Abstract: A traffic monitoring apparatus includes a distributed acoustic sensor (DAS) for acquiring waterfall data, wherein the waterfall data includes a generation position of a vibration on a roadway adjacent to the DAS, a generation time of the vibration and an amplitude of the vibration. The traffic monitoring apparatus further includes a processor connected to the DAS. The processor is configured to receive the waterfall data from the DAS. The processor is further configured to preprocess the waterfall data. The processor is further configured to separate the preprocessed waterfall data into a plurality of patches, wherein a size of each patch of the plurality of patches is determined based on a parameter of the roadway. The processor is further configured to process each of the plurality of patches to estimate at least one traffic flow property of the roadway.

Abstract: In optical fiber sensors, sensor signals obtained differ according to the circumstances of installation, in locations being observed, of optical fibers serving as sensors, and it is difficult to perform accurate measurements; therefore, a sensor signal processing apparatus according to the present invention includes variation calculation means for receiving a sensor signal based on scattered light of a light pulse propagating through an optical fiber, and calculating a variation of the sensor signal from a reference value; and normalization processing means for normalizing the variation within a predetermined time, and calculating a normalized variation.

Abstract: An object of the present invention is to provide ultrafine fibrous cellulose capable of exhibiting excellent coating suitability when added to paint. The present invention relates to fibrous cellulose having a fiber width of 1,000 nm or less, in which, when the fibrous cellulose is dispersed in water to form a dispersion liquid having a viscosity of 2,500 mPa·s at 23° C.

Abstract: A fire detection system includes a transmitter including a light source that sends an optical signal and a receiver including a detector that detects the optical signal sent from the light source through a predetermined light propagation section, a signal processing unit that calculates at least one of a first gas concentration, a first smoke concentration, and a first temperature in the light propagation section based on the optical signal, a sensor that acquires at least one of a second gas concentration, a second smoke concentration, and a second temperature in the surroundings, and a determiner that determines whether there is a fire by comparing at least one of the first gas concentration, the first smoke concentration, and the first temperature with at least one of the second gas concentration, the second smoke concentration, and the second temperature in the surroundings.

Abstract: According to an embodiment, a semiconductor device includes a first semiconductor layer, a first switching element, a second switching element, and a conductor. The conductor is provided at least in part on the first semiconductor layer and located between the first switching element and the second switching element in a first direction.

Abstract: An optical fiber sensor irradiates light pulses into an optical fiber cable and analyses backscattered light thereof. The optical fiber sensor comprises: a determination part that determines a timing at which measurement of an environmental change starts and a timing at which measurement of the environmental change ends, based on the backscattered light; and an occurrence region estimation part that estimates an occurrence region of the environmental change in a longitudinal direction of the optical fiber cable, based on the timing at which measurement of the environmental change starts; the timing at which measurement of the environmental change ends; and a pulse width of the light pulses.

Abstract: A semiconductor device includes a semiconductor part including a first surface, a second surface, a first region provided between the first surface and the second surface, and a second region provided between the first surface and the second surface; a common electrode provided at the second surface; a first electrode provided on the first surface at the first region; a second electrode provided on the first surface at the second region and separated from the first electrode; a first control electrode provided in the first region; and a second control electrode provided in the second region. A first trench is provided in the common electrode.

Abstract: A traffic monitoring apparatus includes a distributed acoustic sensor (DAS) for acquiring waterfall data, wherein the waterfall data includes a generation position of a vibration on a roadway adjacent to the DAS, a generation time of the vibration and an amplitude of the vibration. The traffic monitoring apparatus further includes a processor connected to the DAS. The processor is configured to receive the waterfall data from the DAS. The processor is further configured to preprocess the waterfall data. The processor is further configured to separate the preprocessed waterfall data into a plurality of patches, wherein a size of each patch of the plurality of patches is determined based on a parameter of the roadway. The processor is further configured to process each of the plurality of patches to estimate at least one traffic flow property of the roadway.

Abstract: A sensing device including a sensitive part and a first sensor. The sensitive part includes a sealed internal space. At least part of the sensitive part is flexible and configured to be flexed, by a load applied on the sensitive part or by vibration of the sensitive part, so as to change an air pressure in the internal space. The first sensor borders the internal space or is at least partly housed in the internal space. The first sensor includes at least one sensing part configured to detect changes in the air pressure in the internal space.

Abstract: The fluid sensing device including a sensitive part, at least one obstacle, and a sensor. The sensitive part includes a flexible portion extending in a second direction substantially orthogonal to a first direction or fluid flow direction. The at least one obstacle extends in the second direction and is located in spaced relation to, and upstream of, the flexible portion. A collision of the fluid with the at least one obstacle generates vortexes in the fluid alternately on opposite sides in a third direction relative to the at least one obstacle, so that one or more of the vortexes collide with the flexible portion so as to distort at least part of the flexible portion. The third direction is substantially orthogonal to the first and second directions. The sensor includes at least one sensing part to detect the distortion of the flexible portion as a flow of the fluid.

