Abstract: It is an object to provide a trimmer that can trim a fore-edge portion of a bound material except a cover and that can be excellent in productivity and cost. A cover has flap portions adjacent to the fore-edge portion of the bound material, a trimmer includes: a trim cutter that trims the bound material; a blade receiving portion that receives an edge of the trim cutter; a base portion and a pressure portion that nip and position the bound material; and a pair of guide portions arranged for movement in a direction close to or away from the bound material, wherein the guide portions are inserted between the book block and the cover so as to peel the cover together with the flap portions up when the fore-edge portion of the bound material is trimmed by the trim cutter.

Abstract: Provided is a separation and recovery apparatus for continuously separating and recovering, from a resin mixture containing a resin containing a hydrolyzable polymer and a resin containing a nonhydrolyzable polymer, a hydrolytic component a of the hydrolyzable polymer A and the nonhydrolyzable polymer B, the apparatus including: a crushing unit that crushes the resin mixture a melting/discharging unit that melts a crushed product obtained by the crushing unit to form a fluid and discharges the fluid at a high pressure; and a hydrothermal reaction treatment unit that continuously subjects the fluid discharged from the melting/discharging unit to a hydrothermal reaction treatment, wherein, in the melting/discharging unit, the hydrolyzable polymer A is hydrolyzed, and the hydrolytic component a thereof is dissolved and transferred into water permeating a sintered alloy diaphragm, thereby separating the nonhydrolyzable polymer B.

Abstract: According to an embodiment, a diagnostic apparatus includes a sound-emitting unit, at least one measurement unit, and a processor. The sound-emitting unit includes a plurality of speakers arranged at equal angular intervals on a circumference of a circle, and is configured to emit a first vibration sound to a target by using the speakers. The at least one measurement unit is arranged on a central axis of the circle, and is configured to measure a vibration of the target generated in response to the first vibration sound, or a second vibration sound radiated from the target due to the vibration. The processor is configured to diagnose the target based on an output from the at least one measurement unit.

Abstract: According to one embodiment, a noise reduction system includes a microphone, a loudspeaker, and processing circuitry. The processing circuitry switches an operating mode between a control mode and a path characteristic measurement mode, includes a control filter that generates a control signal that causes the loudspeaker to output a control sound for reducing noise, based on a detection signal obtained by detecting a first sound including the noise with the microphone, measures a path characteristic including an acoustic characteristic between the loudspeaker and the microphone, and generates the control filter by using a measurement result of the path characteristic and a noise feature signal including a feature of the noise.

Abstract: According to one embodiment, a sound absorption device includes: a first plate having a plurality of first holes; a second plate facing the first plate in a first direction; a first frame connecting the first plate and the second plate; and a third plate supported by the first frame so as to vibrate in the first direction within the first frame. A first space is formed in the first frame between the first plate and the third plate. A second space is formed in the first frame between the second plate and the third plate. The third plate includes a first portion and a second portion, the second portion having a higher vibration speed than the first portion.

Abstract: A connector includes a housing having an elastic locking piece and a terminal hole defining a terminal receptacle compartment extending in an insertion direction; and a terminal member to be inserted into the terminal receptacle compartment from rear to front along the insertion direction, wherein the terminal member has a first opening configured to be engaged with the locking piece when the connector is assembled, and a second opening defined on the front side of the first opening, and wherein a projection is formed on the terminal member and prevents the locking piece from being engaged with the second opening when the terminal member is inserted or removed, which prevents a user from wrongly perceiving that the insertion of the terminal member is completed despite not having achieved engagement between the locking piece and the first opening.

Abstract: A connector includes a housing defining a terminal holding chamber extending in a prescribed direction, a terminal member inserted to the terminal holding chamber along a prescribed insertion direction, and a retainer attached to the housing by being inserted to the housing along a direction perpendicular to the insertion direction so as to engage with a locking portion of the terminal member and thereby prevent the terminal member from coming off, wherein the terminal member is a bent article made of a plate material including a protruding portion having a top portion on one side in the direction along which the retainer is inserted to the housing, and the protruding portion has an end surface facing in the insertion direction of the terminal member and constituting the locking portion.

