryness or whether or not gloves are worn
  • the sensitivity threshold value of the touch panel 160 adjusted last time is used when the time interval from when the terminal device 100 is once released until it is gripped again is short.
  • the touch panel adjustment unit 173 acquires information indicating that the terminal device 100 has been released, the touch panel adjustment unit 173 next measures time until acquiring information indicating that the terminal device 100 has been gripped. If the time is longer than the predetermined time, the adjustment is performed. If the time is shorter than the predetermined time, the adjustment is not performed and the threshold value is not changed from the previous setting.
  • the predetermined time is a time set in advance to determine whether or not to perform sensitivity adjustment of the touch panel 160 when the user once releases the terminal device 100 and then holds it again.
  • this predetermined time is described as “time Tth”.
  • FIG. 9 is a flowchart illustrating an example of sensitivity adjustment mode transition processing according to the present embodiment.
  • the process shown in FIG. 9 is different from the process shown in FIG. 4 in that steps S125, S126, and S180 are added. 9, parts corresponding to the respective processes in FIG. 4 are denoted by the same reference numerals, and description thereof is omitted.
  • the touch panel adjustment unit 173 acquires information indicating that the terminal device 100 has been gripped from the grip sensor 140 (step S110: Yes)
  • the touch panel adjustment unit 173 sets the initial touch flag to ON (step S120) and stops the time measurement by the timer 171. (Step S125).
  • the time measurement by the timer 171 is the time elapsed since the user released the terminal device 100.
  • the touch panel adjustment unit 173 causes the timer 171 to start measuring (step S180), and after starting the timing, step S120. The elapsed time counted by the timer 171 until it is stopped at is acquired.
  • the touch panel adjustment unit 173 determines whether or not the elapsed time counted by the timer 171 is longer than the time Tth (step S126).
  • the touch panel adjustment unit 173 changes the threshold value to the high sensitivity threshold value Sth4 as in the first embodiment. (Step S130), the mode is shifted to the sensitivity adjustment mode.
  • the touch panel adjustment unit 173 does not perform the process of step S130 and does not change the threshold value.
  • the currently set threshold value is used without changing to the high sensitivity threshold value for adjustment.
  • the sensitivity setting process shown in FIG. 5 is performed. In this case, even if the sensitivity setting process is performed, if the user's hand state (the degree of dryness or whether or not gloves are worn) has not changed, the current threshold value is not changed. Is equivalent to not being done.
  • step S140 determines with the touch panel adjustment part 173 having acquired the information which shows having released the terminal device 100 (step S140: Yes)
  • step S150, S160, S170 is performed, and the time measurement by the timer 171 is carried out.
  • Start step S180. As a result, the elapsed time from when the user releases the terminal device 100 is started again.
  • the touch panel adjusting unit 173 is a time interval from once releasing to holding again. Is short, the threshold value is not changed to the sensitivity for adjustment, and the currently set threshold value is maintained. As a result, the terminal device 100 can prevent an adjustment from being frequently made unnecessarily, and can be prevented from being once set as a high-sensitivity threshold value for adjustment. The reaction until it is done can be improved.
  • the sensitivity setting process shown in FIG. 10 may be used instead of the sensitivity setting process shown in FIG.
  • FIG. 10 is a flowchart showing a modification of the sensitivity setting process according to the present embodiment.
  • the sensitivity setting process shown in FIG. 10 is different from the sensitivity setting process shown in FIG. 5 in that the process of step S225 is added.
  • the touch panel adjustment unit 173 When it is determined that the initial touch flag is set to ON (step S220: Yes), the touch panel adjustment unit 173 has the touch detection amount S when the touch panel detection unit 172 detects in step S210 is currently set. It is determined whether it is larger than a certain threshold value (step S225). For example, when the touch detection amount S is larger than the currently set threshold value, the touch panel adjustment unit 173 performs the process of setting the sensitivity by the processes of steps S230, S240, and S250, and the touch detection amount S is If it is less than or equal to the set threshold value, the processes in steps S230, S240, and S250 are not performed.
  • the determination may be made using a threshold value that is larger than the currently set threshold value instead of the currently set threshold value.
  • the touch panel adjustment unit 173 increases the sensitivity by the processes of steps S230, S240, and S250 when the touch detection amount S is larger than the threshold value Sth2. Processing for setting may be performed, and when the touch detection amount S is equal to or smaller than the currently set threshold value Sth2, the processing in steps S230, S240, and S250 may not be performed.
