Abstract: Provided is a flexible printed circuit connection structure which includes a flexible printed circuit having a plurality of wires, a board to be connected having a plurality of wires to be connected, a plurality of solder connection portions, and a partition wall, in which: the plurality of solder connection portions is a part where the plurality of wires of the flexible printed circuit and the plurality of wires to be connected of the board to be connected are connected to each other by solder; the partition wall is provided away from the plurality of solder connection portions so as to surround the plurality of solder connection portions; and the flexible printed circuit, the board to be connected, and the partition wall define a sealed space, and the plurality of solder connection portions is arranged inside the sealed space.

Abstract: A heat exchanger connected to a refrigerant pipe includes: heat transfer tubes; and a header that connects the refrigerant pipe and the heat transfer tubes, and that forms a refrigerant flow path between the refrigerant pipe and the heat transfer tubes. The header includes a first member that includes a first plate-shaped portion, and a second member that includes a second plate-shaped portion that is stacked on a heat transfer tubes side of the first plate-shaped portion. The first plate-shaped portion has a first opening that forms the refrigerant flow path. The second plate-shaped portion has a second opening that forms the refrigerant flow path. When viewed in a stacking direction of the first plate-shaped portion and the second plate-shaped portion, the second opening and the first opening overlap each other at a first region and at a second region that is different from the first region.

Abstract: A self-capacitance-system electrostatic-capacitance detection sensor includes a first electrode and a second electrode, one of the first and second electrodes being set as a sense electrode, and the other of the first and second electrodes being set as a drive electrode; a sense-signal generating unit that generates a sense signal to be applied to the sense electrode; a detecting unit that detects, as a detection value, an amount of charge movement corresponding to an electrostatic capacitance of the sense electrode; and a determining unit that determines whether or not a detection target is in close proximity to both the first and second electrodes, based on a subtraction difference between detection values detected by the detecting unit when a first drive signal is applied to the drive electrode and when a second drive signal having the same frequency and a different phase is applied to the drive electrode.

Abstract: A capacitive sensor includes a sensor unit including a detection electrode, a capacitance detection unit configured to detect a capacitance value of the detection electrode of the sensor unit, a difference value calculation unit configured to calculate a difference value between the capacitance value and a reference value, a filter calculation unit configured to perform a time-directional filtering process using a filter parameter on the difference value and calculate a filter calculation value, a determination unit configured to determine a condition around the sensor unit on the basis of the filter calculation value calculated by the filter calculation unit, and a filter parameter calculation unit configured to calculate the filter parameter on the basis of the difference value calculated by the difference value calculation unit.

Abstract: A measurement device includes N (N?2) sensors, a selection unit configured to select a predetermined combination of sensors in each measurement and output a detection value to each of M (M<N) sensor terminals based on measurement values provided by the selected sensors, a detection unit configured to acquire the detection value output to each of the M sensors in each measurement, and a correction unit configured to, after the measurement is performed L times, based on an assumption that each of M×L detection values acquired by the acquisition unit includes a time-dependent noise component, correct each of the M×L detection values such that the time-dependent noise component of each of the detection values is replaced by a common noise component obtained by averaging the L time-dependent noise components along a time axis.

Abstract: A human body detecting sensor system includes a first electrode, a second electrode, a drive circuit, a detection circuit, and a comparison circuit. The second electrode is connected to the first electrode via a capacitor. The drive circuit generates a first signal having a prescribed frequency for driving the first electrode. The detection circuit detects a second signal generated at the second electrode in response to the first signal being supplied to the first electrode. The comparison circuit compares the first signal with the second signal. The comparison circuit detects a touch and/or an approach of an object, which has an impedance in a certain range corresponding to a human body, with respect to at least one of the first and second electrodes when a phase difference between the first signal and the second signal is within a prescribed range.

