TW565867B - Multidirectional input device - Google Patents

Abstract

The subject of the present invention is to provide a structure of a multidirectional input device capable of detecting pressurizing direction as well as tilting direction, while wiring is simplified and the device is miniaturized. To solve the problem, a pair of conductive seats 3 and 4 where a conductive part is formed on an opposed surface are separated with an insulating spacer 5, and are provided with a spacer seat 2 where a resistor layer 4c and azimuth detecting electrode parts 4e, 4f, 4g, and 4h are formed on a conductive part of at least one of conductive seats; and an operation member 6 which, provided on the spacer seat 2 for tilting, tilts to establish an electrical continuity between opposed conductive seats 3 and 4. Pressurizing switch means 3d and 4d, which detect a center position when the operation member 6 is pressurized, are formed at the center of the sensor seat 2.

Description

565867 玖 发明, description of the invention (the description of the invention should state: the technical field to which the invention belongs, the prior art, the content, the embodiments, and the simple description of the drawings) [Technical Field of the Invention] The present invention relates to the structure of a multi-directional input device. It is a structure for a multi-directional input device that can detect a signal even by a pressing operation of an operating member by a tilting operation of an operating member, which generates a signal corresponding to the dumping direction. [Prior art] The multi-directional input device is mainly used as a function selection of a mobile phone or the like, and is mainly used as an analogue front direction detection device or the like. The structure of the multidirectional input device in the past is generally known as a structure using a small sheet. The structure of the multi-directional input device using the small sheet includes: a small sheet, which is arranged on the contact surface of two sheets facing each other, and forms a uniform resistance layer by means of printing and the like, and is arranged between the sheets. Those separated by dot spacers; and operating members, which are arranged on the small sheet, and have operating button portions that can be tilted in the vertical and horizontal (up, down, left and right) directions. When the multi-directional input device operates, the operation button portion of the operation member is tilted to a desired direction, and the pressing operation portion provided on the lower side of the operation member will press any position of the small sheet. By this pressing, the resistance layers at arbitrary positions between the two sheets of the small sheet will contact each other, and the potential at the pressing position is read through the electrode portion for orientation measurement formed on the small sheet, thereby calculating the XY coordinates position. [Problems to be Solved by the Invention] Only in the structure of the above-mentioned multi-directional input device, only the tilting direction of the operation button portion can be measured, for example, in the function selection 565867 ⑺ of the mobile phone, the operation button portion is used. The menu selection is carried out by dumping. When the selected function is continuously determined, there will be problems that cannot be coped with. | To cope with this, although the lower part of the small sheet is considered, the circuit of the switch for orientation detection and the switch for pressing is considered. ^ In addition to the complexity of the assembly operation, there are other problems that cannot be solved by the device. Therefore, in the present invention, in order to solve the above-mentioned problems, in addition to the measurement provided, the measurement of the pressing direction is also possible, and at the same time, the structure of a multi-directional input device that can be miniaturized to achieve device miniaturization [solution to the problem] As a first means of the present invention for solving the above-mentioned problems, the invention includes a multi-directional input device, characterized in that it includes: a pair of conductive