JP2010218175A - Touch instruction device and touch panel device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a touch instruction device operated by an electrostatic capacitance system, and a touch panel device provided with the touch instruction device. <P>SOLUTION: A liquid crystal display touch panel part 2 is arranged with an instruction operation board 51 provided with an instruction dielectric 52 for changing an electrostatic capacitance in a space with respect to a position sensor 31 on a face on an acrylic panel 13 side, to make a touch instruction part 3 of the touch panel part 2 operable along a direction separating and contacting from/with the acrylic panel 13, in an inner space of a frame body 41 formed cylindrical-shapedly of a nonconductive member, and is provided with a coming-off preventive member 43 and an instruction position regulating member 42, for regulating operation movement for the instruction operation board 51 within the inner space of the frame body 41, within an operable range between an OFF-position separated from the acrylic panel 13 and an ON-position near to the acrylic panel 13, and the instruction operation board 51 is energized along a direction separating from the acrylic panel 13, by an energizing member 60. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a touch instruction device and a touch panel device, and more particularly to a touch instruction device and a touch panel device that perform a touch operation by a capacitance method.

  Because it is both durable and water-resistant for both display and operation, a display touch panel with a touch panel superimposed on the surface of a display panel such as a liquid crystal display panel has come to be used. A function button is displayed on the panel so that a function process previously assigned to the function button corresponding to the touch-operated position can be executed.

  There are various methods as such a touch panel device, and one of them is a capacitive touch panel device. The capacitance type touch panel device has a capacitance generated between the surface of the touch panel touched by a finger and a plurality of touch sensors arranged in a matrix on the lower side of the touch panel. Is touched with a finger, the capacitance between the touch panel surface at the touched position and the touch sensor at the position facing the touch position changes, and the change in capacitance is determined by any touch sensor. The touch position is detected by detecting whether or not it has occurred.

  However, if the touch operation is performed with a gloved hand or a prosthetic hand that hardly changes the surface charge, the surface static electricity of the touch panel is hardly changed due to insulation, and thus the touch operation cannot be detected.

  Therefore, conventionally, a capacitive touch panel operation glove in which a conductor is attached to a touch panel operation surface of a fingertip has been proposed (see Patent Document 1).

  However, in the above prior art, since the conductor is attached to the finger part of the glove, it is necessary to wear the glove every time the touch panel is operated, and there is a problem that the usability is poor.

  Accordingly, an object of the present invention is to provide a touch instruction device and a touch panel device that can perform an appropriate touch operation in a state where the usability is good.

  In order to achieve the above-mentioned object, the present invention provides an inner portion of a frame member that is formed in a predetermined cylindrical shape with a predetermined non-conductive member and is formed in a direction in which the inner space of the cylindrical shape intersects the touch operation plate. An instruction operation member provided with a counter electrode member that changes the capacitance between the touch sensor and the touch sensor on the surface of the touch operation plate so as to be movable in a direction to be separated from or in contact with the touch operation plate. And the operation movement of the pointing operation member within the internal space of the frame member is within an operable range between an off position that is a predetermined distance away from the touch operation plate and an on position that is close to the touch operation plate. A restriction member for restriction is provided, and the urging means urges the instruction operation member in a direction away from the touch operation plate.

  Further, according to the present invention, the urging means maintains the instruction operation member in a predetermined stable half-press operation state at a half-press position where the urging means is a midway position within the operable range and the touch operation is in an off state. It may be characterized by having a half-pressed state maintaining structure.

  Further, according to the present invention, the urging unit includes a first urging unit and a second urging unit, and the first urging unit is at least between the half-pressed position and the off position. The second urging unit may urge the instruction operation member between the on position and the half-pressed position.

  Further, the present invention may be characterized in that the instruction operation member is formed of a transparent member, and an operation mark indicating an operation position is provided at a substantially central position on the counter electrode member of the instruction operation member. .

  Further, according to the present invention, the frame member has an opening in which a part of a side surface of the frame member is cut out over a predetermined length in the operation direction over a predetermined circumferential width so as to communicate the internal space with the outside. A portion is formed, the pointing operation member is formed into a shape that enters the opening of the frame member, and the counter electrode member is provided on the pointing operation member located in the opening. It may be a feature.

