Abstract: A fiber assembly-forming method includes providing a water-soluble resin to a first feedstock containing fibers, forming disintegrated matter by disintegrating the first feedstock provided with the water-soluble resin, depositing the disintegrated matter, and providing water to the deposited disintegrated matter.

Abstract: An object detection device comprises a transmission sound pressure adjustment unit adjusting a sound pressure of the search wave so that the sound pressure of the search wave or a reflected wave based on the search wave is within a predetermined transmission target range. The transmission unit transmits, as the search wave, a first search wave with a first frequency changing with time at a first rate and a second search wave with a second frequency changing with time at a second rate that is different from the first rate. The transmission sound pressure adjustment unit is configured to adjust the sound pressure of each of the first and second search waves so that the sound pressure of the corresponding one of the first and second search waves or the reflected wave based on the corresponding one of the first and second search waves is within the transmission target range.

Abstract: An ink set includes a reaction liquid containing coagulant; a first ink containing a color material; and a second ink containing a color material. The ink set is used for recording on a non-absorptive recording medium or a low-absorptive recording medium and for imparting the reaction liquid, the first ink, and the second ink to the recording medium in a superimposed manner in this order.

Abstract: An ink jet ink composition includes: an acetoacetanilide-based monoazo pigment coated with a water-insoluble polymer; 1-(2-hydroxyethyl)-2-pyrrolidone; and water.

Abstract: An object detection apparatus detects an object in a vicinity of a moving body in a state of being mounted to the moving body. The object detection apparatus measures a reverberation frequency that is a frequency of a reverberation signal that is generated in a transceiver that externally transmits a transmission wave that is an ultrasonic wave and receives a reception wave that includes a reflected wave of the transmission wave from the object. object detection apparatus detects the object based on the reception wave. The object detection apparatus sets at least one of a transmission characteristic and a reception characteristic in the transceiver. The object detection apparatus sets at least one of transmission characteristics of the transmission wave and/or sets circuit characteristics in the transceiver. The object detection apparatus reduces at least one of the transmission characteristic and the reception characteristic during measurement of the reverberation frequency.

Abstract: An object detection apparatus detects an object in a vicinity of a moving body in a state of being mounted to the moving body. The object detection apparatus measures a reverberation frequency that is a frequency of a reverberation signal that is generated in a transceiver that externally transmits a transmission wave that is an ultrasonic wave and receives a reception wave that includes a reflected wave of the transmission wave from the object. The object detection apparatus detects a specific segment that is an occurrence segment in which occurrence of beat that is attributed to a plurality of reverberation frequency components is confirmed in the reverberation signal, or a non-occurrence segment in which the occurrence of beat does not significantly occur. The object detection apparatus sets a measurement segment in which the reverberation frequency is measured in the non-occurrence segment based on a detection result of the specific segment.

Abstract: An aqueous ink jet ink composition contains a color material, water, a polyhydric alcohol having a standard boiling point of 270.0° C. or more, and 1-(2-hydroxyethyl)-2-pyrrolidone. The mass ratio of the content of the polyhydric alcohol to that of 1-(2-hydroxyethyl)-2-pyrrolidone is 3.1 or more and 7.0 or less.

Abstract: An aqueous ink-jet ink composition according to the present disclosure contains pigment, water, resin particles, 1-(2-hydroxyethyl)-2-pyrrolidone, and trimethylglycine. The mass-based content of the resin particles is lower than the mass-based content of the pigment.

Abstract: A method of forming a fiber body includes defibrating a raw material in air to provide fibers; depositing the fibers in air onto a belt; applying pressure to the deposited fibers to form a pressurized web; and applying a liquid containing an additive to two surfaces of the pressurized web.

Abstract: In a wireless communication system including a plurality of wireless base stations, the wireless base stations other than the uppermost wireless base station among the plurality of wireless base stations each determine a frame timing on the basis of synchronization timing information received from the upper wireless base station, and the wireless base stations other than the lowermost wireless base station among the plurality of wireless base stations each notify the lower wireless base station of the synchronization timing information.

Abstract: A fiber body forming method includes a step of preparing a web which contains fibers and which has a bulk density of 0.09 g/cm3 or more; and a step of applying a liquid containing a binder which binds the fibers together to the web.

Abstract: A fibrous body manufacturing apparatus for manufacturing a fibrous body includes an accumulating section that accumulates a sheet-shaped fibrous material containing a plurality of fibers, a droplet discharging section that discharges, as droplets, a binding material that binds the fibers of the accumulated fibrous material to each other, and a control section which segments a region in which the liquid is dischargeable onto the fibrous material into a plurality of segments, generates discharge data in which discharge information on the liquid is set for every one of the plurality of segments, and causes the liquid to be discharged from the droplet discharging section toward the fibrous material based on the discharge data.

