Abstract: Disclosed is an Fe-based electroplated steel sheet including: a Si-containing cold-rolled steel sheet containing Si in an amount of 0.1 mass % or more and 3.0 mass % or less; and an Fe-based electroplating layer formed on at least one surface of the Si-containing cold-rolled steel sheet with a coating weight per surface of 5.0 g/m2 or more, in which in an intensity profile measured by glow discharge optical emission spectrometry, a peak of emission intensity at wavelengths indicating Si is detected within a range from a surface of the Fe-based electroplating layer to more than 0.2 ?m in a thickness direction and not more than a thickness of the Fe-based electroplating layer, and an average value of C concentration in a region ranging from 10 ?m to 20 ?m in the thickness direction from the surface of the Fe-based electroplating layer is 0.10 mass % or less.

Abstract: Provided are a power generation method and a power generating element capable of obtaining an electromotive force by utilizing humidity variation in an environment and having excellent operation stability. An aqueous solution of an ionic compound having deliquescence is separated by an ion permeable membrane, electrodes are inserted into the aqueous solution on both sides of the ion permeable membrane, one is blocked from outside air and sealed, and the other is connected to the outside air, and a difference in ion concentration derived from the ionic compound in the aqueous solution is generated across the ion permeable membrane due to a change in humidity in the outside air to generate an electromotive force between the electrodes.

Abstract: A voltage detection circuit includes a resistance dividing circuit containing a coarse adjustment variable resistance circuit and a fine adjustment variable resistance circuit, a coarse adjustment circuit controlling the coarse adjustment variable resistance circuit, a fine adjustment circuit controlling the fine adjustment variable resistance circuit, and a control circuit controlling the coarse adjustment circuit and the fine adjustment circuit based upon a detection signal of a comparator circuit.

Abstract: A voltage-current conversion circuit includes a voltage-current conversion resistor connected to an input terminal, and a current mirror circuit which mirrors a current supplied from the voltage-current conversion resistor, wherein the current mirror circuit is constructed to include a depletion-type transistor whose source voltage is biased to be higher than the substrate voltage.

Abstract: A voltage-current conversion circuit includes a voltage-current conversion resistor connected to an input terminal, and a current mirror circuit which mirrors a current supplied from the voltage-current conversion resistor, wherein the current mirror circuit is constructed to include a depletion-type transistor whose source voltage is biased to be higher than the substrate voltage.

Abstract: A voltage detection circuit includes a resistance dividing circuit containing a coarse adjustment variable resistance circuit and a fine adjustment variable resistance circuit, a coarse adjustment circuit controlling the coarse adjustment variable resistance circuit, a fine adjustment circuit controlling the fine adjustment variable resistance circuit, and a control circuit controlling the coarse adjustment circuit and the fine adjustment circuit based upon a detection signal of a comparator circuit.

Abstract: Provided is a driving control unit (93) which performs control to switch high and low of correlation of code sequences output by driving signal generation units (4a to 4d) according to a detection distance which is a distance between a surface of a touch panel (2) and an object to be detected.

Abstract: A touch panel controller of the invention is provided with a driving unit which drives drive lines and causes a linear sum signal based on charges accumulated in respective electrostatic capacitances to be output from a sense line, and a correction processing unit which corrects influence on a change in the electrostatic capacitances by a parasitic capacitance which exists in the sense line. Thereby, it is possible to provide the touch panel controller and an electronic device capable of performing estimation of an electrostatic capacitance value more correctly by correcting the influence of the parasitic capacitance which exists in the sense line.

Abstract: In a touch sensor panel 10 for inputting a position by a touch operation to a predetermined region, a plurality of drive lines DL disposed in one direction and a plurality of sense patterns SL disposed in another direction intersect each other and an electrode size of an electrode of a sense pattern (sense electrode pattern) in one direction disposed between adjacent intersections is switched between at least two electrode sizes of large and small. The configuration enables power consumption to be small while maintaining detection precision of a touched position.