  According to the present invention, it is possible to appropriately perform a touch operation even with a finger that is not conductive, such as a thick gloved finger or a prosthetic finger, and the usability can be improved. .

1 is a schematic plan view of an operation display unit to which a first embodiment of the present invention is applied. The side view of a liquid crystal display panel part. The block block diagram of a controller. Side surface sectional drawing at the time of the non-operation of a touch instruction | indication part. Side surface sectional drawing at the time of ON operation of a touch instruction | indication part. The flowchart which shows a touch operation detection process. Side surface sectional drawing in the non-operation state in the switch instruction | indication part of 2nd Example, a half-pressed state, and the operation state. Side surface sectional drawing in the non-operation state in the other switch instruction | indication part of 2nd Example, a half-pressed state, and the operation state. The front view and top view of a touch instruction | indication part of 3rd Example.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, since the Example described below is a suitable Example of this invention, various technically preferable restrictions are attached | subjected, However, The range of this invention is unduly limited by the following description. However, not all the configurations described in the present embodiment are essential constituent elements of the present invention.

  1 to 6 are diagrams showing a first embodiment of the touch instruction device and the touch panel device according to the present invention, and FIG. 1 shows an apparatus to which the first embodiment of the touch instruction device and the touch panel device according to the present invention is applied. 3 is a plan view of an operation display unit 1. FIG.

  1, the operation display unit 1 includes a liquid crystal display touch panel unit 2, a touch instruction unit (touch instruction device) 3, a touch instruction storage unit 4, an operation unit 5, a voice output unit 6, a power switch 7, and the like. This is an operation display unit of a device such as a composite device, a copying machine, or a facsimile machine.

  As will be described in detail later, the touch instruction unit 3 is used to issue a touch instruction by moving the surface of the liquid crystal display touch panel unit 2 and performing an instruction operation at a position where the touch operation is desired. The storage unit (storage unit) 4 is a place that is stored when the touch instruction unit 3 is not used.

  Although not shown, the touch instruction storage unit 4 is provided with a winding mechanism unit (winding unit), and the winding mechanism unit and the touch instruction unit 3 are connected by a cable (string member) 8. ing. The winding mechanism unit winds the cable 8 with a predetermined winding force so that when the touch instruction unit 3 is used, the cable 8 can be moved at least on the entire surface of the liquid crystal display touch panel unit 2. When the operation force to the touch instruction unit 3 is lost, the cable 8 is wound up and the touch instruction unit 3 is pulled back to the touch instruction storage unit 4 for storage. The storage surface of the touch instruction storage unit 4 is the same height as the surface of the liquid crystal display touch panel unit 2, and the cable 8 is wound around the winding mechanism unit, so that the touch instruction unit 3 is liquid crystal. The liquid crystal display touch panel unit moves on the surface of the display touch panel unit 2 and smoothly enters the touch instruction storage unit 4, and the touch instruction unit 3 stored in the touch instruction storage unit 4 is slid by the finger P. 2 is movable.

  The operation unit 5 is provided with various operation keys (ten keys, function keys, etc.) for performing operations necessary for causing the device to perform an intended operation, and the audio output unit 6 operates the operation display unit 1. Various kinds of information notified to the user from the sound and the operation display unit 1 or the device to which the operation display unit 1 is applied are output as audio. The power switch 7 is used to turn on / off a device to which the operation display unit 1 is applied.

  As shown in FIG. 2, the liquid crystal display touch panel unit 2 includes a liquid crystal display panel unit 11, a touch panel unit 12, and an acrylic panel (touch operation plate) 13 that are sequentially stacked. It is a panel unit or the like, and displays various information notified from the device to the user and function buttons to which appropriate functions are assigned.

  In the touch panel unit 12, position sensors 31 (see FIG. 3) are formed in a matrix by detection lines formed in the X-axis direction and the Y-axis direction. The surface of the acrylic panel 13 touched by a finger and the acrylic panel 13 The electrostatic capacitance generated between the position sensors 31 arranged in a matrix on the lower side is touched by touching the surface of the acrylic panel 13 with the finger P or the touch instruction operation 3. The capacitance between the touch panel surface at the position and the position sensor 31 at the position opposite to the touch position changes, and the position sensor 31 detects the change in the capacitance, thereby detecting the touch. Detect position.

