Abstract: A sensor device 1A includes: an insulating substrate 11; a touch sensor TS that includes a sensor electrode 12 disposed on a first surface 15a disposed on an operation surface side; a shield electrode 131 disposed on the first surface 15a; and a detecting electrode 14 facing the shield electrode 131 and disposed on a second surface 15b different from the first surface 15a. The first surface 15a is located closer to the operation surface than the second surface 15b, the shield electrode 131 and the detecting electrode 14 constitute a pressure-sensitive sensor that detects a change in capacitance value caused by approaching of the shield electrode 131 and the detecting electrode 14, and the shield electrode 131 blocks capacitive coupling between an operator FIN and the detecting electrode 14 caused by approaching of the operator FIN to the operation surface.

Abstract: A switch includes: a first electrode sheet including a first electrode; a second electrode sheet including a second electrode that faces the first electrode sheet; and an adhesive that includes a first opening through which the first electrode faces the second electrode sheet and that attaches the first electrode sheet to the second electrode sheet. The first electrode sheet includes: a first substrate on which the first electrode is disposed; a first spacer between the first substrate and the second electrode sheet that includes a second opening at a position corresponding to the first electrode; and a first base between the first substrate and the first spacer that overlaps at least a portion of an edge of the first opening of the adhesive. The first spacer is attached to the second electrode sheet by the adhesive.

Abstract: A switch includes: a first electrode sheet including a first electrode; a second electrode sheet including a second electrode that faces the first electrode sheet; and an adhesive that includes a first opening through which the first electrode faces the second electrode sheet and that attaches the first electrode sheet to the second electrode sheet. The first electrode sheet includes: a first substrate on which the first electrode is disposed; a first spacer between the first substrate and the second electrode sheet that includes a second opening at a position corresponding to the first electrode; and a first base between the first substrate and the first spacer that overlaps at least a portion of an edge of the first opening of the adhesive. The first spacer is attached to the second electrode sheet by the adhesive.

Abstract: A membrane switch includes an upper electrode sheet that includes an upper electrode, a lower electrode sheet that includes a lower electrode facing the upper electrode, and an adhesive layer that joins the upper electrode sheet to the lower electrode sheet; and the upper and lower electrodes come into contact with each other due to a pressing force, which is applied to at least one of the upper electrode sheet and the lower electrode sheet, and conduct electricity. The upper electrode sheet includes: an upper base on which the upper electrode is formed; and an upper insulating layer that is provided between the upper base and the lower electrode sheet, includes a first opening at a position corresponding to the upper electrode, and is joined to the lower electrode sheet by the adhesive layer. The upper insulating layer is formed on the upper base.

Abstract: An input device 1 comprises a sensor circuit 91 which includes a pressure-sensitive sensor 50 and a first fixed resistor 914 which is electrically connected in series to the pressure-sensitive sensor 50. A resistance value Rf of the first fixed resistor 914 satisfies the following expression (1). In the expression (1), RsHL is a resistance value of the pressure-sensitive sensor 50 when ½ of the maximum working load of the pressure-sensitive sensor 50 is applied, and Co is a resistance correction coefficient within the range of 1/16 to 1/1.

Abstract: An input device includes an insulation substrate, a switch element, and a detection portion. The switch element includes a fixed electrode portion that is provided on the substrate, and a movable electrode portion that is provided on a main surface side of the substrate, at least part of the movable electrode portion being elastically displaceable toward a direction approaching and leaving the fixed electrode portion. The movable electrode portion is displaceable toward a direction approaching the fixed electrode portion due to pressure from an object to be detected that is an electric conductor. The detection portion is capable of detecting a capacitance change caused by the object to be detected approaching and leaving the movable electrode portion and a capacitance change between the movable electrode portion and the fixed electrode portion produced by displacement of the movable electrode portion due to pressing.

Abstract: Provided is a printed circuit board which is used in a bent state, including: a substrate; a first conductive layer which is formed on the substrate; a first insulation layer which is formed on the substrate so as to cover the first conductive layer; and a second conductive layer which is formed on the first insulation layer, wherein on the assumption that the Youngs modulus of the first insulation layer is indicated by Ei1 and the fracture elongation of the second conductive layer is indicated by Bc2, the following equations (I) and (II) are satisfied.

Abstract: An input device 1 includes a panel unit 10, a pressure-sensitive sensor 60 which detects a pressing force applied through the panel unit 10, a seal member 70 which is disposed outside the pressure-sensitive sensors 60, and a support member 80 which supports the panel unit 10 through the pressure-sensitive sensors 60 and the seal member 70. The thickness of the pressure-sensitive sensors 60 is relatively thinner than the thickness of the seal member 70, a space which is formed between the panel unit 10 and the support member 80 includes a first part S1 where the pressure-sensitive sensors 60 are arranged and the second part S2 where the seal member 70 is arranged, and the distance of the first part S1 is relatively narrower than the distance of the second part S2.

