Abstract: An internal combustion engine includes an internal combustion engine body, a turbocharger connected to the internal combustion engine body, and an intake device connected to the internal combustion engine body. The intake device includes a first flow path that introduces fresh air into the turbocharger, and a second flow path through which blow-by gas flows from the internal combustion engine body. The second flow path extends adjacent to the first flow path and joins the first flow path at an end of the second flow path from obliquely rearward with respect to a direction in which the fresh air flows. An inner space is provided inside a partition wall that separates the first flow path and the second flow path adjacent to each other.

Abstract: A receiver including a plurality of wave receivers that receive signals arriving from a predetermined direction, a plurality of detection units that is connected to at least some of the plurality of wave receivers and detect arrival times of signals received by a connected wave receivers, and a plurality of adjustment units that adjust a deviation between arrival times of the plurality of wave receivers based on arrival times or arrival directions of the plurality of detected signals.

Abstract: A receiving system includes one or more subarrays, a phase rotation unit, an equalization unit, and a calculation unit. The subarray includes a set of a plurality of elements having a strong correlation in a Doppler frequency transition. The phase rotation unit performs, on a reception signal received by each element of the subarray, phase rotation processing of a phase rotation amount calculated for the subarray to which the element that has received the reception signal belongs. The equalization unit performs equalization processing on the reception signal subjected to the phase rotation processing. The calculation unit averages phase amounts of the signals received by the elements belonging to the subarray for each subarray, and calculates the phase rotation amount for performing phase compensation using the averaged phase amount.

Abstract: An imaging device includes: a plurality of pixels arrayed in a matrix, the plurality of pixels respectively including photoelectric converters that convert light into signal charge and charge accumulators that accumulate the signal charge; and a control circuit. The control circuit causes pixels included in the plurality of pixels and belonging to at least one row to sequentially perform, for each row or for two or more rows at a time, a reset operation for initializing potentials of the charge accumulators, before receiving a trigger signal for giving an instruction for starting exposure, and causes, after receiving the trigger signal, the plurality of pixels to simultaneously perform an exposure operation for accumulating the signal charge in the charge accumulators without causing the pixels included in the plurality of pixels and belonging to at least one row to perform the reset operation.

Abstract: A receiving system includes one or more subarrays, a phase rotation unit, an equalization unit, and a calculation unit. The subarray includes a set of a plurality of elements having a strong correlation in a Doppler frequency transition. The phase rotation unit performs, on a reception signal received by each element of the subarray, phase rotation processing of a phase rotation amount calculated for the subarray to which the element that has received the reception signal belongs. The equalization unit performs equalization processing on the reception signal subjected to the phase rotation processing. The calculation unit averages phase amounts of the signals received by the elements belonging to the subarray for each subarray, and calculates the phase rotation amount for performing phase compensation using the averaged phase amount.

Abstract: The synchronization device includes detecting units, a calculation unit, correcting units, a Doppler estimation unit, and offsetting units. The detecting units detect a position of the first sequence and a position of the second sequence in the received signal of each of the plurality of channels received by the plurality of reception units. The calculation unit calculates a time period required to receive a predetermined part of the received signal of each channel on the basis of the detected positions. The correcting unit performs a correcting process of correcting one or both of an outlier included in the position of the first sequence of each channel and an outlier included in the time period calculated for each channel. The Doppler estimation unit estimates Doppler shift by using the time period after the correcting process for each channel.

Abstract: An aspect of the present invention is a Doppler compensation system including: a sound wave receiving element that receives a sound wave transmitted by a transmitter; a ground-speed-related quantity acquisition unit that acquires a ground-speed-related quantity that is a physical quantity related to a vector representing a ground speed of a receiver including the sound wave receiving element based on an acceleration of the receiver; an extraction unit that extracts a sound wave including an estimation target sound wave that is a sound wave to be estimated from among sound waves received by the receiver; an arrival direction estimation unit that estimates an arrival direction of the estimation target sound wave based on the estimation target sound wave; a reception-direction-speed-related quantity estimation unit that estimates a quantity related to a speed in a reception direction that is a direction in which the estimation target sound wave viewed from the receiver arrives based on the ground-speed-related q

Abstract: According to an aspect of the present invention, there is provided a communication apparatus including: a synchronizer configured to perform synchronization processing according to a Doppler shift on a reception signal; and an equalizer configured to perform equalization processing on a reception signal on which the synchronization processing has been performed, in which the synchronizer includes a correlator configured to output a correlation between a reception signal and a known preamble sequence and a correlation between the reception signal and a known postamble sequence, a slide correlator configured to output a sliding correlation based on an output of the correlator, and a Doppler estimator configured to estimate a Doppler shift based on the sliding correlation of the slide correlator

Abstract: A receiver including a plurality of wave receivers that receive signals arriving from a predetermined direction, a plurality of detection units that is connected to at least some of the plurality of wave receivers and detect arrival times of signals received by a connected wave receivers, and a plurality of adjustment units that adjust a deviation between arrival times of the plurality of wave receivers based on arrival times or arrival directions of the plurality of detected signals.