sheets 5 forming a conductive portion on the facing surface, a pair of conductive sheets 5 separated by a spacer, and the aforementioned conductive sheet Within the material, at least one conductive portion of the material forms an azimuth tester connecting the resistive layer to it; and an operating member which is capable of pouring on the spacer sheet to conduct conduction between the aforementioned conductive sheets which are opposed by the pouring ; It should be the center of the sheet, formed by the pressing switch means measured when the aforementioned operating member is pressed. As a second means, the pressing switch means is a sheet; and a reversing spring having a dome-shaped bulge formed on the sensor; and the reversing spring having a bulge formed between the and Corresponding position of the central position of the piece which can be placed on the aforementioned induction sheet. Description of the invention continued: page round discussion I follow the fiber __ Jijiang negotiation face I: here and want to make sure that the switch is pressed, the method is common, so the problem of thinning, except the direction of dumping, the line is simplified: for the purpose. It is characterized by including the induction sheet, 1. It is arranged by the electrode part for the conductive sheet on the insulation side, and it is located at the aforementioned induction position including: the top of the central part of the aforementioned sheet is the aforementioned operation part 565867 _ ( 3) The invention description sheet is the third means, wherein the pressing switch means includes: a gap portion formed in the center of the induction sheet and formed by cutting off a non-conductive area of a portion of the conductive portion; And a contact portion for a push switch is formed in the gap portion, and is contacted when the operation member is pressed. As a fourth means, the operation member is provided with: an operation button portion for dumping and pressing an operator; and a pressing operation portion for pressing the induction sheet; and the operation button portion and the pressing operation A click spring is provided between the parts, which is a click sensation when the operation member is pressed. As a fifth means, the contact part for the aforementioned push switch includes: a fixed contact, which is formed by printing on a conductive sheet that is one of the aforementioned induction sheets; and a movable contact made of metal, which is connected with This fixed contact is arranged oppositely and has a bulging portion that can be reversed when pressed. As a sixth means, a through-hole is formed in a void portion formed by the other conductive sheet of the induction sheet, and the through-hole can be directly pressed by the pressing action portion of the operating member to bulge the movable contact. unit. As a seventh means, the aforementioned induction sheet includes a sheet formed by forming a uniform resistive layer on two opposing contact surfaces and separating the entire resistive layer with an insulating spacer. [Embodiments of the invention] The following embodiments of the present invention are shown in Figs. 1 to 12. Fig. 1 is a longitudinal sectional view of a multi-directional input device, Fig. 2 is an operation explanatory diagram showing a conductive state of an induction sheet, Fig. 3 is a plan view of an upper conductive sheet, and Fig. 4 is a lower guide 565867 _ (4) I Description of the invention Sulfur sheet: Bottom view of electric sheet, Figure 5 is a plan view of a modified example of the upper conductive sheet, Figure 6 is a bottom view of a modified example of the lower conductive sheet, and Figure 7 is a diagram of a movable contact provided on the induction sheet Partial explanatory diagram of the state, FIG. 8 is a block diagram of a signal processing circuit, FIGS. 9 to 12 are other embodiments, and FIG. 9 is a partial explanatory diagram of an induction sheet and a reverse spring, FIG. 1 0 is a plan view of an upper conductive sheet; FIG. 11 is a bottom view of a lower conductive sheet; and FIG. 12 is a block diagram showing a signal processing circuit. 