  • step S126 when the elapsed time counted by the timer 171 is equal to or shorter than the time Tth (step S126: No), the touch panel adjustment unit 173 does not change the threshold value and does not change the threshold value in step S140. In this case, the initial touch flag may be further turned off and then the process may proceed to step S140. That is, the adjustment mode may be terminated when the time from when the user once releases the terminal device 100 until it is gripped again is equal to or shorter than the time Tth. In other words, the touch panel adjustment unit 173 detects that the user has once released the hand holding the terminal device 100 and then held it again, but when the time interval from once releasing to holding again is short. May not be adjusted. As a result, the terminal device 100 can suppress unnecessary frequent adjustments, shorten the adjustment time, and reduce power consumption associated with the adjustment.
  • a fourth embodiment of the present invention when it is detected that the grip sensor 140 is gripped, the amount of change in capacitance detected by the grip sensor 140 (hereinafter referred to as “grip detection amount”) is used for adjustment.
  • grip detection amount the amount of change in capacitance detected by the grip sensor 140
  • An example of determining the threshold value of the touch detection amount will be described.
  • FIG. 11 is a configuration diagram illustrating an example of a schematic configuration of the terminal device 100A according to the present embodiment.
  • the same reference numerals are given to the components corresponding to those in FIG. 1, and the description thereof is omitted.
  • the configurations of the control unit 170A and the storage unit 180A are different from the configurations of the control unit 170 and the storage unit 180 of the terminal device 100 shown in FIG.
  • the control unit 170A further includes a grip detection amount acquisition unit 174 and a grip detection amount conversion unit 175.
  • the grip detection amount acquisition unit 174 acquires the grip detection amount detected by the grip sensor 140 when the user grips the terminal device 100A.
  • the grip detection amount conversion unit 175 converts the grip detection amount acquired by the grip detection amount acquisition unit 174 into a touch detection amount threshold value.
  • the grip detection amount conversion unit 175 converts the grip detection amount acquired by the grip detection amount acquisition unit 174 into a threshold Sth of the touch detection amount S using a threshold conversion table TBL2 shown in FIG. To do.
  • FIG. 12 shows a relationship between a change in the grip detection amount G due to one grip each time when a bare hand in high humidity, a bare hand in drying, and a glove is worn, and a threshold value Gth of the grip detection amount G.
  • FIG. 12 shows that the detected grip amount is larger than the threshold value Gth1 when the terminal device 100A is gripped with a bare hand at high humidity. Further, it is indicated that the grip detection amount when the terminal device 100A is held with a bare hand during drying is larger than the threshold value Gth2 and equal to or less than the threshold value Gth1. Further, it is indicated that the grip detection amount when the terminal device 100A is gripped when wearing gloves is larger than the threshold Gth3 and equal to or smaller than the threshold Gth2.
  • FIG. 13 is a diagram illustrating an example of a threshold value conversion table serving as a reference when converting the grip detection amount into the touch detection amount threshold value.
  • the threshold value conversion table TBL2 the magnitude of the grip detection amount G detected by the grip sensor 140 and the threshold value Sth of the set touch detection amount S are associated with each other.
  • the threshold value Sth of the touch detection amount S corresponds to the threshold value Sth shown in FIGS.
  • the threshold value Sth3 of the touch detection amount S is selected.
  • the threshold value Sth2 of the touch detection amount S is selected, and when the grip detection amount G is larger than the threshold value Gth1.
  • a threshold value Sth1 of the touch detection amount S is selected.
  • the storage unit 180 ⁇ / b> A further includes an initial threshold conversion table storage unit 184.
  • the threshold value conversion table storage unit 184 for the first time is illustrated in FIG. 13 as a reference for determining the threshold value Sth of the touch detection amount S for the first touch operation after the terminal device 100A is gripped.
  • the threshold value conversion table TBL2 is stored.
  • the threshold value Sth of the touch detection amount S for the first touch operation is an adjustment threshold value.
  • the grip detection amount conversion unit 175 performs the first time based on the grip detection amount G acquired by the grip detection amount acquisition unit 174 and the threshold value conversion table TBL2 stored in the threshold value conversion table storage unit 182.