  A controller 20 of the operation display unit 1 is connected to the liquid crystal display panel unit 11 and the touch panel unit 12. The controller 20 includes a control unit 21, a ROM (Read Only Memory) 22, a RAM (Random Access Memory) 23, and a touch panel. A control unit 24, a liquid crystal display control unit 25, and the like are provided.

  A ROM (Read Only Memory) 22 stores a program for controlling the operation of the operation display unit 1 and necessary system data, and the RAM 23 is used as a work memory.

  The liquid crystal display control unit 25 controls the driving of the liquid crystal display panel unit 11 under the control of the CPU 21a of the control unit 21, and displays various information notified from the device to the user and function buttons to which appropriate functions are assigned. It is displayed on the panel unit 11.

  The control unit 21 includes a CPU (Central Processing Unit) 21a, a determination unit 21b, and the like. The CPU 21a controls each unit of the operation display unit 1 while using the RAM 23 as a work memory based on a program in the ROM 22. While performing the process as the operation display part 1, the touch operation control process using the touch instruction | indication part 3 mentioned later or the finger | toe P of a bare hand is performed. The determination unit 21b performs a touch determination process as to whether or not a touch operation has been performed using a touch threshold stored in the RAM 23 in a touch operation control process described later.

  The touch panel control unit 24 includes the position sensor 31, the switching circuit unit 32, the oscillation circuit unit 33, the conversion unit 34, and the like. The position sensor 31 is formed in the X-axis direction and the Y-axis direction as described above. A large number of detection lines are formed in a matrix.

  The oscillation circuit unit 33 has a transmission frequency corresponding to the capacitance between the position sensor 31 and the touch instruction unit 3 or the finger P between each of the position sensors 31 and the touch instruction unit 3 or the finger P. As the transmission circuit unit 33, an RC transmission circuit or the like is used.

  The switching circuit unit 32 switches, in a time division manner, which position sensor 31 is to be detected between the oscillation circuit 33 and the large number of position sensors 31 under the control of the control unit 21.

  The conversion unit 34 detects a high-frequency detection signal having a frequency corresponding to the capacitance between the touch instruction unit 3 or the finger P and each position sensor 31 by the oscillation circuit unit 33 according to the peripheral number. The voltage is converted into a voltage and output to the determination unit 21b of the control unit 21. The oscillation circuit unit 33, the switching circuit unit 32, and the conversion unit 34 are generated between the touch instruction unit 3 on the acrylic panel 13 and the position sensor 31 formed at a position facing the touch instruction unit 3 as a whole. Thus, it functions as an operation state detection unit that detects the touch operation state of the touch instruction unit 3 based on the capacitance that changes according to the touch operation state of the touch instruction unit 3.

  The determination unit (determination means) 21 compares the detection voltage input from the conversion unit 34 with the switch-on threshold voltage stored in advance in the ROM 22 or the like, and turns on / off the position sensor 31, that is, the position sensor 31. Then, it is determined whether the touch instruction unit 3 is instructed or the finger P is touched.

The CPU 21a displays the liquid crystal display control unit 25 at the position of the position sensor 31 based on the determination result of the determination unit 21b. The touch instruction unit 3 is stored as shown in FIGS. The member 40, the pointing member 50 that is movably held in the storage member 40, and a biasing member 60 that biases the pointing member 50 in a direction away from the acrylic panel 13 are provided, and the storage member 40 has a substantially cylindrical shape. The acrylic panel 13 in a state in which the formed frame body (frame member) 41 and the storage member 40 are placed on the acrylic panel 13 in a state where an instruction operation is possible (a state where the axis of the cylinder is orthogonal to the surface of the acrylic panel 13). The pointing position restricting member 42 that restricts the position of the pointing member 50 in the storage member 40 to the acrylic panel 13 side and the pointing member in the frame 41 are prevented from coming out of the frame 41. A slip prevention member 43. The housing member 40 has at least a frame body 41 formed of a non-conductive member (insulating member), and at least a surface of the frame body 41 in contact with the acrylic panel 13 can move smoothly on the acrylic panel 13. Surface finish to the state. Note that the frame body 41 is not limited to a cylindrical shape, and the shape thereof is not limited as long as the frame body 41 is formed in a rectangular tube shape, a pentagonal tube shape, or a hexagonal tube shape.