1 to 6 show a first embodiment of the present invention. In the figure, the box 1 is formed in a box shape with an insulating material such as a synthetic resin. A bottom-like storage portion 1 a is provided in the opening of the box 1, and an induction sheet made of an insulating resin sheet such as polyimide or PET is arranged at the bottom of the storage portion 1 a. 2. The above-mentioned induction sheet 2 is formed by a pair of upper conductive sheets 3 and lower conductive sheets 4 forming one of the conductive portions on the opposite sides, and the same is formed with the same insulating resin sheet interposed therebetween. The spacers 5 are insulated from each other. The upper conductive sheet 3 is formed of a substantially circular substrate portion 3a and a long-shaped connecting portion 3b extending from one end of the substrate portion 3a, as shown in Fig. 3. On the bottom surface side of the substrate portion 3 a, a conductive carbon layer is printed, and a central portion is cut away to form an upper electrode layer 3 c in a donut shape, and approximately spans the substrate portion 3. a is installed as a whole. In addition, a fixed contact 3d for a push button switch is formed in a central void portion of the upper electrode layer 3c by printing a carbon layer having the same conductivity. The fixed contact 3 d is separated from the upper electrode layer by a central void portion and is in a non-conductive state. 565867 (5) Description of the invention on the connection portion 3b, forming a guide portion 3e drawn from the upper electrode layer 3c; on the surface side of the connection portion 3b facing the guide portion 3e , Forming the guide portions 3 f respectively drawn from the fixed contacts 3 d. As shown in Fig. 4, the lower conductive sheet 4 is also formed of a substantially circular substrate portion 4a and a long-shaped connecting portion 4b extending from one end of the substrate portion 4a. On the upper side of the substrate portion 4 a, a conductive carbon layer or the like is printed, and a central portion is cut away to form a donut-shaped lower resistance layer 4 c, which roughly crosses the substrate portion 4. a is installed as a whole. In addition, a fixed contact 4d for a button or a switch is formed in the central void portion of the lower resistive layer 4c by printing a carbon layer or the like having the same conductivity. The fixed contact 4d is separated from the lower resistance layer 4c by a central void portion and is in a non-conductive state. The lower resistance layer 4c is connected to the four corner portions of the outer edge portion in the left, top, right, and bottom directions, respectively, to form azimuth measurement electrode portions 4e, 4f, 4g, and 4h. On the connection portion 4b, guide portions 4i, 4j, 4k, and 41 drawn from the electrode portions 4e, 4f, 4g, and 4h are formed, and a guide portion 4m drawn from the fixed contact 4d is further formed. 5 and 6 show modified examples of the upper conductive sheet 3 and the lower conductive sheet 4. In this case, the shapes of the substrate portions 3a and 4a are not substantially circular, but are formed in a rectangular shape, and Accordingly, the shapes of the upper electrode layer 3 c and the lower resistance layer 4 c are also formed in a rectangular shape. The positions of the electrode portions 4e, 4f, 4g, and 4h where the aforementioned lower resistive layer 4c is connected are measured at the four corner portions formed on the diagonal line of the outer edge portion. On the upper surface of the induction sheet 2, an operation member 6 disposed in the storage portion 1 a of the case 1 to be tiltably stored. The operating member 6 is formed of silicone rubber or 565867 _ (6) I invention description sheet has a flexible elastic resin and other insulating materials, and is provided: a base portion 6a, which is fixed to the storage portion 1 a of the aforementioned box 1 The elastic wrist 6b is formed by the base 6a which can be bent and deformed; the operation protrusion 6c is formed at the center of the elastic wrist 6b; and the pressing action portion 6d is the pressing of the aforementioned sensing piece The material 2 is formed on the upper portion of the operation protrusion 6 c as an operation knob 6 e operated by a finger or the like.