Abstract: A pipe (10) includes a polyethylene-based resin layer (21) containing a polyethylene-based resin composition as a major component. The polyethylene-based resin layer (21) forms a pipeline member inner surface (10a). The polyethylene-based resin composition has a calcium concentration of 10 ppm or more and 60 ppm or less.

Abstract: An input apparatus includes a detection unit that repeatedly generates a detection signal according to a degree of proximity of the object, a drift simulation unit that generates a drift simulated signal that undergoes a change having correlation with a drift in the detection signal due to repeated generation of the detection signal in the detection unit, and a correction unit that corrects the detection signal according to the change in the drift simulated signal at least one of when repeated generation of the detection signal in the detection unit is started and when an interval for repeatedly generating the detection signal in the detection unit is changed.

Abstract: A sensor device has: a sensor unit that outputs a sinusoidal detection signal having an amplitude matching a physical quantity to be detected; a reference signal creator that creates a first sinusoidal reference signal having the same frequency and phase as the detection signal; and a demodulator that multiplies the detection signal by the first reference signal and creates, as a first demodulation signal matching the physical quantity, a signal matching a direct-current component included in a signal resulting from the multiplication. The reference signal creator creates a sinusoidal second reference signal having the same frequency as the detection signal but being out of phase with the detection signal. The demodulator multiplies the detection signal by the second reference signal and creates, as a second demodulation signal matching a noise component superimposed on the detection signal, a signal matching a direct-current component included in a signal resulting from the multiplication.

Abstract: A capacitive sensor includes a sensor unit including a detection electrode, a capacitance detection unit configured to detect a capacitance value of the detection electrode of the sensor unit, a difference value calculation unit configured to calculate a difference value between the capacitance value and a reference value, a filter calculation unit configured to perform a time-directional filtering process using a filter parameter on the difference value and calculate a filter calculation value, a determination unit configured to determine a condition around the sensor unit on the basis of the filter calculation value calculated by the filter calculation unit, and a filter parameter calculation unit configured to calculate the filter parameter on the basis of the difference value calculated by the difference value calculation unit.

Abstract: A handwriting input device, in response to a handwriting operation that moves an object on an input surface with the object contacting the input surface, inputs information corresponding to the path of the contact position of the object on the input surface. The handwriting input device includes a sensor part and a determining part. The sensor part detects the contact position of the object on the input surface and the presence or absence of the object within a predetermined operation space adjacent to the input surface. The determining part determines the start and the end of the handwriting operation based on the detection result of the sensor part. The determining part determines the continuance of the handwriting operation in response to detecting the presence of the object within the operation space by the sensor part after determining the start of the handwriting operation.

Abstract: An electrostatic sensor includes a detection electrode, a shield electrode provided in a periphery of the detection electrode, a first power supply coupled to the detection electrode and configured to generate an AC voltage having a first amplitude, a second power supply coupled to the shield electrode and configured to generate an AC voltage having a second amplitude, a measuring device configured to measure a quantity of charge flowing from the first power supply to the detection electrode, and a control device coupled to the measuring device. The AC voltages generated by the first and second power supplies have the same frequency and the same phase. The second amplitude is larger than the first amplitude. A detection target on a side of a detection surface is detected based on a change in an electrostatic capacitance between the detection electrode and the detection target.

Abstract: A self-capacitance-system electrostatic-capacitance detection sensor includes: a first electrode and a second electrode, one of the first and second electrodes being set as a sense electrode, and the other of the first and second electrodes being set as a drive electrode; a sense-signal generating unit that generates a sense signal to be applied to the sense electrode; a detecting unit that detects, as a detection value, an amount of charge movement corresponding to an electrostatic capacitance of the sense electrode; and a determining unit that determines whether or not a detection target is in close proximity to both the first and second electrodes, based on a subtraction difference between detection values detected by the detecting unit when a first drive signal is applied to the drive electrode and when a second drive signal having the same frequency and a different phase is applied to the drive electrode.

