Abstract: There is provided an abnormality detection device and a fixing structure which are suitable for detecting an abnormality of a fastener such as a bolt or a nut. An abnormality detection device detects an abnormality of a fixing structure including a bolt, a nut, and a washer which include a conductor and fix steel plates to each other, and a spacer which includes an insulator and is disposed between the steel plates and the washer, the abnormality detection device including: a transmission antenna that radiates electromagnetic waves to the fixing structure; a reception antenna that receives electromagnetic waves reflected by the fixing structure; and an abnormality detector that changes a frequency of the electromagnetic waves radiated from the transmission antenna to acquire frequency characteristics of standing waves received by the reception antenna and detects an abnormality of the fixing structure by comparing the frequency characteristics with frequency characteristics in a normal state.

Abstract: Provided is a surface change detection body capable of detecting a change in the surface of an object only with passive components.

Abstract: A looseness detection structure configured to detect looseness between a bolt and a nut that fix two components including a conductive film configured to be attached on a surface of the component, the surface of the component including a hole into which the bolt is inserted, the conductive film being attached such that the conductive film is not directly conductive to the component, a part of the conductive film having a dimension relating to a half wavelength of a high-frequency signal propagating inside the components, and a non-conductive film between a surface of the component and the conductive film in a case where surfaces of the components are conductors, and a second conductive film on a surface of the component in a case where the surfaces of the components are insulators, the second conductive film being opposite to the conductive film.

Abstract: A crack detection device includes: a sensor unit that has a three-layer structure of conductor-insulator-conductor and is attached to a structure; a frequency characteristics acquisition unit that sweeps a predetermined frequency range to acquire a plurality of frequencies at which the impedance of the sensor unit is maximum or minimum; a crack presence/absence determination unit that determines the presence or absence of a crack based on a nonuniformity of the plurality of frequencies; a crack position table in which a relationship between crack positions and frequency shift directions is recorded; and a crack position detection unit that, when the crack presence/absence determination unit determines that there is a crack, takes a difference between two frequencies acquired by the frequency characteristics acquisition unit to determine a sign, and then refers to the crack position table in accordance with the sign to detect a crack position.

Abstract: A component concentration measurement device includes a light application unit (101) that applies pulsed beam light (121) of a wavelength that is absorbed by glucose to a site of measurement (151), and a detection unit (102) that detects a photoacoustic signal which is generated at the site of measurement (151) where the beam light (121) emitted from the light application unit (101) has been applied. The component concentration measurement device also includes a moisture measurement unit (103) that measures an amount of moisture in skin at the site of measurement (151), and a correction unit (104) that corrects an acoustic signal detected by the detection unit (102) with the amount of moisture measured by the moisture measurement unit (103).

Abstract: A light source unit emits beam light of a wavelength that is absorbed by glucose. A light application control unit gives multiple-application of the beam light emitted by the light source unit to a site of measurement. A detection unit detects each of a plurality of photoacoustic signals that are generated at the site of measurement due to the multiple-application of the beam light by the light application control unit. A processing unit averages the plurality of photoacoustic signals detected by the detection unit.

Abstract: A component concentration measurement device includes a light application unit that applies beam light of a wavelength that is absorbed by glucose to a site of measurement, and a detection unit that detects a photoacoustic signal which is generated at the site of measurement where the beam light emitted from the light application unit has been applied. The component concentration measurement device also includes a thickness measurement unit that measures a thickness of the site of measurement, and a correction unit that corrects an acoustic signal detected by the detection unit with the thickness measured by the thickness measurement unit.

Abstract: A component concentration measuring apparatus includes: a dielectric spectroscopy portion that irradiates a measurement subject with electromagnetic waves and measures a complex permittivity, thereby acquiring a dielectric spectroscopy spectrum; a temperature measurement portion that measures a temperature of the measurement subject; a signal processing portion that corrects the dielectric spectroscopy spectrum according to the temperature measured by the temperature measurement portion; and a calculating portion that applies a calibration model generated in advance from a dielectric spectroscopy spectrum of a sample whose component concentration is known, to the dielectric spectroscopy spectrum corrected by the signal processing portion, thereby calculating a component concentration of the measurement subject.

Abstract: A component concentration measurement device includes a light application unit that applies pulsed beam light of a wavelength that is absorbed by a target substance for measurement to a site of measurement, and a detection unit that detects a photoacoustic signal generated in the site of measurement where the beam light emitted from the light application unit has been applied. The light application unit applies the pulsed beam light with a pulse width at which a photoacoustic wave that occurs at a rising edge of a light pulse and a photoacoustic wave that occurs at a falling edge of the light pulse do not interfere with each other.