In addition to the tilting operation of the operation button portion 6e, the operation member 6 can also perform a button (press) operation at a sensing position. Between the operation button portion 6e and the pressing operation portion 6d, in order to make the operation member 6 Click feeling occurs when pressed, and a click spring 7 made of a metal plate with a dome-shaped bulge is provided inside. The aforementioned click pop 7 is provided in the aforementioned operating member 6 so as to obtain the clicking feeling during the pressing operation and improve the operability. In addition, since the click spring 7 is provided in the operation member 6, the device can be made smaller in the thickness direction.

FIG. 2 shows a state where the operation member 6 is pressed. In this case, by pressing the pressing actuating part 6d on the upper surface of the induction sheet 2, the upper conductive sheet 3 is bent downward, and is used as a contact portion for the push switch at the induction position of the upper conductive sheet 3. The aforementioned fixed contact 3 d; and the inductive position formed on the aforementioned lower conductive sheet 4, the aforementioned fixed contact 4 d as a contact portion for a push switch will contact and be conducted, thereby passing through the aforementioned guide portions 3 f and 4 m The output signal can detect the pressing operation. In the above-mentioned configuration, since the fixed contacts 3 d and 4 d as the contact portions for the push switch are arranged oppositely in the surface of the induction sheet 2, the lines can be shared, which facilitates the assembly operation and can be sought. Thinning of the device. -10- 565867 发明 Description of the invention Continuation page: Fig. 7 shows the second embodiment of the aforementioned induction sheet 2. In this case, the configuration of the contact portion for the push button switch formed on the aforementioned induction sheet 2 is partially different. . That is, in this embodiment, the configuration is the aforementioned fixed contact 3 d formed at the sensing position of the aforementioned upper conductive sheet 3, and is replaced by a metal made with a reversible bulge when pressed. Movable contact 8. In this way, the fixed contact 3 d of the upper conductive sheet 3 serving as the contact portion for the switch is formed by the reversible metal movable contact 8 described above, because the click spring and the switch for pressing are used for pressing. The movable contact can be used in combination. Therefore, the aforementioned click spring 7 is not required to be installed in the operation member 6, and the number of parts can be reduced. At the same time, the assembly can be simplified, and low-cost correspondence can be achieved. Although not shown in the figure, a through hole is formed in the void portion formed in the center of the upper conductive sheet 3 of the induction sheet 2, and through the through hole, the structure is capable of expanding the movable contact 8. The part is directly pressed by the pressing operation part 6 d of the operation member 6, so that even if the movable contact 8 is formed by a narrow line, for example, the top of the bulging part can be directly operated by the pressing operation part 6 d. Since contact can be surely obtained, the device can be miniaturized and thinned. Next, the measurement of the dumping operation position (orientation) of the operation member 6 will be described with reference to FIG. 8. The induction sheet 2 is used for measuring the orientation of the resistance layer 4 c provided on the lower conductive sheet 4, and a voltage is applied between the left and right electrode portions 4 e and 4 g and the upper and lower electrode portions 4 f and 4 h. At this time, the current changes the voltage due to the distance passing through the resistor (Ohm's Law), so it is orthogonal to the straight line connecting the electrode parts. 565867 (8) I Description of the invention The continuation page will form an equipotential line. When the potential line moves toward the center of the straight line, the interval will become wider, and it will gradually increase when moving to the left and right (or up and down), and it will be symmetrical up and down (or left and right).

When the upper electrode layer 3c of the upper conductive sheet 3 is in contact with the lower resistance layer 4c at a position (shown as P1 in the figure), the left and right electrode portions 4e, The first voltage between 4g and the second voltage between 4f and 4h of the upper and lower electrode portions. In this case, since the first and second voltage combinations at a certain position of the lower resistance layer 4 c are unique, the position of P 1 can be determined by measuring the two voltages. In addition, inputting the relationship data between the two voltages and positions into the control circuit (C P U) in advance will enable all-round measurement.

The signal processing circuit shown in Fig. 8 can determine which signal is caused by direct current inflow. Set in the figure: the upper electrode layer 3 c, which is pressed by the operator by the aforementioned operating member 6; the lower resistance layer 4 c, which is connected to the upper electrode layer 3 c; each electrode portion 4 e, 4 f, 4 g, 4 h, which are arranged at the peripheral portion of the lower resistance layer 4c; voltage output portion 50, which is between the left and right electrode portions 4e, 4g and the upper and lower electrode portions 4f, 4h, and interacts Those applying DC voltage; detection means (A / D conversion section) 51, which reads the first voltage between the left and right electrode sections 4e and 4g through the upper electrode layer 3c, and the upper and lower electrode sections 4f and 4h. The second voltage between the two; and the determination means (CPU section) 52, which is the data of the detection means (A / D conversion section) 51 in synchronization with the voltage application of the voltage output section 50 to determine the upper electrode layer 3 The position where c is connected to the lower resistance layer 4 c. In addition, in this example, a DC voltage is alternately applied by the voltage output section 50. -12-565867 (9) I Description of Invention Continued Although a switching element is required, this operation is performed by the CPU section 52.

9 to 11 show a third embodiment of the above-mentioned induction sheet 2. In this case, the configuration of the contact portion for the push button switch formed in the above-mentioned induction sheet 2 is different. That is, in this embodiment, the conductive portions formed on the upper conductive sheet 13 and the lower conductive sheet 14 are all formed of a resistance layer, and the contact portion for the push button switch is not provided separately in the configuration, and the The contact portions of the upper and lower resistance layers are also used. In addition, for the same parts already described in Figs. 1 to 7, the same reference numerals are used, and descriptions thereof are omitted. As shown in FIG. 10, the upper conductive sheet 13 is formed of a substantially circular substrate portion 13a; and a long rule-shaped connecting portion 13b extending from one end of the substrate portion 13a. On the bottom surface side of the substrate portion 13a, a conductive carbon layer is printed so that the arrangement of the upper resistive layer 13c substantially spans the entire surface of the substrate portion 13a.