Abstract: An electronic apparatus 1 includes a touch panel 30, a panel unit 10 which includes at least a cover member 20, at least one pressure-sensitive sensor 50 which detects a pressing force applied through the panel unit 10, a touch panel controller 81 which generates a data group (X, Y, ?) which includes touch coordinate values detected by the touch panel 30 and another value except the touch coordinate values, a sensor controller 91 which generates a pressure value Pn from an output value OPn of the pressure-sensitive sensor 50, and a computer 100 which includes at least a touch panel driver 103 and to which the touch panel controller 81 and the sensor controller 91 are electrically connected. The computer 100 further includes a touch panel filter driver 105 which rewrites the other value of the data group (X, Y, ?) to the pressure value Pn.

Abstract: An input device 1 comprises a sensor circuit 91 which includes a pressure-sensitive sensor 50 and a first fixed resistor 914 which is electrically connected in series to the pressure-sensitive sensor 50. A resistance value Rf of the first fixed resistor 914 satisfies the following expression (1). In the expression (1), RsHL is a resistance value of the pressure-sensitive sensor 50 when ½ of the maximum working load of the pressure-sensitive sensor 50 is applied, and Co is a resistance correction coefficient within the range of 1/16 to 1/1.

Abstract: An input device 1 includes a pressure-sensitive sensor 50 and a sensor controller 90. The sensor controller 90 includes an acquisition part 91 which obtains an actual output value of the pressure-sensitive sensor 50, a storage part 92 in which a correction function g(Vout) is stored, and a correction part 93 which substitutes the actual output value into the correction function g(Vout) so as to correct the actual output value for linearizing output characteristics of the pressure-sensitive sensor 50. The correction function g(Vout) is a function which is obtained by replacing an output variable Vout of the pressure-sensitive sensor 50 with a corrected output variable Vout? of the pressure-sensitive sensor 50 and also replacing an applied-load variable F to the pressure-sensitive sensor 50 with the output variable Vout in an inverse function f?1(F) of the output characteristic function f(F) of the pressure-sensitive sensor 50.

Abstract: An electronic apparatus (1) includes a touch panel (40), pressure-sensitive sensors (60), and a control device (90) which is connected to the touch panel (40) and the pressure-sensitive sensors (60). The control device (90) includes a touch panel control unit (91) which outputs a detection signal on the basis of an output value of the touch panel (40), a setting unit (94) which sets, as a reference value (OP0), an output value (OPn) of the pressure-sensitive sensors (60) at a predetermined timing in a case where a detection signal is input from the touch panel control unit (91), and a first calculation unit (95) which calculates, as a first pressure (fn) of the pressure-sensitive sensor (60), a difference between an output value (OPn) of the pressure-sensitive sensor (60) after a predetermined timing and the reference value (OP0). The setting unit (94) individually sets the reference value (OP0) with respect to each of the pressure-sensitive sensors (60).

Abstract: A method for producing a pressure detection device (1) includes a first process (S10) of preparing a pressure-sensitive sensor (2) which includes a first circuit (91) and a second circuit (92) electrically connecting each other in series, the first circuit (91) including a pressure-sensitive body (4) of which an electrical resistance value is consecutively changed according to a pressure, the second circuit (92) including a fixed resistor (5) of which an electrical resistance value can be adjusted to be a desired value; and a second process (S20) of adjusting the electrical resistance value of the fixed resistor (5) on the basis of a ratio (R2:R1) between an electrical resistance value (R2) of at least pressure-sensitive body (4) in the first circuit (91) and an electrical resistance value (R1) of at least fixed resistor (5) in the second circuit (92) in a case where a predetermined pressure is applied to the pressure-sensitive body (4).

Abstract: Provided is a printed circuit board which is used in a bent state, including: a substrate; a first conductive layer which is formed on the substrate; a first insulation layer which is formed on the substrate so as to cover the first conductive layer; and a second conductive layer which is formed on the first insulation layer, wherein on the assumption that the Youngs modulus of the first insulation layer is indicated by Ei1 and the fracture elongation of the second conductive layer is indicated by Bc2, the following equations (I) and (II) are satisfied.

Abstract: An input device includes an insulation substrate, a switch element, and a detection portion. The switch element includes a fixed electrode portion that is provided on the substrate, and a movable electrode portion that is provided on a main surface side of the substrate, at least part of the movable electrode portion being elastically displaceable toward a direction approaching and leaving the fixed electrode portion. The movable electrode portion is displaceable toward a direction approaching the fixed electrode portion due to pressure from an object to be detected that is an electric conductor. The detection portion is capable of detecting a capacitance change caused by the object to be detected approaching and leaving the movable electrode portion and a capacitance change between the movable electrode portion and the fixed electrode portion produced by displacement of the movable electrode portion due to pressing.