Abstract: A touch panel controller (1A) includes: a capacitor drive portion (5A); a multiplying portion (2A) which performs multiplication of first linear sum signals by a second code sequence to obtain signals and then performs addition of the signals to generate a second linear sum signal; an inner product operation portion (3A) which generates a first inner product operation signal by calculating an inner product of the second linear sum signal and the second code sequence; an inner product operation portion (3AA) which generates a second inner product operation signal by calculating an inner product of the first inner product operation signal and the first code sequence. This makes it possible to reduce a mounting area of the touch panel controller.

Abstract: Provided is a driving control unit (93) which performs control to switch high and low of correlation of code sequences output by driving signal generation units (4a to 4d) according to a detection distance which is a distance between a surface of a touch panel (2) and an object to be detected.

Abstract: A touch panel controller of the invention is provided with a driving unit which drives drive lines and causes a linear sum signal based on charges accumulated in respective electrostatic capacitances to be output from a sense line, and a correction processing unit which corrects influence on a change in the electrostatic capacitances by a parasitic capacitance which exists in the sense line. Thereby, it is possible to provide the touch panel controller and an electronic device capable of performing estimation of an electrostatic capacitance value more correctly by correcting the influence of the parasitic capacitance which exists in the sense line.

Abstract: A driving unit (14) applies a driving voltage based on a predetermined code sequence to each of a plurality of drive lines, and thereby an integration circuit (21) outputs a linear sum signal based on a linear sum of amounts of charges accumulated in a sense line. This is performed a plurality of times, and a computation unit (23) estimates an electrostatic capacitance. The driving unit (14) applies a positive driving voltage and a negative driving voltage to a pair of adjacent drive lines.

Abstract: A touch panel controller (3) includes: a drive section (4); a differential amplifier (5); variable integral capacitors (Cint1, Cint2); and a capacitance control section (6) that controls the variable integral capacitors (Cint1, Cint2) so as to correct line dependency of capacitors (C31 to C34, C41 to S44).

Abstract: A noise removing section (101) is provided which removes noise superimposed on each of N linear sum signals of target coefficients by filtering the N linear sum signals. An estimating section (105) estimates values of the M target coefficients by calculating an inner product of (i) signals which vary in accordance with the N linear sum signals from each of which the noise has been removed and (ii) N M-dimensional vectors.

Abstract: A touch panel controller (3) includes: a drive section (4); a differential amplifier (5); variable integral capacitors (Cint1, Cint2); and a capacitance control section (6) that controls the variable integral capacitors (Cint1, Cint2) so as to correct line dependency of capacitors (C31 to C34, C41 to S44).

Abstract: In a touch sensor panel 10 for inputting a position by a touch operation to a predetermined region, a plurality of drive lines DL disposed in one direction and a plurality of sense patterns SL disposed in another direction intersect each other and an electrode size of an electrode of a sense pattern (sense electrode pattern) in one direction disposed between adjacent intersections is switched between at least two electrode sizes of large and small. The configuration enables power consumption to be small while maintaining detection precision of a touched position.

Abstract: A touch panel controller (1A) includes: a capacitor drive portion (5A); a multiplying portion (2A) which performs multiplication of first linear sum signals by a second code sequence to obtain signals and then performs addition of the signals to generate a second linear sum signal; an inner product operation portion (3A) which generates a first inner product operation signal by calculating an inner product of the second linear sum signal and the second code sequence; an inner product operation portion (3AA) which generates a second inner product operation signal by calculating an inner product of the first inner product operation signal and the first code sequence. This makes it possible to reduce a mounting area of the touch panel controller.

Abstract: A noise removing section (101) is provided which removes noise superimposed on each of N linear sum signals of target coefficients by filtering the N linear sum signals. An estimating section (105) estimates values of the M target coefficients by calculating an inner product of (i) signals which vary in accordance with the N linear sum signals from each of which the noise has been removed and (ii) N M-dimensional vectors.