The upper resistive layer 1 3 c is connected to two corner portions in the left-right direction of the outer edge portion to form azimuth electrode portions 1 3 d and 1 3 e, respectively. And at the connection portion 1 3 b, guide portions 13f and 13g drawn from the electrode portions 1 3 d and 1 3 e are respectively formed. The lower conductive sheet 14 is shown in FIG. A base plate portion 14a; and a long-shaped connecting portion 14b extending from one end of the base plate portion 14a. On the upper side of the substrate portion 1 4 a, a conductive carbon layer is printed so that the lower resistive layer 1 4 c is disposed substantially across the entire surface of the substrate portion 1 4 a. The lower resistance layer 1 4 c is connected to two corner portions in the left-right direction of the outer edge portion to form the electrode portions 1 4 d and 1 4 e for azimuth measurement. And in the aforementioned company, 13- (10) (10) 565867 is connected to P 1 4 b, and is combined with r knives ”to form the guide parts 14f and 14g drawn from the aforementioned electrode parts 1 4 d and 1 4 e. Sense 廏 μ, heart ... The center of the upper surface of the sheet 2 is provided with ^ and a ^ Korean spring cage 1 with a dome-shaped bulge 1 ′ ^ ′ is disposed on the above induction sheet 2 through the reversing spring 15 ^^ ,, said; the storage part 1 a of the cabinet 1 described the aforementioned operating members 6 ° Yanhai ten green: ~ fr ,, less' said reversing spring 15, the top of the bulging part is formed on With the aforementioned operation μ. The position corresponding to the central position of the piece 6, in which the aforementioned operating member 6 is attached to the front, tapping sensor sheet 2 and can be tilted. During the pressing operation, the pressing operation portion 6 d of the operation member 6 presses the top of the dome-shaped bulging portion of the reversing spring M by pressing the arrow, +, ρ τ, ^. And by describing the reversing spring, then reversing the two, +, *, the top of the reversing dome-shaped bulge is only the text day and month, and the above-mentioned induction sheet ^ # H,, t is the upper center. By this pressing, the upper part of the upper sheet 罨 of the upper part of the upper part of the upper conductive sheet 13 is blocked, and the upper part of the upper conductive sheet 13 is electrically electrically connected to the central part of the upper conductive sheet 13 and the lower conductive sheet. The central part of the lower resistive layer 1 4 c is pressed. , ',, by reading the potential at this time, it can be measured that in this case, the Taiwan tired 4σ a / posture operation is pressed by the aforementioned 烕 岸 片 2 Yushu round cover-shaped reversing bomb cage 1 月 month j 迩Cut the pair of 应 of sheet 2. ^ ¥ The inner side surrounded by the inner edge of Heiami 15 (the top of the bulge (opposite position)), posing a specific potential 'μ judgment means (CPU) judgment pressure' consumption According to the above-mentioned embodiment .. When the above-mentioned fall is made, then when the component 6 is dumped, the κ wood 1 at the beginning of the P-shaped piece 6 of the & cover-shaped bulging part of the "spring" reverse spring The roundness of 15. χ, position deviation, so it is more difficult to press than the inner side of the periphery of the dome-shaped bulging portion. In addition, in the middle of the ±± ρ week and the central button, the aforementioned operation- 14-565867 _ (11) I Description of the invention The pressing action part 6d of the sheet member 6 is located at the center of the dome-shaped bulging part of the reversing spring 15, so the dome-shaped bulging part will be reversed and bulged. The top of the part will press the center position of the aforementioned sensing sheet 2. Therefore, during the dumping operation of the aforementioned operation member 6, there will be no wrong central input, but Real selection input. Further, when the central input by the inversion of elastic inversion basketful click feeling is obtained, so that the operability can be improved.