  The instruction member 50 includes an instruction operation plate (instruction operation member) 51 formed in a disc shape having a predetermined thickness that can move in the axial direction within the cylindrical frame 41, and an acrylic panel of the instruction operation plate 51. An indicator dielectric (counter electrode member) 52 attached to the surface on the 13th side, and the indicator operation plate 51 is movable in the frame 41 between the indicator position regulating member 42 and the removal preventing member 43. It is stored in.

  As shown in FIG. 5, the pointing position regulating member 42 can pass at least the pointing dielectric 52 attached to the lower surface (the surface on the acrylic panel 13 side) of the pointing operation plate 51, but the pointing operation plate 51 can pass therethrough. It is formed in a ring shape in which a hollow portion of an impossible size is formed, and the thickness of the indicator dielectric 52 and the upper surface of the indicator operation plate 51 (the surface opposite to the acrylic panel 13) are the indicator operation plate. When the lower surface of 51 is in contact with the upper surface of the pointing position restricting member 42 and the movement in the direction of the acrylic panel 13 is restricted (on position), the pointing dielectric 52 attached to the lower surface of the pointing operation plate 51 The lower surface (the surface on the side of the acrylic panel 13) is set in a relationship that is in contact with or close to the acrylic panel 13. Further, the removal prevention member 43 appropriately prevents the instruction operation plate 51 from falling off, and forms a hollow portion that is easy to operate when the instruction operation plate 51 is pressed down with the finger P in the direction of the acrylic panel 13. It is formed in a ring shape.

  The urging member (biasing means) 60 is an elastic member having a predetermined elasticity, such as a leaf spring, and is disposed on the indicated position regulating member 42. As shown in FIG. 3, the urging member 60 urges the instruction operation plate 51 in the direction of the removal prevention member 43, and when the instruction operation plate 51 is not depressed, the instruction operation plate 51 is removed. The state is pressed to 43 (off position). The instruction operation plate 51 moves as an operable range between an off position where the instruction operation plate 51 is in contact with the removal prevention member 43 and an on position where the instruction operation plate 51 is in contact with the instruction position regulating member 42.

  Next, the operation of this embodiment will be described. The operation display unit 1 according to the present embodiment presses the touch instruction unit 3 provided on the capacitive touch panel unit 12 at an intended position on the acrylic panel 13 to put on a gloved state. Touch operation can be performed appropriately and easily even with a prosthetic hand.

  That is, the operation display unit 1 displays various information, function buttons, and the like on the liquid crystal display panel unit 11 via the liquid crystal display control unit 25 under the control of the CPU 21a of the control unit 21 in the liquid crystal display touch panel unit 2, and normal gloves By touching with a bare finger P that does not fit, the function buttons can be touched and the like, and the touch instruction unit 3 stored in the touch instruction storage unit 4 is pulled out to function as intended. By pressing the instruction operation plate 51 on the button (instruction operation), the touch operation of the function button can be performed.

  That is, in the controller 20, as shown in FIG. 6, the switching circuit unit 32 of the touch panel control unit 24 sequentially connects to each position sensor 31 (step S101), and each position sensor 31 and the finger P or the touch instruction unit. The detection signal frequency-modulated according to the capacitance formed between the three indicator dielectrics 52 is output to the conversion unit 34 (step S102), and the conversion unit 34 responds to the frequency of the detection signal. It converts into a detection voltage value, and outputs it to the determination part 21b of the control part 21 (step S103).

  That is, when a touch operation is performed by the touch instruction unit 3, when the transparent capacitance in the position sensor 31 is C, the capacitance C is expressed by the following equivalent expression (1).

C = ε * S / d (1)
Here, ε is the relative dielectric constant of the approximate ferroelectric, S is the surface area of the indicator dielectric 52, and d is the distance between the indicator dielectric 52 and the position sensor 31.

  The determination unit 21b compares the detected voltage with the switch-on threshold voltage stored in advance in the ROM 22 or the like, and turns on or off the position sensor 31, that is, whether the touch instruction unit 3 is instructed by the position sensor 31. Alternatively, it is determined whether or not the finger P has been touched (step S104), and if it is determined that the touch operation has not been performed, the process returns to step S101 to similarly determine the presence or absence of the touch operation on the next position sensor 31. (Steps S101 to S104).