Abstract: In general, according to one embodiment, a sound inspection apparatus includes: at least three microphones, a removing unit, and an estimation unit; the removing unit calculates an impulse response based on a sound pressure of a radiation sound collected via reference microphone and a first microphone, calculate an impulse response based on the sound pressure of the radiation sound collected via the reference microphone and a second microphone, and remove a component corresponding to the vibration sound from the calculated impulse response; the intensity calculation unit calculates an intensity of the radiation sound based on the impulse response from which the vibration sound is removed; the estimation unit estimates, based on the calculated intensity, a site where an abnormality in the inspection target object has occurred.

Abstract: According to one embodiment, an inspection apparatus includes a vibration sensor, a microphone, and a processor. The vibration sensor detects a vibration of an inspection target object to which the vibration is excited. The microphone arranged near the inspection target object and collects a radiated sound from the inspection target object. The processor calculates an impulse response between the vibration sensor and the microphone. The processor denoises an unnecessary component from the impulse response. The processor converts the impulse response into a frequency characteristic. The processor calculates acoustic energy between the vibration sensor and the microphone based on the frequency characteristic. The processor determine the presence/absence of an abnormal state of the inspection target object.

Abstract: According to one embodiment, an acoustic diagnostic apparatus includes a speaker, a sound receiving unit, a positioning mechanism, first through third calculation units, and an evaluation unit. The speaker emits a sound wave to a diagnosis target. The sound receiving unit includes two microphones to receive a sound wave from the target. The positioning mechanism positions the sound receiving unit. The first calculation unit calculates impulse responses of the microphones. The second calculation unit calculates, based on the impulse responses, an intensity value on a measurement axis passing through the microphones. The third calculation unit calculates a sound absorption coefficient from the intensity value. The evaluation unit diagnoses the target by evaluating an acoustic characteristic based on a change in the sound absorption coefficient.

Abstract: According to one embodiment, an acoustic diagnostic apparatus includes an acoustic vibration unit, an acoustic vibration signal generation unit, a sound receiving unit, an impulse response calculation unit, an analysis unit, and a diagnostic unit. The vibration unit applies an acoustic vibration to a diagnosis target. The signal generation unit continuously inputs an acoustic vibration signal to the vibration unit. The receiving unit receives an evaluation target sound from the target, and output a sound reception signal. The calculation unit calculates an impulse response based on the sound reception signal. The analysis unit calculates an acoustic characteristic using the impulse response, and analyzes a state of the target. The diagnostic unit diagnoses the state of the target based on an analysis result of the analysis unit.

Abstract: According to an embodiment, a diagnostic apparatus includes a sound-emitting unit, at least one measurement unit, and a processor. The sound-emitting unit includes a plurality of speakers arranged at equal angular intervals on a circumference of a circle, and is configured to emit a first vibration sound to a target by using the speakers. The at least one measurement unit is arranged on a central axis of the circle, and is configured to measure a vibration of the target generated in response to the first vibration sound, or a second vibration sound radiated from the target due to the vibration. The processor is configured to diagnose the target based on an output from the at least one measurement unit.

Abstract: Provided is a cutting apparatus including: a rotary table; a pressing unit; a cutting unit; a drive unit that rotates and moves the rotary table; a transport unit that transports a cut book in a transport direction to a stacking position; and a control unit that controls the drive unit and the transport unit, and the control unit performs, in a switchable manner, a first transport mode to transport a book having edges cut by the cutting unit in the transport direction in a state where the spine was rotated to be arranged in a predetermined direction about a rotation center of the rotary table and a second transport mode to transport a book having edges cut by the cutting unit in the transport direction in a state where the spine was rotated to be arranged in a direction different from the predetermined direction about the rotation center.