  • the threshold value Sth of the touch detection amount S for the touch operation is determined.
  • FIG. 14 is a flowchart illustrating an example of sensitivity adjustment mode transition processing according to the present embodiment.
  • the processing shown in FIG. 14 is different from the processing shown in FIG. 4 in that the processing in steps S135 and S136 is performed instead of the processing in step S130 shown in FIG.
  • the touch panel adjustment unit 173 acquires information indicating that the terminal device 100A is gripped from the grip sensor 140 (step S110: Yes)
  • the touch panel adjustment unit 173 sets the initial touch flag to ON (step S120).
  • the grip detection amount acquisition unit 174 acquires the grip detection amount G detected by the grip sensor 140 (step S135).
  • the grip detection amount conversion unit 175 is based on the grip detection amount G acquired by the grip detection amount acquisition unit 174 and the threshold value conversion table TBL2 stored in the threshold value conversion table storage unit 182.
  • a threshold value Sth of the touch detection amount S is determined.
  • the touch panel adjustment unit 173 sets the threshold value Sth of the touch detection amount S determined by the grip detection amount conversion unit 175 based on the grip detection amount G as an adjustment threshold value (step S136). Thereby, the threshold value Sth of the touch detection amount S based on the grip detection amount G is set, and the mode is shifted to the adjustment mode.
  • the process shown in FIG. 5 can be applied to the sensitivity setting process according to the present embodiment.
  • FIG. 15 is a timing chart showing changes in the threshold value Sth in the sensitivity adjustment processing according to the present embodiment.
  • the horizontal axis represents time t
  • the vertical axis represents threshold value Sth.
  • Sth1 is selected first.
  • the user who operates first wears gloves on both hands.
  • the touch panel adjustment unit 173 acquires information indicating that the terminal device 100A is gripped (step S110 in FIG. 14), and the grip detection amount acquisition unit 174 acquires the grip detection amount G (FIG. 14). Step S135).
  • the acquired grip detection amount G is larger than the threshold Gth3 and equal to or smaller than the threshold Gth2.
  • the touch panel adjustment unit 173 changes the threshold value of the touch detection amount S from the threshold value Sth1 to the threshold value Sth3 based on the acquired grip detection amount G and the threshold value conversion table TBL2 (time t15, FIG. 14 step S136), the mode is shifted to the sensitivity adjustment mode.
  • the touch panel detection unit 172 detects contact with the touch panel 160 (step S210 in FIG. 5).
  • the touch panel adjustment unit 173 selects a threshold value Sth3 suitable for wearing gloves based on the touch detection amount S detected by the touch panel detection unit 172 and the threshold value conversion table TBL1 shown in FIG.
  • the threshold value Sth3 since the threshold value Sth3 has already been set, it is not changed as it is.
  • the method of setting the threshold value of the touch detection amount S using the grip detection amount G is particularly effective when, for example, both hands are in the same state.
  • the touch panel adjustment unit 173 acquires information indicating that the terminal device 100A is gripped (step S110 in FIG. 14). Further, the grip detection amount acquisition unit 174 acquires the grip detection amount G (step S135 in FIG. 14).
  • the left hand of the user is in a state where the grip detection amount is smaller than when the glove is worn, and the acquired grip detection amount G is equal to or less than the threshold value Gth3.
  • the touch panel adjustment unit 173 changes the threshold value of the touch detection amount S from the threshold value Sth1 to the threshold value Sth4 based on the acquired grip detection amount G and the threshold value conversion table TBL2 (time t40, FIG. 14 step S136), the mode is shifted to the sensitivity adjustment mode.
  • the user's right hand is a bare hand when dry.
  • touch panel detection unit 172 detects contact with touch panel 160 (step S210 in FIG. 5). .
  • the touch panel adjustment unit 173 changes the threshold value Sth2 suitable for bare hands during drying based on the touch detection amount S detected by the touch panel detection unit 172 and the threshold value conversion table TBL1 shown in FIG. t50, step S240 in FIG. 5).
  • an appropriate threshold value is set based on the touch detection amount S, as in the processing described in the first embodiment.
  • the touch panel adjustment unit 173 sets the threshold value Sth of the adjustment touch detection amount S based on the grip detection amount G when the user grasps the terminal device 100A.