Abstract: A component concentration measuring apparatus includes: a dielectric spectroscopy portion that irradiates a measurement subject with electromagnetic waves, thereby acquiring a complex permittivity spectrum; a signal processing portion that standardizes an imaginary part or an imaginary part spectrum of a complex permittivity at a frequency other than a frequency of an isosbestic point of the measurement subject, using an imaginary part of a complex permittivity at the frequency of the isosbestic point, out of the complex permittivity spectrum; and a calculating portion that applies a calibration model generated in advance from an imaginary part or an imaginary part spectrum of a complex permittivity of a sample whose component concentration is known, to the imaginary part or the imaginary part spectrum of the complex permittivity standardized by the signal processing portion, thereby calculating a component concentration of the measurement subject.

Abstract: A light irradiation unit configured to irradiate a measurement part with a light beam that has a wavelength absorbed by glucose and a detection unit configured to detect a photoacoustic signal generated from the measurement part irradiated with the light beam emitted from the light irradiation unit are included. The light irradiation unit irradiates the measurement part by scanning the light beam 2-dimensionally. The measurement part is irradiated with the light beam through raster scanning. For example, the light beam has a beam diameter of about 100 ?m and is scanned at a scanning speed of about 100 ?m/10 ms.

Abstract: A case with connector includes a connector; a case body that has a cylindrical side wall portion and an end wall portion closing one end side of the side wall portion and forming an accommodation portion along with the side wall portion, the case body being formed by insert molding and integrated with the connector at the side wall portion; and an electrical wire that has an end connected to the connector and the other end projecting to the accommodation portion.

Abstract: A case with connector includes a connector; a case body that has a cylindrical side wall portion and an end wall portion closing one end side of the side wall portion and forming an accommodation portion along with the side wall portion, the case body being formed by insert molding and integrated with the connector at the side wall portion; and an electrical wire that has an end connected to the connector and the other end projecting to the accommodation portion.

Abstract: A communication device for communicating with an external device using a human body as a signal transmission path, includes an electric field strength measuring unit configured to measure a noise level from a detected received electric field strength at the time of no signal after the received electric field strength is detected by the communication device when a transmission signal to be output to the external device is absent, a transmission output determination unit configured to determine an output level of the transmission signal to be transmitted to the external device on the basis of the measured noise level, and an output execution unit configured to output a transmission signal of the determined output level to the external device.

Abstract: A communication system according to the present invention includes a transmitter for applying a transmission signal to a human body as an electric field, and a receiver for receiving the transmission signal by detecting the electric field via the human body. The receiver includes a reception electrode which faces the human body, a resonance circuit formed of a resonance inductor and a resonance capacitor, and a coupling capacitor for capacitively coupling the reception electrode and the resonance circuit.

Abstract: Provided is an electronic device for electric-field communication which is not easily affected by static electricity when electrostatically charged and is capable of maintaining sufficient performance. The electronic device for electric-field communication of the invention is an electronic device used as a transmitter 1 or a receiver 3 in a system of performing electric field communication through a human body 2, the electronic device has at least human body side electrodes 11 and 31 and outside electrodes 12 and 32, and impedance between the human body side electrodes 11 and 31 and the outside electrodes 12 and 32 is substantially the maximum at a frequency f0 used in the electric field communication.

Abstract: A communication device for communicating with an external device using a human body as a signal transmission path, includes an electric field strength measuring unit configured to measure a noise level from a detected received electric field strength at the time of no signal after the received electric field strength is detected by the communication device when a transmission signal to be output to the external device is absent, a transmission output determination unit configured to determine an output level of the transmission signal to be transmitted to the external device on the basis of the measured noise level, and an output execution unit configured to output a transmission signal of the determined output level to the external device.

Abstract: A communication system according to the present invention includes a transmitter for applying a transmission signal to a human body as an electric field, and a receiver for receiving the transmission signal by detecting the electric field via the human body. The receiver includes a reception electrode which faces the human body, a resonance circuit formed of a resonance inductor and a resonance capacitor, and a coupling capacitor for capacitively coupling the reception electrode and the resonance circuit.

Abstract: [Object] An object of the present invention is to provide a surface pressure distribution sensor capable of maintaining high reliability of lines in a configuration having a folded portion, precisely and stably detecting a surface pressure distribution, and being manufactured with a simple configuration and at low cost.

Abstract: The electrostatic capacity detecting sensor includes first electrodes which extend from column wiring lines, second electrodes which extend from row wiring lines and are formed on a layer different from that of the first electrodes, a third electrode which is electrically independent from the first electrode and the second electrode through an insulating film, a first electrostatic capacity region C1 formed between the first electrodes and the third electrode, and a second electrostatic capacity region C2 formed between the second electrodes and the third electrode.