Abstract: A sound conversion device includes a sound acquisition circuit that acquires the operation sound including abnormal sound as a sound pressure time signal that is a signal indicating a change in sound pressure intensity over time, a signal conversion circuit that converts a signal corresponding to the sound pressure time signal into a frequency characteristic indicating an intensity of sound pressure for each frequency including a human inaudible frequency band, obtains audible signal in which the frequency of the abnormal sound signal indicating the intensity of the sound pressure of the abnormal sound in the inaudible frequency band is changed to a human audible frequency band in the signal corresponding to the frequency characteristic, and output the audible signal as an audible sound signal that is a signal indicating a change in sound pressure intensity over time, and a speaker that generates sound based on the audible sound signal.

Abstract: A semiconductor device includes a pad formed on a surface of a substrate, a bonding wire for connecting the pad to an external circuit, and a resin layer covering at least a connection portion between the pad and the bonding wire and exposing at least a part of the substrate outside the pad.

Abstract: A battery monitoring system includes a monitoring unit that monitors a battery and a higher device that is provided with monitoring data obtained by monitoring of the battery by the monitoring unit and saves, by using a blockchain, at least part of specific information included in the monitoring data. The higher device includes a block generation unit that generates a new block including a hash value based on the at least part of the specific information and a last block linked at an end of the blockchain, and an external communication device configured to save, in a distributed manner in a plurality of external devices, the new block generated by the block generation unit. At least one of the monitoring unit or the higher device is provided with a data protection unit configured to ensure reliability of the monitoring data.

Abstract: A battery monitoring device monitors a battery. The battery monitoring device includes a deterioration detection unit that detects a physical quantity having a higher correlation with a capacity deterioration of the battery than a voltage and a current of the battery, and a capacity ratio estimation unit that estimates a capacity ratio of the battery based on the physical quantity.

Abstract: A battery monitoring device monitors a battery that is rechargeable and dischargeable. The battery monitoring device includes a factor monitoring unit that monitors a factor that leads to an abnormal heat generation phenomenon in which a temperature of the battery continues to rise unintentionally, and an abnormality detection unit that detects an abnormality in the battery. The abnormality detection unit reduces occurrence of the abnormal heat generation phenomenon in advance based on a monitoring result of the factor, and detects an abnormal state occurring in the battery at an initial stage of the occurrence of the abnormal heat generation phenomenon to implement a countermeasure against the abnormal heat generation phenomenon based on a detection result of the abnormal state.

Abstract: A battery monitoring device monitors a lithium precipitation amount in a lithium ion battery. The battery monitoring device includes a precipitation amount detection unit that has a short circuit for discharging the lithium ion battery by temporarily shorting both ends of the lithium ion battery. The lithium precipitation amount detection unit calculates an estimation value of the lithium precipitation amount based on a change in at least one of current or voltage when both the ends of the lithium ion battery is shorted by the short circuit. The battery monitoring device includes a temperature sensor that detects a battery temperature of the lithium ion battery.

Abstract: A failure sign detection system includes: a seal member being arranged on a slider of an LM guide to cover a gap between the slider and a rail. A microphone is arranged along a moving path of the slider and acquires an acoustic signal generated when the LM guide operates. A PC extracts a feature quantity, which is a level of characteristic frequency component appearing in the acquired acoustic signal. Based on the extracted feature quantity, a failure sign of the seal member is detected.

Abstract: An abnormal sound detection device includes: a sound acquisition unit that obtains operation sound of a target apparatus as a sound pressure time signal that is a time signal indicative of a time variation in intensity of sound pressure signals; a signal transform unit that transforms the sound pressure time signal to a frequency characteristic indicative of intensity of the sound pressure signals at respective frequencies; an abnormal sound emphasis unit that obtains, based on the frequency characteristic, an abnormal sound emphasized signal obtained by emphasizing intensity of a sound pressure signal at a frequency in association with the abnormal sound of the target apparatus; and an abnormal sound determination unit that determines whether the abnormal sound is included in the operation sound based on the abnormal sound emphasized signal.

Abstract: In a facility state monitoring system, a sensor node includes a sensor that outputs, as sensor data, data indicating the state of a facility as a monitoring target, a communication unit, and a power supply unit that supplies power to the sensor and the communication unit. The sensor node is commonly used by multiple monitoring targets. A receiver receives the sensor data transmitted from the communication unit. A state detection unit receives the sensor data received by the receiver, and learns, as learning data, normal states of the monitoring targets based on normal sensor data corresponding to normal operations of the monitoring targets. In response to the receiver receiving the sensor data transmitted from the sensor node after learning, the state detection unit compares states of the monitoring targets indicated by the sensor data with the learning data to detect an abnormality occurrence or symptom in the monitoring targets.