Next, the measurement of the dumping operation position (orientation) of the aforementioned operation member 6 will be described using FIG. 12.

The induction sheet 2 is used to measure the orientation of the resistance layer 1 3 c provided on the upper conductive sheet 1 3. When a voltage is applied between the left and right electrode portions 1 3 d and 1 3 e, the current flows through the resistance. The distance changes the voltage (Ohm's Law), so an equipotential line is formed in the orthogonal direction of the straight line connecting the electrode parts. When the equipotential lines move to the center of the straight line, the interval will become wider, and gradually increase when moving to the left and right, and they will be symmetrical up and down. In addition, for the measurement of the orientation of the lower resistive layer 1 4 c provided in the lower conductive sheet 14 above, when a voltage is applied between the upper and lower electrode portions 1 4 d and 1 4 e, the current causes a voltage due to the distance passing through the resistor. Change (ohm's law), so the equipotential line will be formed in the orthogonal direction of the straight line connecting the electrode parts. When the potential lines move toward the center of the straight line, the interval will become wider, and when they move up and down, they gradually increase, and they are symmetrical to the left and right. When the upper resistive layer 13c is in contact with the lower resistive layer 14c at a position (shown as P 2 in the figure), the electrode portions 1 3 d and 1 3 e of the upper resistive layer 1 3 c are read out at their contact points, respectively. And the second voltage between the electrode portions 1 4 d and 1 4 e above and below the lower resistance layer 1 4 c. In this case, the combination of the first voltage at a certain position of the upper resistance layer 13c and the certain -15-565867 of the lower resistance layer 14c (12) is the only combination, so it can be borrowed The position of P 2 is determined by measuring the two voltages. In addition, inputting the relationship data between the two voltages and positions into the control circuit (CPU) in advance will enable all-round measurement.

The signal processing circuit 'shown in Fig. 12 can distinguish which signal is caused by direct current inflow. The upper resistance layer 13c is provided in the figure, which is pressed by the operator through the operation member 6 described in the above; the lower resistance layer} 4c, which is connected to the upper resistance layer 13c; each electrode portion i3d, 13e, 14d, 14e, which are arranged at the peripheral portions of the upper resistance layer 13c and the lower resistance layer 14c; and the voltage output portion 60, which is located between the electrode portions i3d and between the upper and lower resistance layers 13c, and above and below the lower resistance layer 14c The DC voltage is applied alternately between the electrode sections 14d and 140; the detection means (A / D conversion section 丨 reads the working voltage between the electrode sections 13d and 13e around the upper resistance layer 13c, respectively, and The electrode part above and below the resistance layer 1 4 c 丨 the second voltage between 4 d and i 4 e 丨 and the determination means (CPU part) 62 are the same as the voltage application of the voltage output part 60

Step, determine the data of the detection means (A / D conversion section) 61 to determine the position where the upper resistive layer 13c and the lower resistive layer 14c are conducting. In addition, in this example, the DC voltage is also applied alternately by the voltage output section 60. Although a switching element is required, this operation is performed by the coffee section 62 in this example. Because of the structure of the aforementioned induction sheet 2, For the two contact surfaces of the opposite conductive sheet " and the lower conductive sheet, "the upper resistive layer 13c and the lower resistive layer 14 are described in the second form, and the entire resistive layer is separated from the two. When the operating member 6 is described as a rule, the sheet is formed in a certain position in the dumping direction (according to the dust position magic-16-565867 _ (13) I Description of the invention continued on the potential of the sheet, each of the two resistance sheets Other contact positions can be read, so the pressing position can be read more reliably, and the calculation of XY coordinates is facilitated. [Effect of the Invention]

As explained above, the structure of the multi-directional input device of the present invention includes: an induction sheet, which is formed between one pair of conductive sheets forming a conductive portion on the opposite surface, separated by an insulating spacer, and separated from the conductive sheet. Within the conductive material of at least one of the conductive sheets to form an electrode portion for measuring the orientation of the resistance layer connected thereto; and an operating member, which is arranged to be tilted on the induction sheet, by The person who is tossed down will conduct electricity between the opposite conductive sheets. Among them, in the center of the sensing sheet, the pressing switch means that measures the central position when the operating member is formed when pressed. In addition to the measurement of the pouring direction, it can also be measured. Press the direction, so you can easily select the menu to determine the selected function.