Abstract: An aspect of the present invention is a Doppler compensation system including: a sound wave receiving element that receives a sound wave transmitted by a transmitter; a ground-speed-related quantity acquisition unit that acquires a ground-speed-related quantity that is a physical quantity related to a vector representing a ground speed of a receiver including the sound wave receiving element based on an acceleration of the receiver; an extraction unit that extracts a sound wave including an estimation target sound wave that is a sound wave to be estimated from among sound waves received by the receiver; an arrival direction estimation unit that estimates an arrival direction of the estimation target sound wave based on the estimation target sound wave; a reception-direction-speed-related quantity estimation unit that estimates a quantity related to a speed in a reception direction that is a direction in which the estimation target sound wave viewed from the receiver arrives based on the ground-speed-related q

Abstract: An information providing device includes an acquirer configured to acquire one or more pieces of orientation information indicating orientations of one or more users, a determiner configured to determine priority item information, which is item information to be preferentially provided, based on reference information in which a specific point and item information for each item of the specific point are associated with each other, and the one or more pieces of orientation information acquired by the acquirer, and a provider configured to allow an information output device associated with at least a part of the one or more users to output the priority item information.

Abstract: An embeddable and replenishable controlled drug release device which achieves drug delivery in which the drug release rate can be controlled is provided. The device can be replenished with a drug using a syringe and a needle when implanted in the body. The device has a capsule structure and includes (i) a controlled drug release part for controlled-release of a drug from the device, (ii) a drug storage part for keeping the drug and (iii) a drug introduction part for introducing the drug into the drug storage part. The controlled drug release part has a controlled-release face having a pore, and a hydrogel. The drug storage part is adjacent to the controlled drug release part, and releases the drug kept therein from the pore, and the drug is introduced into the drug storage part through the drug introduction part using a syringe and a needle.

Abstract: An imaging device includes: a plurality of pixels arrayed in a matrix, the plurality of pixels respectively including photoelectric converters that convert light into signal charge and charge accumulators that accumulate the signal charge; and a control circuit. The control circuit causes pixels included in the plurality of pixels and belonging to at least one row to sequentially perform, for each row or for two or more rows at a time, a reset operation for initializing potentials of the charge accumulators, before receiving a trigger signal for giving an instruction for starting exposure, and causes, after receiving the trigger signal, the plurality of pixels to simultaneously perform an exposure operation for accumulating the signal charge in the charge accumulators without causing the pixels included in the plurality of pixels and belonging to at least one row to perform the reset operation.

Abstract: An information providing device includes an acquirer configured to acquire one or more pieces of orientation information indicating orientations of one or more users, a determiner configured to determine priority item information, which is item information to be preferentially provided, based on reference information in which a specific point and item information for each item of the specific point are associated with each other, and the one or more pieces of orientation information acquired by the acquirer, and a provider configured to allow an information output device associated with at least a part of the one or more users to output the priority item information.

Abstract: A mobile body corrosion measuring apparatus having a corrosion sensor installed in at least one portion of a mobile body, the corrosion sensor measuring a corrosion state at the portion and outputting corrosion data; a vehicle (mobile body) running speed sensor installed in the mobile body, the running speed sensor measuring a running speed of the mobile body and outputting the running speed data; and a data collection unit that acquires the corrosion data from the corrosion sensor and the running speed data from the vehicle speed sensor at the same time and collects the corrosion data and the running speed data with the corrosion data and the running speed data associated with each other. Due to above structure, a corrosion state specific to the mobile body can be accurately measured.

Abstract: A mobile body corrosion measuring apparatus having a corrosion sensor installed in at least one portion of a mobile body, the corrosion sensor measuring a corrosion state at the portion and outputting corrosion data; a vehicle (mobile body) running speed sensor installed in the mobile body, the running speed sensor measuring a running speed of the mobile body and outputting the running speed data; and a data collection unit that acquires the corrosion data from the corrosion sensor and the running speed data from the vehicle speed sensor at the same time and collects the corrosion data and the running speed data with the corrosion data and the running speed data associated with each other. Due to above structure, a corrosion state specific to the mobile body can be accurately measured.

Abstract: A mobile body corrosion measuring apparatus having a corrosion sensor installed in at least one portion of a mobile body, the corrosion sensor measuring a corrosion state at the portion and outputting corrosion data; a vehicle (mobile body) running speed sensor installed in the mobile body, the running speed sensor measuring a running speed of the mobile body and outputting the running speed data; and a data collection unit that acquires the corrosion data from the corrosion sensor and the running speed data from the vehicle speed sensor at the same time and collects the corrosion data and the running speed data with the corrosion data and the running speed data associated with each other. Due to above structure, a corrosion state specific to the mobile body can be accurately measured.

Abstract: A corrosive environment sensor for measuring corrosive environment inside a space between a first member that is a conductor and a second member that is a conductor or insulator includes: a base having a surface which cam face the first member that is a conductor; and an electrode which is provided on the surface of the base and formed with a material different in ionization tendency from the first member and which faces at a distance the first member so as to form a galvanic coupling with the first member, and the corrosive environment sensor measures a galvanic current between the electrode and the first member.

Abstract: A mobile body corrosion measuring apparatus having a corrosion sensor installed in at least one portion of a mobile body, the corrosion sensor measuring a corrosion state at the portion and outputting corrosion data; a vehicle (mobile body) running speed sensor installed in the mobile body, the running speed sensor measuring a running speed of the mobile body and outputting the running speed data; and a data collection unit that acquires the corrosion data from the corrosion sensor and the running speed data from the vehicle speed sensor at the same time and collects the corrosion data and the running speed data with the corrosion data and the running speed data associated with each other. Due to above structure, a corrosion state specific to the mobile body can be accurately measured.

Abstract: A corrosive environment sensor for measuring corrosive environment inside a space between a first member that is a conductor and a second member that is a conductor or insulator includes: a base having a surface which cam face the first member that is a conductor; and an electrode which is provided on the surface of the base and formed with a material different in ionization tendency from the first member and which faces at a distance the first member so as to form a galvanic coupling with the first member, and the corrosive environment sensor measures a galvanic current between the electrode and the first member.