Abstract: According to one embodiment, a diagnostic method includes changing a position of a mechanical structure to be diagnosed with a drive unit based on an acceleration command, the acceleration command being generated based on a log swept sine (LOGSS) signal, calculating an impulse response based on the acceleration command and measured acceleration of the mechanical structure, the measured acceleration being measured by an accelerometer, analyzing at least one of a linear characteristic and a nonlinear characteristic relating to the mechanical structure based on the impulse response, and diagnosing the mechanical structure based on the at least one of the linear characteristic and the nonlinear characteristic relating to the mechanical structure.

Abstract: An online conversation management apparatus includes a processor. The processor acquires, across a network, reproduction environment information from at least one terminal that reproduces a sound image via a reproduction device. The reproduction environment information is information of a sound reproduction environment of the reproduction device. The processor acquires azimuth information. The azimuth information is information of a localization direction of the sound image with respect to a user of the terminal. The processor performs control for reproducing a sound image of each terminal based on the reproduction environment information and the azimuth information.

Abstract: An acoustic inspection apparatus includes a vibration sound source, a microphone group, and a processor. The vibration sound source emits a vibration sound to an inspection target object. The microphone group includes a first microphone arranged near the inspection target object and a second microphone arranged to have an interval with respect to the first microphone. The processor calculates a first impulse response between the first and second microphones, denoises a component corresponding to the vibration sound from the first impulse response, converts, into a frequency characteristic, a second impulse response obtained from the first impulse response, calculates acoustic energy between the first and second microphones based on the frequency characteristic, and determines an abnormal state of the inspection target object based on the acoustic energy.

Abstract: A mobile body according to the disclosure has an omni wheel in which a pair of wheels is arranged parallel to each other so that phases of the wheels are shifted from each other. Each of the wheels having a plurality of rollers in a circumferential direction. The rigidity of a center portion of each of the rollers in an axis direction is higher than rigidity of an end portion of the roller in the axis direction.

Abstract: To allow an electronic control unit to be replaced with good work efficiency and prevent foreign matter from entering a casing during maintenance work, the connector connection structure includes an internal connector positioned inside a casing, an external connector positioned outside the casing and an electronic control unit electrically connected between the external connector and the electronic control unit wherein the electronic control unit includes a main part that opposes an opening formed in the casing when the internal connector is connected thereto, and a first conductive connection portion and a second conductive connection portion provided on either end of the main part and configured to be connected to the internal connector and the external connector respectively, and a first seal member is provided on an outer periphery of the main part, the first seal member closing the opening when the external connector is not connected to the electronic control unit and the internal connector is connected

Abstract: To prevent electric conductance impairment of an electric connecting part between an electronic control unit and an internal connector in a reliable manner even when the electric connecting part between the electronic control unit and the internal connector is placed in an environment where oil mist or electroconductive substances are present, the electronic control unit includes a main part, a first conductive connection portion provided at a lower end of the main part and configured to be electrically connected to the internal connector, and an outer shell member extending downward so as to surround the first conductive connection portion, and to be open only at a lower end thereof, and wherein the internal connector is provided with a housing including a part defining an annular recess opened upward on an outer periphery thereof, the lower end of the outer shell member being received in the annular recess when the electronic control unit is connected to the internal connector.

Abstract: According to one embodiment, a sensor module includes a sensor and a diagnosis circuit. The sensor includes piezoelectric transducers and switches. The piezoelectric transducers have different resonance frequencies. The switches are provided to correspond to the piezoelectric transducers, respectively. Each of the switches outputs an output signal corresponding to a voltage generated by an inverse piezoelectric effect of a corresponding piezoelectric transducer of the piezoelectric transducers. The diagnosis circuit diagnoses, based on a difference in pattern of the output signal, whether vibration has newly occurred in the sensor, and switch an output destination of the output signal of the sensor according to a result of the diagnosis.