Abstract: A capacitive sensor has first electrodes, a second electrode, and a third electrode, which are disposed at places where a manipulating body that is part of a human body such as a finger is detected. The capacitive sensor also has a capacitance detecting means and a deciding means. The deciding means identifies the number of manipulating bodies and directions (positions) according to the capacitances of the first electrodes, second electrode, and third electrode.

Abstract: A capacitance sensor includes N electrode groups arranged in a detection area, each of which includes at least one electrode, a capacitance detection unit configured to detect capacitance of capacitors formed between an object and the electrode for individual electrodes, a sum calculation unit configured to add detection values of the capacitance obtained for individual electrodes based on a result of the detection performed by the capacitance detection unit for individual electrode groups so as to calculate sum totals of the detection values for individual N electrode groups, and a determination unit configured to determine whether a detection result of the capacitance detection unit is affected by noise based on the N sum totals calculated for the N electrode groups.

Abstract: An input device has: a detecting unit that generates a detection signal that changes according to the degree of the proximity of an object; a deciding unit that decides, according to a series of detection signals, whether a change due to the proximity of the object has occurred in the detection signals; and a reference value updating unit that, if the deciding unit decides that a change due to the proximity of the object has not occurred in the detection signals, updates a reference value, according to the detection signals. The deciding unit changes a decision reference so that the higher the degree, indicated by the difference between the reference value and the value of the detection signal, of the proximity of the object, is, the more likely the deciding unit is to decide that a change due to the proximity of the object has occurred in the detection signals.

Abstract: An input device includes at least one electrode including multiple detection terminals. The detection terminals are connected to an image data calculation unit. The image data calculation unit detects detection values that vary in accordance with an amount of electric charge detected through the detection terminals. Based on coefficient information values, the image data calculation unit calculates image data values each corresponding to capacitance of each of multiple sections. The coefficient information corresponds to different combinations of one of the multiple sections and one of the multiple detection terminals. The coefficient information represents a ratio of electric charge detected by the one of the detection terminals to an amount of electric charge charged in one of the sections.

Abstract: A server apparatus includes a plurality of nodes; a plurality of power supply devices configured to supply power; and a shared memory from and to which reading and writing from each of the plurality of nodes are performed, wherein each of the plurality of nodes includes a processor configured to: store power consumption information of an own node in the memory; read the power consumption information from the memory when an abnormality is detected in some power supply devices among the plurality of power supply devices; and control supply power from a normal power supply device, in which an abnormality is not detected among the plurality of power supply devices, to the own node, based on the read power consumption information.

Abstract: A sensor device has: a sensor unit that outputs a sinusoidal detection signal having an amplitude matching a physical quantity to be detected; a reference signal creator that creates a first sinusoidal reference signal having the same frequency and phase as the detection signal; and a demodulator that multiplies the detection signal by the first reference signal and creates, as a first demodulation signal matching the physical quantity, a signal matching a direct-current component included in a signal resulting from the multiplication. The reference signal creator creates a sinusoidal second reference signal having the same frequency as the detection signal but being out of phase with the detection signal. The demodulator multiplies the detection signal by the second reference signal and creates, as a second demodulation signal matching a noise component superimposed on the detection signal, a signal matching a direct-current component included in a signal resulting from the multiplication.

Abstract: Three or more detection electrodes intersect in each of sections that divide a region to which an object is approachable. The detection electrodes each include partial electrodes connected in cascade via wiring, and partial electrodes included in the detection electrodes that intersect in each section are disposed in the section. Three or more partial electrodes disposed in the section includes a single first partial electrode and at least two second partial electrodes. The first partial electrode is connected in cascade to the partial electrode on one side through a first-layer or second-layer wiring and to the partial electrode on the other side through the second-layer wiring. Each second partial electrode is connected in cascade to the partial electrode in one side through the first-layer wiring and to the partial electrode on the other side through the second-layer wiring.