The pressing switch means includes: an induction sheet; and a reversing spring having a dome-shaped bulge formed in the center of the induction sheet; wherein the reversing spring is formed at the top of the bulge due to Corresponding to the central position of the operating member that can be tilted on the induction sheet, so when the operating member is dumped, the inside is more difficult to press than the peripheral edge of the dome-shaped bulge; and When the center button is pressed, the dome-shaped bulging portion will be reversed, and the top of the bulging portion will press the center position of the sensing sheet; therefore, there will be no wrong central input during the dumping operation, and the input can be surely selected. In addition, since a click feeling is obtained when the central input is performed, operability can be improved. The pressing switch means is formed in the center of the induction sheet to form a gap portion formed by cutting out a part of the non-conductive area of the conductive portion. In the gap portion, a contact portion for the push switch is formed when the operating member contacts during pressing. The structure can be -17-565867 (14) I invention description sheet is equipped with a contact part for the push switch in the surface of the sensor sheet, so the circuit can be used in common, which facilitates assembly work and reduces the thickness of the device.

In addition, the operation part is provided with: an operation button part, which is used for dumping and pressing operation; and a pressing operation part, which is on a pressure sensing sheet; wherein a click spring is provided between the operation button part and the pressing operation part. It is a person who makes a click sensation when the operating member is pressed, so the click sensation can be obtained during the pressing operation, thereby improving the operability. And because the click spring is built in the operating member, the thickness of the device can be reduced in size. The contact part for a push switch includes a fixed contact formed by a conductive sheet printed on one side of the induction sheet, and a metal movable contact disposed opposite to the fixed contact. Those who have a bulging part that can be reversed when pressed; Because the click spring and the movable contact for the push switch can be used at the same time, the number of parts can be reduced and the assembly can be simplified, which can be cheapened. Corresponding.

In addition, a through hole is formed in a void portion formed by the conductive sheet on the other side of the induction sheet, and through the through hole, the movable contact bulging portion can be directly pressed by the pressing actuating portion, even in the case of using a narrow-line movable contact. In this case, since the top of the bulged portion can be surely pressed, the device can be miniaturized and thinned. The induction sheet is composed of small sheets, which is formed by forming a uniform resistance layer on the contact surface of the opposite 2mu, and the entire resistance layer is separated by a point spacer, so it can be more reliable Reading the potential at the pressing position in the pouring direction can easily calculate the XY coordinates. [Brief description of the drawings] -18- 565867 (15) I Description of the invention Fig. 1 is a longitudinal sectional view showing a multi-directional input device according to an embodiment of the present invention Fig. 2 is a diagram showing the conduction of the same induction sheet of the present invention State action illustration. Fig. 3 is a plan view showing an upper conductive sheet according to the present invention. FIG. 4 is a bottom view showing a lower conductive sheet according to the present invention. Fig. 5 is a plan view showing a modified example of the upper conductive sheet of the present invention.

Fig. 6 is a bottom view showing a modified example of the lower conductive sheet of the present invention. Fig. 7 is a partial explanatory diagram showing a state in which a movable contact is provided on the induction sheet of the present invention. FIG. 8 is a block diagram showing a signal processing circuit of the present invention. Fig. 9 is a partial explanatory view showing an induction sheet and a reversing spring according to another embodiment of the present invention. Fig. 10 is a plan view showing an upper conductive sheet according to another embodiment of the present invention.