  When the determination unit 21b determines that a touch operation has been performed in step S104, the CPU 21a determines the pressed position and performs a touch operation reception process (step S105), and performs a touch operation such as a buzzer from the audio output unit 6. After outputting the notification of acceptance, processing corresponding to the function assigned to the function button displayed at the touch position is performed, or the screen display of the liquid crystal display panel unit 11 is performed via the liquid crystal display control unit 25. Processing such as changing is performed (step S106).

  And when performing the said touch operation with the touch instruction | indication part 3, a user pulls out the touch instruction | indication part 3 from the touch instruction | indication storage part 4 with the finger | toe P with gloves, the finger P of a prosthetic hand, etc., and a liquid crystal display touch panel The part 2 is slid on the acrylic panel 13 and moved to the intended touch position. At this time, the touch instruction unit 3 moves while the bottom surface of the frame body 41 of the storage member 40 is in contact with the top surface of the acrylic panel 13, but the bottom surface of the frame body 41 is in a state where it can move smoothly on the acrylic panel 13. Since it has a surface finish, it can be moved smoothly.

  When the user moves the axial center of the frame 41 to the intended touch position, the pointing operation plate 51 of the pointing member 50 is directed toward the acrylic panel 13 with the finger P as shown in FIG. Press down until it comes into contact with the pointing position regulating member 42.

  When the instruction operation plate 51 is pressed, the instruction dielectric 52 moves in the direction of the acrylic panel 13 in response to the instruction operation plate 51 being pressed, and is pressed to a position where the instruction moving body 51 contacts the instruction position regulating member 42. Then, the electrostatic capacitance between the indicating dielectric 52 and the position sensor 31 at the pressed position becomes the electrostatic capacitance in a state in which the determination unit 21b detects the touch operation ON as described above.

  When the user receives a touch operation acceptance notification such as a buzzer sound, the user releases the pressing operation of the instruction moving body 51 and slides the touch instruction unit 3 on the surface of the acrylic panel 13 to a position where the next touch operation is desired. Thus, the touch operation can be sequentially performed by moving and performing a pressing operation in the same manner as described above. When all the touch operations are completed, the user releases his / her finger from the touch instruction unit 3.

  When the operation by the user is finished and released, the touch instruction unit 3 is connected to the winding mechanism unit by the cable 8, so that the cable 8 is wound by the winding mechanism unit, so that the touch instruction storage unit It is pulled back to 4 and stored in the touch instruction storage unit 4.

  As described above, the liquid crystal display touch panel unit 2 of the operation display unit 1 of the present embodiment has the touch instruction unit 3 formed in a cylindrical shape with a non-conductive member, and the cylindrical internal space intersects with the acrylic panel 13. Capacitance between the surface sensor 31 and the position sensor 31 on the surface of the acrylic panel 13 so that it can be operated and moved in the direction of separating from the acrylic panel 13 in the internal space of the frame body 41 formed in the direction. An instruction operation plate 51 provided with an instruction dielectric 52 for changing the position is disposed, and the operation movement of the instruction operation plate 51 in the inner space of the frame 41 is separated from the acrylic panel 13 by a predetermined distance from the acrylic panel. 13 is provided with a preventing member 43 and an indicating position restricting member 42 for restricting the operable range between the ON position and the ON position close to 13, and the urging member 60 is used to attach the indicating operation plate 51 to the acrylic panel 1. It is biased in a direction away from.

  Accordingly, the touch operation is appropriately performed by operating the instruction operation plate 51 of the touch instruction unit 3 with a finger P in a state having no conductivity, such as a finger P wearing a thick glove or a finger P of a prosthetic hand. Can improve usability.

  FIG. 7 is a side sectional view of the touch instruction unit 70 of the operation display unit to which the second embodiment of the touch instruction device and the touch panel device of the present embodiment is applied.

  The present embodiment is applied to an operation display unit similar to the operation display unit 1 of the first embodiment. In the description of the present embodiment, the same components as those of the first embodiment are described. The same reference numerals are used to omit or simplify the description, and portions not shown will be described using the same reference numerals used in the description of the first embodiment as necessary.

  In FIG. 7, the touch instruction unit 70 includes a storage member 40 similar to the touch instruction unit 3 of the first embodiment and an instruction member 50 that is movably held in the storage member 40. Is urged in a direction away from the acrylic panel 13. 7A is a side sectional view of the touch instruction unit 70 in a non-operation state, FIG. 7B is a side sectional view of the touch instruction unit 70 in a half-pressed state, and FIG. It is side surface sectional drawing of the touch instruction | indication part 70 at the time of operation.