  • the terminal device 100A can suppress the frequency once set to the high sensitivity threshold value for adjustment, and can improve the reaction until an appropriate threshold value is set. Also, the terminal device 100A can shorten the adjustment time and reduce power consumption associated with the adjustment.
  • control unit 170 (170A) in the embodiment described above, for example, the functions of the touch panel detection unit 172, the touch panel adjustment unit 173, the grip detection amount acquisition unit 174, or the grip detection amount conversion unit 175.
  • a program for realizing the above-described function is recorded on a computer-readable recording medium, and the program recorded on the recording medium is read into a computer system and executed to realize the above-described function.
  • the “computer system” is a computer system built in the terminal device 100 (100A) and includes an OS and hardware such as peripheral devices.
  • the “computer-readable recording medium” refers to a storage device such as a flexible medium, a magneto-optical disk, a portable medium such as a ROM or a CD-ROM, and a hard disk incorporated in a computer system. Furthermore, the “computer-readable recording medium” is a medium that dynamically holds a program for a short time, such as a communication line when transmitting a program via a network such as the Internet or a communication line such as a telephone line, In this case, a volatile memory inside a computer system that serves as a server or a client may be included that holds a program for a certain period of time.
  • the program may be a program for realizing a part of the functions described above, and may be a program capable of realizing the functions described above in combination with a program already recorded in a computer system.
  • a part or all of the terminal device 100 (100A) in the above-described embodiment may be realized as an integrated circuit such as an LSI (Large Scale Integration).
  • LSI Large Scale Integration
  • Each functional block of the terminal device 100 may be individually made into a processor, or a part or all of them may be integrated into a processor.
  • the method of circuit integration is not limited to LSI, and may be realized by a dedicated circuit or a general-purpose processor.
  • an integrated circuit based on the technology may be used.
  • One embodiment of the present invention can be applied to, for example, an input device, a control method, a program, and the like that need to appropriately adjust the sensitivity of a touch panel without causing a user to perform complicated operations.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • User Interface Of Digital Computer (AREA)
  • Position Input By Displaying (AREA)

Abstract

L'invention concerne un dispositif d'entrée équipé : d'un panneau tactile ; d'une unité de détection servant à détecter si le dispositif lui-même est en train d'être tenu, disposée dans le boîtier du dispositif lui-même ; et une unité de réglage servant à régler la sensibilité du panneau tactile, en fonction de la quantité de détection présente lors de la détection d'un contact avec le panneau tactile pendant que le dispositif est en train d'être tenu, lorsque l'unité de détection détecte que le dispositif est en train d'être tenu.
PCT/JP2015/053945 2014-02-14 2015-02-13 Dispositif d'entrée, procédé de commande et programme Ceased WO2015122489A1 (fr)

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JP2014026707A JP2015153173A (ja) 2014-02-14 2014-02-14 入力装置、制御方法、及びプログラム

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WO2024214912A1 (fr) * 2023-04-12 2024-10-17 삼성전자주식회사 Dispositif électronique de détection de contact avec un fluide par l'intermédiaire d'un capteur tactile

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012098828A (ja) * 2010-10-29 2012-05-24 Minebea Co Ltd 電子機器の入力装置及び入力制御方法
WO2013021858A1 (fr) * 2011-08-05 2013-02-14 Ｎｅｃカシオモバイルコミュニケーションズ株式会社 Unité d'entrée d'informations, procédé d'entrée d'informations et programme d'ordinateur
JP2013254331A (ja) * 2012-06-06 2013-12-19 Panasonic Corp 入力装置、入力支援方法及びプログラム
JP2014002547A (ja) * 2012-06-18 2014-01-09 Sharp Corp 携帯情報端末及びその制御方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012098828A (ja) * 2010-10-29 2012-05-24 Minebea Co Ltd 電子機器の入力装置及び入力制御方法
WO2013021858A1 (fr) * 2011-08-05 2013-02-14 Ｎｅｃカシオモバイルコミュニケーションズ株式会社 Unité d'entrée d'informations, procédé d'entrée d'informations et programme d'ordinateur
JP2013254331A (ja) * 2012-06-06 2013-12-19 Panasonic Corp 入力装置、入力支援方法及びプログラム
JP2014002547A (ja) * 2012-06-18 2014-01-09 Sharp Corp 携帯情報端末及びその制御方法

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