Abstract: An object detection apparatus detects an object in a vicinity of a moving body to which it is mounted. In the object detection apparatus, first drive signal and second drive signals for driving a transmitting unit are generated and outputted to the transmitting unit. The first drive signal corresponds to a first transmission wave included in a plurality of transmission waves that are continuously transmitted from a start to an end of a transmission process of the transmission wave, and respectively encoded based on waveform patterns. The second drive signal corresponds to a second transmission wave included in the plurality of transmission waves and transmitted after the first transmission wave. Reception determination regarding the reflected wave is performed based on a frequency signal, corresponding to a waveform pattern of the reception signal, and a reference signal that corresponds to a waveform pattern of the first drive signal.

Abstract: A fiber assembly-forming method includes forming a web containing a plurality of fibers charged to a first polarity on a transport belt charged to a second polarity opposite to the first polarity and applying a liquid to the web formed on the transport belt from a nozzle of a liquid coater. The liquid contains a binder binding the fibers.

Abstract: A transmission/reception control device is configured to control transmission and reception in an ultrasonic sensor. The ultrasonic sensor includes an ultrasonic transducer. The ultrasonic transducer is configured to transmit a probe wave as an ultrasonic wave and receive a reception wave. The reception wave includes a reflected wave of the probe wave. The transmission/reception control device includes a transmission frequency setting unit, a reception signal processing unit, and an object detection unit. The transmission frequency setting unit sets a frequency of the probe wave to a transmission frequency different from a resonance frequency of the ultrasonic transducer. The reception signal processing unit processes a reception result of the reception wave based on the probe wave transmitted with the transmission frequency. The object detection unit detects the object based on a result of processing by the reception signal processing unit.

Abstract: An ultrasonic sensor (10), that transmits probe waves which are ultrasonic waves and acquires detection waves including reflected waves which have been reflected from surrounding objects, includes a transmitter/receiver (12) that transmits the probe waves and acquires the detection waves, a detection wave processing section (13) that executes processing for passing a predetermined frequency band which includes the frequency of the probe waves, an amplitude measurement section (14) which measures the amplitude of the detection waves, and a judgement section (17) which judges whether there is adherence of foreign matter on the transmitter/receiver, based on a relationship between a time axis and values of the amplitude of the detection waves during a reverberation interval following the termination of transmitting the probe waves.

Abstract: The wireless relay device according to the present disclosure includes: a reception unit to receive train control information; an information classification unit to classify the train control information into first control information requiring immediacy and second control information not requiring immediacy; a message generation unit to generate one message from the first control information contained in a piece of the train control information and to generate one message from a plurality of pieces of the second control information contained in a plurality of pieces of the train control information; and a transmission unit to transmit the messages generated by the message generation unit. With this configuration, it is possible to reduce the number of the data transfer messages which does not require immediacy while the instantaneous communication for the control information which requires immediacy is maintained.

Abstract: An object detecting apparatus is configured to detect a surrounding object. The object detecting apparatus is provided with a driving signal generation unit provided to generate a driving signal that drives a transmitter unit including a transmitter emitting transmission waves externally; and a control unit provided to control an output of the driving signal transmitted to the transmitter unit from the driving signal generation unit. The driving signal generation unit is configured to generate the driving signal of which the frequency changes stepwise.

Abstract: Provided are: a sending/receiving unit to receive data frames sent from another wireless station and receivable, the receivable data frames including a first data frame that is a relay target; an interference time storage unit to store an interference time that is a time from when the sending/receiving unit starts receiving each of the data frames to when the sending/receiving unit terminates receiving the data frame; a waiting time determination unit to determine a waiting time on a basis of the interference time; a frame generation unit to generate a second data frame by changing a destination of the first data frame to a data aggregation station that aggregates the data frames or to a wireless station that serves as a relay destination; and a transmission control unit to wait for the waiting time and cause the sending/receiving unit to send the second data frame.

Abstract: An apparatus includes a drive signal generator that selectively outputs, as a drive signal, one of a first drive signal and a second drive signal. The first drive signal has a first temporal frequency change within a first frequency band that is defined from a first lowest frequency to a first highest frequency inclusive. The second drive signal has a second temporal frequency change within a second frequency band that is defined from a second lowest frequency to a second highest frequency inclusive. Each of the first and second frequency bands has a corresponding one of first and second intermediate frequencies that is defined as one of a center frequency and an average frequency of the corresponding one of the first and second frequency bands. The second intermediate frequency is different from the first intermediate frequency. The second frequency band is partially overlapped with the first frequency band.