  The urging member (biasing means) 71 is an elastic member having a predetermined elasticity, for example, a leaf spring or the like, and is disposed on the pointing position regulating member 42, as shown in FIGS. 7 (a) and 7 (b). As shown, the instruction operation plate 51 is urged toward the removal preventing member 43. When the instruction operation plate 51 is not depressed, the urging member 71 urges the instruction operation plate 51 against the removal preventing member 43 as shown in FIG. FIG. 7B shows the intermediate position between the touch operation position where the plate 51 abuts on the indicated position regulating member 42 shown in FIG. 7C and the non-press operation position shown in FIG. The half-pressed position shown in FIG. 2 has a function of holding in a predetermined stable half-pressed state. For example, when a plate-like elastic body such as a leaf spring is used, the biasing member 71 has an end opposite to the end attached to the pointing position regulating member 42 of the biasing member 71. As shown in FIG. 7 (b), a predetermined stable half-pressed state is maintained by contacting the pointing position regulating member 42 at this half-pressed position. In the halfway-pressed instruction operation plate 51, the position of the instruction dielectric 52 is set to a position at which the touch operation is determined to be off by the determination unit 21b. That is, the urging member 71 has a half-pressed state maintaining structure in which the tip end abuts against the pointing position regulating member 42 in the half-pressed state to maintain the half-pressed state.

  When the instruction operation plate 51 is further pressed against the urging force of the urging member 71 from the half-pressed position, as shown in FIG. It moves to the touch operation position where it comes into contact with the designated position regulating member 42.

  Although not shown, the touch instruction unit 70 is connected to a winding mechanism unit disposed in the touch instruction storage unit 4 by a cable 8 (not shown), and the touch instruction unit is instructed by the winding mechanism unit via the cable 8. It is stored in the storage unit 4.

  That is, in the touch instruction unit 70 of this embodiment, the biasing member 71 holds the instruction operation plate 51 in a half-pressed state where the touch operation is in the off position, as shown in FIG. The touch instruction unit 70 can be moved on the acrylic panel 13 to a position where the user wants to perform the next touch operation in a state where the instruction operation plate 51 in which the touch operation is off is pressed halfway. The operability can be improved.

  As described above, the touch instruction unit 70 according to the present embodiment stabilizes the instruction operation plate 51 at a predetermined stable position at the half-pressed position where the urging member 71 is in the middle of the operable range and the touch operation is in the off state. It has a half-pressed state maintaining structure that is maintained in a half-pressed operation state.

  Accordingly, in a state where the finger P wearing the glove or the finger P of the prosthetic hand is pressed half-pressed on the instruction operation plate 51 of the touch instruction unit 70, the touch instruction unit 70 is placed at a place where the next touch operation is desired on the acrylic panel 13. The operability can be further improved.

  In the case of the present embodiment, for example, as shown in FIGS. 8A to 8C, the touch instruction unit 80, the first urging member (first urging means) 81 and the second urging member are used. Two urging members (second urging means) 82 may be provided. 8A is a side sectional view of the touch instruction unit 80 in a non-operation state, FIG. 8B is a side sectional view of the touch instruction unit 80 in a half-pressed state, and FIG. It is side surface sectional drawing of the touch instruction | indication part 80 at the time of operation.

  In this case, until the instruction operation plate 51 is pushed down to the half-pressed position, the instruction operation plate 51 is urged in the direction away from the acrylic panel 13 only by the first urging member 81, and the instruction operation plate 51 is half-pressed. When pushed down, the urging force of the second urging member 82 acts, and a half-pressed state is established in a predetermined stable holding state. That is, during the period from the off position where the instruction operation plate 51 abuts against the removal preventing member 43 to the half-pressed position, only the first urging member 81 urges the instruction operation plate 51 and the instruction operation plate 51 is half-pressed. The first urging member 81 and the second urging member 82 urge the instruction operation plate 51 from the ON position to the ON position where the instruction operation restricting member 42 abuts.

  In this way, the half-pressed state of the instruction operation plate 51 can be further stabilized, and the operability of the touch instruction unit 70 can be improved.