Abstract: A light emitting device (10) includes a hole injection layer (121), a hole transport layer (122), and a light emitting layer (123). The hole transport layer (122) includes a first organic layer (122a), a second organic layer (122b), and a third organic layer (122c). The first organic layer (122a) is formed on the hole injection layer (121) and includes a first hole transporting material. The second organic layer (122b) is formed on the first organic layer (122a) and includes a second hole transporting material. The third organic layer (122c) is formed on the second organic layer (122b) and includes the second hole transporting material. The second organic layer (122b) is formed by using a coating method, and the third organic layer (122c) is formed by a vapor deposition method.

Abstract: A receiver (10) according to the present disclosure includes: a detection unit (11) including a sensor configured to receive a first optical signal of a wavelength included in an absorption band of water molecules and a second optical signal of a wavelength included in an absorption band of carbon dioxide molecules, a signal processing unit (12) configured to calculate a water vapor concentration and a carbon dioxide concentration from changes of intensities of the first and second optical signals, and a determination unit (13) configured to determine whether or not there is a fire that is caused by alcohol combustion based on the water vapor concentration and the carbon dioxide concentration.

Abstract: A fire detection system includes: a transmitter to output a first optical signal including a wavelength absorbed by a first gas generated in an early stage of a fire and a second optical signal including a wavelength absorbed by a second gas having an amount of generation being increased as the fire progresses; and a receiver including a detector to receive the first optical signal and the second optical signal propagating through a measuring target space, a first gas concentration calculator to calculate a concentration of the first gas, a second gas concentration calculator to calculate a concentration of the second gas, a smoke concentration calculator to calculate a smoke concentration, and a determination unit to determine progress of the fire, based on the concentration of the first gas, the concentration of the second gas, the smoke concentration, and an environmental temperature.

Abstract: An analysis method includes: obtaining n×m pieces of map data by repeating, m times, a map measurement in which n pieces of map data are obtained by scanning a specimen with a primary probe to detect electrons emitted from the specimen with an electron spectrometer, while measurement energy ranges of an analyzer are varied; and generating a spectral map in which a position on the specimen is associated with a spectrum based on the n×m pieces of map data, the measurement energy ranges of m times of the map measurement not overlapping each other.

Abstract: Provided is a cosmetic applicator having a coil spring at an applying portion thereof with which mascara may be easily applied to eyelashes. It is preferred that the coil spring not be exactly helicoidal, it being preferred that radial distance from the central axis to the outermost circumferential surface be made to vary as a function of angular position about the central axis. Variation in radial distance from the central axis to the outermost circumferential surface of the coil spring may occur in a repeating pattern of periodicity different from the pitch of the coil spring, causing coil spring shape element(s) to shift in angular position with each turn of the coil spring. Mascara may be held in spaces between adjacent coils, presence of bent portions which shift in the circumferential direction making it possible for the applying portion to easily retain mascara.

Abstract: In order to distinguish between a deterioration in a received optical signal strength resulting from optical axis deviation, and a deterioration in the received optical signal strength due to the effects of dust and the like, this detecting system is provided with: a transmitter provided with a light emitting unit for transmitting a first optical signal and a second optical signal having mutually different wavelengths and divergence angles; and a receiver provided with a detecting unit for receiving the first and second optical signals and outputting a first reception signal indicating the reception strength of the first optical signal, and a second reception signal indicating the reception strength of the second optical signal, and an identification unit for determining a state of propagation of the first and second optical signals on the basis of an amount of variation in the first and second reception signals.

Abstract: An optical fiber sensor irradiates light pulses into an optical fiber cable and analyses backscattered light thereof. The optical fiber sensor comprises: a determination part that determines a timing at which measurement of an environmental change starts and a timing at which measurement of the environmental change ends, based on the backscattered light; and an occurrence region estimation part that estimates an occurrence region of the environmental change in a longitudinal direction of the optical fiber cable, based on the timing at which measurement of the environmental change starts; the timing at which measurement of the environmental change ends; and a pulse width of the light pulses.

Abstract: A control system for use during a tunnel fire includes: measurement means 1001 to 100n installed in each of a plurality of management sections assigned in a tunnel, and for measuring one or both of a gas concentration and a smoke concentration in the management section using a light signal; and control means 102 for identifying a management section which includes a fire point, and controlling blowing means 101 capable of changing an air volume, based on one or both of the gas concentration and the smoke concentration measured by one or more measurement means installed in one or more management sections located downstream of the identified management section.

Abstract: A conveyance mechanism can convey bills to openings in two locations regarding at least one conveyance port of two conveyance ports of a determination unit. The conveyance mechanism can convey the bills between an acceptance unit and a plurality of cassettes through the determination unit. The conveyance mechanism can convey the bills from any cassette of the plurality of cassettes to other cassettes through the determination unit.

Abstract: A semiconductor device of an embodiment includes a first region including a first portion of a semiconductor layer having first and second planes, a first trench, a first gate electrode, a first source electrode and a drain electrode; a second region adjacent to the first region in a first direction and including a second portion of the semiconductor layer, a second trench, a second gate electrode, a second source electrode on the first plane side, and the drain electrode; a third region adjacent to the first region in a second direction crossing the first direction and including a third portion of the semiconductor layer, a third trench, a third gate electrode, a third source electrode on the first plane side, and the drain electrode; a first gate electrode pad connected to the first gate electrode; and a second gate electrode pad connected to the second and third gate electrodes.