Fig. 11 is a bottom view showing a lower conductive sheet according to another embodiment of the present invention. Fig. 12 is a block diagram showing a signal processing circuit according to another embodiment of the present invention. <Explanation of Symbols in the Drawings> 1 Box la storage section 2 Induction sheet 3 Upper conductive sheet-19- 565867 (16) 3a Substrate section 3b Connection section 3c Upper electrode layer 3d Fixed contact 3e, 3f Guide section 4 Lower conductive sheet 4 a Substrate portion 4b Connection portion 4 c Lower resistance layer 4d. Fixed contact 4 e, 4f, 4g, &gt; 4 h electrode portion 4i, 4j, 4k, 4b 4n Q Leading portion 5 Insulation interval Material 6 operating part 6 a base 6b elastic wrist 6 c operating protrusion 6d pressing actuating part 6 e operating button part 7 click spring 8 movable contact 13 upper conductive sheet 13a substrate part 13b connecting part invention description sheet

-20- 565867 (17) Description of the invention continued

13c upper resistive layer 13d, 13e electrode portion 13f, 13g guide portion 14 lower conductive sheet 14a substrate portion 14b connection portion 14c lower resistive layer 14d, 14e electrode portion 14f, 1 4g guide portion 15. Reverse spring 50, 60 Voltage output section 5 1, 6 1 Detection means (A / D conversion section) 52, 62 Judgment means (CPU section)

-twenty one -

Claims (1)

565867 Patent application scope 1. A multi-directional input device, characterized in that it includes: an induction sheet, which is formed between one pair of conductive sheets on the opposite side to form a conductive part, and is separated by an insulating spacer, and the aforementioned conductive Within the sheet material, at least one of the conductive parts of the conductive sheet forms an electrical measuring part in the direction where the resistance layer is connected to it; and an operating member, which is placed on the induction sheet in a tiltable manner, by being poured A person who will conduct electricity between the conductive sheets facing each other is formed in the center of the sensing sheet, and is formed as a pressing switch means for generating a sensing position when the operating member is pressed. 2. The multi-directional input device according to item 1 of the patent application range, wherein the aforementioned pressure switch means includes: the aforementioned induction sheet; and a reversing spring having a dome-shaped bulge formed in the center of the induction sheet The top of the bulging portion of the reversing spring is formed at a position corresponding to the center position of the operation member which is disposed to be tilted on the sensing sheet. 3. The multi-directional input device according to item 1 of the patent application range, wherein the aforementioned pressure switch means includes: a gap portion formed in the center of the above-mentioned induction sheet, and by removing a non-conductive area of a part of the foregoing conductive portion And a contact portion for a push switch, which is formed in the gap portion, and is contacted by the operation member when pressed. 4 · The multi-directional input device according to item 3 of the scope of patent application, wherein the front operating part is provided with: an operation button part, which is a dumping and pressing operator, and a pressing actuating part, which presses the aforementioned induction sheet; and A click spring is provided between the front operation button portion and the aforementioned pressing actuating portion, which is a click sensation when the aforementioned operating member is pressed. Its edge electrode matching test should be described before the system according to the material, said 565867 applied for a patent fan garden continuation page 5. Such as the multi-directional input device of the scope of patent application No. 3, where the contact part for the aforementioned push switch Including: a fixed contact, which is formed by printing on a conductive sheet of one of the aforementioned induction sheets; and a metal movable contact, which is arranged opposite to the fixed contact and has a reversible property when pressed The bulge. 6. The multi-directional input device according to item 5 of the scope of patent application, wherein A through hole is formed in a void portion formed by the conductive sheet on the other side of the induction sheet, and the bulging portion of the movable contact can be directly pressed by the pressing action portion of the operation member through the through hole. 7. The multi-directional input device according to item 1 of the scope of patent application, wherein the aforementioned induction sheet comprises a sheet material, which forms a uniform resistance layer on the contact surfaces of the two opposing surfaces, and isolates the two with an insulating spacer. The entire surface of the resistance layer. C