  Note that only the first biasing member biases the instruction operation plate 51 between the half-pressed position and the off position, and only the second biasing member only indicates the instruction operation plate 51 between the on-position and the half-pressed position. May be energized. In this case, the urging force of the second urging member is set larger than the first urging member by a predetermined amount.

  FIG. 9 is a front view and a plan view of the touch instruction unit 90 of the operation display unit to which the third embodiment of the touch instruction device and the touch panel device of the present embodiment is applied.

  The present embodiment is applied to an operation display unit similar to the operation display unit 1 of the first embodiment. In the description of the present embodiment, the same components as those of the first embodiment are described. The same reference numerals are attached and the description thereof is omitted or simplified, and portions not shown will be described using the same reference numerals used in the description of the first embodiment as necessary.

  9A and 9B, the touch instruction unit 90 is similar to the touch instruction unit 12 of the first embodiment and the touch instruction unit 70 of the second embodiment. An urging member (not shown) is provided. The storage member 100 has a substantially pentagonal frame body (frame member) 101 and a pointing position restriction plate (restriction member) 102, and the removal prevention member 43 provided in the first and second embodiments is In the storage member 100 of the present embodiment, it is formed integrally with the frame body 101 as a removal preventing portion (regulating member) 101a. The frame body 101 has a pentagonal tip corner cut off, and the inside of the frame body 101 is formed into an opening 101b that opens to the outside. Light enters the frame body 101 from the outside through the opening 101b. It is easy to configure.

  An instruction member 110 is movably accommodated in the frame body 101. The instruction member 110 includes an instruction operation plate 111 formed in a substantially pentagon shape in accordance with the shape of the frame body 101 and a back surface of the instruction operation plate 111 ( The indicator dielectric (facing member) 112 is attached to the surface of the acrylic panel 13. As shown in FIG. 9B, an operation position mark (operation mark) M with a “+” mark indicating the touch operation position is given to the center of the position where the instruction dielectric 112 of the instruction operation plate 111 is attached. The operation position mark M is not limited to the “+” mark, and any appropriate mark can be used as long as the touch operation position can be clearly understood.

  Similar to the instruction operation plate 51 of the first and second embodiments, the instruction operation plate 111 is entirely prevented from being removed by a biasing member (not shown) between the removal prevention portion 101a and the instruction position regulating plate 102. The entire pointing operation plate 111 is housed in the frame 101 so as to be movable in the direction away from the acrylic panel 13 and in the direction away from the acrylic panel 13. The instruction operation plate 111 is not limited to the case where the instruction operation plate 111 is housed in the frame 101 in a state where the instruction operation plate 111 is moved with respect to the acrylic panel 13 as described above. The end portion on the side of the indicator dielectric 112 is urged by a urging member (not shown) in a direction away from the acrylic panel 13. Also good. In this case, when the operation position mark M portion of the pointing operation plate 111 is pressed, only the end portion on the pointing dielectric 112 side rotates in the direction of the acrylic panel 13, and when the pressing is released, the urging member As a result, the frame body 101 is rotated in a direction away from the acrylic panel 13 to a position where the frame body 101 comes into contact with the removal prevention portion 101a.

  In the touch instruction unit 90, at least the instruction operation plate 111 is formed of a transparent member, and the touch position can be visually recognized through the instruction operation plate 111. It should be noted that other members such as the frame body 01 and the indicator / locality member 102 may also be formed of a transparent member. In this way, external light is transmitted through the instruction operation plate 111 and the opening 101b of the frame body 101. In addition to taking in, it can be taken into the frame 101 through the frame 101, and the visibility of the intended touch position can be further improved.

  Although not shown, the touch instruction unit 90 is connected to a winding mechanism unit disposed in the touch instruction storage unit 4 by a cable 8 (not shown), and the touch instruction unit 90 receives a touch instruction from the winding mechanism unit via the cable 8. It is stored in the storage unit 4.

  That is, the touch instruction unit 90 according to the present embodiment is moved while visually recognizing a position where the user wants to perform a touch operation through the instruction operation plate 111, and is provided on the upper portion of the instruction dielectric 102 at an intended touch operation position. When the operation position mark M is pressed, the controller 20 detects the pressing operation and performs touch detection.

  Therefore, the visibility of the touch operation position can be improved, and the operability can be further improved.