Abstract: A piezoelectric element includes a support and a vibration unit disposed on the support. The vibration unit includes a piezoelectric film and an electrode film connected to the piezoelectric film to extract charges generated by deformation of the piezoelectric film. The vibration unit has a support region supported on the support, and a vibration region connected to the support region and floating from the support. The vibration unit outputs a pressure detection signal based on the charges. The vibration region includes a plurality of slits extending from a support region side toward a center of the vibration region and is in a state of being supported at both ends with respect to the support region.

Abstract: A piezoelectric element includes a support member and a vibrating portion. The vibrating portion has a support region supported by the support member, and a plurality of vibration regions, one end portion side of which is supported by the support region, and the other end portion side of which is opposite to the one end portion is floating from the support member. A first vibration region in which a mass on the one end portion side is heavier than the mass on the other end portion side serves as a pressure detection section outputting a first detection signal based on the charge of the piezoelectric film. A second vibration region in which a mass on the other end portion side is heavier than the mass on one end portion side serves as an acceleration detection section outputting a second detection signal based on the charge of the piezoelectric film.

Abstract: A sensing section has a support member having a recess formed thereon, and a floating region disposed on the support member and formed by a recess. The sensing section has a slit through which the medium to be measured passes is formed in a portion exposed to the medium to be measured. A protective film made of a material having higher liquid repellency than that of the sensing section or more lyophilic than the sensing section is provided in the slit while maintaining a state in which the medium to be measured passes.

Abstract: A semiconductor device includes a pad formed on a surface of a substrate, a bonding wire for connecting the pad to an external circuit, and a resin layer covering at least a connection portion between the pad and the bonding wire and exposing at least a part of the substrate outside the pad.

Abstract: A piezoelectric element includes a plurality of vibration regions that are separated from each other by a slit, and the slit is formed to have a tapered portion that is tapered from a first surface of the vibration regions on an opposite side to a support to a second surface opposite to the first surface. An electrode film is positioned inside than the slit when being viewed from a normal direction orthogonal to the first surface, and an angle formed by a side surface of the tapered portion in the vibration region and a surface parallel to the first surface is in a range of 39 to 81 degrees.

Abstract: A semiconductor device includes a pad formed on a surface of a substrate, a bonding wire for connecting the pad to an external circuit, and a resin layer covering at least a connection portion between the pad and the bonding wire and exposing at least a part of the substrate outside the pad.

Abstract: A raindrop recognition device is configured to recognize a raindrop on a transparent panel. The raindrop recognition device includes a storage unit, an image input unit, and an image recognition unit. The storage unit stores a trained model that is a machine learning model trained using, as training data, images of the transparent panel with adhered raindrops and images of the transparent panel without adhered raindrops. Image data of the transparent panel taken by a camera is input to the input unit. The image recognition unit is configured to calculate a value representing a raindrop likeness of an object on the transparent panel in the image data by inputting the image data to the trained model. The trained model is trained by training data including images of the transparent panel with uniform background and images of the transparent panel with light source.

Abstract: A device includes: a chip; a support member; an adhesive layer disposed on the support member; and a wire electrically connected to the sensor chip on a side face of the sensor chip. Herein the adhesive layer includes a material exhibiting a dilatancy property in which a shear stress increases in a multi-dimensional function as a shear rate increases.

Abstract: A piezoelectric element includes: a vibration unit that outputs a pressure detection signal according to a pressure; a support member; and an improvement unit for improving a detection accuracy of the pressure detection signal. The vibration unit on the support member includes a piezoelectric film and an electrode film in a support region and vibration regions. Each vibration region has one end portion as a fixed end and an other end portion as a free end. A part of each vibration region on a one end portion side is a first region, and another part of each vibration region on an other end portion side is a second region. The electrode film is disposed in the first region.

Abstract: A semiconductor device includes a semiconductor element, an electronic component electrically connected to the semiconductor element, a connection member electrically connecting the electronic component to the semiconductor element, and a sealing resin portion having a first surface and a second surface opposite to the first surface and integrally holding the semiconductor element, the electronic component, and the connection member in a state where a semiconductor top surface as a surface of the semiconductor element and a component surface as a surface of the electronic component are exposed from the sealing resin portion on a side adjacent to the first surface.

Abstract: A server including a storage and a controller is communicably connected with a communication terminal. The storage is configured to store a processing data and an analysis data for each of a plurality of analysis targets. The processing data relates to a processing condition for forming a concavo-convex structure on a detection substrate to be used in performing a spectroscopic analysis. The analysis data is used to analyze the analysis target from a spectroscopic spectrum of the analysis target obtained by the spectroscopy analysis. Upon receiving a signal requesting the processing data, the controller is configured to select the processing data corresponding to the analysis target and transmit the selected processing data to the communication terminal. Upon receiving a spectroscopic spectrum, the controller is configured to use the analysis data to analyze the spectroscopic spectrum.