  The invention made by the present inventor has been specifically described based on the preferred embodiments. However, the present invention is not limited to that described in the above embodiments, and various modifications can be made without departing from the scope of the invention. It goes without saying that it is possible.

  The present invention can be used for a touch panel device that detects a touch operation by a capacitance method.

DESCRIPTION OF SYMBOLS 1 Operation display part 2 Liquid crystal display touch panel part 3 Touch instruction | indication part 4 Touch instruction | indication storage part 5 Operation part 6 Audio | voice output part 7 Power switch 8 Cable 11 Liquid crystal display panel part 12 Touch panel part 13 Acrylic panel 20 Controller 21 Control part 21a CPU
21b determination unit 22 ROM
23 RAM
Reference Signs List 24 Touch Panel Control Unit 25 Liquid Crystal Display Control Unit 31 Position Sensor 32 Switching Circuit Unit 33 Oscillation Circuit 34 Conversion Unit P Finger 40 Storage Member 41 Frame 42 Pointing Position Restricting Member 43 Removal Preventing Member 50 Pointing Member 51 Pointing Operation Plate 52 Pointing Dielectric 60 urging member 70 touch instructing part 71 urging member 80 touch instructing part 81 first urging member 82 second urging member 90 touch instructing part 100 storage member 101 frame body 101a drop prevention part 101b opening part 102 pointing position regulating plate 110 indicating member 111 indicating operation plate 112 indicating dielectric M operation position mark

JP 2008-81896 A

Claims (7)

A touch instruction device used in a touch panel device that detects an on / off state of a touch operation at a predetermined operation position on the surface of a touch operation plate based on a change in capacitance generated in a touch sensor,
A frame member formed in a predetermined cylindrical shape with a predetermined non-conductive member and formed in a direction in which the cylindrical internal space intersects the touch operation plate;
An instruction operation member disposed so as to be operable and movable in a direction of separating from and coming into contact with the touch operation plate within the internal space of the frame member;
A counter electrode member that is provided on a surface of the instruction operation member on the touch operation plate side and changes the capacitance with the touch sensor according to an operation position of the instruction operation member;
The operation movement of the instruction operation member in the internal space of the frame member is restricted to an operable range between an off position that is a predetermined distance away from the touch operation plate and an on position that is close to the touch operation plate. A regulating member;
Biasing means for biasing the instruction operation member in a direction away from the touch operation plate;
A touch pointing device comprising:   The biasing means has a half-pressed state maintaining structure that maintains the pointing operation member in a predetermined stable half-pressed operation state at a half-pressed position that is an intermediate position within the operable range and the touch operation is in an off state. The touch instruction apparatus according to claim 1, wherein the touch instruction apparatus is provided.   The urging means includes first urging means and second urging means, and the first urging means urges the instruction operation member at least between the half-pressed position and the off position, The touch instruction apparatus according to claim 2, wherein the second urging unit urges the instruction operation member between the on position and the half-pressed position.   The said instruction | indication operation member is formed with a transparent member, and the operation mark which shows an operation position is provided in the upper approximate center position of the said counter electrode member of this instruction | indication operation operation member. The touch instruction device according to any one of the above. The frame member has an opening that communicates the internal space with the outside by cutting out a part of the side surface in the circumferential direction over a predetermined circumferential width over a predetermined length in the operation direction. ,
The instruction operation member is formed in a shape that enters the opening of the frame member,
5. The touch instruction device according to claim 1, wherein the counter electrode member is provided on the instruction operation member located in the opening. 6. A touch instruction means for performing an on / off operation of a touch at a predetermined operation position on the surface of the touch operation board;
The capacitance is generated between the touch instruction unit on the touch operation plate and a touch sensor formed at a position facing the touch instruction unit, and changes in capacitance according to the touch operation state of the touch instruction unit. Operation state detecting means for detecting the touch operation state of the touch instruction means based on
A determination unit that determines an on / off state of a touch operation by the touch instruction unit according to a detection result of the operation state detection unit;
A touch panel device comprising:
A touch panel device comprising the touch instruction device according to any one of claims 1 to 5 as the touch instruction means. The touch panel device
A storage unit formed on the touch operation plate at a position deviated from the touch operation plate and substantially on the same plane;
Winding means for storing the touch device in the storage unit by being connected to the touch device by a string-like member and winding the string-like member;
The touch panel device according to claim 6, further comprising:

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